Lead AWS Cloud Architect

Syntax Consultancy; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading global IT and Digital transformation firm is seeking a Lead AWS Cloud Architect for a 6-month contract based in London and Reading. The ideal candidate will have extensive experience in AWS Cloud architecture within Government regulated sectors, overseeing technical designs and implementation. This hybrid role allows for remote work, requiring only one day per week on-site. The position is set to start in January 2026, with interviews offered by December 19.

Qualifications

• Must have extensive AWS Cloud architecture expertise gained within Government regulated sectors.
• Experience across all phases from design to implementation.
• Acting as the Technical Authority and Design Owner for AWS cloud migration.

Responsibilities

• Defining the end-to-end AWS cloud strategy and Target Architecture.
• Overseeing all technical designs and implementation across AWS infrastructure.
• Shaping Landing Zone architecture and migration planning.

Skills

Extensive AWS Cloud architecture expertise

Experience in Government regulated sectors

Knowledge of AWS Organisations, Control Tower

Deep understanding of networking and security

Job description

Lead AWS Cloud Architect

London / Reading (Hybrid)

6 Month Contract

£600-685 / day (Inside IR35)

Lead AWS Cloud Architect needed with extensive AWS Cloud and proven Government agencies project experience. 6 Month Contract based in London and Reading (Hybrid).

Hybrid Working - 1 day / week working on-site in either London or Reading , and 4 days / week working remotely (WFH).

A chance to work with a leading global IT and Digital transformation business specialising in Government projects.

Starting 1st week in January 2026, and looking to interview / offer by 19 December.

Key skills, experience + tasks will include :

• Must have extensive AWS Cloud architecture expertise gained within Government regulated sectors, and across all phases from design to implementation.
• Acting as the Technical Authority and Design Owner for the AWS cloud migration + modernisation programme.
• Defining the end‑to‑end AWS cloud strategy, Target Architecture (HLD / LLD), shaping Landing Zone architecture, and overseeing all technical designs and implementation across AWS infrastructure, security, identity, networking, migration planning + EUC (Amazon WorkSpaces / Citrix modernisation).

Deep knowledge of AWS Organisations, Control Tower, EUC, Amazon WorkSpaces, IAM, VPC, AppStream, FSLogix, …