Performance Auditor

North Atlantic Treaty Organization

Location:
Brussels, Belgium
Grade:
NATO Grade G17
Category:
Professional Staff
Posted Aug 12, 2026Apply by Sep 13, 2026 (21d left)
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The International Board of Auditors for NATO (IBAN) conducts external performance audits of NATO bodies and the NATO Security Investment Programme. The incumbent assists as a team member or lead auditor for performance audits, requiring extensive travel within NATO member countries.

Responsibilities

  • Assist Primary Auditors as a team member for performance audits of NATO bodies as assigned by the Board, in accordance with the auditing standards adopted by the Board.
  • Act as lead auditor for less complicated performance audits when required.
  • If assigned to NSIP audits, act as team member on audits of NSIP project expenditure.
  • Ensure continuous professional development of audit skills as well as knowledge of NATO, NATO entities and activities and auditing practices at other International Organisations.
  • Prepare and present clear, convincing and timely audit reports and/or findings in accordance with the auditing standards adopted by the Board.
  • Communicate reports and results with the Board, other auditors and auditees.
  • Control the quality, quantity and relevance of data input.
  • Contribute to the maintenance of knowledge and information sharing within the Board.
  • Ensure an efficient flow of information within the audit team.
  • Perform any other duty as assigned.

Requirements

  • Possess a university degree or equivalent level of qualification.
  • Have at least 4 years’ relevant performance audit experience.
  • Have knowledge of the International Standards of Supreme Audit Institutions (ISSAIs) promulgated by the International Organisation of Supreme Audit Institutions (INTOSAI).
  • Possess knowledge of current performance auditing techniques including audit software.
  • Possess excellent oral and written communication skills.
  • Possess the following minimum levels of NATO’s official languages (English/French): V (“Advanced”) in one and I (“Beginner”) in the other.
  • Be able to travel extensively (approximately half the working year) throughout NATO member countries and be prepared to work outside of normal office hours, if required.
  • Experience using data analytics in performance audit is considered an advantage.
  • Experience or knowledge of project management methodology and practice, and possessing a relevant certification or qualification, such as PRINCE2, is considered an advantage.
  • Prior performance audit work experience with, or be seconded from, a national Supreme Audit Institution is considered an advantage.
  • Knowledge of the auditing standards promulgated by the International Federation of Accountants (IFAC) is considered an advantage.

Skills

  • Performance Audit
  • Audit Software
  • Oral Communication
  • Written Communication
  • Data Analytics
  • Project Management
  • Prince2
  • Travel Management
  • Performance Auditing Techniques
  • Auditing Standards
  • IFAC Standards

Languages

English, French