3rd Line Engineer
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About the Role
We are seeking an experienced 3rd Line Engineer to join our London-based IT team. This role focuses on resolving complex technical issues, supporting enterprise infrastructure, and providing escalation support for 1st and 2nd line teams.
The successful candidate will have strong expertise in Windows Server, Microsoft 365, Active Directory, networking, and cloud technologies, with the ability to manage high-priority incidents and contribute to infrastructure improvements.
Key Responsibilities
- Provide advanced 3rd line technical support for infrastructure and end-user systems
- Act as an escalation point for 1st and 2nd line support teams
- Support and maintain Windows Server environments
- Manage and troubleshoot Microsoft 365 and Azure environments
- Administer Active Directory, Group Policy, and user permissions
- Troubleshoot networking issues (DNS, DHCP, VPN, firewalls)
- Support virtualisation platforms (VMware / Hyper-V)
- Lead root cause analysis and major incident resolution
Required Skills & Experience
- 5+ years of experience in IT Support / Infrastructure roles
- Strong expertise in Windows Server administration
- Hands-on experience with Microsoft 365 and Azure
- Advanced knowledge of Active Directory and Group Policy
- Solid networking knowledge (TCP/IP, VLANs, VPN, firewalls)
- Experience with virtualisation technologies
- Strong analytical and troubleshooting skills
- Ability to manage complex incidents independently
- Excellent communication and stakeholder engagement skills
Preferred (Not Mandatory)
- Microsoft or cloud certifications
- Experience in enterprise or regulated environments
- Exposure to security best practices
- Knowledge of scripting (PowerShell)
- Experience working within ITIL frameworks
What We Offer
- Competitive London market salary
- Opportunity to work on enterprise-scale infrastructure
Equal Opportunity Statement
We are an equal opportunity employer. All hiring decisions are based on skills, experience, and professional merit. We welcome applications from candidates of all backgrounds.