This job is with CGI, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

Senior Application Support Engineer (Java, PL/SQL)

Position Description

At CGI, you'll play a key role in supporting and evolving complex, business-critical systems that underpin essential services. As a Software Engineer, you will take ownership of technical challenges within a legacy environment, driving stability, performance, and continuous improvement. You'll work closely with stakeholders to resolve issues, enhance existing applications, and contribute to long-term lifecycle planning-helping shape resilient, future-ready solutions. With the autonomy to make decisions and the backing of a collaborative team, you'll be empowered to innovate, share knowledge, and deliver meaningful impact.

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 programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position with occasional travel to Liverpool.

Your future duties and responsibilities

In this role, you will take ownership of supporting and enhancing a complex legacy application estate, acting as a key technical contributor within a high-performing team. You will lead the investigation and resolution of complex incidents, ensuring system stability while identifying opportunities for continuous improvement and modernisation. Working closely with stakeholders, you will deliver small-to-medium enhancements end-to-end and contribute to long-term lifecycle planning.

You will play an active role in driving collaboration, sharing knowledge across teams, and ensuring alignment with broader business objectives, while being empowered to take initiative and deliver high-quality outcomes.

- Investigate & Resolve complex incidents and service requests using ServiceNow
- Lead & Improve root cause analysis, implementing long-term fixes
- Develop & Enhance Java-based applications and internal tooling
- Deliver & Own end-to-end software features from requirements to deployment
- Optimise & Automate processes using PL/SQL and continuous service improvement initiatives
- Collaborate & Support cross-functional teams to maintain system stability

Required qualifications to be successful in this role

You will have strong experience in software engineering within support or production environments, with the ability to manage complex issues and deliver reliable solutions. You will bring a proactive mindset, solid technical expertise, and the ability to work both independently and collaboratively in a fast-paced environment.

- You should have strong experience with Java development
- Proficiency in PL/SQL for database development and optimisation
- Experience using ServiceNow for incident and service management
- Good understanding of ITIL principles and support environments
- Proven ability to troubleshoot, analyse, and resolve complex technical issues
- Experience working with legacy systems and driving continuous improvements

Together, as owners, let's turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because...

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.

Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team-one of the largest IT and business consulting services firms in the world.