Senior Siebel Developer

CGI's Space, Defence and Intelligence business unit delivers complex, mission-critical systems that help keep the UK safe and secure. As a leading systems integrator, we design, build and operate innovative solutions for clients across defence, intelligence, aerospace, maritime and space sectors.

We combine deep technical expertise with modern delivery approaches and strong partnerships across industry and academia. Our teams work on challenging projects where technology makes a real-world difference.

At CGI, you'll be part of a collaborative and supportive community that values innovation, continuous learning and professional growth. We offer a competitive salary, excellent pension, private healthcare and our share purchase plan, making you a CGI Partner rather than simply an employee.

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 travel to our Leatherhead office.

Candidate Profile

We are looking for an experienced Siebel Developer to join a growing team supporting a highly customised, business-critical solution for a major Defence client.

This is a hands-on technical role where you will contribute to the ongoing development, enhancement and support of a complex Siebel environment while helping to shape future improvements and technical direction.

As a senior member of the team, you will work closely with developers, architects, analysts and client stakeholders to deliver high-quality solutions and resolve complex technical challenges. You will also play an important role in supporting and mentoring less experienced developers, helping to build capability across the team and promote development best practices.

Key Responsibilities Include

• Designing, developing and enhancing Siebel CRM solutions
• Configuring and customising Siebel applications to meet business requirements
• Developing workflows, integrations and automation solutions
• Troubleshooting and resolving technical issues within a complex environment
• Collaborating with technical and business stakeholders to identify effective solutions
• Supporting integration with Oracle and cloud-based technologies
• Contributing to technical design discussions and continuous improvement initiatives
• Coaching and supporting junior developers within the team

Required Qualifications To Be Successful In This Role

• Strong experience developing and configuring Siebel CRM solutions
• Siebel Tools configuration experience
• Siebel eScript development
• Siebel Workflow development
• Oracle SQL & PL/SQL
• Siebel Open UI
• Siebel assignment manager
• Middleware connectivity/integration
• Experience working with enterprise-scale applications and integrations
• Strong analytical and problem-solving skills
• Ability to work collaboratively within a multidisciplinary team

Desirable

• Experience with Siebel Enterprise Application Integration (EAI)
• Experience with Enterprise Integration Manager (EIM)
• Linux/Unix environment experience
• Oracle Cloud experience
• Experience integrating applications with cloud-based infrastructure
• Experience working in secure, regulated or government environments
• Current SC clearance