Chemical Engineer Salary Australia
Comprehensive guide to Australian Chemical Engineer salaries: petrochemical and LNG packages, process engineering careers, APS and government science pay, industry sectors, experience bands, qualifications and progression.
Last updated: 27 September 2026 · ANZSCO 233111
Typical APS professional band
$77,865 – $118,780
Senior APS / EL band
$120,750 – $143,200
APS employer super
15.4%
Employed nationally (JSA)
7,000
Figures are base salary bands unless labelled otherwise. See methodology.
Salary snapshot
| Measure | What it shows |
|---|---|
| Federal APS base (illustrative) | Many professional engineers sit APS 4–EL 2 ($77,865 – $182,500) before allowances. |
| Broader labour-market indicator | Chemical and Materials Engineers Unit Group (ANZSCO 2331 — includes Chemical Engineers 233111 and Materials Engineers 233112; not Chemical Engineer alone): $2,420/week full-time median (~$125,840/year) — not a Chemical Engineer–only median. |
| Private SG reference | 12% Super Guarantee on ordinary time earnings for most private employers (2025-26). |
Salary methodology
APS pay data is based on official enterprise agreement schedules published in src/data/federal/aps-levels.ts, reflecting current financial year scales and 15.4% employer superannuation.
Private sector market indicators, energy sector uplifts, and consulting packages are compiled from published industry enterprise agreements, Engineers Australia remuneration surveys, and verified resources disclosures.
Labour market totals, gender participation, and geographic distributions reflect Australian Bureau of Statistics (ABS) 2021 Census data and Jobs and Skills Australia (JSA) ANZSCO 233111 profile metrics.
Super Guarantee minimum for private employers is calculated at the statutory rate of 12% for the 2025–26 financial year per src/data/rates/ato-super-guarantee.ts.
Australian labour-market context
Jobs and Skills Australia classifies Chemical Engineers under ANZSCO 233111, with approximately 7,000 professionals employed across Australia (2021 Census). The parent Chemical and Materials Engineers unit group (ANZSCO 2331) reports median full-time weekly earnings of approximately $2,420 ($125,840 annualized base equivalent) and $63 per hour according to ABS labour market data. Because official national statistics aggregate across capital-city consulting offices, industrial manufacturing facilities, regional LNG liquefaction plants, and federal science agencies, reported medians must be evaluated alongside industry-specific operational hazards, Major Hazard Facility (MHF) responsibilities, and site roster structures.
Source: Jobs and Skills Australia — Chemical Engineer (ANZSCO 233111)
Chemical Engineer salary in the Australian Government
There is no single universal federal chemical engineer salary. Commonwealth employers pay by classification (APS or agency technical stream), enterprise agreement and role. Engineers appear across Defence, infrastructure and transport portfolios, research agencies and regulatory bodies — each with different allowance structures.
Base pay follows the advertised classification. APS employees receive 15.4% employer superannuation. Locality, shift, field and clearance-related allowances can change total cash without changing the headline APS level.
Return to the Federal Engineering Hub for the full agency directory. If the vacancy is classified APS 6, read the APS 6 salary guide for pay points and take-home context.
APS classifications (government engineering context)
These are national APS base salary bands (2025–26). They do not automatically apply to every engineer — your offer states the classification. Cross-check APS 6 and EL 1 when those levels appear on the ad.
| Level | Base salary | Super (15.4%) | Base + super | Source |
|---|---|---|---|---|
| APS 4 | $77,865 – $86,500 | $11,991+ (on min) | $89,856+ (on min base) | APSC 2025–26 |
| APS 5 | $88,085 – $97,400 | $13,565+ (on min) | $101,650+ (on min base) | APSC 2025–26 |
| APS 6 | $100,190 – $118,780 | $15,429+ (on min) | $115,619+ (on min base) | APSC 2025–26 |
| EL 1 | $120,750 – $143,200 | $18,596+ (on min) | $139,346+ (on min base) | APSC 2025–26 |
| EL 2 | $150,800 – $182,500 | $23,223+ (on min) | $174,023+ (on min base) | APSC 2025–26 |
Salary calculator (base + super + take-home)
Annual base (mid)
$109,485
Employer super (15.4%)
$16,861
Fortnightly take-home
$3,187
Salary by experience
| Stage | Experience | Federal context | Private market |
|---|---|---|---|
| Graduate / Entry | 0–2 years | APS Graduate or APS 4 to APS 5 entry ($77,865–$97,400 base, 2025–26) in chemical assessment, science research, or energy policy. | Graduate process engineers in manufacturing or water earn $74,000–$90,000 base; graduates joining LNG or resources majors (Woodside, Chevron, Orica) earn $90,000–$115,000 base. |
