Senior IT Infra & Security Engineer — Automation Focus

Pearson Whiffin Recruitment Ltd; Lancashire; On-site; GBP 55,000 - 75,000; Full time

Job summary

Pearson Whiffin Recruitment Ltd is seeking a Senior IT Infrastructure Engineer to join our IT team. You will own and develop the company's internal infrastructure, supporting Windows Server, Active Directory, Hyper-V and Microsoft 365 Hybrid environments.

Reporting to the Head of IT, you will lead infrastructure projects, drive security improvements and automate processes with PowerShell. You will also document systems and diagrams, acting as a senior escalation point for the IT service desk.

Qualifications

• 6–8+ years’ experience in IT infrastructure.
• Strong hands-on knowledge of Windows Server, AD, GPO and Hyper‑V.
• Experience with Microsoft 365 Hybrid, Intune, Azure Entra ID, networking, firewalls, backup and recovery, patch management and vulnerability remediation; comfortable with PowerShell automation.

Responsibilities

• Administer and maintain Windows Server, AD, GPO, alongside Hyper‑V, Microsoft 365 Hybrid, Azure/Entra ID and Intune.
• Lead server migrations, infrastructure upgrades and refresh projects; support SQL Server, IIS and Remote Desktop Services.
• Security focus: patching, vulnerability remediation, endpoint protection, firewall, VPN, backup and DR; contribute to Cyber Essentials Plus.
• Support network infrastructure, including switching, VLANs, WAN, and Sophos XGS firewalls; automate with PowerShell.
• Produce technical documentation and network diagrams; assist with infrastructure planning; act as senior escalation point for IT Service Desk.

Skills

Troubleshooting

Communication

Documentation

Proactive mindset

Tools

Windows Server

Active Directory

Group Policy

Hyper-V

Microsoft 365 Hybrid

Intune

Azure/Entra ID

SQL Server

IIS

Remote Desktop Services

Sophos XGS

Mimecast

PowerShell

Job description

Pearson Whiffin Recruitment Ltd is seeking a Senior IT Infrastructure Engineer to join our IT team. You will own and develop the company's internal infrastructure, supporting Windows Server, Active Directory, Hyper-V and Microsoft 365 Hybrid environments.

Reporting to the Head of IT, you will lead infrastructure projects, drive security improvements and automate processes with PowerShell. You will also document systems and diagrams, acting as a senior escalation point for the IT service desk.