Internal Auditor Salary (Australia)
Official Australian Public Service (APS) & Federal Government Internal Auditor Salary Guide. Verified data from active departmental Enterprise Agreements and APSC resources.
Important Classification Notice
Internal Auditor is generally a professional role title, not a static official APS classification. In the Australian Public Service, these positions are typically classified across the APS4 (Audit Support), APS5 (Auditor), APS6 (Senior Auditor), EL1 (Audit Manager), and EL2 (Director Internal Audit) bands depending on the level of responsibility, technical scope, and department structure.
Internal Auditor Salary Snapshot
Official wage ranges and estimated take-home pay structures across typical APS classification levels:
APS4 Level
APS5 Level
APS6 Level
EL1 Level
EL2 Level
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Take-Home Pay Breakdown
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APS Internal Auditor Level Guide
Overview of responsibilities and typical salary ranges for internal auditors in the public service:
| APS Level | Typical Audit Role | Salary Range | Key Responsibilities |
|---|---|---|---|
| APS 4 | Audit Support Officer | $77,865 – $90,500 | Assists with collecting audit evidence, formatting documentation files, and scheduling audit field interviews. Works under moderate direction. |
| APS 5 | Internal Auditor | $88,085 – $102,500 | Conducts standard operational and compliance audits, tests internal controls, and highlights issues to audit leads. |
| APS 6 | Senior Internal Auditor | $100,190 – $124,800 | Leads complex departmental audits, evaluates structural risk registers, and drafts formal audit reports containing corrective recommendations. |
| EL 1 | Audit Manager | $120,750 – $151,200 | Coordinates divisional audit plans, establishes scope boundaries for major reviews, and briefs Executive Audit Committees. |
| EL 2 | Director Internal Audit | $145,900 – $195,000 | Establishes agency-wide audit strategies and governance controls. Directs fraud prevention programs and serves as primary ANAO coordinator. |
Salary by Agency
Compare base salary scales across 11 major federal departments (including the ANAO):
| Agency | APS 4 Scale | APS 5 Scale | APS 6 Scale | EL 1 Scale | EL 2 Scale | Official Source |
|---|---|---|---|---|---|---|
| Australian National Audit Office (ANAO) | $82,900 – $89,900 | $92,500 – $101,900 | $105,900 – $123,900 | $128,500 – $149,800 | $155,000 – $189,500 | Official EA ↗ |
| Department of Finance | $81,900 – $88,900 | $91,900 – $100,900 | $103,900 – $121,900 | $126,500 – $146,800 | $152,500 – $185,500 | Official EA ↗ |
| Department of Defence | $81,868 – $88,900 | $91,085 – $100,400 | $103,190 – $121,780 | $123,500 – $142,800 | $148,900 – $181,900 | Official EA ↗ |
| Department of Home Affairs | $78,900 – $87,900 | $88,900 – $97,900 | $101,900 – $119,900 | $121,900 – $138,900 | $146,800 – $176,900 | Official EA ↗ |
| Services Australia | $77,865 – $86,500 | $88,085 – $97,400 | $100,190 – $118,780 | $120,750 – $137,900 | $145,900 – $175,500 | Official EA ↗ |
| Australian Taxation Office (ATO) | $79,865 – $87,500 | $89,085 – $98,400 | $101,190 – $119,780 | $125,000 – $145,000 | $150,800 – $182,500 | Official EA ↗ |
| Department of Health & Aged Care | $79,800 – $86,900 | $89,600 – $98,600 | $101,600 – $119,600 | $124,800 – $144,500 | $149,800 – $180,800 | Official EA ↗ |
| Department of Education | $78,500 – $85,500 | $88,500 – $97,500 | $100,500 – $118,500 | $125,200 – $145,200 | $150,500 – $182,500 | Official EA ↗ |
| Department of Infrastructure, Transport & Regional | $79,900 – $86,900 | $89,900 – $98,900 | $101,900 – $119,900 | $126,100 – $146,200 | $151,800 – $184,800 | Official EA ↗ |
| Department of the Treasury | $82,500 – $89,500 | $92,500 – $101,500 | $104,500 – $122,500 | $128,400 – $148,900 | $153,900 – $188,900 | Official EA ↗ |
| Department of the Prime Minister and Cabinet (PM&C) | $83,500 – $90,500 | $93,500 – $102,500 | $105,500 – $123,500 | $130,500 – $151,200 | $156,500 – $195,000 | Official EA ↗ |
What Does an Internal Auditor Do?
Core assurance and operational audit tasks performed by audit teams:
Operational Audits
Evaluating business unit process efficiency and highlighting operational bottlenecks or resource waste.
Financial Audits
Testing financial reporting accuracy, verifying general ledger control balances, and coordinating year-end processes.
Compliance Reviews
Ensuring agency processes strictly align with legislated guidelines, including the PGPA Act.
Risk Assessments
Identifying enterprise-level risks and verifying that appropriate control mitigations are active.
Internal Controls
Reviewing systems access records, separation of duties, and delegate authorization workflows.
Governance Reviews
Evaluating board reporting channels, policy registers, and delegated accountability structures.
Fraud Prevention
Reviewing fraud risk registers, investigating suspicious transactions, and establishing whistleblower channels.
Performance Audits
Assessing program delivery outcomes against established targets and value-for-money frameworks.
Audit Reporting
Drafting structured findings packages detailing identified issues and associated risk ratings.
Recommendations
Formulating practical, constructive action plans to address identified process weaknesses.
Required Skills & Capabilities
Professional skills required to execute rigorous control audits successfully:
Risk Management
Identifying potential operational, financial, or security risks in business processes.