| Early Career | 3–5 years | Professional Chemical Engineer at APS 5 to APS 6 level ($88,140–$113,859 base plus 15.4% superannuation). | Plant process engineers or consulting engineers earn $95,000–$130,000 base; site engineers on LNG or mining operations earn $125,000–$155,000. |
| Mid-Career | 6–10 years | Senior Process Specialist or Chemical Regulatory Lead at APS 6 to EL 1 level ($103,450–$144,300 base). | Senior Chemical Engineer, Senior Process Lead, or HAZOP Facilitator commands $135,000–$180,000 base; energy sector total packages reach $165,000–$225,000. |
| Senior / Principal | 10–15 years | Principal Process Advisor, Facility Assessor, or Science Program Director at EL 1 to EL 2 level ($133,969–$182,500 base). | Principal Chemical Engineer, Chief Process Engineer, or Study Manager commands $175,000–$245,000 base; corporate head-office packages in Perth or Brisbane reach $210,000–$300,000. |
| Management / Executive | 15+ years | Branch Head or Senior Executive Service (SES Band 1–2) in energy transition, offshore safety regulation, or national science governance ($230,000–$350,000+ total rem). | Plant Operations Manager, Refinery General Manager, or Vice President of Process Engineering packages range from $250,000 to over $400,000 with substantial STI bonuses and equity. |
Graduate Chemical Engineer salary
Graduate chemical engineers in Australia step into diverse industrial pathways spanning energy, mining hydrometallurgy, manufacturing, water treatment, and public science administration. Structured graduate engineering programs are operated by multinational energy producers (Woodside, Chevron, Shell, ExxonMobil), chemical and explosives leaders (Orica, Incitec Pivot, Qenos), mining giants (BHP, Rio Tinto), and engineering consultancies (Worley, Hatch, KBR).
Graduate starting salaries vary considerably by sector. In standard manufacturing, water utilities, and consulting offices, graduate chemical engineers earn between $74,000 and $90,000 base salary plus 12% superannuation. In contrast, graduates accepted into Tier-1 oil, gas, or mining operator programs—often incorporating site rotations to Karratha, Gladstone, or the Pilbara—receive starting base salaries of $90,000 to $115,000, with total packages reaching $110,000–$135,000 when site allowances are included.
In the federal public service, chemical engineering graduates enter via the Australian Government Graduate Program (AGGP) into science, technical, and regulatory streams at ANSTO, CSIRO, NOPSEMA, DISR, or DCCEEW. Starting salaries range from APS 3 ($67,875) to APS 5 ($88,140) depending on honours and post-graduate degrees, backed by 15.4% employer superannuation, comprehensive graduate development curricula, and structured promotion ladders.
During their initial years, graduate chemical engineers focus on building foundational process competence: verifying field piping against P&IDs, conducting relief valve orifice sizing, participating as scribes in HAZOP risk workshops, calibrating flow meters, and running Aspen HYSYS simulations to resolve production bottlenecks.
Senior Chemical Engineer salary
Senior Chemical Engineers (typically 8 to 12+ years experience) hold vital operational and safety responsibilities across Australian industrial infrastructure. At this seniority, engineers frequently serve as Lead Process Engineers, Plant Technical Superintendents, Operations Managers, or Principal Safety Consultants, holding Chartered status (CPEng) and state registration (RPEQ in Queensland).
In the commercial energy and petrochemical sectors, Senior Chemical Engineers command base salaries of $150,000 to $200,000, while Principal Engineers and Technical Authorities earn from $185,000 to $250,000+ base. Total packages in major energy firms regularly range from $210,000 to $320,000 when incorporating annual short-term incentive (STI) performance bonuses (15% to 25%), remote site uplifts, and company superannuation.
Senior process engineers carry immense commercial and safety accountability: they serve as design verifiers for high-pressure cryogenic gas trains, lead quantitative risk assessments (QRA) for Major Hazard Facilities, approve catalyst change-outs, and lead turnaround shutdowns costing millions of dollars per day in lost production.
Within Commonwealth government agencies, senior chemical engineers align with Executive Level 1 (EL 1) and Executive Level 2 (EL 2) classifications, earning $121,500 to $182,500 base plus 15.4% superannuation. Federal roles emphasize statutory compliance auditing, assessment of national major hazard safety cases, chemical weapon non-proliferation verification, and stewardship of national radioactive waste repositories.
