Enterprise Architect

Sanderson Government & Defence; Corsham; On-site; GBP 138,000 - 157,000; Part time

Job summary

Sanderson Government & Defence is seeking an experienced Enterprise Architect for a role based in Corsham, UK, on-site two days a week. The position requires active SC clearance and a strong Defence sector background to define and drive enterprise architecture strategies across critical national programmes.

The successful candidate will lead architecture governance, shape target architectures, and ensure alignment with security and operational needs while collaborating with senior government and

Qualifications

• Proven experience as an Enterprise Architect in defence, national security, or government sectors.
• Strong understanding of TOGAF.
• Experience shaping architecture for complex, multi-supplier, highly regulated environments.
• Active SC Clearance is essential.
• Experience with cloud technologies and modern enterprise platforms.

Responsibilities

• Develop enterprise architecture strategies, target architectures, and transformation roadmaps.
• Provide architectural leadership across business, data, applications, infrastructure, and security domains.
• Support the delivery of large-scale defence and government transformation programmes.
• Ensure solutions align with government standards, security requirements, and operational needs.
• Collaborate with senior defence, government, delivery, and technical stakeholders.
• Lead architecture governance, design authority activities, and technical assurance reviews.
• Drive adoption of cloud, digital, and emerging technologies within secure environments.
• Assess and manage architectural risks, dependencies, and opportunities across programmes.

Skills

Enterprise Architect

TOGAF

Stakeholder engagement

Cloud technologies

Security principles

Job description

Enterprise Architect
2 days a week on-site in Corsham
£750-£850 inside IR35
Requires Active SC Clearance with sole UK nationality

The Role

We're supporting a major government and defence programme and are seeking an experienced Enterprise Architect with a strong background in the UK Defence sector. This role is ideally suited to someone who has experience operating within secure government, defence, or national security environments and can successfully navigate complex stakeholder landscapes and large-scale transformation programmes.

You will be responsible for defining and driving enterprise-wide architecture strategies across critical national programmes, ensuring technology, business, security, and operational objectives remain aligned.

Key Responsibilities

• Develop enterprise architecture strategies, target architectures, and transformation road-maps.
• Provide architectural leadership across business, data, applications, infrastructure, and security domains.
• Support the delivery of large-scale defence and government transformation programmes.
• Ensure solutions align with government standards, security requirements, and operational needs.
• Collaborate with senior defence, government, delivery, and technical stakeholders.
• Lead architecture governance, design authority activities, and technical assurance reviews.
• Drive adoption of cloud, digital, and emerging technologies within secure environments.
• Assess and manage architectural risks, dependencies, and opportunities across programmes.

Essential Experience

• Proven experience as an Enterprise Architect within the defence, national security, or government sectors.
• Strong understanding of enterprise architecture frameworks such as TOGAF.
• Experience shaping architecture for complex, multi-supplier, highly regulated environments.
• Knowledge of secure-by-design principles and working within high-assurance environments.
• Experience developing strategic road-maps, target operating models, and capability frameworks.
• Strong stakeholder engagement skills, with experience influencing senior leaders across government and defence.
• Understanding of cloud technologies, digital transformation, and modern enterprise platforms.
• Active SC Clearance is essential.

Desirable Experience

• Experience supporting defence, military, or national security programmes.
• TOGAF or equivalent architecture certification.
• Exposure to government security standards and assurance processes.
• Experience working on important transformation programmes.
• Eligibility for, or previous experience holding, DV clearance.

To learn more, please do reach out to Jess Walrond at Sanderson Government and Defence at [e-mail]

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

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