Infrastructure TDA

Infrastructure Technical Design Authority (TDA) Overview 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. The successful candidate 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.

Contract Details Role: Infrastructure Technical Design Authority (TDA)

Contract Length: Initial 6 months

Extension: Expected

Location: Belfast preferred, UK-wide candidates considered

Working Pattern: Primarily remote with occasional onsite meetings

Interview Process: Single-stage interview

Rate: Competitive market rates

Key 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.

Technology Environment The environment includes a mixture of:

Microsoft Azure

Microsoft 365

VMware

Virtualisation Technologies

Hybrid Cloud Platforms

Enterprise Infrastructure

Identity & Access Management

Infrastructure Security

Storage & Backup Solutions

Windows Server Technologies

Hosting & Datacentre Services

Essential Experience <...