Are you an experienced 3rd Line Support Engineer looking for a role where your expertise will make a meaningful impact? Do you thrive in a fast-paced, client-focused MSP environment, juggling projects, escalations, and mentoring with calm confidence?
If so, you may be exactly who we’re looking for.
My Client is seeking a highly capable, hands-on 3rd Line Senior Support Engineer to join our dynamic service team. This role is central to delivering the excellent service we’re known for—supporting diverse client environments, deploying cutting-edge solutions, and leading technical improvement.
About the Role
As a senior engineer, you’ll own escalated incidents, deliver technical projects, and guide both clients and colleagues toward robust, modern solutions.
This is a varied role covering a broad set of technologies across multiple industries, including legal, logistics, manufacturing and professional services.
Key Responsibilities
• Lead and deliver complex projects:
• - Office relocations, server/cloud migrations, onboarding, and infrastructure
upgrades
• - M365 migrations (Exchange, file shares to SharePoint/OneDrive)
• - VoIP and Teams telephony deployments
• Configure and support:
• - Routers, firewalls, switches, access points
• - Windows Server (installations, upgrades, AD/DNS/GPO management)
• - Virtual platforms: Hyper-V, RDS farms, Citrix (including Citrix Published Apps)
• Administer and secure Microsoft 365:
• - Azure AD, Intune, Endpoint Manager, Teams, OneDrive, SharePoint
• - MFA, Conditional Access, and compliance/security policies
• Deploy and manage backup & cybersecurity tools (Veeam, EDR/XDR solutions, M365 backups, email filtering)
• Work with mobile device management (Android, iOS)
• Ensure proactive monitoring and remediation using RMM and ITSM platforms
• Mentor 1st / 2nd line engineers, assist with documentation, and contribute to continuous improvement
• Adhere to SLAs, prioritise effectively, and communicate clearly with end-users and stakeholders
About You
You are a proactive problem solver with a passion for technology and a commitment to delivering real value to clients. You work well under pressure, balance BAU and project work effectively, and can explain complex topics in plain English.
You’ll ideally have:
• 10+ years’ IT experience, including at least 3 years in a 3rd line/Senior MSP role
• Proven expertise in M365/Azure ecosystem and Windows Server environments
• Strong knowledge of networks, firewalls, DNS, DHCP, VLAN’s, VPN and ZTNA technologies
• Experience with RMM/PSA platforms
• Hands-on knowledge of backup and cybersecurity tooling
• A full UK driving licence and willingness to travel occasionally to client sites
Soft Skills & Attributes
• Calm under pressure, solutions-oriented
• Strong ownership of technical problems
• Confident communicator across all technical levels
• Balances project delivery and escalated support work effectively
• Curious, continuously learning, and up-to-date with evolving technology
• A collaborative mindset with a desire to coach others and improve processes
• Excellent communication and time management skills
• Champions documentation, knowledge sharing, and consistency
What We Offer
• Competitive salary
• Company laptop
• Ongoing training and certification support
• Workplace pension scheme
• A close-knit team with a strong culture of collaboration and excellence
PLEASE NOTE:
Candidates MUST be currently based within 40 minute commuting distance to Milton Keynes by car.
Skills:
Office 365 / O365, Citrix and Hyper-V, Handheld device support, Windows Server, Active Directory / AD, MS Exchange, Firewalls, Network Support
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