Internal Auditor P-3

Internal Auditor P-3

Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)

October 26, 2025December 10, 2025ViennaAustria
Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) About
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) bans nuclear explosions by everyone, everywhere: on the Earth's surface, in the atmosphere, underwater and underground. Since the Treaty is not yet in force, the organization is called the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO). It was founded in 1996, has over 260 staff from over 70 countries, and is based in Vienna. The CTBTO’s main tasks are the promotion of the Treaty and the build-up of the verification regime so that it is operational when the Treaty enters into force.
Job Description
Job Posting Organization:
The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) is an international organization headquartered in Vienna, Austria. Established to implement the Comprehensive Nuclear-Test-Ban Treaty (CTBT), the organization is responsible for setting up a global verification system to monitor compliance with the treaty, which prohibits any nuclear weapon test explosions. The CTBTO operates a network of 337 monitoring stations worldwide, along with a communications system, an international data center, and the capability for on-site inspections. The organization aims to enhance global security" style="border-bottom: 1px dotted #007bff !important;">security by preventing nuclear testing and promoting disarmament.

Job Overview:
The Internal Auditor position is situated within the Internal Audit and Oversight Section of the Office of the Executive Secretary. The primary function of this role is to provide independent and objective oversight to improve the operations of the organization. The auditor will be responsible for planning, conducting, and drafting reports for various audits and advisory activities, ensuring compliance with applicable standards set by the Institute of Internal Auditors (IIA). The role requires effective engagement with auditees to support the implementation of action plans and to conduct follow-ups to assess progress. The auditor will also contribute to the annual Internal Audit Work Plan and participate in investigations into potential fraud or misconduct, providing ad hoc support to management as needed.

Duties and Responsibilities:
The duties and responsibilities of the Internal Auditor include planning and conducting audits, drafting reports, evaluating internal controls, risk management, governance processes, and operational efficiency. The auditor will engage with auditees to support the implementation of action plans, conduct systematic follow-ups, and assess the effectiveness of actions taken. Additionally, the auditor will gather and analyze insights related to governance and risk management, participate in the preparation of the annual Internal Audit Work Plan, and assist in the design and implementation of the Quality Assurance and Improvement Program. The role also involves conducting preliminary assessments and investigations into potential fraud, providing management support in process improvement, and performing other assigned duties.

Required Qualifications:
Candidates must possess a university degree in auditing, accounting, public or business administration, finance, economics, data science, or related fields. An internationally recognized professional certification in auditing or accounting, such as Certified Internal Auditor (CIA), Certified Public Accountant (CPA), or Chartered Accountant (CA), is required. Candidates should have a minimum of five years of relevant professional experience in auditing, with at least two years specifically in internal auditing, adhering to IIA standards. Strong analytical and critical-thinking skills, excellent communication abilities, and proficiency in software applications such as Excel, Word, SharePoint, Teams, and PowerPoint are essential. Experience in data analytics projects and conducting IT audits is desirable, along with additional certifications related to investigations or information systems auditing being an asset.

Educational Background:
The educational background required for this position includes a university degree in relevant fields such as auditing, accounting, public or business administration, finance, economics, or data science. Additionally, candidates must hold an internationally recognized professional certification in auditing or accounting, which is a prerequisite for the role.

Experience:
The position requires a minimum of five years of relevant professional experience in auditing, with a significant portion of this experience gained in an international environment. At least two years of this experience must be specifically related to internal auditing, covering financial, operational, and compliance audits in either the public or private sector. Candidates should demonstrate strong analytical skills and the ability to communicate complex concepts effectively.

Languages:
Excellent written and oral communication skills in English are mandatory for this position. Knowledge of other official CTBTO languages, including Arabic, Chinese, French, Russian, and Spanish, is considered desirable and advantageous for candidates.

Additional Notes:
The position is a Fixed Term Appointment at the P-3 grade level, with a reporting date as soon as possible. The CTBTO encourages qualified female applicants and persons with disabilities to apply. A roster of suitable candidates may be established for similar positions at the same level for a period of two years. The organization offers an attractive compensation and benefits package in accordance with the policies of the International Civil Service Commission. All applications must be submitted through the CTBTO e-Recruitment system before the stated deadline, and incomplete applications will not be considered. The CTBTO retains the discretion not to make any appointment to this vacancy or to appoint at a lower grade if necessary.
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