Employment by state and territory
Shares are from JSA employment distribution. They show where jobs are located — not salary levels in each state.
| State | Employment share | Major industries | Federal opportunities |
|---|---|---|---|
| WA | 30.5% | Offshore and onshore LNG (Karratha, Gorgon, Wheatstone), lithium hydroxide refineries (Kwinana, Kemerton), nickel/cobalt, alumina | NOPSEMA offshore safety assessment, CSIRO Energy Centre, DISR Critical Minerals Office, Defence naval support |
| VIC | 26.2% | Petrochemical manufacturing (Altona), pharmaceuticals and bioprocessing (CSL), food processing, global engineering consultancies | CSIRO Clayton advanced materials laboratories, national standards bodies, regulatory compliance branches |
| NSW | 20.4% | Industrial chemicals (Orica Kooragang Island, Botany), water treatment desalination, pharmaceuticals, corporate consulting | ANSTO Lucas Heights nuclear research reactor, AICIS industrial chemicals assessment, DCCEEW environmental review |
| QLD | 15.1% | Curtis Island LNG trains (Gladstone), bauxite refining (QAL, Yarwun), ammonia/fertilizers (Gibson Island), mineral processing (Mt Isa) | Great Barrier Reef Marine Park catchment chemical standards, Northern Australia hydrogen hubs |
| SA | 4.8% | Olympic Dam hydrometallurgical extraction, Santos Port Bonython hydrocarbon fractionation, Whyalla industrial chemicals | Australian Radiation Protection and Nuclear Safety Agency (ARPANSA), DSTG Edinburgh energetics research |
| TAS | 1.4% | Nyrstar Hobart electrolytic zinc smelter, Bell Bay ferroalloys, paper and pulp processing, green hydrogen proposals | Antarctic atmospheric and environmental chemical monitoring, maritime regulatory compliance |
| ACT | 0.9% | Public administration, national science policy, national chemicals and energy regulatory governance | DISR headquarters, DCCEEW chemicals policy, Clean Energy Regulator, national energy transition directorates |
| NT | 0.7% | Darwin LNG export facilities (Ichthys, DLNG), Middle Arm sustainable industrial precinct, uranium legacy monitoring | Supervising Scientist Branch, Northern Australia Infrastructure Facility energy project evaluation |
Industries employing Chemical Engineers
- Energy and petrochemicals (Liquefied Natural Gas LNG, oil refining, gas processing, green hydrogen)
- Mining and minerals hydrometallurgy (lithium refining, alumina refining, nickel/cobalt processing, gold cyanidation)
- Industrial and agricultural chemicals (fertilizers, explosives manufacturing, chlor-alkali, industrial acids)
- Pharmaceuticals, biotechnology and life sciences (vaccines, active pharmaceutical ingredients API, plasma bioprocessing)
- Federal Government research and regulatory authorities (ANSTO, CSIRO, NOPSEMA, DISR, DCCEEW, AICIS)
- Water treatment and environmental remediation (seawater desalination, municipal drinking water, industrial wastewater, PFAS destruction)
- Food, beverage and agricultural processing (brewing, dairy drying, fermentation, food ingredient extraction)
- Engineering consultancies and process technology licensors (Worley, KBR, Hatch, Wood, Bechtel)
Petrochemical Engineering Careers, LNG & Major Hazard Remuneration
Petrochemical engineering represents one of the highest-paying technical specializations within chemical engineering in Australia. Driven by the nation’s status as one of the world’s leading exporters of Liquefied Natural Gas (LNG) and a substantial domestic industrial chemicals sector, petrochemical engineers command premium remuneration packages.
Major petrochemical and energy infrastructure in Australia includes world-scale LNG export facilities in Western Australia (Pluto, Gorgon, Wheatstone, North West Shelf) and Queensland (Curtis Island Gladstone), alongside domestic refining and chemical manufacturing complexes (such as Altona in Victoria and Kooragang Island in New South Wales).
Petrochemical engineers manage complex cryogenic refrigeration cycles, acid gas removal units (MDEA amine wash systems), molecular sieve dehydration beds, fractionators, and high-pressure steam cracking furnaces. These operating units are classified as Major Hazard Facilities (MHF) under state workplace health and safety legislation, demanding rigorous adherence to Process Safety Management (PSM) standards.
Because petrochemical plants operate under continuous 24/7 regimes where unplanned shutdowns can result in millions of dollars in lost throughput, experienced process engineers who can prevent production trips and lead emergency recovery earn base salaries of $160,000 to $230,000, with total packages exceeding $200,000 to $300,000+ when site allowances and short-term incentives are incorporated.
Chemical Engineering Jobs — Key Determinants of Remuneration
Salaries across Australian chemical engineering job advertisements vary substantially based on industry sector, facility hazard classification, working roster, and geographic location.
Industry Sector: Upstream and midstream energy (LNG, gas processing) and mining hydrometallurgy (lithium, gold, nickel) consistently offer the highest remuneration, with packages 20% to 35% above traditional industrial manufacturing, food processing, or municipal water utility benchmarks.
Facility Type & Shift Structure: Site-based operational roles at Major Hazard Facilities carry on-call obligations and shift handover requirements that command significant operational allowances ($15,000–$35,000 annually) compared to corporate office design consulting positions.
Location: Roles located in regional and remote industrial hubs (such as Karratha, Port Hedland, Gladstone, Mount Isa, or Kalgoorlie) offer substantial remote living allowances, subsidized housing, and FIFO travel benefits compared to capital city positions.
