https://jobs.co.uk/job/senior-siebel-developer-cgi--82d992f8-46cb-431a-af98-6f12df8eb5ae RSS feed for Senior Siebel Developer at CGI. en-gb Thu, 18 Jun 2026 16:20:55 GMT https://jobs.co.uk/job/senior-siebel-developer-cgi--82d992f8-46cb-431a-af98-6f12df8eb5ae https://jobs.co.uk/job/senior-siebel-developer-cgi--82d992f8-46cb-431a-af98-6f12df8eb5ae Thu, 18 Jun 2026 11:51:47 GMT Location: Leatherhead | Salary: 10000-500000 Annual | Type: Permanent | Senior Siebel Developer Position Description 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.Your future duties and responsibilities We are looking for an experienced Siebel Developer to join a growing team supporting a highly customised, business-critica... Permanent