3rd Line Support Engineer

At 3rd Line, you’re not just resolving incidents, you’re defining how systems behave under pressure. This role sits at the highest level of technical escalation, owning the most complex infrastructure challenges and shaping the stability, scalability, and future design of the platform.

You’ll combine deep technical expertise with strategic thinking, stepping in when systems fail, but also ensuring they fail less often.

• Own and resolve critical, high‑severity incidents that cannot be solved at lower tiers
• Lead root cause analysis (RCA) for major outages, producing actionable improvements, not just reports
• Drive problem management, eliminating recurring faults at source
• Contribute to infrastructure projects, migrations, upgrades, capacity expansion
• Collaborate with vendors and third parties on escalations, fixes, and design improvements

• Significant experience in a 3rd Line / Infrastructure / Escalation Engineer role, ideally within a data centre or MSP
• Advanced Windows Server and/or Linux administration
• Virtualisation architecture (VMware vSphere, clusters, HA/DRS, replication)
• Storage systems and performance tuning
• Comfortable working in structured environments (ITIL, change control, SLAs)
• Experience in hyperscale or colocation data centres
• Exposure to cloud and hybrid infrastructure (Azure, AWS, private cloud integration)