Professional Credentials: Holding Chartered status (CPEng / MIChemE) and mandatory state registration (such as RPEQ in Queensland) directly impacts an engineer’s ability to act as a design certifier, translating into tangible salary increments of $15,000 to $30,000.
Chemical vs Process vs Petroleum vs Materials Engineering — Clarifying Overlap
Job titles in the chemical and energy industries frequently overlap, creating confusion for job seekers and employers evaluating salary benchmarks.
Chemical Engineering is the overarching academic and professional discipline founded on chemistry, physics, mathematics, and thermodynamics. A chemical engineer is qualified to work across all transformation industries, from pharmaceuticals and water treatment to mineral refining and petrochemicals.
Process Engineering is an operational title commonly used on plant sites. Many process engineers hold chemical engineering degrees, but mechanical or manufacturing engineers can also hold process titles in discrete manufacturing or packaging lines. In continuous chemical and resource plants, “Process Engineer” and “Chemical Engineer” are often used interchangeably.
Petroleum Engineering (ANZSCO 233612) focuses specifically on the subsurface extraction of hydrocarbons—reservoir modeling, well drilling, downhole completions, and production logging. Once the gas or oil reaches the surface processing facility, the chemical engineer (or surface process engineer) takes over to refine, treat, and liquefy the product.
Materials Engineering (ANZSCO 233112) specializes in the physical and structural properties of materials (metals, polymers, ceramics, composites), investigating corrosion mechanisms, failure analysis, welding metallurgy, and material selection for chemical plant equipment.
Clean Energy Transition, Green Hydrogen & Industrial Decarbonisation
Australia’s commitment to net-zero emissions is driving a profound transformation in chemical engineering employment. As heavy industrial emitters invest in decarbonisation, chemical engineers are leading the engineering design of commercial hydrogen electrolyzers, carbon capture and storage (CCS) systems, renewable ammonia plants, and circular economy plastics recycling.
Federal funding delivered through the Australian Renewable Energy Agency (ARENA), the Clean Energy Finance Corporation (CEFC), and the DISR Hydrogen Headstart program is creating high-demand technical positions for chemical engineers capable of scaling up pilot-stage clean technologies.
Chemical engineers with expertise in electrolysis stack balance of plant, methanation catalysts, industrial heat pump integration, and fuel cell balance command growing premiums across both government advisory panels and clean-tech startups.
Chemical Engineer salary in major Australian cities
City names in search (for example Sydney or Melbourne) reflect where jobs cluster — not a separate official pay scale. Use the APS classification on your offer plus employer and locality data when comparing cities.
Perth
Perth is the premier chemical and process engineering employment center in Australia, underpinned by the massive Western Australian LNG and resources sectors. Major corporate technical headquarters (Woodside, Chevron, Rio Tinto, BHP) and tier-1 EPC consultancies (Worley, KBR, Hatch) are based in the Perth CBD.
Perth offers extensive employment across corporate life-of-plant study teams, greenfield design packages, and regional FIFO departures to Karratha and the Pilbara. Average consulting salaries range from $85,000 for early-career engineers to $185,000–$250,000+ for principal process leads.
Melbourne
Melbourne features a diverse industrial chemical base encompassing the Altona petrochemical complex, major pharmaceutical manufacturing facilities (such as CSL’s global vaccine and plasma operations), food and beverage processing, and water infrastructure consultancies.
Base salaries in Melbourne span from $75,000 for manufacturing graduates to $160,000–$220,000 for senior chemical plant superintendents and consulting directors.
Brisbane & Gladstone
Queensland’s chemical engineering market centers on Brisbane corporate offices and the heavy industrial port city of Gladstone. Gladstone hosts three massive coal seam gas to LNG export terminals on Curtis Island, two world-scale alumina refineries (QAL and Yarwun), and major chemical manufacturing complexes.
Salaries in Queensland are subject to mandatory RPEQ registration. Site-based process engineers in Gladstone earn premium packages ($140,000 to $210,000+) including location allowances.
Sydney
Sydney is a major hub for pharmaceutical process development, industrial chemicals manufacturing (Orica Kooragang Island and Botany Industrial Park), water treatment engineering, and federal nuclear science at ANSTO Lucas Heights.
Experienced chemical engineers in Sydney earn $135,000 to $185,000 base, with strong opportunities in research, design consulting, and technical advisory roles.
Adelaide
Adelaide supports hydrometallurgical processing for South Australia’s copper and uranium mines, hydrocarbon processing at Port Bonython, and chemical defense research with DSTG.
Canberra
Canberra is the center for federal chemical policy, national hydrogen program governance, industrial chemical regulatory assessment (AICIS), and clean energy transition leadership.
