3rd Line Support Engineer

1 day ago


Bristol, Bristol, United Kingdom iO Associates Full time

3rd Line Support Engineer
Location: Bristol - Hybrid/Onsite
Salary: Up to £45,000

We're looking for an experienced
3rd Line Support Engineer
to join a growing IT team and play a pivotal role in supporting, maintaining, and securing business-critical systems. Acting as an escalation point for 1st and 2nd line support, this role will give you the opportunity to work with a wide range of modern technologies while delivering projects that make a real impact.

What you'll be doing

  • Acting as the go-to point for escalated incidents and complex service requests
  • Managing and maintaining core infrastructure including servers, storage, networking, and cloud platforms
  • Ensuring IT security best practices are followed, including patching, vulnerability remediation, and access management
  • Administering backup and disaster recovery solutions such as Acronis and Azure Backup
  • Overseeing Windows Server environments , Active Directory, Entra ID, DNS and DHCP
  • Supporting and securing cloud environments (Azure and AWS)
  • Administering Microsoft Exchange and Office 365
  • Delivering IT projects from planning through to successful completion
  • Maintaining clear documentation and contributing to internal knowledge sharing

What we're looking for

  • Proven 3rd line / senior technical support experience
  • Strong skills across Windows Server, Active Directory/Entra ID, Exchange/Office 365
  • Hands-on knowledge of Azure and/or AWS cloud platforms
  • Experience with VMware and Hyper-V virtualisation
  • Familiarity with firewall management, VLAN creation, LAN/WAN troubleshooting
  • Solid understanding of backup and disaster recovery solutions
  • Awareness of compliance frameworks (Cyber Essentials Plus, PCI DSS, ISO, CoCo)
  • Excellent problem-solving skills with a security-first mindset

If interested, please share your CV to arrange a call and discuss further

Desired Skills and Experience
3rd Line Support Engineer

Join a fast-growing IT team in Bristol (Hybrid) and take charge of high-impact infrastructure, cloud, and security projects. If you're a hands-on problem solver with strong skills in Windows Server, Azure, AWS, and VMware, this one's for you

Up to £45,000 | Interviews happening soon

DM me or reach out at

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Hiring #3rdLineEngineer #ITJobs #Infrastructure #BristolJobs #Azure #AWS #iOAssociates
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