Job Vacancy Security Cleared DevSecOps Consultant - Senior
Winterbourne
Computer Futures
Job position Security Cleared DevSecOps Consultant - Senior
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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.
Key Responsibilities:- 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.
What You'll Get in Return:- 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
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
Working environment
Our client is a leading organisation at the forefront of national defence and security innovation. They specialise in delivering complex, secure systems and digital capabilities that support mission-critical operations across government and defence sectors. With a strong reputation for technical excellence and trusted delivery, they work on some of the most sensitive and high-impact programmes in the UK.
The company fosters a collaborative, multidisciplinary environment where engineers, developers, and analysts work together to solve real-world challenges. Their teams operate across the full systems engineering lifecycle-from concept and requirements analysis through design, build, integration, testing, and deployment into live operations. Agile methodologies and DevSecOps principles are embedded into their delivery model, ensuring rapid, secure, and scalable solutions.
Employees benefit from access to cutting-edge technologies, secure development environments, and ongoing investment in personal and professional development. The organisation actively supports certifications, training, and career progression, making it an ideal place for ambitious professionals looking to grow within a high-trust, high-performance culture.
Flexible working is a core part of their offering, with options to work remotely, from modern offices, or on client sites depending on project needs. The company also offers a competitive salary, annual bonus, generous pension scheme, private healthcare, and additional leave for military reservists and volunteering.
This is an opportunity to join a forward-thinking organisation where your work directly contributes to national security and technological advancement. You'll be part of a team that values innovation, integrity, and impact-working on projects that truly matter.
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Security Cleared DevSecOps Consultant - Senior
Computer Futures
