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Posted 01 August, 2026

Software Security Engineer

Defence
Bath, ENG, GB Full Time

Job Description

The opportunity
\n Join a software engineering function where you'll get broad exposure to the organisation's product portfolio, working in a team that actively adopts modern/innovative technologies.

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\nKey aspects of the role\n
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  • Lead and guide the security aspects of product development across the full lifecycle: concept/design ? delivery ? in-service support.
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  • Provide hands-on technical guidance to software development and wider project teams, including:\n
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    • security requirements and techniques
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    • software architecture and design patterns
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    • coding standards, trade-offs, and best practice
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  • Support technology/framework evaluation and selection for software projects.
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  • Conduct security assessments and risk analysis for technologies and software systems:\n
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    • identify vulnerabilities and threats
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    • define mitigation strategies
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  • Drive continuous improvement:\n
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    • identify process improvements
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    • contribute to development/implementation of engineering methodologies, tools, and frameworks
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  • Maintain clear, current security documentation (processes, procedures, guidelines).
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  • Produce security reporting/metrics to track activities, vulnerabilities, and remediation.
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\nWhat you can expect in the team\n
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  • Engineering is central to the business, with scope to grow technical leadership and deepen understanding of complex software systems.
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  • Work alongside a multi-disciplinary engineering environment within a supportive and expanding software engineering team.
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\nWhat we're looking for\n
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  • Experience developing complex software products in regulated/safety-/security-conscious sectors such as defence, automotive, aerospace, telecoms (or similar).
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  • Practical software security experience, with knowledge of relevant standards and best practices.
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  • Strong collaborator and technical leader with good communication/influencing skills; enjoys problem solving and technical challenge.
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  • Interest in emerging technologies and current security challenges.
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  • Embedded software and/or firmware experience is beneficial but not essential.
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  • STEM degree (or equivalent experience) and comfortable working cross-discipline.
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Dynamic (hybrid) working: 3 to 5 days per week on-site, due to workload classification

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Security Clearance: British Citizen or a Dual UK national with British citizenship.

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