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Temporary/CasualTechnology

SC Systems Architect

ExperisCorsham, Wiltshire🇬🇧United Kingdom

Why this role stands out

This SC Cleared Systems Architect role offers a fantastic opportunity to shape critical military messaging solutions and drive innovation within a highly reputable organization. If you are a mid-senior level architect with a knack for complex technical challenges and a desire to make a significant impact, this hybrid position with a competitive daily rate is an excellent next step for your career. You'll thrive by leveraging your expertise in secure messaging protocols and multi-domain environments to contribute to vital national defense initiatives.

Quick overview

SeniorityMid Senior
Employment typeTemporary/Casual
Work modeHybrid
LocationCorsham, Wiltshire, United Kingdom
PKI

Job description

Job Title: SC Cleared Systems Architect (Military Messaging Solution)
Location: Corsham
Duration: 12 months
Rate: Up to 500 per day via an approved umbrella company
Must be willing and eligible to go through the SC clearance process

Our Client is hiring for a reputed client to support the UK Strategic Command with expert system architecture, technical assurance, and migration design services for a secure multi-domain Military Messaging Solution (MMS). If you enjoy solving complex technical challenges while keeping governance and security front and centre, this is a role where your architecture decisions genuinely matter.

What you'll be doing:

  • Own technical design accountability for the MMS target architecture and ensure strong architectural governance
  • Develop and assure high-level and low-level designs for secure, multi-domain message routing across distinct security domains
  • Verify system topologies align with standard protocols such as STANAG 4406, STANAG 5066, ACP127, and DOI 103(s)
  • Support information assurance mapping, including security boundaries, cross-domain solutions, guard gateways and PKI token structures to meet defence accreditation needs
  • Lead legacy modernisation and IP migration from synchronous serial infrastructure to IP-routed network environments
  • Create obsolescence roadmaps for legacy cryptographic devices and message switches, including bridging architectures to maintain live service continuity
  • Produce reference architectures for integration with CCEB (5-Eyes) and NATO multi-national messaging gateways
  • Standardise configurations to securely onboard maritime endpoints (including mobile naval units and tactical nodes)
  • Act as an independent technical advisor in project updates, stakeholder workshops, and maintain clear, timely communication

What you'll bring:

  • Strong system architecture experience spanning HLD/LLD, routing and topology assurance
  • Confidence working within MOD-aligned standards and frameworks, including JSP604/453
  • Practical understanding of interoperability engineering and secure integration patterns
  • The ability to communicate architecture decisions clearly to stakeholders and workshops
  • A security-focused mindset, working within OFFICIAL and OFFICIAL-SENSITIVE classifications (with secure access)

If you're SC cleared and ready to lead mission-critical architectural governance and modernisation, apply now and take the next step with a team that values expertise, clarity and delivery.

If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.

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