{"id":2815968,"url":"https://alion.io/job/persistent-systems-senior-telecom-protocol-developer","title":"Senior Telecom Protocol Developer","company":{"id":59479,"name":"Persistent Systems","domain":"persistent.com","url":"https://alion.io/company/persistent-systems","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zwayam","truth_index":{"grade":"B","score":75,"open_postings":17,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17000,"max_usd":39000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false}],"status":"closed","first_seen_at":"2026-08-25T03:25:38Z","employer_posted_date":"2026-10-18","last_verified_at":"2026-10-18T23:01:53Z","board_verified":false,"closed_at":"2026-10-18T23:01:53Z","days_open":54,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":54},"description":"About Persistent\nWe are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what's next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.\nOur disruptor's mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix Assessment 2026 and Software Product Engineering PEAK Matrix Assessment 2026.\nAbout Position:\nWe 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.\nRole: Senior Telecom Protocol Developer\nLocation: Gurugram, Bengaluru\nExperience: 7 to 15 Years\nJob Type: Full Time Employment\nWhat You'll Do:\nDesign, develop, and maintain software components for LTE and 5G eNodeB/gNodeB platforms.\nImplement and optimize features across LTE/5G protocol stacks.\nDevelop high-performance telecom software modules using C programming on Linux platforms.\nDesign and implement NAS (Non-Access Stratum) and SCTP protocol functionalities.\nAnalyze protocol logs, debug signaling issues, and troubleshoot complex network problems.\nPerform software integration, system validation, defect resolution, and protocol compliance testing.\nOptimize application performance, memory utilization, and processing efficiency.\nCollaborate with architects, QA teams, product owners, and system engineers to deliver robust telecom solutions.\nParticipate in feature design discussions and contribute to protocol architecture enhancements.\nSupport interoperability testing with network equipment and third-party systems.\nDevelop technical documentation, design specifications, and implementation guidelines.\nContribute to continuous improvement initiatives focused on product quality, scalability, and reliability.\nExpertise You'll Bring:\n7-15 years of experience in telecom software development and protocol stack engineering.\nStrong hands-on programming expertise in C within Linux environments.\nIn-depth understanding of LTE and 5G RAN architecture and network components.\nProven experience in NAS (Non-Access Stratum) and SCTP protocol development.\nStrong knowledge of mobile communication protocols and signaling procedures.\nExperience working on eNodeB, gNodeB, or wireless network infrastructure products.\nExpertise in protocol integration, troubleshooting, debugging, and performance optimization.\nStrong Linux development experience, including debugging and system-level analysis.\nKnowledge of RRC, S1AP, X2AP, NGAP, and other 4G/5G signaling protocols.\nExperience with packet analysis and protocol troubleshooting tools.\nUnderstanding of telecom network architecture, mobility management, and subscriber signaling flows.\nStrong analytical, problem-solving, and debugging capabilities.\nExperience with software version control, build systems, and development lifecycle processes.\nAbility to work effectively in cross-functional and globally distributed teams.\nExcellent communication and technical documentation skills.\nBenefits:\nCompetitive salary and benefits package\nCulture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications\nOpportunity to work with cutting-edge technologies\nEmployee engagement initiatives such as project parties, flexible work hours, and Long Service awards\nAnnual health check-ups\nInsurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents\nValues-Driven, People-Centric & Inclusive Work Environment:\nPersistent 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.\nWe support hybrid work and flexible hours to fit diverse lifestyles.\nOur office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.\nIf you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment\nLet's unleash your full potential at Persistent -persistent.com/careers\n“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”","description_format":"text","description_chars":5818,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Growth opportunities","Hybrid work","Insurance coverage"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Health Care","Information Technology","IT Outsourcing & Dedicated Teams"],"lifecycle":[{"event":"open","at":"2026-10-18T13:09:05Z"},{"event":"close","at":"2026-10-18T23:01:53Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/persistent-systems-senior-telecom-protocol-developer","json_url":"https://alion.io/job/persistent-systems-senior-telecom-protocol-developer.json","meta":{"generated_at":"2026-10-18T23:48:15Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":26318,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":59479},"rest":"https://alion.io/mcp/rest/get_company?id=59479"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpersistent-systems-senior-telecom-protocol-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fpersistent-systems-senior-telecom-protocol-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fpersistent-systems-senior-telecom-protocol-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/persistent-systems-senior-telecom-protocol-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpersistent-systems-senior-telecom-protocol-developer"}]}