IT & Software

Cloud Architect

Sanderson Government & Defence

London · England · United Kingdom

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Talent Solutions Partner | National Security & Central Government

Are you an experienced Cloud Architect with technical knowledge of migrations? Are you looking for a change of pace and the opportunity to work in a sector that is critical to the safety of millions or people across the country?

Sanderson G&D are collaborating with a leading UK-based organisation seeking talented Cloud Architects across grades to support Secure Government customers across National Security . In this role, you’ll help modernise legacy systems and design robust, scalable cloud infrastructure for mission-critical services - all while gaining full security clearances to work in an impactful sector.

Location: London, on-site

Grade: Junior-Senior

Key Responsibilities

Collaborate with the client’s Solution Architect to design and implement innovative, cloud-first solutions
Provide hands-on technical leadership through proof-of-concept builds and implementation efforts
Shape, evolve, and document overall architecture while guiding the transition from legacy platforms to cloud-native services
Engage with cross-functional stakeholders to translate complex business needs into technical design and delivery
Advise on emerging technologies and best practices to drive continual improvement
Proven hands‑on experience working in AWS environments, with a strong systems engineering background on Linux
Comfortable switching between solution design, coding (especially infrastructure-as-code), and client engagement
Demonstrated ability to deliver high availability, scalable, and performance‑focused systems
Excellent collaboration, communication, and organisation skills, with the adaptability to work effectively in a fast-changing, Agile environment
Self-starter attitude with strong attention to detail, energy, tenacity, and ability to perform under pressure
Exposure to DevOps practices and tooling (AI/ML, ElasticSearch, Big Data) is a plus

Security Clearance Requirements

Due to the nature of the work, candidates must be eligible for national security clearance . To meet this requirement, applicants must:

Be sole British citizens (dual nationality is not permitted)
Have not spent more than 30 consecutive days outside the UK in the past 10 years
Have no criminal record
Have no significant financial irregularities (e.g. bankruptcy, outstanding debt issues)

Unfortunately, candidates who do not meet these criteria cannot be considered for this position.

Why You’ll Enjoy Working Here

Competitive salary and benefits, including pension scheme, private health cover, gym membership, childcare vouchers, and access to exclusive discounts
A commitment to your personal and professional development with structured progression opportunities and regular pay reviews
Inclusive, diverse working culture with a strong focus on innovation, wellbeing, and delivering real-world impact

Apply via Sanderson to join a highly impactful cloud transformation programme in a secure and dynamic technical environment.

Sanderson works exclusively in partnership with the client; all applications are handled in strict confidence.

Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time

Job function

Job function
Information Technology and Consulting
Industries
IT Services and IT Consulting and IT System Design Services

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