Application Support Engineer

Application Support Engineer | Milton Keynes

£40k-£60k+ Private Medical, Life Assurance etc

If you’re leaving a role, it should be to level up. As an Application Support Engineer, this is a move for someone who wants skills that compound. You’ll build proper production change discipline, be trusted to improve how support is done, and be backed to take the lead and challenge weak processes. You’ll come out of it with stronger judgement, more confidence, and more responsibility.

You’ll join a telecoms tech business running a live, high-availability mobile services platform. This is an environment where uptime and change discipline matter. You’ll learn a largely bespoke platform end to end, work peer-to-peer with customer engineers, and partner with Development and Infrastructure to deliver fixes, upgrades, and deployments.

• Own live support cases end to end (triage, fix, handover) in a production environment
• Support Windows Server and Linux services in production (logs, services, config checks, safe restarts)
• Support IIS-hosted applications (app pools, bindings, certificates, logs)
• Run patching and maintenance properly (sequencing, validation, rollback thinking, minimal downtime)
• Troubleshoot across the stack (application vs server vs connectivity dependencies)
• Investigate connectivity symptoms (DNS, ports, access, VPN/certificates, reachability) and escalate with clear evidence
• Work with Development and Infrastructure on releases and changes, including deployment support and verification
• Communicate clearly and calmly with customer engineers in a B2B environment

Working pattern & hours:
Onsite preferred (hybrid options).

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