Join CGI as an Application Support Engineer and help keep business-critical services stable, resilient and performing at their best. You'll take ownership of live service operations, resolving complex issues and protecting service availability while finding smarter ways to prevent disruption before it happens. Combining hands-on Java application support with service management expertise, you'll improve monitoring, automate operational activities and strengthen service resilience. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Due to the secure nature of the work involved, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements can vary, so the ability to travel as required to meet client needs is essential.