Infrastructure TDA

Salary: £40,000 - 70,000 per year

Requirements:

• Experience in enterprise infrastructure engineering
• Experience in infrastructure architecture or Technical Design Authority responsibilities
• Experience with infrastructure governance and technical assurance
• Experience with Azure infrastructure and cloud solutions
• Experience with Microsoft 365 technologies
• Experience with VMware and virtualisation platforms
• Experience with hybrid cloud and hosting environments
• Experience with infrastructure modernisation and migration programmes
• Experience producing and reviewing HLDs and LLDs
• Experience working with senior technical and business stakeholders
• Experience managing technical risk and solution approval processes
• Strong communication and stakeholder management skills
• Ability to challenge and influence technical decisions
• Experience operating in complex enterprise environments
• Strong documentation and governance capabilities
• Ability to balance strategic thinking with practical delivery considerations

Responsibilities:

• Provide technical leadership across multiple infrastructure projects
• Review, challenge and approve technical designs
• Produce and review High-Level Designs (HLDs)
• Produce and review Low-Level Designs (LLDs)
• Define and maintain infrastructure standards and roadmaps
• Ensure solutions align with enterprise architecture principles
• Support cloud adoption and infrastructure modernisation initiatives
• Work closely with project teams, engineers and stakeholders to shape technical solutions
• Provide governance and technical assurance throughout project lifecycles
• Support design decisions across infrastructure, cloud, networking, security and hosting platforms

Technologies:

• Azure
• Cloud
• Support
• Microsoft 365
• Security
• VMware
• Office 365
• Architect
• DevOps
• Network
• Windows

More:

We are seeking an experienced Infrastructure Technical Design Authority (TDA) to support several strategic infrastructure and cloud transformation initiatives within a large enterprise environment. This role will provide technical leadership across infrastructure, cloud, platform and security domains, ensuring solutions are robust, scalable, secure and aligned with architectural standards. We will work closely with project teams, architects and stakeholders to define, review and govern technical designs across Azure, Microsoft technologies, virtualisation platforms and hybrid hosting environments. This is a contract role for an initial 6 months, with an expected extension. Belfast is preferred, though UK-wide candidates are considered. The working pattern is primarily remote with occasional onsite meetings, and the interview process is a single-stage interview. We offer competitive market rates and the opportunity to work on large-scale infrastructure transformation initiatives at the centre of technical decision-making and architecture governance.

last updated 37 week of 2026