Senior (CNF) Engineer

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 most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide 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 are the same.

Job Description

Role Summary

The Senior CNF Engineer is responsible for designing, developing, and supporting cloud-native network functions and telecom-grade data mediation workflows. This role combines software engineering, data pipeline development, and platform engineering across CNF, VNF, and bare-metal environments. The engineer will work with high-performance, large-scale systems and mediation platforms commonly used in the telecom industry, including Nokia Mediation or comparable solutions.

Key Responsibilities

Cloud-Native Engineering

• Design and develop CNF components and microservices for telecom environments.
• Implement new features following cloud-native principles and best practices.
• Support deployment models across CNF, VNF, and bare-metal platforms.
• Perform installation, upgrades, migrations, and lifecycle operations.
  
  

Telecom Mediation and Data Pipelines

• Develop and maintain mediation workflows, nodes, streams, and data transformation logic.
• Build scalable, high-throughput pipelines for telecom event and usage data.
• Execute functional testing, validation, and performance optimization.
• Work with mediation platforms such as Nokia Mediation or similar industry frameworks.
  
  

Software Engineering

• Develop and maintain components using C, C++, Java, Perl, and XML.
• Optimize existing code for performance, stability, and maintainability.
• Collaborate on system architecture and design discussions.
  
  

Automation and Scripting

• Create automation using Shell, Bash, Python, and Ansible.
• Contribute to CI/CD workflows and infrastructure automation.
• Develop scripts for deployment, configuration, monitoring, and operational tasks.
  
  

Troubleshooting and Support

• Analyze and resolve complex issues across application, platform, and infrastructure layers.
• Conduct log analysis, debugging, and root cause investigations.
• Support production environments and participate in critical incident handling.
  
  

Database Engineering

• Work with Oracle SQL, PL/SQL, and PostgreSQL.
• Optimize queries, schemas, and performance for mediation workflows.
• Maintain data integrity across data processing pipelines.
  
  

Collaboration and Leadership

• Act as a technical expert on CNF and mediation systems.
• Mentor mid-level engineers and participate in code reviews.
• Collaborate with architecture, QA, DevOps, and platform engineering teams.
  
  

Required Skills And Experience

Education

• Bachelor’s degree in Computer Science, Software Engineering, Electronics and Communications, or a related field.
• Master’s degree is an advantage.
  
  

Professional Experience

• 5+ years in telecom software engineering, cloud-native platforms, or mediation systems.
• Hands-on experience with telecom mediation platforms, including Nokia Mediation.
• Practical experience designing and maintaining mediation workflows.
• Understanding of CNF design principles and distributed systems.
  
  

Technical Expertise

• Programming: C, C++, Java, Perl, XML
• Scripting: Shell, Bash, Python, Ansible
• Databases: Oracle SQL, PL/SQL, PostgreSQL
• Platforms: Linux and Unix-based systems
• Cloud-native: Kubernetes, Docker
• Telecom domain: CDR processing, charging, event handling, data mediation
  
  

Soft Skills

• Strong analytical and troubleshooting abilities
• Clear and structured communication
• Ability to work independently
• Team-oriented and proactive mindset
  
  

What You Will Love About Working Here

We care about all our employees and want them to feel as comfortable as possible. That's why we offer health insurance from the first days, regardless of the probationary period.The Gift from the Company - Christmas holidays from December 25 to December 31.Cooperation with Superhumans center and Veteran HUB. Capgemini Engineering has supported the launch of psychological rehabilitation department of Superhumans. Our team also donated over UAH 500 000 prosthetics for three Ukrainian defenders. Currently, we support psychological counseling provided by the Veteran Hub, and we have implemented an internal policy making the company friendly to military and veterans with the assistance of the Hub.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.