Full job descriptionIT Infrastructure Tech Lead
Location: St Albans, Hertfordshire (Hybrid - 2 days per week onsite)
Salary: Negotiable depending on experience
The Opportunity
We’re seeking an experienced IT Infrastructure Tech Lead to join a growing organisation based in St Albans. This is a fantastic opportunity to take ownership of a modern Microsoft-centric technology environment, working directly with the IT Director to drive infrastructure, security, compliance, and cloud initiatives.
Supporting approximately 30 users, you’ll play a pivotal role in maintaining and enhancing the company’s IT infrastructure while ensuring security, governance, and operational excellence remain at the forefront of everything you do.
This position would suit a proactive infrastructure professional who enjoys combining hands-on technical delivery with strategic planning and continuous improvement.
Key Responsibilities
As the IT Infrastructure Tech Lead, you will:
*Act as the primary liaison between the business, outsourced Managed Service Provider, and first-line support teams.
*Administer and maintain the Microsoft 365 and Active Directory environments.
*Manage and develop Azure cloud infrastructure, including:
*Windows Server Virtual Machines
*Microsoft SQL Server
*Azure Application Gateway
*Azure Key Vault
*Managed Identities

*Oversee network and security operations, including:
*RBAC and Identity & Access Management (IAM)
*VPN technologies
*MFA and Conditional Access
*DKIM, DMARC and SPF
*Data Loss Prevention (DLP)
*Group Policy administration

*Ensure compliance with ISO27001 standards and support ongoing cybersecurity improvement initiatives.
*Lead the organisation’s journey towards Cyber Essentials Plus and Cloud Security Alliance compliance frameworks.
*Fulfil the responsibilities of the GDPR Data Protection Officer.
*Manage hardware procurement, refresh cycles, deployment, and lifecycle management.
*Automate infrastructure deployment, monitoring, and security validation processes using PowerShell and Azure DevOps.
*Maintain and continually improve technical documentation, policies, procedures, and knowledge bases.
*Champion best practices around least privilege, security governance, and separation of duties across the organisation.
Skills & Experience Required
We’re looking for someone with strong experience across:
Essential
*Microsoft Entra ID (Azure AD)
*Microsoft Azure
*Windows Server Administration
*Active Directory
*Microsoft 365 Administration
*PowerShell Scripting
*Azure DevOps
*Cybersecurity and Identity Management
*Network Security Technologies
*ISO27001 environments
*GDPR and data governance
*Infrastructure automation
Desirable
*Cyber Essentials Plus
*Cloud Security Alliance Cloud Controls Matrix
*SQL Server Administration
*Experience working with outsourced IT providers
*Banking, financial services, or highly regulated industry experience


What’s on Offer?
*Hybrid working (2 days per week onsite in St Albans)
*Significant ownership and autonomy
*Direct exposure to senior leadership
*Opportunity to shape and improve the IT and security landscape
*Broad technical exposure across infrastructure, cloud, security, and compliance
*Supportive and collaborative team environment