Chief Information Security Officer jobs in London

Working for OCCAR offers a unique opportunity to grow, develop and make a meaningful impact – whilst working with a dynamic, international team of experts.

Because communication is key to success in this role, strong English language skills are essential, as it is our working language. This position is based in Bonn, Germany, a city renowned for its high quality of life and vibrant cultural scene.

Joining our team comes with many benefits, including a competitive remuneration package, which includes salaries and allowances that are net of income tax. You will also enjoy an excellent private healthcare scheme, annual salary progression and a wide range of additional advantages designed to support your professional and personal well‑being.

The ideal candidate for this role will possess the following essential skills:

ES 1 Sound knowledge of, and recent experience in, actively leading or significantly contributing to the development and implementation of policies and procedures relating to Information, CIS and Cyber Security within a national or an international organisation;

ES 2 Sound knowledge of, and recent experience in, performing CIS Security risk management tasks in complex, inter-networked CIS environments, including demonstrating the ability to analyse and assess CIS security-related issues;

ES 3 Sound knowledge of, and practical experience in, planning or leading the accreditation of classified complex inter-networked CIS infrastructure with a comprehensive understanding of the physical, personnel, technical and procedural security aspects;

ES 4 Sound knowledge of relevant security policies and procedures governing the protection of classified information of one or more OCCAR Member States as well as of international organisations such as NATO or the EU;

ES 5 Sound knowledge of, and practical experience with, modern cryptographic principles and technologies, including symmetric and asymmetric encryption, key-management practices, digital signatures and secure communication protocols and their application in securing complex inter-networked CIS environments.

You are required to have security clearance at ‘OCCAR Secret level’ for this post. Candidates who do not already hold this clearance will be expected to obtain it within the first six months of employment, if selected. You are also required to be a citizen of an OCCAR Member State: Belgium, France, Germany, Italy, Spain and the United Kingdom.

Applications for this post will only be accepted through the completion and submission of the official OCCAR Application Form, available on our website (www.occar.int), and in accordance with the defined procedure.

Please note that applications submitted in any other format or via alternative channels cannot be considered under any circumstances. We recognise and appreciate the time and effort required to complete the application process. However, joining OCCAR is a unique opportunity, and our rigorous procedures ensure we maintain the high standards expected by our Member Nations.

Apply on the Organisation’s website:

https://www.occar.int/human-resources/applying-for-occar-posts/vacancies

The closing date for applications is the 07/08/2026.

The planned Start Date is the 01/11/2026.

Job Types: Full-time, Contract

Application Question(s):

• Do you meet the required English Language proficiency (Advanced level, both oral and written)?
• This is an on-site posting. Are you able and willing to relocate to Bonn (Germany)?
• This vacancy is only open to citizens of the OCCAR Member States: Belgium, France, Germany, Italy, Spain and the United Kingdom. Are you a citizen of one of these Nations?
• If you have responded affirmatively to all of above questions and feel that you have the relevant skills and experience please proceed and apply for this position.

Please note: Applications to the post shall only be accepted upon completion and submittal of the official "OCCAR Application Form" available on the OCCAR’s website (www.occar.int), in accordance with the defined procedure.

Submissions in any other format or sent through alternative channels will not be considered under any circumstances.

• Do you meet all of the above-mentioned essential skills (ES1-ES5)?

Work Location: In person