Subscriber Management Engineer

Capgemini Engineering; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Yearly bonus

Private medical care (Medicover)

Life insurance

Job summary

Capgemini Engineering, a leader in engineering services, seeks a telecom subscriber management specialist in Poland to design, integrate, validate, and deploy core network elements across complex environments. You will coordinate testing and customer acceptance while ensuring high quality and satisfaction.

You will work with Linux/Unix, virtualization, and cloud tech such as Kubernetes and Docker, with scripting in Python/Shell/Perl/Ansible. Hybrid work model offered after onboarding.

Qualifications

• Experience in telecom solution design, integration, or deployment.
• Strong knowledge of Subscriber Management solutions, including HLR, HSS, AUSF/UDM, SDL, EIR, MNP, and One-NDS.
• Experience with subscriber data migration and core network integration projects.
• Solid understanding of 3G, 4G, and 5G mobile networks.
• Hands-on experience with Linux/Unix environments and network configuration.
• Knowledge of virtualization and cloud technologies, including VNF, Kubernetes, Docker, or similar platforms.
• Basic scripting skills in Python, Shell, Perl, or Ansible.

Responsibilities

• Design and implement Subscriber Management network elements.
• Perform deployment, integration, validation, and testing activities.
• Prepare technical documentation, including LLDs, CIQs, ATPs, and MOPs.
• Support database migration and solution onboarding activities.
• Troubleshoot technical issues and drive their resolution.
• Coordinate test execution and customer acceptance activities.
• Collaborate with delivery, support, and R&D teams throughout the project lifecycle.

Skills

Subscriber Management

HLR/HSS/AUSF/UDM

3G/4G/5G networks

Linux/Unix

Kubernetes

Docker

Python/Shell/Perl/Ansible

Tools

Kubernetes

Docker

Ansible

Job description

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s mostinnovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as theyprovide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days arethe same.

You role

Support the delivery of Subscriber Management solutions by designing, integrating, validating, and deploying core network elements across complex telecom environments. Working closely with cross-functional teams, you will ensure smooth implementation, migration, testing, and acceptance of solutions while maintaining high quality standards and customer satisfaction.

Your tasks

• Design and implement Subscriber Management network elements.
• Perform deployment, integration, validation, and testing activities.
• Prepare technical documentation, including LLDs, CIQs, ATPs, and MOPs.
• Support database migration and solution onboarding activities.
• Troubleshoot technical issues and drive their resolution.
• Coordinate test execution and customer acceptance activities.
• Collaborate with delivery, support, and R&D teams throughout the project lifecycle.

Your profile

• Experience in telecom solution design, integration, or deployment.
• Strong knowledge of Subscriber Management solutions, including HLR, HSS, AUSF/UDM, SDL, EIR, MNP, and One-NDS.
• Experience with subscriber data migration and core network integration projects.
• Solid understanding of 3G, 4G, and 5G mobile networks.
• Hands-on experience with Linux/Unix environments and network configuration.
• Knowledge of virtualization and cloud technologies, including VNF, Kubernetes, Docker, or similar platforms.
• Basic scripting skills in Python, Shell, Perl, or Ansible.

Nice to have

• Experience with OSS/BSS ecosystems, cloud-native telecom solutions, or large-scale subscriber management transformations.

What You'll Love About Working Here

• Practical benefits: yearly financial bonus, private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and access to NAIS benefit platform.
• Access to over 70 training tracks with certification opportunities (e.g., GenAI, Excel, Business Analysis, Project Management) 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.
• Cutting-Edge Technology: Position yourself at the forefront of IT innovation, working with the latest technologies and platforms. Capgemini partners with top global enterprises, including 145 Fortune 500 companies.
• 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.

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.

About Capgemini

Capgemini is the business transformation partner for enterprises in the age of AI. We help organizations imagine and build an intelligent, sustainable future, combining AI, technology and human ingenuity to transform how they operate, innovate and grow. With unique end-to-end capabilities spanning strategy, technology, engineering and intelligent operations, we bring together deep industry expertise and market-leading capabilities in AI, cloud and data to turn ambition into measurable business outcomes at scale. Supported by a robust ecosystem of partners and nearly 60 years of expertise, Capgemini is a responsible and diverse global organization of over 410,000 team members in more than 50 countries. The Group reported 2025 revenues of €22.5 billion.

Make it real | www.capgemini.com