Senior System Engineer

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, Transparency, and Quality 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 a Senior System Engineer to develop and deliver updated verification strategies for complex systems across various environmental categories and technical disciplines. The role involves using Model-Based Systems Engineering (MBSE) to ensure all claims, arguments, and evidence are logic-linked, traceable, and compliant with relevant standards. This position requires collaboration with stakeholders, clause-by-clause analysis of standards, and the creation of integrated trials and modelling roadmaps to demonstrate full system compliance.

KEY RESPONSIBILITIES:

• Deliver updated verification strategies covering all environmental categories and technical disciplines.
• Define and document claims and arguments necessary to demonstrate compliance with system requirements.
• Develop integrated trials and modelling roadmaps identifying evidence needs at component, subsystem, and system levels.
• Engage with stakeholders across the business to gather inputs and align strategies.
• Facilitate workshops and discussions to ensure comprehensive strategy coverage.
• Apply MBSE tools to capture and logically link verification strategies.
• Integrate verification strategies with established safety approaches.
• Conduct clause-by-clause analysis of relevant standards to identify required evidence for compliance.
• Document and ensure traceability of evidence to specific clauses, addressing gaps in evidence delivery where necessary.
• Ensure all compliance evidence is logic-linked, traceable, and aligns with overall system verification strategies.
• Identify and establish delivery routes for missing evidence.

SKILLS:

• Strong expertise in verification strategy development for complex systems.
• Proficiency in Model-Based Systems Engineering (MBSE) methodologies and tools.
• In-depth knowledge of standards compliance, including clause-by-clause analysis and evidence traceability.
• Ability to develop and manage integrated trials and modelling roadmaps.
• Exceptional collaboration and communication skills for stakeholder engagement.
• Analytical thinking with meticulous attention to detail in system engineering processes.
• Requirements management tools (DOORS etc.)

QUALIFICATIONS:

• Bachelor's degree or higher in Systems Engineering, Mechanical Engineering, Electrical Engineering, or a related field.
• Extensive experience in systems engineering with a focus on verification and compliance
• Proven track record of applying MBSE in a professional setting.
• Familiarity with safety-critical systems and related standards (e.g., ISO, IEC, MIL-STD).
• Professional certification in systems engineering (e.g., INCOSE ASEP/CSEP) is desirable.

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
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• 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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