Lead Cloud Architect (AWS)

Hi all,

Greetings from Mastek!

📍 Location: London ( Hybrid role)

🔐 Eligibility: Security Clearance

🚀 We’re Hiring: Lead Cloud Architect (AWS) | Onshore | Public Sector Programme

Are you a seasoned Cloud Architect with a passion for leading large-scale AWS transformation programmes? We’re looking for a Lead Cloud Architect to drive end-to-end cloud migration and modernisation across complex, high-impact public sector environments.

🔍 What you’ll be doing:

• Own and define the cloud strategy and architecture roadmap
• Lead the design of a secure AWS Landing Zone (multi-account, governance, security)
• Provide technical leadership across discovery, migration, and BAU transition
• Drive architecture across AWS infrastructure, security, identity, networking, and EUC (WorkSpaces/Citrix)
• Oversee migration execution, pilot workloads, and cutover governance
• Ensure alignment with CIS, NCSC, Cyber Essentials, and public sector standards

💡 What we’re looking for:

• 10+ years in cloud architecture (5+ years AWS in regulated environments)
• Deep expertise in AWS (Control Tower, IAM, VPC, WorkSpaces, MGN, KMS, GuardDuty)
• Strong experience in Landing Zones, migration strategies, and governance frameworks
• Knowledge of EUC modernisation (WorkSpaces / Citrix, FSLogix)
• Proven leadership in stakeholder engagement and technical governance

Why Join Mastek: Make a Difference That Matters

Mastek is a purpose‐driven organisation where the work you do makes a real difference, particularly across the public and health sectors. You’ll have the opportunity to work on complex, meaningful programmes that impact communities and improve public services.

We offer a collaborative and supportive working environment that encourages innovation, learning, and professional growth. At Mastek, people are trusted to contribute ideas, challenge thinking, and work together to deliver the best outcomes.

We value diversity and believe that different experiences, backgrounds, and perspectives lead to better solutions. Even if you don’t meet every requirement, we encourage you to apply — your skills and experiences may be exactly what we are looking for.

Mastek is an equal opportunities employer and is committed to building an inclusive and diverse workforce. We welcome applications from all suitably qualified candidates, regardless of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, or sexual orientation. If you require any reasonable adjustments or additional support during the recruitment process, please let us know.

📩 Interested?

If this sounds like the right opportunity for you, feel free to reach out or apply directly. Referrals are also welcome — please share this role within your network!

Cheers,

Priyanka