Infrastructure Platform Architect

Job Description:

About DXC TechnologyDXC Technology is a Fortune 500 global technology services company delivering mission-critical solutions across more than 130,000 professionals worldwide. With over 40 years' presence in the UK, DXC has recently established its Aerospace and Defence Hub in Farnborough. We deliver enterprise technology solutions that help defence organisations modernise infrastructure, implement cloud platforms, and optimise mission-critical systems.

About the Role The Infrastructure/Platform Architect is a senior technical leadership position responsible for designing, implementing and managing enterprise-scale infrastructure platforms supporting defence and aerospace operations. You will architect complex IT environments, define technology strategies, lead infrastructure modernisation programmes, and ensure alignment with security, compliance and operational requirements. This role requires exceptional technical depth combined with strategic thinking and programme leadership capabilities.

Key Responsibilities Infrastructure Architecture & Strategy Design and define enterprise infrastructure architectures spanning compute, storage, networking and virtualisation platforms

Develop cloud strategy and hybrid infrastructure roadmaps aligned with MOD requirements and defence security standards

Establish infrastructure design patterns, standards and best practices across the organisation

Lead capacity planning, scalability assessments and infrastructure optimisation initiatives

Evaluate emerging technologies and recommend adoption strategies based on business and security requirements

Platform Implementation & Modernisation Lead design and implementation of cloud platforms (AWS, Azure, or private cloud) supporting mission-critical workloads

Architect virtualisation solutions, containerisation strategies and orchestration platforms

Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements

Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives

Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence standards

Technical Leadership & Governance Lead infrastructure technical teams, providing architectural direction and technical mentoring

Establish infrastructure governance frameworks, change control processes and operational standards

Drive technical decision-making through design reviews and architecture boards

Document architecture decisions, design documentation and technical standards

Security, Compliance & Operational Excellence Architect security controls into infrastructure design, including network segmentation, access controls and encryption

Ensure infrastructure compliance with MOD security policy, ITAR regulations and industry standards

Work with security teams to implement infrastructure hardening and vulnerability management

Optimise infrastructure costs, energy efficiency and environmental impact

Support operational readiness, performance monitoring and incident response planning

Customer & Stakeholder Engagement Serve as technical authority for infrastructure discussions with senior customer stakeholders

Present architecture recommendations to customer leadership and defence programme teams

Manage stakeholder expectations and communicate technical concepts to non-technical audiences

Participate in customer design workshops and architecture validation activities

Essential Requirements Security Clearance Must hold or be eligible to obtain Developed Vetting (DV) clearance - Essential
10 years continuous UK residency required for DV eligibility

Experience & Expertise Minimum 12 years' IT infrastructure experience with at least 5 years in an architecture role Proven experience designing and implementing enterprise-scale infrastructure platforms

Strong background in cloud architecture (AWS, Azure, or equivalent) and hybrid infrastructure models

Demonstrated experience with virtualisation, storage and high-availability infrastructure design

Track record of leading infrastructure modernisation programmes and technology transformation

Experience in defence, aerospace or government IT environments

Technical Knowledge Deep expertise in infrastructure architecture patterns and design methodologies

Strong knowledge of cloud platforms (AWS, Azure, or equivalent), including services, scaling and cost optimisation

Extensive experience with virtualisation technologies (VMware, Hyper-V, or KVM)
Proficiency in storage technologies, SAN/NAS architectures and backup/recovery solutions

Strong networking knowledge including SDN, load balancing and network security architectures

Understanding of containerisation, Kubernetes and microservices architectures

Familiarity with MOD security requirements, classification handling and defence contractor compliance

Knowledge of disaster recovery planning, business continuity and high-availability design patterns

Personal Attributes Exceptional strategic…