Internal Auditor

Internal Auditor

European Organization for Nuclear Research (CERN)

December 18, 2025February 1, 2026GenevaSwitzerland
Job Description
Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading scientific research organization established to probe the fundamental structure of the universe. It employs physicists and engineers who utilize the world's largest and most complex scientific instruments to study the basic constituents of matter. CERN's mission is to advance knowledge and understanding of the universe through groundbreaking research and innovation. The organization operates in multiple countries and employs a diverse workforce, fostering an inclusive environment where collaboration and creativity thrive. CERN is committed to diversity and inclusion, recognizing that a diverse workforce is essential to its success.

Job Overview:
The Internal Auditor position at CERN is designed for experienced professionals in internal or external auditing who are looking to advance their careers in a collaborative and international setting. This role offers a unique opportunity to engage with a broad audit universe while contributing to high-impact work that aligns with Global Internal Audit Standards. The successful candidate will be responsible for developing the annual internal audit plan through risk assessments and conducting audits in accordance with the approved plan. The position requires providing expert advice on governance, risk management, internal controls, and process improvements, as well as producing clear and insightful audit reports that facilitate management's agreement on proposed actions. The Internal Auditor will also conduct investigations into alleged fraud and act as a liaison for the Organization's External Auditors, leading or contributing to various internal audit-related projects and initiatives.

Duties and Responsibilities:
The Internal Auditor will have a comprehensive set of responsibilities, including:
  • Contributing to the development of the annual internal audit plan through thorough risk assessments.
  • Independently performing audits in line with the approved plan, ensuring compliance with established standards.
  • Providing expert advice on governance, risk management, internal controls, and process improvements to various departments and services as needed.
  • Producing clear and insightful audit reports that include actionable recommendations and facilitating management's agreement on proposed actions.
  • Following up on the implementation of agreed-upon actions to ensure accountability.
  • Conducting investigations into alleged fraud when necessary, maintaining a high level of integrity and confidentiality.
  • Acting as a liaison for the Organization's External Auditors, ensuring effective communication and collaboration.
  • Leading or contributing to internal audit-related projects and initiatives that enhance the overall audit function.

Required Qualifications:
Candidates must possess a Master's degree or equivalent relevant experience in Auditing, Accounting, Finance, Economics, or a related field. Relevant certifications such as ACCA, CIA, or CFE are highly advantageous and will be considered a strong asset. The ideal candidate should demonstrate a solid understanding of auditing principles and practices, as well as a commitment to maintaining high professional standards in all audit activities.

Educational Background:
A Master's degree or equivalent in a relevant field such as Auditing, Accounting, Finance, or Economics is required for this position. Candidates with additional certifications in auditing or finance will have a competitive advantage in the selection process.

Experience:
Candidates should have demonstrated experience in financial, compliance, or performance auditing, utilizing a professional audit methodology. Experience in an international environment is essential, as is a good business acumen. Familiarity with fraud investigation practices is considered an asset, as well as experience with data analytics and related tools that can enhance the auditing process.

Languages:
Fluency in spoken and written English is mandatory, with a commitment to learning French being highly desirable. Proficiency in additional languages may be considered an asset, particularly in a diverse international organization like CERN.

Additional Notes:
The position is offered as a limited duration contract for 5 years, with the possibility of applying for an indefinite position subject to certain conditions. The working hours are set at 40 hours per week, and the role is fully onsite at CERN. The job grade is classified as 6-7, and the reference for this job posting is DG-IA-2025-268-LD. The position offers a competitive salary that is tax-free, increasing with relevant experience, along with 30 days of paid leave per year plus 2 weeks of annual closure. Employees are covered by CERN's comprehensive health insurance scheme, which includes coverage for spouses and children, and membership in the CERN Pension Fund. Additional benefits include family, child, and infant monthly allowances based on individual circumstances, as well as a relocation package that may include installation grants, removal expenses, and travel expenses depending on individual circumstances. There is also the possibility to extend the contract up to 8 years, along with eligibility for indefinite contract tenure.
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