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Internal Auditor

  • IMS
Brussels, Belgium
Application Deadline: May 20, 2024
  • IMS
Brussels, Belgium
Application Deadline: May 20, 2024


The Internal Auditor is responsible for providing to the entire IMS BG risk-based and objective assurance, advice and insight to enhance and protect organizational value including but not limited to assets, reputation and sustainability of the organization, thus ensuring compliance with NATO Financial Regulations (NFR), IMS policies and International Public Sector Accounting Standards (IPSAS).

In line with NFR, the internal audit function is independent from management, reporting functionally to the appropriate IMS BG’s audit authorities and administratively to the IMS Financial Controller.


  • Examining and evaluating the adequacy and effectiveness of the organization’s risk management and internal controls, the quality of performance in carrying out assigned responsibilities to achieve the organization’s stated goals and objectives;

  • Submitting to the appropriate IMS BG’s audit authorities and senior management boards an annual internal audit plan for review and approval;

  • Preparing and issuing a written report following the consultation of each internal audit engagement;

  • Reporting periodically to the appropriate IMS BG’s audit authorities and senior management boards on the internal audit activity’s purpose, authority and responsibility, as well as performance relative to its plan;

  • Reporting on significant risk exposures and control issues, including fraud risks, policy and procedure issues and other matters needed or requested by the appropriate IMS BG’s audit authorities or senior management boards;

  • Conducting audit assignments extending to all internationally funded and nonappropriated funded activities within the IMS BG in accordance with recognised professional standards of the internal audit profession;

  • Directing, programming and controlling financial, risk, governance, performance, compliance and internal control audits of the IMS BG;

  • Programming and directing audits to evaluate the effectiveness, efficiency and economy of operations and systems, including Information Technology (IT) systems;

  • Following up on previous audit findings to ensure suitable action has been taken;

  • Responding to emerging, non-recurring or changing issues in a logical, reasoned, professional and decisive manner;

  • Developing and maintaining the IMS BG’s internal audit strategy, internal audit manual and policy;

  • Advising the appropriate IMS BG’s audit authorities and senior management boards on audit aspects related to risk management, corporate governance and compliance issues;

  • Developing relationships with key senior stakeholders within the IMS BG and the wider audit profession inside and outside of NATO;

  • Establishing the objectives and scope of work for each audit assignment as well as planning the resources needed;

  • Coordinating audit activities and support during the external audit fieldwork with the International Board of Auditors for NATO (IBAN);

  • Performing periodic cash verifications for the IMS BG;

  • Performing other related duties as directed.


  • Perform a similar range of duties elsewhere in the organisation at the same grade without there being any change to the contract;

  • Travel both within and outside of NATO boundaries;

  • Work irregular hours whenever necessary;

  • Support prototyping/test bed activities for IMS BG’s implementation of the automated financial management system;

  • Make recommendations and provide training in audit related policies and procedures to include corporate governance, risk management, internal control and compliance;

  • Perform duties in the NATO HQ Crisis Management Organisation.



  • A minimum of six years’ experience in financial, performance, quality, operations and/or IT auditing;

  • A sound knowledge of International Public Sector Standards (IPSAS);

  • A sound knowledge of financial regulations governing an international organisation or public-sector entity;

  • Ability to assess independently scenarios and issues, evaluate options to proceed and provide timely advice on the most appropriate decision.


  • A university degree in a related discipline such as accounting, business management, economics, finance (at least to ISCED level 6);

  • A professional certification from a recognised Internal Auditing Organization and in accordance with recognised Internal Audit Standards (e.g. Certified Internal Auditor - CIA). Exceptionally the lack of a certification may be compensated by proven particular abilities or experience that are of interest to the post.


  • Candidates must have an upper-intermediate/advanced level of spoken and written English;

  • The working language in the IMS is English and therefore candidates will be required to pass a one-hour multiple-choice computer-based test in English at the required level as well as to demonstrate their abilities in the written test and interview.

Computer Literacy

  • Use of MS-Office applications in crucial to the effective and successful execution of daily duties. Advanced user experience with Word, Outlook, Excel and PowerPoint is required. Additionally, there is a requirement for working experience with an Enterprise Resource Planning System for performing information systems, IT general controls, application controls as well as financial audits.



