Infrastructure Engineer

Location: Epsom Salary: £40,000 - £45,000 + Benefits Job Type: Full-time, Permanent

We are seeking a mid-level Infrastructure Engineer to join a well-established and growing software company based in Epsom, Surrey. This is a full-time, on-site role supporting, managing, and optimising office infrastructure and data centre operations to ensure seamless performance, security, and reliability.

The ideal candidate will have 3-5 years of hands-on experience supporting physical servers, managing a Microsoft environment, and troubleshooting networks including firewalls, switches, and load balancers.

Our client is an innovative and established software house, delivering complex technology solutions to both public and private sector organisations for over two decades. They have built a strong reputation for excellence and innovation.

Their flagship product is a powerful communication and engagement platform used by thousands of users across public sector organisations to share important updates, promote services, and increase community engagement. As a mature, stable, and growing product, it demands a secure and reliable technical environment.

Our client is a member of the G-Cloud and DOS (Digital Outcomes and Specialists) frameworks and plays an active role in the UK government's digital transformation programme.

• Microsoft 365 Administration – Manage Exchange Online, SharePoint, OneDrive, and Teams, including user accounts, permissions, and integrations.
• Infrastructure & Network Management – Configure and maintain firewalls, routers, switches, VLANs, and IP routing while troubleshooting network issues.
• Server Management – Install, configure, and maintain Windows Server () and Linux environments, including Active Directory, DNS, DHCP, IIS, SQL Server, and Group Policies.
• Virtualisation – Manage and support MS Hyper-V environments, including P2V and V2P migrations.
• Mobile Device Management (MDM) – Deploy and maintain MDM solutions and enforce security policies.
• Cybersecurity – Implement security best practices, conduct vulnerability assessments, and apply patches to maintain compliance.
• Email Deliverability & Authentication – Configure and monitor SPF, DKIM, DMARC, and DNS settings to optimise email performance.
• User Support – Provide 1st-3rd line support, troubleshoot issues, maintain IT assets, and improve IT workflows.
• Documentation – Maintain technical documentation, network diagrams, and an up-to-date asset register.

• 3-5 years of experience in IT infrastructure, systems administration, and networking.
• Strong knowledge of Microsoft 365, Windows Server, and Linux environments.
• Experience managing enterprise-grade firewalls (e.g., SonicWall) and network troubleshooting.
• Hands-on experience with Hyper-V virtualisation and server deployments.
• Solid knowledge of cybersecurity principles and best practices.
• Excellent troubleshooting skills and ability to work independently.
• Strong communication and teamwork skills.
• Relevant IT certifications (Microsoft, Cisco, CompTIA, or similar) are desirable.

Infrastructure Engineers in this business typically progress to Senior Infrastructure Engineer and Operations Manager, with further progression to Operations Director.

• Competitive salary (£40,000 - £45,000) and benefits package
• Professional development opportunities and certifications
• Collaborative and innovative work environment
• Exposure to cutting-edge IT infrastructure projects
• Health insurance (from second year)
• Pension scheme

• 9am - 6pm, Monday to Friday
• Fully on-site role
• Office located in the centre of Epsom, less than a 5-minute walk from the main train station and close to local amenities

ASAP