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Senior Siebel Developer

Job in Leatherhead, Surrey County, KT22, England, UK
Listing for: ENGINEERINGUK
Full Time position
Listed on 2026-09-10
Job specializations:
  • Software Development
    Backend Developer, Computer Software / Middleware
Salary/Wage Range or Industry Benchmark: 60000 - 90000 GBP Yearly GBP 60000.00 90000.00 YEAR
Job Description & How to Apply Below

Job 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 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.

Contract:

Permanent;

Hours:

Full Time;

Location:

Leatherhead office (Hybrid).

Key Responsibilities
  • 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
  • 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
Skills
  • Oracle SQL Server
  • Siebel CRM
Reference

1296754

#J-18808-Ljbffr
Position Requirements
10+ Years work experience
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