Chemical Engineer vs Related Engineering Disciplines
| Attribute | Chemical Engineer | Process Engineer | Petroleum Engineer | Materials Engineer |
|---|---|---|---|---|
| Primary Focus | Chemical transformation, reaction kinetics, thermodynamics, plant design | Continuous industrial process optimization, mass balances, operational efficiency | Subsurface hydrocarbon extraction, reservoir recovery, well completion | Material properties, metallurgy, corrosion mitigation, failure analysis |
| Typical Industries | LNG, refining, chemicals, mining hydrometallurgy, pharmaceuticals, water | Chemical plants, oil & gas facilities, food processing, manufacturing lines | Oil and gas upstream exploration and production, drilling contractors | Aerospace, mining equipment, manufacturing, infrastructure asset integrity |
| Work Location | Design offices, chemical plants, refineries, government science agencies | Operating industrial sites, control rooms, processing plants, consultancies | Offshore drilling platforms, desert gas fields, corporate energy HQs | Metallurgical laboratories, fabrication yards, testing consultancies |
| Key Software | Aspen HYSYS, Aspen Plus, PRO/II, UniSim, Flarenet, BowTieXP | Aspen HYSYS, SmartPlant P&ID, PI ProcessBook, MATLAB, Simulink | Eclipse, Petrel, Prosper, GAP, MBAL, Landmark Compass | Ansys Granta, Thermo-Calc, Dictra, SEM / XRD analysis software |
| ANZSCO Code | 233111 (Chemical Engineer) | 233111 / 233513 (depends on industry) | 233612 (Petroleum Engineer) | 233112 (Materials Engineer) |
Commercial Energy & Mining Process Roles vs Australian Public Service (APS)
| Remuneration Factor | Commercial Energy & Resources (Woodside, Orica, BHP) | Australian Public Service (ANSTO, NOPSEMA, CSIRO, DISR) |
|---|---|---|
| Base Salary Span | $95,000–$250,000+ depending on facility risk tier, site roster, and seniority | $77,865–$182,500 (APS 4 to EL 2 classification bands) |
| Employer Superannuation | 12.0% statutory Super Guarantee (some energy majors offer 12.5%–14%) | 15.4% standard employer superannuation contribution across all agencies |
| Allowances & Overtime | Site uplifts, on-call standby allowances ($10k–$25k), shutdown overtime | Modest overtime for junior classifications (APS 1–6); TOIL for EL levels |
| Performance Bonuses | Common (10%–25% STI cash bonus; LTI shares for senior leaders) | Generally absent; salary advancement occurs via annual enterprise steps |
| Working Hours & Flexibility | Plant-dependent; 24/7 continuous process on-call duty; high intensity | Standard 37.5-hour week; flex-time schemes and hybrid arrangements |
| Core Mandate | Maximizing plant throughput, product yield, commercial EBITDA, uptime | Public safety oversight, nuclear medicine production, national science research |
What does a Chemical Engineer do?
Chemical engineers design, scale up, optimize, and operate commercial and industrial processes that convert raw materials, energy, and chemicals into refined fuels, pharmaceuticals, metals, plastics, food products, and advanced materials.
They model fluid dynamics, mass and heat transfer, and chemical kinetics, synthesize process flow diagrams (PFD) and piping and instrumentation diagrams (P&ID), size pressure vessels and distillation columns, and formulate process safety management (PSM) protocols.
In federal and state government contexts, chemical engineers provide technical oversight for Major Hazard Facilities (MHF), evaluate national offshore gas safety cases at NOPSEMA, assess industrial chemical toxicological risks under AICIS, develop nuclear radiopharmaceuticals at ANSTO, and pioneer hydrogen energy transition frameworks at CSIRO and DISR.
Their technical leadership ensures that chemical operations achieve commercial yield and energy efficiency while strictly avoiding catastrophic loss of containment, toxic vapor release, runaway reactions, or environmental contamination.
Chemical Engineering specialisations
Process Engineering & Simulation
Mass and energy balances, steady-state and dynamic simulation (Aspen HYSYS), PFD/P&ID development, and equipment sizing.
Petrochemical & LNG Engineering
Liquefaction cryogenic processes, gas sweetening, fractional distillation, steam cracking, and hydrocarbon safety.
Process Safety Management (PSM)
Hazard and Operability (HAZOP) leadership, Layer of Protection Analysis (LOPA), Safety Integrity Level (SIL), and QRA.
Salary guide →Hydrometallurgy & Mineral Refining
Atmospheric and pressure acid leaching (HPAL), solvent extraction (SX), electrowinning (EW), and lithium hydroxide precipitation.
Salary guide →Nuclear & Radiochemical Engineering
Nuclear reactor radioisotope production, hot cell radiochemistry, radiopharmaceutical synthesis, and radioactive waste vitrification.
Hydrogen & Clean Energy Transition
Electrolyzer plant balance, steam methane reforming with CCS, ammonia synthesis, and liquid organic hydrogen carriers (LOHC).
Biochemical & Pharmaceutical Engineering
Bioreactor scaling, chromatography purification, sterile filtration, Clean-in-Place (CIP) systems, and GMP compliance.
