Application Support Analyst 
Slough | Up to £40,000 + 15% Bonus + Benefits

Join a leading UK retailer where technology underpins every aspect of customer experience and business performance. In this role, you’ll take ownership of application operations across core business systems, including Microsoft Business Central and integrated platforms, ensuring data, processes, and integrations remain stable, secure, and high-performing. You’ll manage middleware and API connectivity, oversee service tickets, support project delivery in Azure DevOps, and drive continuous improvement within a collaborative technology team.

Key Responsibilities

• Own and resolve application support tickets with clear communication and accurate results.
• Manage incidents, requests, and problems against agreed service levels.
• Support project work, configuration, testing, and deployment through Azure DevOps.
• Oversee middleware and system integrations to ensure secure and reliable data flow.
• Troubleshoot APIs including payloads, authentication, and performance checks.
• Protect data integrity across platforms and address recurring issues.
• Support structured testing, release and change management processes.
• Contribute to process and system improvements.
• Maintain documentation including system guides, knowledge articles, and API references.
• Collaborate with Infrastructure, Cybersecurity, and Development teams.

Technical Experience

• Experience with middleware or integration platforms (e.g. Mulesoft or similar).
• Ability to work with APIs (headers, payloads, authentication, performance).
• Familiarity with Azure DevOps (tickets, sprints, release workflows).
• Understanding of IT service management practices (incident, problem, change).
• Knowledge of Microsoft Business Central or other Dynamics applications (advantageous).
• Proficient with Microsoft 365 and Excel (lookups, pivots, data analysis).
• Basic SQL or scripting knowledge (desirable).
• Exposure to merchandising, supply chain, finance, or reporting systems (desirable).

If you’re an analytically minded, technically capable operations professional who enjoys solving complex system challenges and improving the way technology supports the business, this role offers the ownership, exposure, and collaboration to make a real impact in a dynamic retail environment.