Senior Siebel Developer

**CGI UK Careers – Your mission found here**

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## 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-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

#LI-SB2

## Skills:

• Oracle SQL Server

• Siebel CRM

## What you can expect from us:

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.