Systems Engineer – SC

Company: iO Associates
Apply for the Systems Engineer – SC
Location: Portsmouth
Job Description:

Base pay range

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Location: Portsmouth (On-site)Rate: £55 per hourContract Length: 6 months (likely extension/conversion)Security Clearance: SC Clearance required – British Eyes Only

Overview

An established UK engineering organisation is seeking an experienced Systems Engineer to support current and upcoming programmes within a secure environment. This role sits within a highly technical systems engineering function and offers the opportunity to work on complex, mission-critical projects. There is potential for the role to transition into a permanent position.

Key Responsibilities

  • Support systems engineering activities across the full lifecycle.
  • Apply Model-Based Systems Engineering (MBSE) principles to complex systems.
  • Contribute to enterprise architecture and system-level design decisions.
  • Work with stakeholders to ensure system requirements are clearly defined and met.
  • Provide “big picture” systems view across integrated platforms.
  • Support current workload and future programme demands.
  • Proven experience as a Systems Engineer in a regulated or defence environment
  • Strong working knowledge of Model-Based Systems Engineering (MBSE)
  • Experience with Enterprise Architecture approaches (preferred)
  • Good understanding of MILSATCOM infrastructure and architecture
  • Ability to work effectively within secure, classified programmes.
  • Degree (or equivalent) in Engineering or a related discipline

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Posted: April 11th, 2026