Job Title
3rd Line Support Engineer
Location
London (Hybrid working)
Salary
Competitive basic salary + bonus
Way of Working
* Permanent, Full‑Time
* Hybrid (mix of remote and office‑based working)
Benefits
* Performance‑related bonus
* Sponsored training and development
* Incentives for achieving Microsoft certifications
* Company pension scheme
* Private medical insurance
* Income protection insurance
* Employee Assistance Programme (wellbeing, physical & financial support)
* 33 days annual leave (including bank holidays)
* Additional day off for your birthday
* Company sick pay
The Business
This organisation is a well-established IT services and managed services provider with over three decades of experience delivering secure, high‑quality technology solutions to professional and financial services clients. Operating at the top end of the market, they support highly regulated, demanding environments including legal, private equity and investment firms.
The business is a long‑standing Microsoft partner with multiple advanced solution designations and operates a strong cloud‑first strategy, specialising in modern workplace, Microsoft 365 and Azure‑centric services. Continued growth across managed services has created an opportunity for a senior technical engineer to take ownership of complex escalations, proactive service delivery and technical leadership.
The 3rd Line Support Engineer Opportunity
* Act as the final escalation point for complex incidents, problems and major incidents across managed services
* Lead root cause analysis, problem management and preventative remediation activitiesOwn and deliver proactive managed technical services including audits, health checks and assessments
* Engage directly with customers as a trusted technical authority during high‑severity or complex issues
* Mentor and develop 1st and 2nd Line engineers, raising overall technical maturity and service quality
Your Key Skills
* Proven experience as a Senior / 3rd Line Engineer within a Managed Services environment
* Strong Microsoft stack expertise, including:
o Microsoft 365 (Exchange, Teams, SharePoint, Entra ID, Intune)
o Windows Server & Active Directory
o Azure (core services, identity and networking fundamentals)
* Solid understanding of endpoint management, networking (DNS, DHCP, TCP/IP, VPNs) and security best practice
* Experience working with ITSM tools and ITIL‑aligned processes (e.g. ConnectWise Manage)
* Comfortable leading major incidents, producing RCA documentation and owning complex issues end‑to‑end
* Confident communicator with the ability to explain complex technical issues to non‑technical stakeholders
* Strong documentation and reporting skills
About You
* Calm, professional and confident under pressure
* A natural problem‑solver who thinks independently and proactively
* Comfortable taking ownership and accountability for technical outcomes
* Passionate about improving services, not just resolving tickets
* Approachable mentor with a genuine interest in developing others
Apply Now
If you’re a senior engineer looking to step into a true technical authority role with influence, ownership and progression, apply now or contact C4S Search for a confidential discussion.
C4S Search specialises in connecting high‑calibre technology professionals with leading organisations across infrastructure, cloud, security and managed services.
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