Senior Telecom Protocol Developer

Persistent Systems; Bengaluru; Hybrid; INR 4,000,000 - 7,000,000; Full time

Benefits offered by this job

Competitive salary

Benefits package

Growth opportunities

Education assistance

Cutting-edge tech

Employee events

Insurance coverage

Hybrid work

Job summary

Persistent Systems in Bengaluru seeks a Senior Telecom Protocol Developer to design, develop and enhance eNodeB/gNodeB software components. You will implement NAS and SCTP protocols, optimize LTE/5G stacks, and troubleshoot complex signaling issues on Linux.

Ideal candidates have 7–15 years of telecom software experience, strong C skills in Linux, and a track record in protocol integration and performance optimization. Hybrid work and growth opportunities are offered.

Qualifications

• 7 to 15 years in telecom software development.
• Strong C programming in Linux.
• Experience with LTE/5G RAN and protocol stacks.
• Proven NAS and SCTP protocol development.
• Experience debugging signaling and protocol issues.
• Ability to work with cross-functional teams.

Responsibilities

• Design, develop, and maintain eNodeB/gNodeB software components.
• Implement and optimize LTE/5G protocol stacks.
• Develop high-performance telecom software in C on Linux.
• Design and implement NAS and SCTP protocol functionalities.
• Analyze protocol logs and troubleshoot network issues.
• Perform integration, validation, and protocol testing.
• Optimize performance, memory, and processing efficiency.
• Collaborate with architects, QA, and systems teams.
• Contribute to protocol architecture discussions.
• Support interoperability testing and documentation.

Skills

C programming

LTE/5G RAN

Protocol stack

NAS SCTP

Linux debugging

Telecom experience

Job description

We are seeking an experienced Telecom Protocol Developer with strong expertise in C programming, LTE/5G RAN technologies, and telecom protocol stack development. The ideal candidate will be responsible for designing, developing, and enhancing eNodeB/gNodeB software components, implementing NAS and SCTP protocols, troubleshooting complex protocol issues, and optimizing network performance. This role provides an opportunity to work on next-generation wireless communication technologies and contribute to the development of high-performance telecom solutions in Linux-based environments.

• Role: Senior Telecom Protocol Developer
• Experience: 7 to 15 Years
• Job Type: Full-Time Employment

What You'll Do:

• Design, develop, and maintain software components for LTE and 5G eNodeB/gNodeB platforms.
• Implement and optimize features across LTE/5G protocol stacks.
• Develop high-performance telecom software modules using C programming on Linux platforms.
• Design and implement NAS (Non-Access Stratum) and SCTP protocol functionalities.
• Analyze protocol logs, debug signaling issues, and troubleshoot complex network problems.
• Perform software integration, system validation, defect resolution, and protocol compliance testing.
• Optimize application performance, memory utilization, and processing efficiency.
• Collaborate with architects, QA teams, product owners, and system engineers to deliver robust telecom solutions.
• Participate in feature design discussions and contribute to protocol architecture enhancements.
• Support interoperability testing with network equipment and third-party systems.
• Develop technical documentation, design specifications, and implementation guidelines.
• Contribute to continuous improvement initiatives focused on product quality, scalability, and reliability.

Expertise You'll Bring:

• 7 to 15 years of experience in telecom software development and protocol stack engineering.
• Strong hands-on programming expertise in C within Linux environments.
• In-depth understanding of LTE and 5G RAN architecture and network components.
• Proven experience in NAS (Non-Access Stratum) and SCTP protocol development.
• Strong knowledge of mobile communication protocols and signaling procedures.
• Experience working on eNodeB, gNodeB, or wireless network infrastructure products.
• Expertise in protocol integration, troubleshooting, debugging, and performance optimization.
• Strong Linux development experience, including debugging and system-level analysis.
• Knowledge of RRC, S1AP, X2AP, NGAP, and other 4G/5G signaling protocols.
• Experience with packet analysis and protocol troubleshooting tools.
• Understanding of telecom network architecture, mobility management, and subscriber signaling flows.
• Strong analytical, problem-solving, and debugging capabilities.
• Experience with software version control, build systems, and development lifecycle processes.
• Ability to work effectively in cross-functional and globally distributed teams.
• Excellent communication and technical documentation skills.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."