Internal Controls
Testing key controls, checking segregation of duties, and reviewing system logs.
Financial Analysis
Analyzing transaction ledgers, general account balances, and audit trails.
Auditing Standards
Applying International Standards for the Professional Practice of Internal Auditing (IPPF).
Microsoft Excel
Analyzing large datasets using Pivot Tables, VLOOKUPs, and data filtering.
Power BI
Reviewing and building compliance metrics dashboards and risk reports.
SAP S/4HANA
Extracting financial ledgers, auditing accounts payable records, and verifying transaction details.
Oracle Financials
Reviewing procurement records, checking approval flows, and auditing payments.
Communication
Interviewing stakeholders and explaining audit findings in a constructive manner.
Report Writing
Drafting clear, concise audit reports for senior executives and audit committees.
Critical Thinking
Evaluating business processes objectively to identify hidden weaknesses or risks.
Stakeholder Management
Managing relationships with business unit leaders during sensitive audits.
Internal Audit Standards & Frameworks
Federal internal audit functions operate in alignment with global and national frameworks:
- International Professional Practices Framework (IPPF): The mandatory global guidance published by the Institute of Internal Auditors (IIA).
- Global Internal Audit Standards: Modernized standards regulating audit methodology, ethics, and corporate assurance quality.
- Commonwealth Resource Management Framework: Issued under the PGPA Act, guiding how departments manage public funds transparently.
- Risk Management Frameworks: Aligning review scopes to ISO 31000 risk management guidelines to ensure robust control environments.
Preferred Qualifications
Educational and certification structures supporting internal audit careers:
- Undergraduate Degrees: Bachelors of Commerce, Accounting, Finance, or Business Analytics.
- Certified Internal Auditor (CIA): The premier global credential offered by the Institute of Internal Auditors (IIA), critical for EL1/EL2 progression.
- Professional Accounting Accreditations: CPA Australia, Chartered Accountants (CA ANZ), or IPA memberships are highly regarded.
Government Audit & Finance Systems
Audit testing workflows require daily interaction with key software platforms:
- SAP S/4HANA & Oracle: Major financial ledgers queried to trace payment files and control delegations.
- TechnologyOne: Mid-tier ledger software examined to review purchase orders and financial approvals.
- TeamMate & AuditBoard: Dedicated audit management software used to log evidence and track corrective recommendations.
- Excel & Power BI: Used to run compliance scripting, perform variance testing, and build risk dashboards.
Benefits & Work Conditions
Key employee benefits enshirined in Commonwealth agreements:
15.4% Employer Super
Generous super contribution paid on top of base salary — providing a major retirement boost.
Flexible Working
Flexible start/finish times and accrued flex-time for APS4-APS6 staff.
Hybrid Work
Formal hybrid work arrangements, typically allowing WFH 2 to 3 days per week.
Purchased Leave
Option to purchase up to 4 weeks of extra annual leave via regular salary deductions.
Annual Leave
Standard accrual of 20 days of paid annual leave per year.
Personal / Carer’s Leave
18 days of paid personal/carer’s leave accrued annually for health or caring needs.
Long Service Leave
3 months of paid leave after 10 years of continuous public sector service.
Salary Packaging
Pre-tax packaging options for novated car leases and portable electronic devices.
Professional Development
Paid membership fees for professional audit and accounting bodies.
Study Assistance
Study leave and financial support for Certified Internal Auditor (CIA) studies.
Working Conditions
Internal auditors operate in a professional office environment, with standard conditions outlining daily work patterns:
- Standard Hours: 37.5 hours per week with flexible working options and flex-time accrual for APS4-APS6 staff.
- Hybrid Working: Enshrined WFH arrangements allowing 2 to 3 WFH days weekly.
- Audit Cycles: Standard workload peaks aligned to the corporate audit plan schedules, rather than just EOFY.
- Security Clearance: Most positions require a Baseline clearance, with Negative Vetting 1 (NV1) required for defence or intelligence agency audits.
Audit Career Progression Roadmap
Typical milestones, required experiences, and indicative salary growth throughout an audit career in government:
Graduate Auditor
$72,000 – $78,000Milestone: Participate in rotations across financial, compliance, and performance audit sections.
APS4 Audit Officer
$77,865 – $90,500Milestone: Assist with audit evidence gathering, organize working papers, and support entry meetings.
APS5 Internal Auditor
$88,085 – $102,500Milestone: Conduct standard operational and compliance audits, and test internal controls.
APS6 Senior Internal Auditor
$100,190 – $124,800Milestone: Lead standard audits, evaluate risk registers, and draft audit reports.
EL1 Audit Manager
$120,750 – $151,200Milestone: Develop individual audit scope parameters, manage budgets, and lead audit teams.
EL2 Director Internal Audit
$145,900 – $195,000Milestone: Establish agency-wide audit strategies, manage fraud programs, and advise CEO.
Chief Audit Executive
$200,000+Milestone: Direct global portfolio risk strategy, report directly to Audit Committee, and oversee operations.
Current APS Audit Vacancies
Audit roles are regularly advertised across the federal public service on APS Jobs.
Data sourced from official APSC vacancy boards. Last checked 31 July 2026.
Internal Auditor Salary Trends
Historical and scheduled base wage increases enshirined under the 2024-2027 enterprise agreements:
Scheduled EA Wage Increases
Inflation & WPI Alignments
APS enterprise agreements enshrine standard salary increases designed to protect public servants from CPI inflation cost pressures. Wage indexation guarantees that audit salaries scale predictably over the multi-year duration of the agreement.
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