Senior System Engineer

Randstad · Denham, England ·

Last confirmed by our partners on 23 Oct 2026.

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Overview

We’re looking for an experienced Principal or Senior Systems Engineer to play a key role in delivering complex engineering solutions across a range of high-impact projects. You'll take technical ownership of key systems engineering activities, lead multidisciplinary teams, and drive the delivery of innovative solutions that meet our clients’ mission-critical needs.

Responsibilities

  • Lead the definition, development, and delivery of complex system solutions across the full engineering life cycle.
  • Own complete work packages, ensuring successful delivery within agreed timelines, budgets, and quality standards.
  • Develop system architectures, define technical requirements, and lead trade-off and impact analysis to guide decision-making.
  • Produce and review core systems engineering documentation, including requirement specifications, interface definitions, and verification strategies.
  • Plan and execute design reviews, working collaboratively with internal stakeholders and external partners.
  • Support the integration, verification, and validation of system components, ensuring they meet performance and compliance requirements.
  • Contribute to bids and proposals by estimating effort, preparing technical responses, and developing system concepts.
  • Act as a technical mentor, supporting the growth of junior engineers and promoting best practices in systems engineering.

Required Skills & Experience

  • Proven track record in systems engineering, ideally within defence, aerospace, transport, or related sectors.
  • Strong background in systems engineering methodologies such as the V-model, MBSE, or Agile systems development.
  • Proficient in requirements management and systems architecture development.
  • Experience working across multidisciplinary teams and engaging with stakeholders at all levels.
  • Excellent documentation and presentation skills.
  • Familiar with tools such as IBM DOORS, Enterprise Architect, and modelling languages like SysML or UML.

Desirable Qualifications

  • Bachelor's degree or higher in Engineering, Physics, Computer Science, or a related technical discipline.
  • INCOSE ASEP/CSEP certification or equivalent systems engineering accreditation.
  • Experience with system integration, verification, and validation within a regulated environment
  • Exposure to safety-critical or secure systems is a plus.
  • Generous 9% Non-Contributory Pension Scheme
  • Comprehensive Healthcare Plan
  • Annual Leave Entitlement
  • Additional Holiday Purchase Scheme
  • Occupational Health Services
  • Cycle to Work Scheme
  • Workplace Nursery Benefit
  • Employee Discounts Platform

Seniority level

  • Mid-Senior level

Employment type

  • Full-time

Job function

  • Information Technology
  • Industries
  • IT System Testing and Evaluation

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