Security Cleared Solution Architect

Role: Solution Architect - Defence & Cloud Systems

We are seeking an experienced Solution Architect to join a dynamic and forward-thinking technology consultancy. This role is ideal for someone who thrives in complex, secure environments and enjoys applying systems thinking to deliver innovative, scalable solutions across defence, national security, and enterprise domains.

As a Solution Architect, you will play a pivotal role in leading the design, integration, and delivery of technical solutions. You'll work closely with clients and internal teams to understand requirements, define architectures, and guide implementation through the full lifecycle-from concept to acceptance.

Key Responsibilities

• Client Engagement & Technical Leadership
  Understand client requirements and pain points, provide Subject Matter Expertise (SME), and apply best practice systems thinking to develop effective solutions.

• Architecture Design & Documentation
  Define and model "As-Is" and "To-Be" states of services, systems, and enterprises. Produce High-Level Designs (HLDs) and Low-Level Designs (LLDs) that align with business and technical goals.

• Requirements Management
  Elicit, document, and manage user, service, and system requirements throughout the programme lifecycle. Define measures of effectiveness, performance, and acceptance criteria.

• Solution Options Analysis
  Lead technical options analysis, presenting viable solutions that meet requirements at both threshold and objective levels.

• Testing & Validation
  Develop overarching test strategies and plans. Generate test scripts and lead verification, validation, and acceptance activities with stakeholders.

• Team Leadership & Collaboration
  Manage technical teams of architects and integrators. Foster collaboration across disciplines to ensure cohesive and high-quality delivery.

• Stakeholder Communication
  Present complex technical information clearly to both technical and non-technical audiences. Build trust and maintain strong relationships with stakeholders.

Technical Skills & Experience

Essential Skills

• Proven experience in systems engineering and solution architecture
• Strong background in requirements management, including use cases and user stories
• Expertise in producing HLDs, LLDs, and other design artefacts
• Experience with test strategy, evaluation, and acceptance planning
• Familiarity with verification & validation processes

Architecture Modelling

• Proficiency in industry frameworks such as TOGAF, ArchiMate, and UML
• Experience in enterprise architecture and solution architecture modelling

Domain Knowledge

• Minimum 7+ years' experience as a Solution Architect
• Experience with Defence ICT systems, including secure cloud hosting environments
• Understanding of Geospatial Information Systems (GIS) and geospatial technologies
• Knowledge of cloud platforms (Azure, AWS), virtualisation, and AI technologies
• Experience with containerisation and orchestration tools (e.g., Docker, Kubernetes)
• Familiarity with Scaled Agile Framework (SAFe) delivery methodologies

Qualifications & Clearance

• Bachelor's degree in Computer Science, Engineering, Information Systems, or equivalent experience
• Relevant professional certifications (e.g., TOGAF, AWS/Azure Architect)
• Active SC clearance or higher is required
• Must be a UK national

What's on Offer

• Competitive salary and performance-based bonus
• Generous pension scheme and life assurance
• 25 days annual leave plus additional leave for military reservists and volunteering
• Private healthcare via
• Flexible working arrangements - remote or office-based
• Access to the latest secure technologies
• Investment in personal development and career progression
• Relocation bonus available for graduates

To find out more about Computer Futures please visit (url removed)

Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales