Mainframe Engineer (COBOL / DB2 / Telecom)
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Jun 16, 2026. Capgemini scores B on the Alion truth index.
Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.
Your role
You will be part of a team maintaining and enhancing core mainframe systems supporting key telecom services. The role involves end-to-end delivery responsibility- from understanding business needs to implementation and ongoing support- helping ensure stable, scalable solutions that support millions of customers.
Your project
You will work within a distributed delivery team focused on evolving large-scale mainframe applications. The project covers continuous improvement, system integrations, and support of critical business processes.
Your tasks
- develop and maintain mainframe applications;
- participate in full software lifecycle delivery;
- analyze business processes and implement changes;
- collaborate with cross-functional teams;
- perform testing (system, integration, regression);
- support releases and production activities;
- prepare technical documentation;
- work with DB2 and SQL data.
Your profile
- strong experience with COBOL, JCL, DB2, IMS-DB, TSO/ISPF;
- familiarity with tools: SORT, Changeman, SPUFI, Linux;
- understanding of telecom processes;
- strong analytical and problem-solving skills;
- ability to work independently and collaboratively;
- good communication skills;
- experience with full SDLC;
- English B2+.
What You'll love about working here?
- Practical benefits: private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and 40+ options on our NAIS benefit platform, including Netflix, Spotify or Sports card.
- Access to over 70 training tracks with certification opportunities (e.g., GenAI, Architects, Google) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, TED Talks and Udemy Business materials and trainings.
- Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.
- Community Hub that will allow you to choose from over 20 professional communities that gather people interested in, among others: Salesforce, Java, Could, IoT, Agile, AI.
Get to know us!
Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.
Do you want to get to know us better? Check our Instagram - @capgeminipl or visit our Facebook profile - Capgemini Polska. You can also find us on YouTube.
Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.
Make it real | www.capgemini.com