Job Vacancy Security Cleared Cyber Security Consultant

We are seeking a highly skilled and experienced Cyber Security Consultant to join a dynamic and growing consultancy delivering strategic cyber solutions across Defence, Government, and Critical National Infrastructure sectors. This is a permanent position offering a competitive salary, flexible working arrangements, and a comprehensive benefits package.

As a Cyber Security Consultant, you will act as a Subject Matter Expert (SME), providing specialist advice and support to clients across a range of complex and sensitive environments. You will be responsible for developing and implementing cyber security strategies, conducting risk assessments, producing technical documentation, and advising on secure system design and assurance. The role requires strong stakeholder engagement, technical leadership, and the ability to work collaboratively within multi-disciplinary teams.

This is a client-facing role that demands a high level of professionalism, technical expertise, and the ability to communicate clearly and confidently with stakeholders at all levels.

• Provide best practice cyber security advice and hands-on support to clients across Defence and secure sectors.
• Develop cyber security strategies, policies, processes, and implementation plans tailored to client needs.
• Conduct technical risk assessments and recommend appropriate mitigations.
• Produce high-quality security documentation including RMADS, SyOPs, and Security Architecture Documents.
• Advise on suitable cyber assessment methods, including penetration testing and vulnerability analysis.
• Provide assurance on the effective implementation of cyber security controls and frameworks.
• Develop incident response plans and support clients during security breaches, including crisis management and media handling.
• Communicate clearly and confidently in written reports, presentations, and day-to-day interactions.
• Collaborate with internal and external teams, often across multiple organisations.
• Mentor junior colleagues and contribute to knowledge sharing and capability development.
• Build and maintain strong client relationships, acting as a trusted advisor.
• Support business development activities, including proposal writing and client engagement.

• Proven experience delivering cyber security consultancy within Defence, Government, or secure environments.
• Strong understanding of Secure by Design principles and Enterprise Architecture frameworks (e.g. TOGAF, MODAF).
• Familiarity with NSCS guidance, Information Assurance standards, and MoD security processes (JSPs, Defcons).
• Technical expertise in IT security, cloud security, system hardening, boundary controls, cryptography, PKI, and protective monitoring.
• Experience producing RMADS, SyOPs, and other formal security documentation.
• Knowledge of agile delivery methodologies and working within agile teams.
• Excellent communication and stakeholder engagement skills.
• Ability to work independently and as part of a collaborative team.

• UK resident with the right to work.
• Eligible for SC clearance (or already cleared); DV clearance is highly desirable.
• Willingness to travel to client sites when required (travel expenses covered).
• Commitment to continuous professional development and learning.

• Salary: £75,000-£85,000 depending on experience.
• Annual bonus scheme.
• Generous pension and life assurance.
• 25 days annual leave with options to tailor to personal circumstances.
• Additional 10 days leave for military reservists.
• Up to 2 paid volunteering days per year.
• Individual Doctor@Hand healthcare cover.
• Flexible working arrangements - remote or office-based.
• Access to the latest secure technology and tools.
• Investment in personal development and training.
• Relocation bonus available for graduates.
• Vibrant social culture with regular team events.

The organisation prides itself on fostering a culture of excellence, integrity, and inclusion. It is committed to creating an environment where talented professionals can thrive, contribute meaningfully, and grow their careers. Diversity of thought, background, and experience is actively encouraged, and the company promotes equal opportunities for all.

Employees are empowered to balance their professional and personal lives through flexible working, supportive leadership, and a strong sense of team purpose. The consultancy is known for its collaborative approach, technical depth, and commitment to delivering high-quality outcomes for clients.

To find out more about Computer Futures please visit

Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales