Senior Application Support Engineer

Salary: £35,000 - 35,000 per year

Requirements:

• Experience within Application Support or Software Support
• Strong technical troubleshooting and problem-solving skills
• Experience investigating complex application issues through to resolution
• Writing ad-hoc and complex multi-table SQL queries
• Investigating and resolving data issues
• Working with database functions, procedures and stored procedures
• Experience working within web and PC-based environments
• Familiarity with issue management tools such as Jira
• Exposure to version control tools such as Bitbucket or similar
• Experience with a scripting language, ideally PowerShell
• Previous experience mentoring, coaching or supporting junior colleagues
• Strong communication and technical documentation skills

Responsibilities:

• Provide senior-level 2nd/3rd line application support
• Investigate, diagnose and resolve complex technical issues
• Take ownership of escalated incidents through to resolution
• Perform root-cause analysis and identify underlying application or data issues
• Use SQL to investigate databases, troubleshoot problems and correct data issues
• Write and maintain scripts to automate repetitive support tasks
• Work closely with Service Delivery and Engineering teams
• Manage and track incidents through an issue management platform
• Identify critical issues and escalate where appropriate
• Mentor and support junior Application Support Engineers
• Document technical issues, root causes and resolutions
• Help introduce and maintain best practices across the support function
• Work within a collaborative Agile engineering environment

Technologies:

• BitBucket
• Support
• JIRA
• PowerShell
• SQL
• Web
• LESS

More:

We are a growing technology business in Cardiff, working on software solutions for the financial services sector. This is a hybrid role in Cardiff, offering a salary of up to £35,000 plus bonus. We provide an opportunity to join our Engineering team, work closely with Service Delivery and Engineering colleagues, and contribute to improving processes, documentation and automation across our support function.

last updated 33 week of 2026