Systems Engineering Support

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.

With over 16,000 professionals across 21 countries, we're recognised as a "Great Place to Work" for fostering a high-trust culture. Our core values of Trust, Commitment, Accountability, Passion, Creativity, and Transparency drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.

Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.

Let's Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

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THE OPPORTUNITY

We are seeking multiple Systems Engineers to support capability development across requirements engineering and system safety for complex embedded and naval-related systems. The roles involve managing evolving system baselines, supporting software and firmware requirement definition, and delivering structured safety analysis and documentation.

KEY RESPONSIBILITIES:

• Define and manage embedded software and firmware requirements, supporting system-level design and implementation.
• Develop and maintain complex system requirements aligned with rapid release schedules.
• Lead requirement flow-down from system-level to design and implementation teams.
• Generate and manage detailed requirement sets and support baseline change control
• Conduct hazard and safety analysis for naval systems, including: Functional Failure Analysis (FFA) Fault Tree Analysis (FTA) Failure Modes, Effects and Causes Analysis (FMECA) Structured What-If Analysis (SWIFT) HAZOPs.
• Develop safety requirements, safety cases, and evidence-based arguments using Goal Structuring Notation (GSN).

EXPERIENCE AND SKILLS:

• Strong experience in requirements engineering for embedded software/firmware.
• Skilled in system design and verification across iterative baselines.
• Background in systems safety engineering, particularly for naval systems.
• Proficiency in hazard identification, analysis techniques, and safety case development.

BENEFITS:

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 days full sick pay per year
• Cycle to Work & TechScheme
• Corporate access to the Udemy platform

If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.