Platform Architect - SC + NPPV3 Cleared

Whitehall Resources Limited; United States; Remote; GBP 90,000 - 120,000; Full time

Job summary

Whitehall Resources Limited is seeking a Platform Architect with active SC and NPPV3 clearance for a remote, 12-month contract. You will lead the design of scalable AWS platforms, enforce security controls, and guide engineering teams.

This role requires hands-on leadership in cloud governance, IaC adoption, and cost optimisation. You will collaborate with product owners and delivery managers to ensure compliant, resilient cloud solutions across environments, while staying updated with AWS

Qualifications

• Active SC and NPPV3 clearance is required.
• Experience designing scalable, secure cloud architectures on AWS.

Responsibilities

• Design scalable, secure, highly available architectures using AWS services such as EC2, Lambda, S3, RDS, DynamoDB, IAM, VPC, and CloudFront.
• Select AWS services based on business requirements, performance needs, and cost considerations.
• Define and enforce cloud architecture best practices, patterns, and standards.

Skills

AWS Cloud

Architectural Leadership

Security & Compliance

IaC

Cost Optimisation

Serverless

Microservices

Monitoring & Alignment

Stakeholder Engagement

Tools

Terraform

CloudFormation

AWS CDK

Job description

Whitehall Resources are currently looking for a Platform Architect - SC + NPPV3 Cleared on a Remote basis for an initial 12 month contract.

*** MUST HOLD ACTIVE SC AND NPPV3 CLEARANCE ***

*** INSIDE IR35 ***

Job Description:

• Design scalable, secure, and highly available architectures using AWS services such as EC2,
• Lambda, S3, RDS, DynamoDB, IAM, VPC, and CloudFront.
• Select appropriate AWS services based on business requirements, performance needs, and
• cost considerations.

Architecture Governance & Standards:

• Define and enforce cloud architecture best practices, patterns, and standards.
• Ensure solutions adhere to security frameworks, compliance rules, IAM principles, and AWS
• Well Architected Framework guidelines.

Technical Leadership:

• Provide technical direction to engineering teams, developers, DevOps engineers, and data
• specialists.
• Review solution designs, perform architectural assurance, and guide teams through

Security & Compliance:

• Implement security controls including IAM policies, encryption, network segmentation,
• monitoring, and threat detection.
• Ensure compliance with regulatory requirements (e.g., GDPR, ISO27001, PCI DSS) through AWS-native tools and architectural controls.

Infrastructure as Code (IaC):

• Lead the adoption of IaC using tools like Terraform, CloudFormation, or CDK.
• Standardize reusable templates and modules for consistent and repeatable deployments across environments.

Performance & Cost Optimisation:

• Monitor workloads using tools like CloudWatch, Trusted Advisor, and Cost Explorer.
• Optimise infrastructure for performance, reliability, cost efficiency and operational excellence.
• Define migration strategies including rehosting, refactoring, re-platforming, and
• containerisation.
• Design modern architectures involving microservices, serverless, APIs, and event driven patterns.

Stakeholder Engagement:

• Act as the technical counterpart to product owners, business stakeholders, and delivery
• managers.
• Communicate complex cloud concepts in clear, non technical language when needed.
• Provide advanced support for complex issues across application, infrastructure, and integration layers.
• Lead root cause analysis for high priority incidents involving AWS workloads.
• Stay current with new AWS services and architectural trends.
• Identify opportunities to modernise, automate, simplify, or improve existing cloud environments