Senior System Engineer

SII UK is part of the SII Group which has been operating for more than 40 years and is one of the fastest growing companies in Europe. The Group proudly employs over 14,000 professionals worldwide, and is one of the top IT & Engineering services providers in France, Germany, Romania and Poland. We provide a range of services to our clients in the IT and Engineering fields. We run various projects for leading worldwide companies in multiple industries. We believe people are our most important asset and this is the core of our #FUNgineer concept. In 2016 SII opened our doors to Engineers across the UK providing superior technical services to the top players in the Aerospace & Defence, Aviation, Transportation and Telecoms sectors. SII’s mission is to accompany its customers through digital transformation, we believe we can achieve this thanks to our Engineering professionals. Join us and enjoy what makes being a FUNgineer. THE OPPORTUNITY We are seeking a Senior System Engineer to support the analysis, design, and validation of complex systems and subsystems. You will ensure high-quality product delivery through effective requirement management, verification, and validation. KEY RESPONSIBILITIES: Requirement Analysis: Analyse system and subsystem requirements, derive functional, hardware, and safety specifications. Documentation: Author and update Software/Hardware Requirement Specifications and ensure traceability from Technical Requirements. Verification & Validation: Develop verification plans, define test scenarios, and execute tests to qualify equipment. Testing & Compliance: Record test results, address non-conformances, and refine procedures. Certification: Produce design certification documentation and review technical publications for consistency. Collaboration: Work closely with cross-functional teams to meet product lifecycle requirements. SKILLS: Required Qualifications: Bachelor’s degree in Engineering or Systems Engineering. Strong experience in requirement analysis, verification, and validation. Skilled in managing Software/Hardware Requirement Specifications and executing tests. Excellent problem-solving and communication skills. Preferred: Defence or aerospace experience, familiarity with C2 systems, and knowledge of safety/performance standards. 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.

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