{"id":2766758,"url":"https://alion.io/job/mavenir-nbiot-l2-engineer","title":"NBIOT L2 Engineer","company":{"id":2049696,"name":"Mavenir","domain":"mavenir.com","url":"https://alion.io/company/mavenir","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Unix","optional":false},{"name":"Waterfall","optional":false},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-10-16T00:00:00Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-23T14:39:31Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industry's only end-to-end, cloud-native network software provider, Mavenir is transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world’s subscribers.\nRole Summary\nPlans, designs, develops and tests software systems or applications for software enhancements and new products including cloud-based or internet-related tools.May use common development methodologies such as Waterfall and Agile.\nKey Responsibilities\nDesign, implement, and debug Layer 2/3 control and data path features\nMaintain MAC scheduler behavior for UL/DL grant decisions and resource allocation\nWork on RLC and PDCP flows for segmentation, retransmission, reordering, and bearer management\nImplement and validate UE/CELL state transitions driven by RRC and S1AP/X2AP messages\nTroubleshoot protocol interoperability and real-world failure scenarios\nOptimize scheduler and bearer behavior for NB-IoT constraints such as coverage, latency, and power efficiency\nJob Requirements\nMust-have skills\nStrong understanding of 3GPP LTE/NB-IoT Layer 2 and Layer 3 protocols:MAC scheduling, HARQ, RACH, paging, logical channels, and UE state handlingRLC modes and retransmission behaviorPDCP sequence numbering, security, ROHC, and bearer managementRRC setup/reconfiguration/release and UE control proceduresS1AP/X2AP signaling and UE/cell context management\nHands-on experience in C/C++ development for telecom or embedded networking stacks\nFamiliarity with low-latency, real-time scheduling and event-driven protocol processing\nExperience with:Linux/Unix environmentsmultithreading and shared-memory designtimers, state machines, and protocol packet processingdebugging packet traces and protocol logs\nUnderstanding of LTE/NB-IoT bearer concepts:SRB/DRBlogical channels and transport channelsUE context, cell context, and RB reconfigurationconnection establishment, mobility, and release procedures\nPreferred experience\nExperience with NB-IoT or LTE eNodeB stack development\nKnowledge of 3GPP specs: MAC, RLC, PDCP, RRC, S1AP, X2AP\nFamiliarity with ASN.1 / protocol encoders/decoders\nExperience with security/encryption functions used in PDCP\nExposure to scheduler optimization, throughput/latency tuning, and interference handling\nAbility to work with vendor stacks and trace tools such as Wireshark, logs, and internal UE/eNB diagnostics\n Accessibility\nMavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you require any assistance, please state in your application or contact your recruiter.\nMavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardlessof their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.","description_format":"text","description_chars":3075,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Telecommunications","Mobile Networks"],"lifecycle":[{"event":"open","at":"2026-10-17T04:20:09Z"}],"visa":[],"liveness":{"score":80,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.841,"p_room":0.945,"age_days":9,"expected_fill_days":25,"reasons":["conf:39","velocity","win:mid"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/mavenir-nbiot-l2-engineer","json_url":"https://alion.io/job/mavenir-nbiot-l2-engineer.json","meta":{"generated_at":"2026-10-25T11:23:22Z","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":16495,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":2049696},"rest":"https://alion.io/mcp/rest/get_company?id=2049696"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmavenir-nbiot-l2-engineer"},{"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%2Fmavenir-nbiot-l2-engineer"},{"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%2Fmavenir-nbiot-l2-engineer"},{"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/mavenir-nbiot-l2-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmavenir-nbiot-l2-engineer"}]}