Engineering

Systems Engineer (SC Clearance minimum)

  • Location

    Wiltshire

  • Sector:

    Defence, Cloud, Infrastructure & Support

  • Job type:

    Contract

  • Salary:

    £500 - £600 per day + Outside IR35 and Hybrid

  • Contact:

    Mason Simmonds

  • Contact email:

    m.simmonds@ioassociates.co.uk

  • Job ref:

    BBBH170593_1764341860

  • Duration:

    3 Months

  • Startdate:

    Mid-January 2026 latest.

  • Consultant:

    Mason Simmonds

Role: Systems Engineer
Location: Corsham 3 Days per week
Clearance: SC Clearance (bare minimum)
Contract: 3 Months
Rate: £500 to £600 Outside IR35 or £80,000 per annum (if wanting to be full-time)
Start Date: ASAP

iO Associates are seeking an experienced SC Cleared Systems Engineer to support secure IT programmes of national importance. This role covers the full lifecycle - from requirements analysis through to design, testing, and validation - in a dynamic, client-facing consultancy environment.

What you'll do

  • Work with stakeholders to define and manage clear, testable requirements.

  • Shape delivery strategies, produce architecture models, and technical designs.

  • Develop and execute test and integration plans.

  • Support delivery across multiple project stages.

  • Mentor junior engineers and contribute to practice development.

What you'll bring

  • Strong background in requirements management and verification/validation.

  • Knowledge of MBSE (ArchiMate, UML, SysML) and requirements tools (e.g. DOORS).

  • Excellent communication and stakeholder engagement skills.

Desirable: Cyber, secure system design, MOD frameworks, Agile experience, consultancy background.

If you're interested, please respond ASAP as I'll be going through CVS in order of receipt.

Role: Systems Engineer
Location: Corsham 3 Days per week
Clearance: SC Clearance (bare minimum)
Contract: 3 Months
Rate: £500 to £600 Outside IR35 or £80,000 per annum (if wanting to be full-time)
Start Date: ASAP