Water & Wastewater Treatment
Reverse osmosis membrane filtration, biological nutrient removal, advanced oxidation processes, and zero liquid discharge (ZLD).
Salary guide →Qualifications
- Four-year accredited Bachelor of Engineering (Honours) in Chemical Engineering, Chemical and Biomolecular Engineering, or Process Engineering from an Australian university accredited by Engineers Australia and the Institution of Chemical Engineers (IChemE).
- Professional accreditation with Engineers Australia, with progression toward Chartered Professional Engineer (CPEng) and listing on the National Engineering Register (NER) in the Chemical Engineering College.
- Statutory state professional engineer registration where legally mandated: Registered Professional Engineer of Queensland (RPEQ) under the Professional Engineers Act 2002; mandatory registration in Victoria, New South Wales, and Western Australia.
- Professional membership and certification with IChemE (MIChemE / Chartered Chemical Engineer status) is globally recognized across multinational energy and petrochemical employers.
- Industry-specific safety and compliance certifications: HAZOP Leader certification, Functional Safety Engineer (TÜV Rheinland) certification for Safety Instrumented Systems (SIS), Major Hazard Facility (MHF) safety case training, White Card, and site-specific inductions.
Skills
Technical
- Process simulation software: Aspen HYSYS, Aspen Plus, AVEVA PRO/II, Honeywell UniSim Design, KBC Petro-SIM
- Piping and instrumentation design: SmartPlant P&ID, AutoCAD Plant 3D, process flow diagrams (PFD), utility flow diagrams (UFD)
- Process safety and risk assessment: HAZOP, HAZID, Layer of Protection Analysis (LOPA), BowTieXP, Quantitative Risk Assessment (QRA)
- Safety Instrumented Systems: IEC 61508 / IEC 61511 compliance, Safety Integrity Level (SIL) determination and verification
- Relief and flare system design: Pressure safety valve (PSV) orifice sizing to API 520 / API 521, flare radiation modeling in Flarenet / Flaresim
- Equipment hydraulic sizing: Line sizing, pump hydraulics, two-phase gas-liquid flow calculations, control valve Cv sizing
- Thermodynamic and phase behavior: Equation of state (EOS) selection (Peng-Robinson, SRK, NRTL), distillation column tray/packing optimization
Professional
- Process Safety Management (PSM) governance across Major Hazard Facilities (MHF)
- Turnaround and shutdown planning, pre-commissioning, and plant debottlenecking execution
- Multi-disciplinary coordination with mechanical, electrical, instrumentation, and civil engineering disciplines
- Contractual management and technology licensor evaluation for engineering, procurement, and construction (EPC) projects
- Environmental compliance reporting for National Pollutant Inventory (NPI) and National Greenhouse and Energy Reporting (NGER)
- Root cause analysis (RCA) and incident investigation for process upsets and loss-of-containment events
Career progression
Private sector (illustrative)
- Graduate Chemical Engineer / Process Engineer (Operations and design rotations)
- Process Engineer / Plant Chemical Engineer (2–4 years, debottlenecking, PSV sizing, operations support)
- Senior Process Engineer / Production Lead (5–8 years, CPEng / RPEQ, HAZOP chair, project delivery)
- Principal Chemical Engineer / Process Technical Authority (8–12 years, Tier-1 technical sign-off)
- Technical Services Manager / Chief Process Engineer (12–15 years, site technical governance)
- Plant Operations Manager / General Manager / Vice President of Operations (15+ years)
Australian Government (illustrative)
- Graduate APS Chemical Officer / Science Analyst (APS 3–5, ANSTO, CSIRO, NOPSEMA, DISR)
- APS 5–6 Chemical Regulatory Assessor / Process Research Engineer
- Executive Level 1 (EL 1) Senior Chemical Specialist / Facility Assessment Lead
- Executive Level 2 (EL 2) Director of Chemical Risk Assessment / Major Hazard Policy Director
- Senior Executive Service (SES Band 1–2) Branch Head / Science Division Head
Defence engineering
Chemical engineering plays an essential, highly specialized role within Australian Defence capability. Civilian chemical engineers working for the Defence Science and Technology Group (DSTG) and the Capability Acquisition and Sustainment Group (CASG) lead research into energetic materials, solid and liquid rocket propellants, advanced armor materials, and chemical, biological, radiological, and nuclear (CBRN) defense systems.
Defence process engineers evaluate manufacturing protocols at Commonwealth-owned explosives and munitions facilities (such as the Mulwala propellant plant and Benalla munitions facility), assessing synthesis reactions, solvent recovery, nitrocellulose processing, and explosive waste remediation.
Civilian Defence chemical engineers are employed under APS enterprise agreements, distinct from Australian Defence Force (ADF) military service personnel who operate under military pay arrangements.
