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Principal System Engineer

Job in Maidenhead, Berkshire, SL6, England, UK
Listing for: Copello Global
Full Time position
Listed on 2026-01-10
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering
Job Description & How to Apply Below

Overview

We’re supporting a leading organisation operating at the forefront of defence and secure systems engineering, looking to appoint an experienced Principal Systems Engineer to take a key leadership role across complex, high-impact programmes.

This is an opportunity to work on mission-critical systems in a security-sensitive environment, providing technical leadership across the full systems lifecycle while guiding multidisciplinary engineering teams.

Requires SC Clearance to start and DV eligibility.

Location - Berkshire 5 days per week.

Salary – Competitive DoE.

The Role
  • Lead the development, integration and delivery of complex systems across the full lifecycle
  • Provide technical oversight and assurance, ensuring solutions meet stakeholder, safety and security requirements
  • Manage and mentor multidisciplinary engineering teams
  • Own and review requirements, architecture and technical documentation
  • Ensure compliance with relevant industry and engineering standards
  • Extensive experience in systems engineering across the full lifecycle
  • Strong working knowledge of requirements management and modelling tools (e.g. DOORS, UML, SysML, Enterprise Architect)
  • Proven ability to produce and review high-quality technical documentation
  • Demonstrable leadership and team management experience
  • Familiarity with industry standards such as ISO 15288, IEEE and IEC
  • Background in defence, aerospace or other safety- or security-critical sectors
  • Knowledge of security frameworks and standards, including NCSC requirements
Education & Background
  • Degree in Engineering, Mathematics, Physics or a related discipline
  • Significant industry experience delivering complex systems, ideally within secure environments
Additional Requirements
  • Eligibility for DV security clearance
  • Willingness to travel within the UK
  • Full UK driving licence
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Engineering and Other
Industries
  • Defense and Space Manufacturing, Security and Investigations, and Aviation and Aerospace Component Manufacturing

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