Senior Systems Engineer

Expleo is seeking an experienced Senior Systems Engineer to support advanced concept development activities within an Air Systems programme. Working as part of a multidisciplinary Future Systems team, the successful candidate will contribute to the development, assessment and maturation of next-generation effects optimisation concepts, supporting the evolution of future weapon and engagement capabilities.

The role requires a systems thinker capable of analysing complex operational problems, developing concept solutions, assessing capability interactions and producing structured engineering artefacts that support programme milestones and decision-making. The position also involves close collaboration with weapon programme teams, systems engineers, technical leads and programme stakeholders within an Agile delivery environment.

• Develop and mature FCAS effects optimisation concepts to support future capability development activities.
• Generate and document concept assumptions, constraints, dependencies and operational considerations.
• Engage with weapon programme teams to understand current and future capability applications across a range of engagement scenarios.
• Identify concept synergies, interactions and relationships between weapon systems and operational effects.
• Produce functional architecture and behavioural diagrams to support concept assessment activities.
• Generate and maintain combined concept functional diagrams and associated engineering artefacts.
• Assess concepts and identify strengths, limitations, opportunities and dependencies.
• Support weapon capability assessments against emerging FCAS concepts.
• Produce concept artefacts and technical evidence to support programme Statements of Work, reviews and key milestones.
• Provide technical expertise at programme reviews and stakeholder working groups.
• Contribute to Agile project delivery activities including sprint planning, reviews and retrospectives.
• Support project management activities through effective use of Agile toolsets and configuration-controlled environments.
• Produce regular technical status updates and monthly progress reports for programme leadership.

• Systems engineering and concept development.
• Operational analysis and problem solving.
• Functional decomposition and systems modelling.
• Capability assessment and trade-off analysis.
• Stakeholder engagement and technical communication.
• Development of engineering artefacts, presentations and technical reports.
• Working within Agile project environments.
• Ability to work collaboratively across multiple engineering disciplines.
• Strong analytical and critical thinking skills.

• Future Combat Air Systems (FCAS) programme experience.
• Weapon systems and guided weapons knowledge.
• Concept of Operations (CONOPS) development.
• Model-Based Systems Engineering (MBSE) awareness.
• Defence architecture and capability modelling.
• Military operational effects analysis.
• Systems-of-systems engineering.

• Concept generation and concept maturation activities.
• Developing functional diagrams and engineering models.
• Analysing system behaviour, dependencies and operational interactions.
• Supporting technical reviews and milestone activities.
• Working with stakeholders to capture and refine technical requirements and assumptions.
• Operating within Agile delivery frameworks and collaborative engineering teams.

• Ability to work within a Defence environment and support sensitive programmes.
• Strong written and verbal communication skills.
• Ability to engage effectively with technical leaders, programme teams and key stakeholders.
• Eligibility to obtain and maintain appropriate UK Security Clearance where required.

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges  
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects   
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses  
• Competitive company benefits
• Always working as one team, our people are not afraid to think big and challenge the status quo

• As a Disability Confident Committed Employer we have committed to:
  • Ensure our recruitment process is inclusive and accessible
  • Communicating and promoting vacancies
  • Offering an interview to disabled people who meet the minimum criteria for the job
  • Anticipating and providing reasonable adjustments as required
  • Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people

“We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”. 

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive