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Expleo Group

Principal Systems Engineer

Expleo Group

. Apply systems engineering best practice in accordance with ISO 15288 principles and lifecycle processes .

Posted 10/2/2026contractFarnborough • United KingdomLeadWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in Systems Engineering principles and lifecycle processes, with a strong focus on Requirements Engineering, System Architecture, and Technical Leadership. Capable of managing complex engineering projects while ensuring compliance with regulatory standards and delivering high-quality technical documentation.

Highest-signal resume keywords
Systems Engineering Best PracticesRequirements Engineering ExpertiseSystem Architecture DevelopmentTechnical LeadershipStakeholder Management

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Systems EngineeringRequirements ManagementSystem DesignSystems IntegrationVerification and ValidationTechnical DocumentationAnalytical SkillsProblem-SolvingTechnical ReviewsUnderwater Ranging Capabilities
Soft Skills
Communication SkillsPresentation SkillsNegotiation AbilitiesTeam CollaborationMentoring
Certifications & Qualifications
UK Security Clearance (SC)
Industry Keywords
ISO 15288DefenceMaritime ProgrammesEngineering StandardsQuality Processes

About the role

Key responsibilities & impact
  • Apply systems engineering best practice in accordance with ISO 15288 principles and lifecycle processes
  • Capture, analyse, manage and validate stakeholder, user and system requirements
  • Develop system architectures, concepts of operation and system design solutions
  • Produce and maintain systems engineering artefacts throughout the project lifecycle
  • Lead systems engineering activities across complex defence and maritime programmes
  • Support system modelling, integration, verification, validation and acceptance activities
  • Provide technical leadership and guidance to multi-disciplinary engineering teams
  • Work with project managers, stakeholders and subject matter experts to ensure programme delivery
  • Manage technical risks, assumptions, issues and dependencies
  • Review and assure the quality of technical deliverables
  • Support compliance with engineering, safety and regulatory standards
  • Contribute to technical reviews and customer presentations
  • Mentor and support junior systems engineers
  • Support development and integration of underwater ranging, tracking and monitoring capabilities for a UK Defence programme

Requirements

What you’ll need
  • Degree qualified in Systems Engineering, Engineering, Physics, Mathematics or a related STEM discipline
  • Demonstrable systems engineering experience within a complex engineering environment
  • Eligible to obtain and maintain UK Security Clearance (SC)
  • Strong understanding of systems engineering principles and lifecycle processes
  • Requirements engineering and requirements management expertise
  • System architecture and system design experience
  • Systems integration, verification and validation knowledge
  • Technical leadership and stakeholder management skills
  • Ability to define and tailor systems engineering processes to programme requirements
  • Experience producing technical documentation including requirements specifications, design documentation, management plans and test reports
  • Strong analytical and problem-solving skills
  • Excellent communication, presentation and negotiation abilities
  • Ability to work effectively within multi-disciplinary engineering teams
  • Experience applying systems engineering methodologies across the full engineering lifecycle
  • Experience with requirements elicitation, decomposition, traceability and verification
  • Experience developing system architectures and technical solutions
  • Experience supporting integration and acceptance of complex systems
  • Experience collaborating with technical stakeholders, project managers and customers
  • Experience delivering technical work packages and reporting progress against programme objectives
  • Experience working within governance frameworks, engineering standards and quality processes

Benefits

Comp & perks
  • Collaborative working environment
  • Opportunities to expand skills and take part in inspiring projects
  • Expleo Academy accredited training courses
  • Competitive company benefits
  • Inclusive and accessible recruitment process
  • Reasonable adjustments and support for disabled employees
  • Equal opportunities employment
  • Additional support and adjustments to help everyone thrive