IT 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