This is an excellent opportunity for a highly skilled Siebel Developer looking to contribute to a dynamic and innovative team. If you are passionate about enterprise application development, integration, and performance optimisation, we encourage you to apply and be part of an exciting digital transformation journey.
CGI was recognised in the Sunday Times Best Places to Work list 2024 and has been named one of the World’s Best Employers by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member, 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.
This role requires frequent travel to Liverpool during the initial onboarding period for an in-person handover. After this phase, occasional travel to Liverpool will be required as needed. All applicants must hold or be prepared to undergo National Security Vetting (NSV) to Security Check (SC) level as a minimum.

YOUR FUTURE DUTIES AND RESPONSIBILITIES

As a Siebel Developer, you will play a crucial role in designing, developing, and maintaining enterprise-scale Siebel solutions. You will be responsible for supporting the full software development lifecycle (SDLC), ensuring seamless integration, optimal performance, and a robust Siebel infrastructure. Working within a multi-functional team, you will collaborate with developers, testers, and business analysts to gather requirements, assess technical feasibility, and implement solutions that drive business efficiency and service improvement.
In this role, you will be expected to manage and optimise Siebel Dev and SIT environments, ensuring a smooth migration of changes from development to testing. You will contribute to performance tuning initiatives, identifying and resolving bottlenecks in online and batch integrations to enhance system reliability. A key aspect of your responsibilities will include troubleshooting and resolving Siebel interface and integration issues, ensuring seamless connectivity between Siebel and external systems. Additionally, you will work closely with clients and vendors to build strong professional relationships and provide technical guidance to both internal and external stakeholders.
You will be actively involved in updating and maintaining technical design documents, ensuring that all solutions adhere to release and change management processes. As part of your duties, you will also play a vital role in end-to-end testing, validating system functionalities, and ensuring all applications meet business requirements before deployment. Your contributions will help drive technical excellence, maintain system stability, and enable continuous improvements within the Siebel environment.

Key responsibilities include:

• Developing and maintaining Siebel solutions using Siebel configuration, EAI, EIM, and PL/SQL.
• Supporting large-scale Siebel Enterprise installations and troubleshooting integration-related issues.
• Managing Siebel Dev and SIT environments, including migration of changes from Dev to SIT.
• Providing performance tuning solutions for online and batch integrations.
• Adhering to Release and Change Management processes and updating Technical Design Documents.
• Conducting end-to-end testing and supporting integration efforts.
• Collaborating closely with clients and vendors to ensure seamless support and enhancements.
• Building and maintaining strong professional relationships within the team and external stakeholders.
• Providing technical guidance and mentoring to team members.

REQUIRED QUALIFICATIONS TO BE SUCCESSFUL IN THIS ROLE

To be successful in this role, you should have a strong background in Siebel development, coupled with hands-on experience in integration, configuration, and troubleshooting. Your ability to work collaboratively in an agile, high-paced environment will be critical in ensuring seamless application delivery and operational stability.

• Extensive experience in Siebel development and enterprise-scale Siebel implementations, with a deep understanding of Siebel configuration, Assignment Manager, EIM, Workflows, Business Services, and eScript.
• Expertise in Siebel integrations, including EAI, VBC, Web Services (SOAP/REST), and JMS queues, with hands-on experience in troubleshooting complex integration issues.
• Strong proficiency in Siebel Data Model and database management, particularly in MS SQL Server / Oracle, with experience in performance tuning and query optimisation.
• Experience working in a Linux environment, with the ability to support Siebel deployments and configurations in an enterprise setting.
• Proven ability to manage Dev and SIT environments, including migrating Siebel changes, supporting end-to-end testing, and troubleshooting production issues.
• Excellent communication skills, with the ability to engage effectively with clients, vendors, and internal teams, ensuring strong collaboration and seamless project execution.