AWS Cloud Lead/Architect(SC Cleared)

We have one open position of AWS Cloud Lead/Architect with one of our client based at London/Reading, UK. This is a Contract position with our client. Below is the job description for your reference. Please share your application once you are interested.

Role: AWS Cloud Lead/Architect(SC Cleared)

Location: London/Reading, UK

Mode: Contract

Job Description:

The Lead Cloud Architect is the technical authority and design owner for cloud migration and modernisation programme. They are accountable for defining the end-to-end cloud strategy, shaping the Landing Zone architecture, and overseeing all technical designs and implementation across AWS infrastructure, security, identity, networking, migration planning, and EUC (Amazon WorkSpaces/Citrix modernisation).

This role ensures that all architectural decisions are aligned to the functional, non-functional, financial, and security requirements, including resilience, Conditional Access, CIS/NCSC compliance, and cost efficiency. The Lead Architect provides technical governance across all phases: Discovery, Strategy & Design, Landing Zone Build, Amazon WorkSpaces deployment, Pilot & Full Migration, and BAU transition.

Key Responsibilities

1. Architectural Leadership & Technical Governance

  • Act as the overall technical design authority, ensuring cohesion across all workstreams.
  • Lead workshops with SMEs to validate requirements.
  • Own and maintain the Cloud Architecture Blueprint.
  • Conduct architecture assurance across offshore and onshore teams.
  • Chair and drive the Technical Design Authority (TDA) process.

2. Discovery, Assessment & Cloud Strategy

  • Lead and validate discovery findings.
  • Develop Target Architecture and Migration Roadmap.
  • Produce cloud adoption strategy aligned to public-sector frameworks.

3. Landing Zone Design & Governance Controls

  • Design secure multi-account AWS Landing Zone.
  • Define SCP guardrails, IAM role model, logging, monitoring, KMS strategy.
  • Ensure compliance with CIS, NCSC, Cyber Essentials.
  • Oversee network segmentation, VPC connectivity, and DR patterns.

4. EUC & Amazon WorkSpaces/Citrix Modernisation Design

  • Lead architecture for virtual desktop estate.
  • Oversee FSLogix, conditional access, MFA, RBAC.
  • Provide technical assurance during UAT and rollout.

5. Migration Planning & Execution Governance

  • Own migration architecture, runbooks, and cutover plans.
  • Select pilot workloads and define success criteria.
  • Oversee AWS MGN/CloudEndure migrations.
  • Provide technical escalation during cutovers.

6. Security, Identity & Compliance Assurance

  • Ensure encryption, MFA, identity federation, patching, and threat detection.
  • Embed compliance into solution design.
  • Oversee security engineer deliverables.

7. Operational Readiness, Hypercare & BAU Transition

  • Define operational model, dashboards, alerting rules.
  • Lead defect triage and tuning during hypercare.
  • Shape steady-state governance and FinOps optimisation.

Key Deliverables

  • Cloud Adoption Strategy
  • Target Architecture (HLD/LLD)
  • Landing Zone Architecture Pack
  • Detailed Implementation Plan
  • EUC/WorkSpaces/Citrix design
  • Migration Strategy & Runbooks
  • Security & Compliance Architecture
  • Operational Readiness & Handover Packs

Required Skills & Experience

  • 10+ years cloud architecture; 5+ years AWS in regulated sectors.
  • Deep knowledge of: AWS Organisations, Control Tower, IAM, VPC, WorkSpaces, AppStream, FSLogix, AWS MGN, Terraform/CloudFormation, KMS, GuardDuty, CloudTrail, Entra ID.
  • Strong stakeholder communication.
  • Experience defining governance, stage-gate assurance.

Soft Skills

  • Strong communicator
  • Structured thinker
  • Risk-focused
  • Delivery-oriented

Preferred Certifications

  • AWS Solutions Architect - Professional
  • AWS Security Specialty
  • AWS Networking Specialty
  • ITIL

Recruiter Email: nitinsharma@thriveitsystems.com

Job Details

Company
Thrive IT Systems
Location
London, UK
Employment Type
Full-time
Posted