Security Cleared DevSecOps Consultant - Senior

Sector: Defence & National Security Clearance Required: SC clearance (or eligibility to obtain higher UK security clearance)Employment Type: Permanent Working Model: Flexible - remote, office, or client site (as required)Salary & Benefits: Competitive salary + annual bonus, generous pension, private healthcare, 25 days holiday + birthday off, paid volunteering days, reservist leave, and more.

This is a unique opportunity to join a high-performing DevSecOps team delivering secure, mission-critical systems for the defence and national security ecosystem. The role is suited to a software engineer with a strong understanding of secure development practices, Agile delivery, and systems engineering principles. You'll work across the full lifecycle-from concept and requirements through design, build, integration, testing, and deployment-within a collaborative, multidisciplinary environment.

• Develop secure software solutions using Python, C#, Go, and other modern languages.
• Operate as a cross-functional engineer within an Agile DevSecOps team.
• Engage with stakeholders to understand and refine technical requirements.
• Design, code, integrate, test, and deploy software in secure environments.
• Produce and execute software and integration tests.
• Identify and resolve bugs and deployment issues.
• Demonstrate software functionality to clients and stakeholders.
• Document technical work and support knowledge transfer to junior team members.
• Contribute to continuous improvement and adoption of new technologies.
• Participate in lessons learned and best practice sharing across teams.

• Strong experience in secure software development within Agile teams.
• Proficiency in one or more programming languages: Python, C#, Go.
• Solid understanding of the systems engineering lifecycle.
• Experience working on large, complex, and secure systems.
• Knowledge of APIs and data architecture.
• Strong grasp of networking fundamentals and the networking stack.
• Scripting experience with PowerShell, Bash, or VBScript.
• Experience with software release audits (as developer or auditor).
• Ability to wireframe UI/UX designs using tools like Balsamiq.
• Excellent problem-solving skills in secure environments.
• Strong verbal and written communication skills.
• Willingness to work out of hours occasionally when required.

• Degree (or equivalent) in software engineering, systems engineering, or related field.
• Experience designing solutions to meet client requirements.
• Cloud platform accreditation (AWS, Azure) in DevOps or administration.
• CREST certification or equivalent security qualification.
• Chartered IT Professional status or equivalent.
• Hands-on experience with UI/UX design and implementation.

Due to the nature of the work, candidates must hold or be eligible to obtain UK SC clearance. Willingness to undergo higher levels of clearance is essential.

• Competitive salary and annual bonus scheme.
• Generous pension and life assurance.
• 25 days annual leave plus your birthday off.
• Options to buy and sell holiday.
• 10 days additional leave for military reservists.
• Up to 2 days of paid volunteering per year.
• Individual Doctor@Hand healthcare cover.
• Genuine flexible working - remote, office, or client site.
• Access to the latest secure technologies.
• Investment in personal development and career progression.
• A vibrant and inclusive social scene.

The client is a trusted leader in defence and national security, delivering secure digital capabilities and systems that support critical operations. Known for technical excellence and innovation, they offer a collaborative environment where engineers work on impactful projects using cutting-edge technologies. With a strong focus on professional development, flexible working, and employee wellbeing, this is a unique opportunity to contribute to national security while advancing your career.

To find out more about Computer Futures please visit www.computerfutures.com

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