Engineer vs technician
Chemical Engineers (ANZSCO 233111) are degree-qualified professionals responsible for the fundamental thermodynamic modeling, mass transfer calculations, equipment sizing, and process safety architecture of chemical plants. They are distinguished from Chemical Plant Operators (ANZSCO 7111), Laboratory Technicians (ANZSCO 3111), and Process Operators who monitor control room consoles, operate field valves, and execute routine chemical testing under engineering standard operating procedures (SOPs). Educational qualifications, award coverage, and statutory accountability differ fundamentally.
Federal agency pay bands (illustrative)
Recheck current vacancies before applying — classifications change per ad.
| Agency | Indicative range | Roles | Note |
|---|---|---|---|
| ANSTO (Australian Nuclear Science and Technology Organisation) | $88,085 – $182,500 | Nuclear process engineer, radiopharmaceutical manufacturing lead, radioactive waste vitrification specialist | Based at Lucas Heights; operates OPAL research reactor; structured under ANSTO enterprise agreement with 15.4% superannuation. |
| NOPSEMA (National Offshore Petroleum Safety Authority) | $100,190 – $182,500 | Process safety assessor, major hazard facility inspector, loss of containment specialist, offshore gas compliance lead | Specialist statutory regulator overseeing offshore LNG and petroleum safety cases; highly competitive technical pay bands. |
| CSIRO (Energy & Mineral Resources) | $88,085 – $182,500 | Research chemical engineer, hydrogen membrane scientist, carbon capture process engineer, minerals bioleaching specialist | Operates under CSIRO Staff Enterprise Agreement with research scientist and engineering merit advancement scales. |
| Department of Climate Change, Energy, the Environment and Water (DCCEEW) | $88,085 – $143,200 | Chemicals risk management officer, industrial emissions analyst, hazardous waste policy specialist, Montreal Protocol officer | Enforces Commonwealth environmental legislation governing industrial chemicals, PFAS management, and ozone-depleting substances. |
| Department of Industry, Science and Resources (DISR) | $88,085 – $182,500 | National hydrogen strategy advisor, critical minerals chemical processing specialist, industrial decarbonisation policy lead | Canberra and state-based policy roles directing Commonwealth clean energy grants, industrial scale-up, and bilateral supply pacts. |
Sources
- Jobs and Skills Australia — Chemical Engineer (ANZSCO 233111)
- Australian Bureau of Statistics (via JSA broader-group earnings)
- APSC Remuneration Report 2025 — APS classifications
- ATO Super Guarantee rates
- Agency careers pages linked in the agency table
Data checked: 27 September 2026
FAQs
How much does a Chemical Engineer earn in Australia?
Chemical engineers in Australia earn strong professional compensation that varies significantly by industry. Graduate chemical engineers typically start at $74,000 to $90,000 in manufacturing and consulting, or $90,000 to $115,000 in LNG, oil, gas, and mining hydrometallurgy. Mid-career chemical engineers (3 to 6 years) earn $95,000 to $135,000 base. Senior Chemical Engineers (7 to 10+ years) earn between $140,000 and $185,000 base, while Principal Engineers, Technical Authorities, and Operations Managers in the resources and energy sector frequently command $190,000 to $280,000+ in total remuneration.
What is the average Chemical Engineer salary in Australia?
According to Jobs and Skills Australia and ABS labour statistics, median full-time weekly earnings for the broader Chemical and Materials Engineers unit group (ANZSCO 2331) is approximately $2,420 per week, equating to an annualized base salary of approximately $125,840. In the private sector, average base salaries across chemical and process engineering roles sit between $125,000 and $150,000, with energy and mining process roles pulling the industry average higher.
How much does a graduate Chemical Engineer earn in Australia?
Graduate chemical engineers joining industrial manufacturing, water utilities, or consulting firms typically earn a starting base salary of $74,000 to $90,000 plus 12% superannuation. Graduates accepted into major energy, LNG, or mining programs (such as Woodside, Chevron, BHP, or Orica) receive starting base salaries of $90,000 to $115,000. In the Australian Public Service (APS) at agencies like ANSTO, CSIRO, or NOPSEMA, graduate starting salaries range from $67,875 to $88,140 base plus 15.4% superannuation.
How much does a Senior Chemical Engineer earn in Australia?
A Senior Chemical Engineer with 8 or more years of experience and Chartered credentials (CPEng / MIChemE) earns between $145,000 and $190,000 in base salary. In the energy, LNG, and petrochemical sectors, total compensation packages range from $175,000 to $240,000+ when factoring in annual performance bonuses (15% to 25%), on-call allowances, and superannuation.
How much does a Chemical Engineer earn in the Australian Government?
In the Australian Federal Government, chemical engineers work at agencies including ANSTO, CSIRO, NOPSEMA, the Department of Industry, Science and Resources (DISR), and DCCEEW. Public sector salaries follow standard APS classification bands: APS 5 ($88,140–$97,400), APS 6 ($98,500–$113,859), EL 1 ($121,500–$144,300), and EL 2 ($152,000–$182,500). All APS roles include 15.4% employer superannuation and 37.5-hour standard working weeks.
