3rd Line Support Engineer

  • IT Answers
  • City, Liverpool
  • Dec 03, 2025
Full time Telecommunications

Job Description

3rd Line Support Engineer (Infrastructure & Cloud) Liverpool Up to £35K & Great Benefits

We re growing our technical operations and are looking for a senior-level Third Line Support Engineer to take ownership of complex issues, lead escalations, and deliver high-quality infrastructure and cloud solutions across our client base.

If you love solving challenging technical problems, leading projects, and being the go-to technical authority in a fast-paced MSP environment this role is for you.

What We Offer:

  • Competitive salary (£30k - £35k) aligned with senior technical ability
  • Clear technical development & certification pathway
  • 22 days holiday + bank holidays
  • Pension scheme & benefits
  • Opportunity to work with cutting-edge cloud & security technologies

Key Responsibilities of 3rd Line Support Engineer:

Advanced Support & Escalations

  • Act as the senior escalation point for complex incidents from 1st & 2nd Line.
  • Troubleshoot issues across Azure, Microsoft 365, servers, virtualisation, networking, and security tools.
  • Perform root-cause analysis and document long-term fixes.
  • Ensure SLA compliance and deliver a high-quality support experience.

Infrastructure & Cloud Management

  • Manage Azure resources (VMs, networking, security, automation).
  • Maintain Windows Server, AD, DNS, DHCP, GPO, and hybrid setups.
  • Oversee patching, monitoring, backups, and system health across client estates.
  • Implement and maintain security best practices.

Project Delivery

  • Lead migrations, deployments, security improvements, and infrastructure upgrades.
  • Plan and document solutions, producing low-level designs and technical scopes.
  • Work closely with Technical Leads and project managers to deliver successful outcomes.

Client Interaction

  • Attend client sites for escalations, installations, or project work when required.
  • Communicate confidently with technical and non-technical stakeholders.
  • Provide proactive recommendations to improve stability, security, and performance.

Team Contribution

  • Mentor 1st 2nd Line engineers and support knowledge sharing.
  • Help refine internal processes, documentation, and technical standards.
  • Support the adoption of new tools, platforms, and technologies.

Skills & Experience Needed

Essential

  • 4 10 years' experience in IT support, ideally within an MSP.
  • Strong capability across; Microsoft 365 & Azure, Windows Server, AD, DNS, DHCP, GPO, Networking VLANs, routing, firewalls, switching, Hyper-V / VMware, Backup & DR solutions, Security tooling, MFA, conditional access
  • Proven ability to resolve complex technical issues and take ownership.
  • Strong documentation, communication, and time-management skills.

Preferred

  • Calm, structured approach to problem-solving.
  • Confident dealing with senior stakeholders and business owners.
  • Proactive mindset not just fixing issues, but improving environments.
  • Enjoys mentoring and supporting skill development in others.
  • Comfortable on-site when required.

Why Join Us?

Technology environments are becoming increasingly cloud-first, secure, and business-critical and you ll play a key part in shaping them. This role gives you exposure to diverse client environments, advanced cloud technologies, and high-level technical challenges within a growing MSP that values expertise and long-term client partnerships.

If you re a senior engineer who loves complex challenges and delivering smart, elegant solutions, we d love to hear from you.

Apply today and take the next step in your technical career.