Third Line Software Support Engineer (JM116)

Overview

Reference
JM116

Salary
£50,000 - £55,000/annum

Job Location
- United Kingdom -- England -- South East England -- Buckinghamshire -- Milton Keynes

Job Type
Permanent

Posted
18 May 2026


Senior Software Support Engineer

Up to £55,000 per annum plus bonus

Milton Keynes, 4 days a week on site

This is a rare opportunity to join a well-established SaaS business as one of  their most senior technical escalation points. You'd be stepping into a role that sits at the crossroads of application support, database, and development.

Duties of the Senior Software Support Engineer: 

  • Own complex 3rd line software incidents end-to-end.
  • Utilise 3rd line SQL and T-SQL to support data issues, debug procedures, and support fixes into production/staging environments (C#/.NET).
  • Conduct root cause analysis by documenting findings, feeding confirmed defects back to engineering with reproducible steps, ultimately contributing to preventing the same issues recurring.
  • Mentor 2nd line colleagues upskill and improve the wider support function over time.

Experienced required for the Senior Software Support Engineer:

  • Experience within a 3rd line, application support, or software engineering role within a SaaS or enterprise software environment
  • Strong SQL and T-SQL stored procedures, complex queries, performance tuning.
  • Hands-on experience with Microsoft SQL Server and Azure in production.
  • Some .NET/C# experience to read and debug code.
  • The ability to communicate clearly and speak directly to customers to identify issues.

Senior Software Support Engineer

Up to £55,000 per annum plus bonus

Milton Keynes, 4 days a week on site

Apply now to speak with VIQU IT in confidence. Or reach out to Jack McManus via the jack.mcmanus@viqu.co.uk

Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on LinkedIn @VIQU IT Recruitment


Contact information

Jack McManus