Senior Solution Architect – Defence Secure Networks (SC)

CBSbutler Holdings Limited trading as CBSbutler; Corsham; Hybrid; GBP 77,000 - 129,000; Full time

Job summary

CBSbutler Holdings Limited trading as CBSbutler is seeking a senior Solution Architect for a Defence programme in Corsham. The role leads design across secure networks, interoperability, and information governance, with emphasis on architecture development and risk management.

The successful candidate will translate complex operational requirements into robust, secure technical solutions, coordinating across security specialists and programme leadership to deliver validated designs and

Qualifications

• 5+ years' experience in Solution Architecture across complex infrastructure, networking or secure information systems.
• Proven experience delivering enterprise-scale technical solutions from concept through implementation and transition.
• Strong HLD/LLD and architectural documentation experience.
• Experience designing secure solutions within Defence, Government, NATO or other highly regulated environments.
• Strong understanding of interoperability architectures and federation of information sharing.
• Experience across multiple security domains with Data Centric Security concepts.
• Experience with IAM/FIAM, RBAC and PKI.
• Excellent stakeholder management and communication skills.
• Active SC clearance and willingness to undergo DV clearance.

Responsibilities

• Lead the development of High-Level Designs (HLDs) and Low-Level Designs (LLDs) and architectural roadmaps.
• Define secure solution architectures for information exchange and policy-based information control.
• Design solutions incorporating FIAM, IAM, PKI and data-centric security.
• Ensure architectural compliance with Defence standards and interoperability requirements.
• Support technology selection, integration planning and design assurance.
• Provide architectural governance across design, build, integration, testing and transition.
• Conduct architecture and technical risk assessments.
• Collaborate with engineering teams to ensure designs are implemented successfully.
• Support interoperability testing, validation and stakeholder demonstrations.
• Produce and maintain architecture documentation and reference architectures.

Skills

Solution architecture

HLD/LLD documentation

Security architecture

Interoperability

Stakeholder management

Tools

Jira

Confluence

Job description

CBSbutler Holdings Limited trading as CBSbutler is seeking a senior Solution Architect for a Defence programme in Corsham. The role leads design across secure networks, interoperability, and information governance, with emphasis on architecture development and risk management.

The successful candidate will translate complex operational requirements into robust, secure technical solutions, coordinating across security specialists and programme leadership to deliver validated designs and