IT 2nd/3rd Line Support Engineer

We’re looking for an experienced 2nd/3rd Line Support Engineer to join our team in Leatherhead. This is a hands-on technical role covering complex escalations from our Tier 1 desk, alongside ownership of infrastructure projects and migrations for our client base.

You’ll be working directly with the Service Desk Manager and Operations Manager on Tier 3 escalations and leading technical delivery on project work. You’ll own problems end-to-end and have genuine scope to shape how we deliver infrastructure and cloud services to our clients.

Day-to-Day Responsibilities

*Handle escalated Tier 2 and Tier 3 tickets from the helpdesk, owning resolution end-to-end

*Manage and maintain Microsoft 365 tenants including Exchange Online, SharePoint, Teams, Intune, and Entra ID

*Support and administer Azure infrastructure - virtual machines, Entra ID, Conditional Access, Defender for Endpoint

*Assist in delivering migration and upgrade projects (e.g. Windows 11 rollouts, server replacements, tenant-to-tenant migrations)

*Configure and troubleshoot Windows Server environments, Active Directory, Group Policy, and DNS/DHCP

*Support networking infrastructure including VLANs, VPNs, Wi-Fi,

*Maintain and develop our RMM platform - alerting, scripting, automation, patching

*Contribute to documentation in our knowledge base and produce client-facing runbooks

*Participate in onboarding new clients, including remote site surveys and infrastructure assessments

*Provide guidance and mentoring to Tier 1 staff on technical issues

Essential Experience

*Minimum 3 years in a 2nd or 3rd line MSP environment

*Strong Microsoft 365 administration - Exchange Online, Intune, Entra ID, Conditional Access, Teams, SharePoint, Defender

*Windows Server administration - AD DS, DNS, DHCP, Group Policy, File Services

*Networking fundamentals - TCP/IP, VLANs, routing, VPN, firewall configuration

*Experience leading or owning technical projects (not just contributing to them)

*Comfortable working with RMM tools

*Strong documentation discipline - you leave things better than you found them

Desirable

*Microsoft certifications - AZ-104, MS-102, SC-300, or equivalent

*Experience with PSA platforms

*PowerShell scripting for automation and administration tasks

*Exposure to Cyber Essentials

*Experience with Unifi network infrastructure

*Salary £34,000 - £55,000 depending on experience and demonstrated capability

*Microsoft certification support - we fund up to 4 exams per year as part of your development

*A small, close-knit team where your work is visible and your contribution matters

*Genuine technical variety - no two days the same, real infrastructure challenges

*Clear progression path towards Senior Engineer and beyond

*28 days holiday including bank holidays

*Leatherhead office with free parking

*Opportunity to work across a specialist, interesting client base

About the Team

We’re a business that promotes from within where possible and invests in technical development. We’re also growing - opening a 2nd office in Byfleet Q1 2027 - which means there’s real opportunity for the right person.

Interviews will typically consist of a short phone screening followed by a technical interview at our Leatherhead office.

Position is OFFICE based - Monday - Friday, 9am - 5:30pm

True

Bleckfield Limited is a specialist Managed Service Provider based in Leatherhead, Surrey. We provide comprehensive IT support and infrastructure services.

We hold Microsoft Solutions Partner status and are a recognised supplier to the NHS supply chain, holding DSPT accreditation.