Solution Architect

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

Solution Architect - Defence / Secure Networks

Location: Corsham / Hybrid
Rate: Up to 700 inside IR35
Contract: 6 months initially, with a likely extension
Clearance: Active SC required, with willingness to undergo DV

We are seeking an experienced Solution Architect to join a high-profile Defence programme, providing architectural leadership across the design, integration, validation and transition of secure, mission-critical networking and interoperability capabilities.

This is a senior architecture role working across technical teams, security specialists, stakeholders and programme leadership to translate complex operational and interoperability requirements into robust, secure technical solutions.

Key Responsibilities

• Lead the development of High-Level Designs (HLDs), Low-Level Designs (LLDs), architectural assessments and technical roadmaps.
• Define secure solution architectures supporting information exchange, interoperability, metadata-based information handling and policy-based information control.
• Design solutions incorporating Federated Identity and Access Management (FIAM), IAM, PKI, trust frameworks and Data Centric Security.
• Ensure architectural compliance with Defence standards, security policies and interoperability requirements.
• Support technology selection, integration planning and technical design assurance.
• Provide architectural governance throughout design, build, integration, testing and transition.
• Conduct technical risk assessments and architecture reviews.
• Work closely with engineering teams to ensure designs are successfully implemented.
• Support interoperability testing, validation and stakeholder demonstrations.
• Produce and maintain architecture documentation, technical reports and reference architectures.

Essential Experience

• 5+ years' experience in Solution Architecture, ideally across complex infrastructure, networking, interoperability 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, federation and coalition information sharing.
• Experience designing solutions across multiple security domains.
• Knowledge of Data Centric Security, policy-based information control and metadata-based handling.
• Strong experience with IAM/FIAM, RBAC and PKI.
• Experience conducting architecture assessments, technical risk assessments and technology evaluations.
• Excellent stakeholder management and communication skills.
• Active SC clearance and willingness to undergo DV clearance.

Desirable

• Defence Digital / MOD / NATO experience.
• Experience with Federation Mission Networking (FMN) or coalition interoperability programmes.
• Knowledge of FMN Spiral 6, Data Centric Interoperability (DCI) or similar capabilities.
• Experience with secure accredited solutions.
• Knowledge of Zero Trust and Secure by Design.
• Experience with virtualised, cloud or hybrid infrastructure.
• Security accreditation experience.
• Agile/SAFe and Waterfall delivery experience.
• Jira and Confluence experience.
• TOGAF, BCS, CISSP, SABSA or equivalent certification.