Senior z/OS COBOL Developer

Ethniki Asfalistiki has been a leading company in the Greek insurance market for 135 years. Since its establishment in 1891, the company has been offering simple, innovative, and reliable solutions that protect what matters most to its policyholders, enabling them to face each day with confidence and peace of mind.

In November 2025, Ethniki Asfalistiki entered a significant new chapter in its history by becoming part of the Piraeus Group, one of the largest and most dynamic financial organizations in Greece.

Today, Ethniki Asfalistiki employs more than 700 people, has a flexible and extensive network of Certified Insurance Intermediaries, and is trusted and preferred by 1.9 million policyholders. Guided by values such as integrity and reliability, the company places people at the heart of its business, making insurance clear and accessible and removing complexity to help customers feel informed and in control.

Ethniki Asfalistiki’s vision is to remain a leading insurer, always standing by its customers, redefining insurance through innovation, empathy, and simplicity, while building a sustainable future.

Role Overview Ethniki Asfalistiki is seeking an experienced Senior z/OS COBOL Developer to join our Technology team. In this role, you will be responsible for the development, maintenance, and modernization of critical business applications running on IBM Mainframe platforms. You will collaborate with cross-functional teams to deliver reliable, high-performing solutions that support the organization's strategic objectives while contributing to ongoing digital transformation initiatives.

Main Responsibilities

• Develop, maintain, and enhance enterprise applications using COBOL in IBM z/OS environments.
• Design and support batch processing solutions using JCL and JES2.
• Build and maintain online transaction processing applications in CICS environments.
• Develop and optimize DB2 database solutions, including SQL and embedded SQL programming.
• Design and implement integrations through SOAP and REST web services.
• Collaborate with internal teams to integrate mainframe systems with modern platforms and applications.
• Perform testing, troubleshooting, debugging, and performance tuning activities.
• Participate in application modernization and transformation projects.
• Prepare technical documentation and ensure adherence to development standards.
• Contribute to the continuous improvement of systems, processes, and development practices.

Candidate Job Profile

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 4 years’ experience in similar role and IBM z/OS, COBOL development environments.
• Strong knowledge of COBOL, JCL, JES2, CICS, DB2, TSO, and ISPF.
• Experience with SOAP and REST API integrations.
• Familiarity with testing and debugging tools, including SoapUI and Postman.
• Strong analytical thinking and problem-solving capabilities.
• Ability to work effectively in a collaborative and fast-paced environment.
• Excellent communication and stakeholder management skills.
• Excellent command of Greek and English (written and spoken).
• No pending military obligations (for Greek male citizens).

Will be considered a plus

• Experience in application modernization or legacy transformation projects will be considered an asset.
• Previous experience in the insurance or financial services sector will be considered a strong advantage.

Benefits The company invests in long-term cooperation and provides a modern and stable work environment, with a hybrid work model. We offer a competitive remuneration package and excellent career prospects, coupled with continuous training and development.

Applications All applications will be treated with strict confidentiality, and successful candidates will be contacted.

At Ethniki Asfalistiki, we believe in creating an inclusive workplace that values diversity and celebrates the unique contributions of each individual.

We are an equal opportunity employer, and we recognize that a diverse workforce is essential for our success. By bringing together people from different backgrounds and experiences, we can promote a more innovative, creative, and productive work environment.

We are committed to fostering a culture of belonging where everyone feels respected, valued, and empowered to contribute their best.