Infrastructure/Platform Architect

Job Description
hackajob is collaborating with DXC Technology to connect them with exceptional professionals for this role.

Make your application after reading the following skill and qualification requirements for this position.

Job Description:

About DXC Technology

DXC 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 thinking combined with strong technical depth

Excellent communication and presentation skills - able to explain complex architecture to diverse audiences

Strong problem-solving and analytical capabilities

Proven ability to lead and influence technical teams and senior stakeholders

Commitment to security and compliance excellence

Desirable Requirements

Previous DV clearance or SC clearance

Experience with aerospace and defence IT programmes

AWS Solutions Architect, Azure Solutions Architect or equivalent cloud certification

TOGAF certification or Enterprise Architecture experience

Experience with infrastructure-as-code and DevOps practices

Knowledge of ITAR compliance and export control regulations

What We Offer

Highly competitive salary and benefits package

Enhanced pension scheme

Private medical insurance and comprehensive health benefits

Flexible working arrangements

Professional development and training support

Opportunity to architect mission-critical infrastructure for world-class defence organisations

Application Process & Security Vetting

Applicants should be aware that:

An offer of employment is subject to satisfactory completion of background checks (BPSS) and security vetting

DV clearance is essential and must be obtained prior to commencing work

The DV process typically takes 6-9 months

Applicants must demonstrate 10 years continuous UK residency

Equal Opportunities

DXC Technology is an equal opportunities employer committed to building diverse, inclusive teams. We welcome applications from all backgrounds.

Document Version: 1.0 | Last Updated: July 2026

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. xcunqrw More information on employment scams is available here.