Cyber Security Assurance Principal


Company:	Government Recruitment Service
Salary:	£62,034 to £82,430 a year
Hours:	Full-time
Location:	London
Job type:	Permanent
Posting date:	25 Aug 2026
Closing date:	6 Sept 2026

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Summary

Are you passionate about strengthening cyber security through effective assurance and risk management?

Can you provide expert advice that helps organisations identify, assess and manage cyber risk?

Do you have the influence and expertise to drive security compliance and assurance across complex environments?

If so, we’d love to hear from you!

This is an exciting time to join the Digital, Information and Security Directorate within the Department for Transport as we restructure our directorate to ensure we are ready for future challenges, building a more sustainable, skilled and in-house capability.

Assess risk. Strengthen resilience. Build confidence.

Use your cyber security expertise to provide assurance, influence decision-making, and help protect critical services, systems and information across the Department for Transport.

Joining our department comes with many benefits, including:

Employer pension contribution of 28.97% of your salary. Read more about Civil Service Pensions here

25 days annual leave, increasing by 1 day each year of service (up to a maximum of 30 days annual leave), plus 8 bank holidays a privilege day for the King’s birthday

Flexible working options where we encourage a great work-life balance.

Read more in the Benefits section below!

Find out more about what it's like working at Department for Transport Central - Department for Transport Careers.

Join the Department for Transport's Digital, Information and Security Directorate and play a key role in strengthening cyber security across the organisation. As a Cyber Security Assurance Principal, you will help ensure that appropriate cyber security controls are in place and security risks are correctly identified, assessed and managed, enabling the department to deliver secure and resilient digital services.

You will ensure adherence to the department’s cyber security policies, standards and assurance frameworks. You'll evaluate risks, review security arrangements and provide evidence-based recommendations that support informed decision-making and continuous improvement.

You'll build strong relationships with technical and non-technical stakeholders, influencing positive security outcomes and helping to embed a risk-based approach to cyber security. Through assurance activities, monitoring and reporting, you'll support the department in maintaining compliance, improving resilience and protecting critical services and information.

This is an excellent opportunity for a cyber security professional who enjoys balancing technical knowledge with stakeholder engagement to drive compliance and make a tangible impact across a complex organisation.

Your responsibilities will include, but aren’t limited to:

Leading the assurance of ‘secure by design’ principles into application development, integrating security tools, standards, and processes into product life cycles.
Leading engagement with senior internal and external stakeholders to present assurance findings to inform risk-based decisions
Overseeing the procurement, development and implementation of a programme of penetration tests, red team exercises and/or vulnerability assessments of IT assets.
Providing expert security advice on cyber security related risks, informed by current threat information, and pragmatic advice on mitigation.
Set the cyber security requirements for the Department’s suppliers and oversee the assurance activities needed to ensure suppliers meet the required standards throughout the lifetime of the contract.

For further information on the role, please read the role profile. Please note that the role profile is for information purposes only - whilst all elements are relevant to the role, they may not all be assessed during the recruitment process. This job advert will detail exactly what will be assessed during the recruitment process.

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