Infrastructure Architecture Lead

Undisclosed; Greater London; On-site; GBP 150,000 - 170,000; Full time

Job summary

Undisclosed is seeking an experienced Lead Infrastructure Architect to drive end-to-end architecture across compute, storage, cloud, network and security domains. You will provide technical leadership, governance, and hands-on design guidance for secure, scalable infrastructure solutions aligned with business goals.

The role requires broad cloud, data centre, networking and security expertise, including Zero Trust and observability, with a proven ability to lead multi-disciplinary teams and

Qualifications

• Broad knowledge of cloud platforms, data centres, networking and infrastructure operations.
• Experience with cyber security principles including Zero Trust, identity, segmentation and infrastructure security.
• Ability to translate business requirements into pragmatic technical solutions.

Responsibilities

• Own the infrastructure architecture roadmap and target-state designs.
• Lead architecture activities across compute, storage, cloud, network, workplace and platform services.
• Provide governance for Cyber Security, Network and Monitoring workstreams.
• Ensure solutions meet security, resilience, operational and compliance requirements.
• Define infrastructure standards, patterns and best practices.
• Collaborate with delivery, engineering, security and client stakeholders to drive architectural decisions.
• Review and approve high-level and low-level solution designs.
• Support risk identification, mitigation planning and technical assurance activities.
• Provide leadership to architects and technical SMEs across the programme.

Skills

Cloud platforms

Data centres

Networking

Cyber security

Zero Trust

Monitoring

Leadership

Stakeholder management

Solution architecture

Job description

Duration: Contract to run until 30/01/2027

Rate: up to £678.96 p/d Umbrellainside IR35

Lead the end-to-end infrastructure architecture workstream, ensuring the design and delivery of secure, resilient, scalable, and operationally supportable infrastructure solutions. The role provides architectural leadership across infrastructure, network, cyber security, and monitoring domains while aligning solutions to business and technology objectives.

Key Responsibilities

• Own the infrastructure architecture roadmap and target-state designs.
• Lead architecture activities across compute, storage, cloud, network, workplace, and platform services.
• Provide oversight and governance for Cyber Security, Network, and Monitoring workstreams.
• Ensure solutions meet security, resilience, operational, and compliance requirements.
• Define infrastructure standards, patterns, and best practices.
• Work closely with delivery, engineering, security, and client stakeholders to drive architectural decisions.
• Review and approve high-level and low-level solution designs.
• Support risk identification, mitigation planning, and technical assurance activities.
• Provide leadership to architects and technical SMEs across the programme.
• Required Skills & Experience
• Broad knowledge of cloud platforms, data centres, networking, and infrastructure operations.
• Experience of cyber security principles including Zero Trust, identity, segmentation, and infrastructure security.
• Understanding of monitoring, observability, event management, and operational tooling.
• Experience leading multi-disciplinary technical teams and complex transformation programmes.
• Strong stakeholder management and communication skills.
• Ability to translate business requirements into pragmatic technical solutions.

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!