Application Support Engineer

We are currently looking for an Application Support Engineer to investigate and resolve complex application and data issues across our critical business systems. You’ll take ownership of escalated issues, use SQL and other troubleshooting tools to identify root causes, and work with stakeholders through to resolution. Your working time will be split between our Kirkstall Forge, Leeds and Altrincham offices, alongside remote working as part of our agile working model.

You’ll join a supportive Technology team and work closely with experienced Software Engineers, testers and business stakeholders. We share knowledge, learn together and take collective responsibility for delivering reliable systems and a great experience for our commercial customers.

What’s the Role

• Provide third-line support for key business-critical applications.
• Investigate application, data and integration issues using SQL, system logs and other troubleshooting tools.
• Take ownership of escalated issues from initial investigation through to successful resolution.
• Perform system configuration, maintenance and administrative activities across supported applications.
• Work closely with Software Engineers to investigate bugs, resolve production issues and improve system reliability.
• Maintain integrations between internal systems and contribute to scripting and automation using PowerShell or Bash.
• Keep stakeholders informed, maintain clear documentation and identify opportunities to improve our applications and support processes.

• Previous experience in Application Support, Systems Support, Technical Support or a similar role.
• Working knowledge of SQL and relational databases, including querying and analysing data.
• Experience investigating application issues using logs, system outputs and database information.
• A logical and methodical approach to troubleshooting complex problems and identifying root causes.
• Experience supporting business-critical applications in a production environment.
• Strong communication skills and the confidence to work with technical and non-technical stakeholders.
• Exposure to PowerShell, Bash, .NET, JavaScript, APIs or Agile software delivery would be advantageous.

Pulled from the full job description

• Annual leave
• Employee discount
• Life insurance
• Employee assistance programme
• Free parking
• Cycle to work scheme
• Tech scheme, * Salary £30,000 - £36,000 per annum
• 24 days annual leave plus your birthday off, with the option to buy more
• Life Insurance, Critical Illness Cover, Dental and Health Cash Plans, plus access to an onsite GP, Employee Assistance Programme and Mental Health First Aiders
• Tech Scheme, Car Sacrifice Scheme, Cycle to Work Scheme, Season Ticket Loans and free onsite parking
• Development opportunities through our MyGPS personal development framework
• Perks at Work discounts, sports and social clubs, company activities, team events and colleague-led equality networks
• Agile working - you might have the opportunity to work remotely when it works for the Customer, Zenith and yourself, and you’ll work with your manager to agree how this works best

Why Zenith?

• Award-winning - Leasing Company of the Year (Fleet News 2026), Large Business of the Year (Yorkshire Post Excellence in Business Awards)
• Sustainability champions - Over 41% of our fleet are Battery Electric Vehicles (BEVs), and we’re a carbon-neutral organisation
• Innovators - Investing £25 million in transformation, with a thriving fleet of 169,910 vehicles
• Inclusive - Six colleague-led diversity groups and a workplace where everyone can thrive
• A place to grow - Clear pathways through our MyGPS personal development framework

At Zenith, we’ve been leading the transition to sustainable vehicle solutions for over 30 years. As the UK’s largest independent vehicle solutions provider, we’re proud of our people, our award-winning service, and our bold ambitions to make mobility smarter, greener, and better for everyone. We’re powered by people, driven by innovation, and committed to creating an inclusive environment where everyone can thrive.