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Posted 25 July, 2026

Embedded C Software Engineer - Development

Certain Advantage
Stevenage, ENG, GB Full Time

Job Description

World Class Defence Organisation is currently looking to recruit an Embedded C Software Engineer on an initial 6 month contract. Rate: £70.00 per hourLocation: StevenageHybrid / Remote working: Onsite – however a 4 day working week (Monday to Thursday) is available. Contract: 37 Hours per weekOvertime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’Duration: 6 Months (initially and then ongoing and long-term thereafter)IR35 status: Inside IR35 (Umbrella)Job Description:We are a world leader in missile and missile systems looking for a highly capable and adaptable Engineers to join our Development Facility in Stevenage, Hertfordshire.You will be responsible for developing the software through the full lifecycle for safety related real-time systems application software for the next generation of Missile Systems. This is a technical hands-on role working the full software lifecycle.Responsibilities:You will be responsible for delivering the on-board software for the next generation of Missile Systems. This is a hands-on role and will involve architecting, designing, implementing and testing missile subsystem softwareSkillset/experience required:Minimal: (Good)\n
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  • Ability to debug complex problems and be able to produce required documentation to achieve the required safety level.
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  • Authoring Specifications through the full lifecycle: planning, design and test documents.
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  • Requirements Analysis Experience
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  • Knowledge of Source Configuration Control Processes (e.g., PVCS, RTC, GIT)
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  • Working with minimal supervision.
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  • Experience of working with formal requirements capture tool.
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  • Significant previous experience of developing bare-metal embedded software using C/C++.
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Required: (Better)\n
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  • Previous experience of development and verification of embedded software written in C and developed at a high safety integrity level (SIL4 / DO178C Level B or equivalent)
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  • Specification creation and compliance recording in DOORS.
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  • Working knowledge of C/C++ for testing special builds and focussed code reviews
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  • Unit Testing using LDRA, RAPITA or CPP Unit or an equivalent testing tool.
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  • Understanding of Code Coverage and techniques/strategies used to cover/justify shortfall
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  • Working in a lab environment with live equipment (PSUs, Scopes, Logic Analysers etc.) conducting system tests.
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Desirable: (Best)\n
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  • Significant experienced in developing software to DO178C Level B.
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  • Knowledge of Defence standards and Micro-controller technologies
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  • Testing on Development Cards with a test environment or bare-metal with special builds
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  • Experience using test systems\n
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    • RAPITA Tool experience.
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  • Knowledge and use of ALM
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  • Creation and use of Virtual Machines (VMWare)
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