  • Experience as an auditor in a major international/multi-national organisation (preferably NATO) or in a national audit institution;

  • Experience performing IT audits in ORACLE Enterprise Business Suite;

  • Sound knowledge of NFRs and procedures;

  • Strong professional background with at least six years acquired in positions related to the duties outlined;

  • Ability to interpret laws, executive orders and directives and to formulate policies and implementing rules and procedures on matters of finance, procurement and property administration.


  • An advanced university degree (MS, MA, MBA or equivalent) or post- graduate diploma in accounting, finance, management, business administration or related field (ISCED level 7);

  • Certification from a recognised professional accounting body;

  • Resource Management Education Programme (RMEP);

  • NATO HQ Management Development Programme or similar.


  • An upper intermediate level of French.


  • Mature and tactful;

  • Analytical reasoning, sound judgement and flexibility;

  • Excellent oral and written communication skills;

  • Ability to express oneself clearly and persuasively;

  • Professionalism and technical expertise;

  • Accuracy and attention to detail;

  • Empathy with the concerns of senior management boards and staff;

  • Impartiality and the highest standards of personal integrity.


Candidates must demonstrate the following competencies:

  • Achievement: Works to meet standards;

  • Analytical Thinking: Sees multiple relationships;

  • Clarity and Accuracy: Checks own work;

  • Conceptual Thinking: Applies learned concepts;

  • Customer Service Orientation: Takes personal responsibility for correcting problems;

  • Empathy: Is open to others’ perspectives;

  • Impact and Influence: Takes multiple actions to persuade;

  • Initiative: Is decisive in a time-sensitive situation;

  • Teamwork: Solicits input and encourages others.


  • Advises the senior management board of the IMS Budget;

  • Interacts routinely with the Financial Controller, the Principal Administrator (Finance) and financial managers in all divisions of the IMS, providing sound advice, problem solving and assistance;

  • Interacts with representatives from all divisions, branches and offices from the entire IMS BG;

  • Interacts with representatives from the IBAN.


  • He/she is the principal independent evaluator of the operational and financial efficiency and effectiveness of IMS BG’s and STO’s activities and procedures;

  • He/she ensures the organizations’ credibility before the nations by ensuring that Director General IMS, the NDC Commandant, the NATO Chief Scientist the Director CMRE and Director CSO meet their operational mission in a most cost-effective and efficient manner;

  • He/she contributes to mission objectives by proactive identification and correction of potential problems and continuous improvement of working methods and results.


  • Security Clearance: NATO SECRET (if not currently held, the incumbent must be eligible for this level of clearance);

  • Work Environment: Normal office environment.


Please note that we can only accept applications from nationals of NATO member countries.

Applications must be submitted by 20 May 2024 (23.59 Brussels time) using the erecruitment system, as applicable:

  • For NATO civilian staff members only: please apply via the internal recruitment portal (for more information, please contact your local Civilian HR Manager);

  • For all other applications:

Applications are automatically acknowledged within one working day after submission. In the absence of an acknowledgement, please make sure the submission process is completed, or, resubmit the application.

Please note that at the time of the interviews, candidates will be asked to provide evidence of their education and professional experience as relevant for this vacancy.

The successful applicant will be offered a three-year definite duration contract which may be renewed. If the successful candidate is seconded from a national administration, public institution or the armed forces of a NATO member state, he/she will be offered a three-year definite duration contract which may be renewed for a further period of up to three years.

The maximum time of service in post for seconded staff is six years. Serving NATO international civilian personnel will be offered a contract in accordance with the NATO Civilian Personnel Regulations.

Appointment will be subject to receipt of a security clearance (provided by the national Authorities of the selected candidate) and approval of the candidate’s medical file by the NATO Medical Adviser.

An on-line pre-selective assessment may be held as part of the selection procedure.


NATO as an employer values diverse backgrounds and perspectives and is committed to recruiting and retaining a diverse and talented workforce. NATO welcomes applications of nationals from all Member States and strongly encourages women to apply.

Building Integrity is a key element of NATO’s core tasks. As an employer, NATO values commitment to the principles of integrity, transparency and accountability in accordance with international norms and practices established for the defence and related security sector. Selected candidates are expected to be role models of integrity, and to promote good governance through ongoing efforts in their work.

Applicants who prove to be competent for the post but who are not successful in this competition may be offered an appointment in another post of a similar nature, which might become vacant in the near future, albeit at the same or lower grade, provided they meet the necessary requirements.

Please note that the IMS at NATO Headquarters in Brussels, Belgium is a non-smoking environment.
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