Senior / Principal Systems Engineer

  • Expleo UK LTD
  • Cheadle, Staffordshire
  • Jul 25, 2025
Full time I.T. & Communications

Job Description

Overview

We are seeking a Senior & Principal Systems Engineers with extensive years of experience to join our team. The ideal candidates will have a strong background in the defence industry and expertise in systems engineering, verification, project management, and Documentation. We are looking for Engineers who promote a mindset of attention to detail, communication, and teamwork within the team. Candidates with a good understanding of all aspects of Systems Engineering relating to lifecycle processes and methodologies should apply.



Responsibilities

  • Requirements Analysis & Management
    • Review and interpret User Requirements Documents (URDs)
    • Derive and document system/sub-system requirements
    • Establish and control requirement baselines
    • Perform impact assessments on change requests
    • Manage requirements through IBM DOORS (or equivalent)
  • Solution Development
    • Develop technical solutions for hardware, software, and systems-of-systems
    • Decompose requirements into design building blocks at system and subsystem level
    • Identify, propose and secure buy-off for system solutions
    • Support configuration definition and management activities
  • Artefact Generation
    • Produce high-quality technical documentation in line with project governance
    • Contribute to formal reviews and audits of artefacts and baselines
    • Lead or support generation of interface control documents, architecture diagrams, and verification plans
  • You are expected to be able to work in all areas of top the V model where you will be able to support concept translating systems to customer requirements, through to in-service support. You will be expected to provide systems engineering support to customer design and engineering management teams.
  • Full requirements management (creation, update, validation, verification), including suppliers' integration and DOORS experience,
  • Documentation: Produce detailed technical documentation, supporting the development of engineering requirements and associated documentation.
  • Reviewing, documentation - Subsystems, customer, work packages.
  • Verification, Validation, proving and Certification
  • Systems Integration
  • Model based engineering techniques, including the use of Rhapsody


Qualifications

  • Bachelor's degree in Engineering, Computer Science, or a related field.
  • Applicable and suitable experience can be substituted for qualifications.


Skills

  • Systems Engineering
  • Technical Requirement Specification
  • Requirements Verification
  • Requirements Development
  • Requirements Proving
  • Rhapsody
  • PLM tools
  • System design
  • Systems Architecture
  • Systems Integration
  • Ability to provide inputs to project Management
  • MS Office Suite
  • Understanding of complete V Lifecycle.
  • Manage Non-Conformances
  • IBM DOORS
  • JIRA
  • Ability to analyse complex technical problems and generate effective solutions.
  • Strong interpersonal skills for effective cross-functional collaboration.
  • Excellent verbal and written communication skills, capable of articulating complex technical concepts to diverse audiences.
  • Comfortable working in a dynamic, fast-paced environment with evolving priorities.


Experience

  • Extensive experience in Systems Engineering roles.
  • Proven experience in systems engineering, preferably within the defence or aerospace industry
  • Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues and propose innovative solutions
  • Excellent communication and interpersonal skills, with the ability to collaborate effectively in a multidisciplinary team environment
  • Experience with project management practices and tools, including schedule management, risk analysis, and resource allocation
  • Knowledge of relevant industry standards and regulations, such as MIL-STD, DO-178C, and DO-254, is desirable
  • Eligibility for security clearance (dependent on project requirements)
  • Systems Thinking: Understanding of context and complexity; systems of systems awareness
  • Systems Design: Concept Generation, architecture definition, design assurance & Integrity
  • Systems Safety: Identification and Mitigation of hazards; safety considerations
  • IVVQ: Requirements verification and Validation planning and execution
  • Interface Management: Understanding and Documenting systems relationships and Interfaces
  • Requirements Management: Requirements Derivation, Allocation and Traceability (Using DOORS)
  • Lifecycle Knowledge: Full coverage of the V lifecycle, from concept through to validation and support


What do I need before I apply

  • Engineers must meet the following criteria:
    • Security Cleared (SC, sole UK national, BPSS)
    • Onsite Availability: Minimum 3 days per week at Cheadle
    • Requirements Derivation Experience: Proven capability deriving and allocating URD requirements to sub-systems
    • Domain Knowledge: Submarine or wider Maritime Defence experience preferred; SONAR experience is a distinct advantage
    • Lifecycle Familiarity: Demonstrated experience across the full V-model development lifecycle
    • DOORS Proficiency: Working knowledge of DOORS or equivalent tools for requirements management
    • Leadership Ability: Self-starting and capable of leading small engineering teams when required


Benefits

  • 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