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Tietoevry - Senior 5G RAN Developer - LTE/3GPP

Posted on: 22/12/2025

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Job Description

Description :

Job Description :

- Responsible for developing a part of the system, including designing it to fit into the architecture, possibly prototyping the user-interface, and then implementing, building, unit-testing, and integrating the components that are part of the solution.

- Maintenance of existing SW components will be also part of the role.

Experience :

- 4 to 8Years experience in Wireless Telecommunications or Networking background having hands on experience in LTE/5G NR, Layer-2 protocol software development.

Education :

- B.E/ B.Tech


Job Description :


- As a Software Architect, you will be responsible for driving the development and maintenance of various nodes of 5G NR protocol software.

- Participate in systemization, implementation, verification, integration, and support.

- You will lead technical initiatives, guide and mentor team members, and work closely with client/cross-functional teams to foster innovation and deliver high-quality results.

- Your expertise will be instrumental in addressing complex challenges and contributing to critical engineering decisions.

- You will be contributing to product development, maintenance and delivery of products including planning, requirement analysis, HLD, LLD, development and verification of gNodeB.

- Analyze and prioritize 3GPP features for development for different sub systems.

- Work closely with client and cross teams to carry out system integration and testing.

- Provide guidance to teams regarding intricate design issues.

- Focus to continuously improve system performance with quality deliverables.

- Conceive various strategies to enhance the current architecture.

- Work closely with other domain specialists.

Mandatory Skills :

- Candidate should have hands on experience in LTE/5G NR Mac Scheduler, 3GPP Layer 2 Design and Implementation.

- Candidate should possess in-depth knowledge of 3GPP Specification specifically Layer1, Layer 2 and Layer 3.

- In depth understanding of Layer1 Layer2 interfaces and Layer2 Layer3 interfaces.

- Candidate must have knowledge of networking protocols like TCP/IP, UDP, SCTP etc.

- Must have experience in debugging complex gNodeB issues, log file analysis etc.

- Familiar with any of these features layer/sublayer MAC, RLC, PDCP, Schedular, Powe Control, SPS, TTI Bundling, Link Adaptation, GTP-C, GTP-U.

- Candidate should have strong coding skills in C/C++.

- Strong understanding of 3GPP radio access standardization of LTE/5G NR, ORAN split architecture (preferably Radio protocols), including algorithms and protocols.

- Experience in feasibility studies and simulation of L1/PHY related features or Packet Scheduler algorithms.

- Strong understanding of 3GPP radio access standardization, including algorithms and protocols.

- Extensive experience in developing, systemizing, and testing software for 5G Layer 1/Layer 2/Layer3 protocols.

- Solid understanding of the Linux operating system and optimizing data processing paths using DPDK.

- Proficient in using version control tools such as Git, Gerrit, and project management tools like Jira.

- The candidate should have experience of agile ways of working.

- Self-driven and proactive approach.

- Experience from cloud technologies like microservices, containers, etc. is also a merit.

- Candidate should have good communication skills and enjoy working in a dynamic and global environment.


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