Solutions Architect - Defence Systems
Location: London, Bristol, Reading or Southampton
Salary: £65,000 - £110,000 cash package
Clearance: Active SC clearance required | DV clearance highly desirable
Working Pattern: Hybrid
We are working with a leading consultancy delivering major technology and transformation programmes across the UK Defence sector. They are looking for experienced Systems Architects to help design, integrate and deliver complex systems that support critical Defence transformation initiatives.
This is an opportunity to work closely with senior stakeholders, technical teams and client-side decision makers, taking ownership of system architecture across complex enterprise environments. You will play a key role in shaping technical design, defining system specifications and ensuring solutions are secure, scalable, resilient and aligned to wider programme objectives.
The role
As a Systems Architect, you will be responsible for leading the design and architecture of systems and components within larger Defence transformation programmes. You will translate high-level solution designs into detailed technical architectures, covering areas such as component design, interface specifications, data flows, integration patterns and technical governance.
You will also work closely with solution architects, engineering teams and client stakeholders to ensure systems are delivered effectively, integrated seamlessly and designed to meet demanding performance, security and resilience requirements.
Key responsibilities
You will be involved in:
Designing and delivering system architectures for complex Defence programmes.
Defining system specifications, interface control documents, data models and detailed technical designs.
Translating high-level solution designs into practical, deliverable system architectures.
Assessing existing systems, identifying technical gaps and recommending architectural improvements.
Providing technical leadership to development, engineering and delivery teams.
Managing technical workstreams or smaller projects focused on system design, integration and implementation.
Supporting architecture governance, assurance and technical standards.
Building trusted relationships with client stakeholders as a credible technical advisor.
Mentoring and supporting junior team members.
What we're looking for
You will need:
Active SC clearance .
Strong experience in systems architecture, design and integration within complex enterprise environments.
Experience working across Defence, Government, secure or highly regulated environments.
Ability to translate solution designs into detailed technical architectures, including interfaces, components and data flows.
Technical knowledge across systems such as ERP, COTS platforms, bespoke applications, data platforms or similar.
Understanding of integration patterns, such as APIs, message queues and system-to-system data exchange.
Strong knowledge of system performance, scalability, security and resilience.
Experience defining technical standards, governance and assurance processes.
Excellent stakeholder management and communication skills.
Experience leading technical workstreams or small project teams.
A relevant technical degree or equivalent professional experience.
Desirable experience
It would be beneficial to have:
Active DV clearance .
Knowledge of Defence architecture frameworks such as MODAF .
Experience with cloud-native architectures, microservices or containerisation.
TOGAF or other enterprise architecture certifications.
Experience with secure system design or cybersecurity principles.
Experience contributing to bids, proposals or technical transformation opportunities.
Understanding of project and programme delivery disciplines.
Why apply?
This is a high-impact role where you will work on meaningful Defence transformation programmes, helping shape the systems and technology that support national security outcomes. You will be joining a highly experienced technology team with access to complex, challenging and rewarding client work, as well as strong opportunities for development and progression.
The role can be based from London, Bristol, Reading or Southampton , with hybrid working available depending on programme requirements.
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