Senior Application Support Engineer

Location: Aghalee

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Location:

Aghalee (base location, travel expected)

Job Title:

Senior Application Support Engineer

Department: IT

Reports To:

Head of IT

Salary Range: £45k-£55k depending on experience

Job Purpose

We are hiring a senior, hands‑on engineer to own and support our core business applications (Transport, Fleet, Telematics, Reporting) across the group. This includes incident resolution, releases and updates, integrations, change requests, documentation, and user training.

Duties And Responsibilities Applications Ownership & Support

• Act as the technical owner for core business applications.
• Provide Level 3 application support across transport, warehouse and fleet systems; triage incidents, tune SQL and deliver permanent fixes.
• Maintain systems integrations via REST/SOAP APIs, EDI (XML/JSON) schemas and flat file interfaces (SFTP/AS2).
• Manage and maintain application configuration, master data and settings in line with business requirements.
• Maintain a clear application catalogue (systems, users, hosts, SLAs).

Updates, Releases & Change Management

• Plan and coordinate application updates, patches and new releases with vendors and internal teams.
• Own the change request process for applications capture requirements, impact assess, prioritise and communicate timelines.
• Manage UAT and sign‑off with business owners before changes go live.
• Produce release notes and communicate changes to users in a clear, non‑technical way.

Automation & Process Improvement

• Be the primary technical contact for application vendors log tickets, chase progress and ensure accountability.
• Challenge and negotiate with vendors where required to resolve issues and meet business needs.
• Work closely with business stakeholders to scope, document and validate change requests and new functionality.

SQL & Application Data (TMS)

• Use strong SQL (T‑SQL) skills to support and troubleshoot the TMS and other SQL‑backed applications.
• Investigate performance issues, data anomalies and integration errors using SQL.
• Work with the BI/Data teams to align application changes with reporting and analytics requirements.

Integrations & Interfaces

• Understand and support application integrations (APIs, EDI, flat file/SFTP) between core systems.
• Monitor and troubleshoot failed interfaces; work with vendors and internal teams to design robust error‑handling and retry processes.
• Maintain technical and process documentation for all integrations so they can be supported and improved over time.

SOPs, Documentation & Training

• Create and maintain Standard Operating Procedures (SOPs), user guides and support runbooks for all key applications.
• Deliver 1‑to‑1 and group training for staff on how to use applications effectively.
• Ensure documentation is up‑to‑date, version‑controlled and accessible (SharePoint / internal wiki).

Adoption, Optimisation & Under‑Used Modules

• Review and document how applications are currently used across the business modules, key processes, gaps and pain points.
• Identify under‑utilised modules and features within applications and build business cases for adopting or retiring them.
• Work with departments to simplify and standardise processes, reducing manual workarounds and spreadsheet‑based processes.
• Regularly showcase new or under‑used features to departments and encourage better use of existing systems.

Security, Governance & DR

• Enforce least privilege, RBAC and secrets management (KMS/SSM Parameter Store/Key Vault).
• Apply data governance (naming, cataloguing, classification, retention) and access reviews and audit logging across all operational systems.
• Contribute to backup/restore strategies and DR tests for data platforms and critical applications.
• Assist in the strategic roll out of SSO/MFA across all applications.

Essential Knowledge, skills and experience required

• Bachelor's degree in Computer Science / Information Systems or equivalent experience.
• 5+ years experience in application support/ownership roles in an operational business (transport, logistics, manufacturing or similar environment desirable).
• Strong SQL skills (T‑SQL preferred) with experience supporting SQL‑backed applications such…