Cyber Security Assurance Senior Manager

Defence Equipment & Support; Bristol; Hybrid; GBP 64,000 - 75,000; Full time

Job summary

A leading defence organisation in the UK seeks a Cyber Security Assurance Senior Manager to lead a talented team. In this role, you will implement assurance processes and provide expert guidance, influencing security measures across projects. Opportunities for international travel and personal development await you. With a focus on collaboration and innovation, you will help safeguard critical infrastructure for national security. Join us for a chance to make an impactful difference in cyber security assurance.

Benefits

25 days annual leave plus bank holidays

Flexible and hybrid working options

Market-leading pension contributions

Annual performance-based bonus

Qualifications

• Proven experience in information risk management and decision-making.
• Demonstrable commitment to Cyber Security qualifications.

Responsibilities

• Lead teams of Cyber Security Assurance SMEs on projects.
• Implement Cyber Security Assurance processes and governance.
• Collaborate with stakeholders to maintain secure systems.
• Guide senior stakeholders on Cyber Security Assurance.

Skills

Information risk management

Decision-making

Cyber Security Assurance processes

Secure supply chain management

Education

Degree in an IT related area or relevant experience

Tools

CompTIA Security+

Network+

CISMP

Job description

Job description for Cyber Security Assurance Senior Manager

Are you ready to take the lead in safeguarding critical systems and infrastructure? At DE&S, we’re searching for a dynamic Cyber Security Assurance Senior Manager who’s ready to make a real impact on both organisational and national security. This is a high-profile opportunity where you’ll head up a talented team of Cyber Security Assurance specialists, collaborating with internal stakeholders, industry partners, and suppliers to deliver secure, resilient solutions.

You’ll be the driving force behind robust assurance processes, championing Secure by Design principles and providing expert guidance to senior stakeholders. Your influence will shape projects throughout the entire system life‑cycle, ensuring security standards are upheld and innovation thrives across the supply chain.

This isn’t just a desk job—it’s a chance to broaden your horizons. With opportunities for international travel and involvement in global projects, you’ll experience variety, challenge, and the chance to build strong professional networks. As a leader, you’ll mentor your team, deliver exceptional results, and develop your own technical, strategic, and leadership skills along the way.

If you’re passionate about cyber security, thrive in a leadership role, and want to make a tangible difference, this is your moment. Join us and help advance cyber security assurance, protecting the systems and infrastructure that matter most.

We champion flexible ways of working. Regular in‑person attendance is required (this is expected to be approximately 60% of your working week) to promote the benefits of face‑to‑face collaboration alongside flexibility of hours to support work‑life balance and business need. Initially, you may be expected to attend more frequently to familiarise yourselves with the site, the team, and your role.

What you’ll be doing

• Leading teams of Cyber Security Assurance SMEs on large or complex projects, ensuring high‑quality work that meets business needs, service levels, security outcomes, risk management activities, applying and maintaining frameworks aligned to the three Lines of Defence.
• Implementing Cyber Security Assurance processes, governance, and procedures, ensuring alignment with business requirements and Secure by Design principles.
• Collaborating, building, and maintaining strong relationships with internal stakeholders, industry partners, and suppliers to support the delivery of secure and resilient systems, and ensuring that security requirements are understood, implemented, and maintained throughout the supply chain.
• Providing guidance and assurance to ensure that systems, platforms, and infrastructure are adequately secured and meet organisational security needs.
• Advising senior stakeholders on Cyber Security Assurance, influencing project direction on Secure by Design and Cyber Security.
• Ensuring compliance with regulatory requirements and relevant legislation, working closely with suppliers and industry to uphold these standards.

Person specification

To be successful with your application, you’ll need to show that you meet the followingessential criteria :

• Degree in an IT related area or relevant experience. (Lead Criterion)
• Demonstrable proven experience in information risk management and decision‑making.
• Hold OR show a commitment to working towards CompTIA Security+, or Network+, or Certified Information Security Management Principles (CISMP).

In addition to the responsibilities above, the followingtechnical competences and behaviourswill be assessed at interview :

• Core Behaviour 1 : Delivering at pace – CSBC4
• Core Behaviour 2 : Making effective decisions – CSBC4
• Technical Competence 1 : Information risk assessment and risk management – Expert level
• Technical Competence 2 : Secure supply chain management – Practitioner level

Benefits

Alongside your salary of £64,700, Ministry of Defence contributes £18,743 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.

• 25 days’ annual leave +1 day a year up to 30 days, 8 bank holidays and a day off for the King’s birthday
• Flexible and hybrid working options
• Market‑leading average employer pension contribution of 28.97%
• Annual performance‑based bonus and recognition awards
• Access to specialist training and funded qualifications
• Support for progression
• Huge range of discounts
• Volunteering days
• Enhanced parental leave schemes

Improving innovation and enriching our culture, diversity of thought is vital to our success. So, whether you’re looking for a new opportunity, a next step, or a helping hand as you return from a career break, bring your experiences and help deliver for the defence of tomorrow. Here you’ll find a supportive, family‑friendly organisation to be a part of – and if you need any assistance with your application, just let us know.

Further Information

• Civil Service Recruitment Principles : Recruitment Principles – Civil Service Commission
• Candidate Information Pack : https://bit.ly/DES-Candidate-Information-Pack
• Terms and Conditions : https://bit.ly/DES-Terms-and-Conditions
• Civil Service Code : The Code – Civil Service Commission

Disability Confident

Please note as a Disability Confident Leader we want to ensure you receive any reasonable adjustments that you need throughout the recruitment process. If you do require any reasonable adjustments, you can let us know on your online application under the section ‘Please indicate and give details of any reasonable adjustments you may require during the recruitment process.’

Conflicts of Interest

The Ministry of Defence requires all candidates who are successful at interview to declare any outside interests. These declarations will be discussed with successful candidates following the interview process and before a formal offer of employment is made, as some outside interests may not be compatible with MOD civilian roles. This will not, in the majority of cases, prevent employment in MOD, but it is a measure that must be taken to ensure that appropriate mitigations can be put in place to manage any potential, perceived or actual conflicts of interest from the first day of employment.

Please Note: In the event of a tied score at interview, the Order of Merit will be distinguished based on the ranking of the assessed behaviours and competencies below :

• 1st : Core Behaviour 1
• 2nd : Core Behaviour 2
• 3rd : Technical Competencies
• 4th : CV Review

In the event of a further tie using the method above, we reserve the right to utilise the Lead criterion, and / or and additional assessment.

Things you need to know

Selection process details

Your application will go through the following stages of assessment :

• Pre‑sift – We will check that you meet any essential or eligibility criteria that are listed in the Person Specification section of this advert. On your CV, please clearly show how you meet the essential criteria.
• Sift – Your CV will be assessed against the following categories, using a simple numerical scoring system : Key Achievements; Relevant Experience; Applied Knowledge and Skills. Please follow our guidance on CV writing for best chance of success.
• Interview – If you’re invited to interview, you’ll be assessed against the Sift categories listed above, as well as the Technical Competences and Behaviours listed in the Person Specification section of this advert.

If you feel that your application has not been treated in accordance with the Recruitment Principles and you wish to make a complaint, in the first instance you should contact department via email : DESHR‑WSC‑[e-mail]

If you are not satisfied with the response you receive from the Department, you can contact the Civil Service Commission : Recruitment Complaints – Civil Service Commission

Ready to join us as a Cyber Security Assurance Senior Manager ? Apply now!