ECS Resource Group
Technical Design Authority
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Technical Design Authority (TDA)
Location: Berkshire (Onsite)
Contract: 3-6 Months
IR35: Inside IR35
We are seeking an experienced Technical Design Authority (TDA) / Technical Assurance Consultant to provide technical governance, oversight, and assurance across a corporate IT estate. This is a senior stakeholder-facing role, acting as the bridge between IT leadership, operational teams, suppliers, and business stakeholders, ensuring all technical solutions align with architecture standards, security requirements, and business objectives.
Key Responsibilities
- Provide technical assurance and governance across IT projects and change initiatives.
- Review, challenge, and approve technical designs, solutions, and implementation approaches.
- Support technical sign-off and transition of new services into operational support.
- Contribute to IT risk management activities, ensuring risks are identified, assessed, and mitigated.
- Participate in Change Advisory Board (CAB) and project governance forums.
- Support audit readiness and compliance initiatives, including information security controls and best practice standards.
- Act as a senior technical escalation point for complex infrastructure, identity, and endpoint-related issues.
- Work closely with suppliers and internal teams to ensure solutions are delivered to agreed technical standards.
- Assist in the creation and review of Statements of Work (SOWs), technical documentation, and architectural artefacts.
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Essential Skills & Experience
- Strong experience operating as a Technical Design Authority, Technical Architect, Solution Architect, or Technical Assurance Consultant.
- Microsoft 365 expertise, including:
- Microsoft Entra ID
- Intune / Endpoint Management
- Microsoft Defender
- Purview
- Conditional Access and Identity Governance
- Strong understanding of Identity & Access Management (IAM) and Joiners, Movers, and Leavers (JML) processes.
- Experience with enterprise endpoint management, application deployment, and patching strategies.
- PowerShell and Microsoft Graph automation experience.
- Experience working within structured governance, change management, and risk frameworks.
- Ability to engage effectively with technical teams, suppliers, senior management, and non-technical stakeholders.
- Technical assurance or design authority experience within large enterprise environments.
- Experience supporting security and compliance initiatives, including ISO27001-aligned environments.
- Knowledge of Modern Workplace and End User Computing (EUC) strategy.
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This is an excellent opportunity for a senior Microsoft-focused architect or design authority professional looking to play a key role in driving technical governance, assurance, security, and service improvement within a complex enterprise environment.
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