What APS level is a Chemical Engineer in the public service?
Experienced professional chemical engineers in the APS typically operate at the APS 6 or Executive Level 1 (EL 1) classification. Entry-level graduates begin at APS 4 or APS 5, while team leaders, senior technical authorities, and regulatory program directors sit at Executive Level 2 (EL 2). Senior executives directing national science branches or offshore safety divisions operate under the Senior Executive Service (SES Band 1–2).
How much do petrochemical engineers earn in Australia?
Petrochemical engineers working on oil refineries, LNG liquefaction trains, and petrochemical complexes are among the highest-paid engineering specialists in the nation. Early-career petrochemical engineers earn $110,000 to $145,000 base. Senior and principal petrochemical engineers command base salaries of $165,000 to $240,000, with total packages exceeding $200,000 to $300,000+ when site allowances, turnaround bonuses, and company performance incentives are incorporated.
What is the difference between Chemical and Process Engineering?
Chemical Engineering is the overarching foundational discipline focused on the chemistry, physics, thermodynamics, and mass transfer principles governing materials transformation. Process Engineering is a broader operational role focused on designing, monitoring, and optimizing continuous industrial processes. While most process engineers in chemical, oil, gas, and mining plants hold chemical engineering degrees, process engineers in discrete manufacturing or assembly lines may have mechanical or industrial engineering backgrounds.
What is the difference between Chemical and Petroleum Engineering?
Petroleum Engineering focuses specifically on upstream subsurface extraction—reservoir modeling, well drilling, downhole completions, and oil/gas recovery from underground formations. Chemical Engineering takes over once the hydrocarbon fluid reaches the surface wellhead, designing the surface processing facilities, gas dehydration, acid gas removal, fractional distillation, and LNG liquefaction systems that transform raw hydrocarbons into commercial fuels.
What degree do I need to become a Chemical Engineer in Australia?
To practice as a professional chemical engineer in Australia, you need a four-year accredited Bachelor of Engineering (Honours) in Chemical Engineering, Chemical and Biomolecular Engineering, or Process Engineering from an Australian university accredited by Engineers Australia and IChemE. Alternatively, graduates with an approved Bachelor of Science in Chemistry can complete an accredited two-year Master of Professional Engineering (Chemical) to qualify.
Do Chemical Engineers need CPEng or RPEQ registration?
In Queensland, any chemical engineer carrying out independent professional engineering services must be registered as a Registered Professional Engineer of Queensland (RPEQ) under the Professional Engineers Act 2002. Similar mandatory statutory schemes are enforced or expanding in Victoria, New South Wales, and Western Australia. Chartered Professional Engineer (CPEng) status from Engineers Australia or Chartered Chemical Engineer (MIChemE) from IChemE is standard for senior technical sign-off roles.
Which industries employ the most Chemical Engineers in Australia?
The largest employment sectors for chemical engineers in Australia are energy and petrochemicals (LNG, gas processing, refining), mining hydrometallurgy (lithium, alumina, nickel, copper refining), industrial chemicals and explosives (Orica, Incitec Pivot), water and wastewater treatment utilities, engineering consultancies (Worley, Hatch, KBR), pharmaceuticals and bioprocessing (CSL), and federal science agencies (ANSTO, CSIRO).
How does Chemical Engineer salary change with experience?
Salary growth in chemical engineering is pronounced. Starting at $74,000–$95,000 as a graduate, engineers progress to $95,000–$130,000 within 3 to 5 years as plant process engineers. Between 6 and 10 years, senior engineers earn $135,000–$180,000 base. With 10 to 15 years experience, Principal Engineers and Technical Authorities achieve $175,000–$245,000+, while Plant Operations Managers and General Managers with 15+ years experience command packages between $250,000 and $400,000+.
Which Australian states have the most Chemical Engineering opportunities?
Western Australia is the largest employer of chemical engineers (accounting for approximately 30.5% of the national workforce), driven by massive LNG export facilities and lithium hydroxide refineries. Victoria is second (26.2%), driven by Altona petrochemicals, pharmaceutical bioprocessing, and food manufacturing. New South Wales (20.4%) and Queensland (15.1%) host substantial chemical manufacturing, water infrastructure, and LNG export facilities (Gladstone).
What does a Chemical Engineer do on a day-to-day basis?
On a daily basis, a chemical engineer monitors plant operating parameters (temperatures, pressures, flow rates, chemical compositions), runs process simulations in Aspen HYSYS to debottleneck production lines, leads or participates in HAZOP safety risk assessments, sizes relief valves and pumps, troubleshoots distillation and reaction upsets, optimizes chemical dosing and energy efficiency, reviews P&IDs for capital projects, and ensures strict compliance with environmental emissions and Major Hazard Facility regulations.