Senior Solution Architect

£65,000 to £85,000

The Solution Architect supports the design, integration and delivery of secure digital solutions for customers across defence, government and critical national infrastructure. The role translates customer needs, business requirements, operational constraints and security obligations into coherent technical solutions. Work may span secure information exchange, cross-domain solutions, cloud services, communications, data integration, cyber security, enterprise platforms and high-assurance environments.

The postholder works closely with senior architects, engineers, security specialists, consultants, project managers, product teams and customer stakeholders.

Solution Architecture:

· Support development of end-to-end solution architectures.

· Translate customer, operational and business requirements into technical designs.

· Produce architecture views, diagrams, specifications and decision records.

· Define solution boundaries, interfaces, dependencies and deployment contexts.

· Contribute to current-state, target-state and transition architectures.

· Ensure alignment with Nexor architecture principles, security standards and delivery methods.

Produce and maintain:

· High-Level Designs

· Solution descriptions

· Interface specifications

· Data-flow diagrams

· Deployment views

· Integration patterns

· Architecture decision records

· Support Low-Level Design development with engineering teams.

Ensure designs remain secure, practical, testable, supportable and commercially viable.

Secure Information Exchange:

· Support architecture of solutions controlling information movement across networks, systems and security domains.

· Define secure data flows, trust boundaries, policy enforcement points and integration interfaces.

· Contribute to secure gateway, cross-domain and information exchange solution design.

· Support assessment of confidentiality, integrity, availability and provenance requirements.

· Work with security specialists to ensure proportionate control selection and assurance.

Systems Integration:

· Support integration of software, hardware, network, cloud and data components.

· Define interfaces between Nexor products, customer systems and third-party services.

· Assist with resolution of technical integration issues.

· Support interoperability testing, technical validation and acceptance activity.

· Maintain awareness of technical dependencies and integration risks.

· Support definition of data flows, service boundaries and information-exchange requirements.

· Promote open standards, modular design and reusable integration patterns.

Security and Resilience:

· Incorporate security, resilience and availability requirements into solution designs.

· Apply secure-by-design, least-privilege and defence-in-depth principles.

· Work with cyber assurance and security architecture colleagues to address technical risks.

· Contribute to threat, risk and assurance reviews.

· Support compliance with customer, contractual and regulatory security requirements.

· Ensure suitable consideration of recoverability, continuity and operational resilience.

Technical Governance:

· Prepare architecture artefacts for design reviews and governance forums.

· Support Technical Design Authority and Architecture Review Board activity.

· Record assumptions, risks, dependencies and technical decisions.

· Review supplier or partner designs under senior guidance.

· Track actions arising from architecture and technical assurance reviews.

Customer Engagement:

Work with:

· Customer technical teams

· Senior architects

· Security specialists

· Software and platform engineers

· Product managers

· Project and delivery managers

· Sales and business development colleagues

· Technology partners