{"id":3603587,"url":"https://alion.io/job/mavenir-senior-telecom-validation-engineer-5g-core-smf","title":"Senior Telecom Validation Engineer - 5G Core (SMF)","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":"senior","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":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"Robot Framework","optional":false}],"status":"live","first_seen_at":"2026-11-02T10:41:39Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-05T00:03:05Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"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\nPrepares test and diagnostic programs, designs test fixtures and equipment, and completes specifications and procedures for new products. Key Responsibilities\nResponsible for participating in the evolution and execution of procedures for ensuring the quality of new features and releases of software products. Debugs software products through the use of systematic tests to develop, apply, and maintain quality standards for company products. Develops, modifies, and executes software test plans, automated scripts and programs for testing. Analyzes and writes test standards and procedures. Maintains documentation of test results to assist in debugging and modification of software. Analyzes test results to ensure existing functionality and recommends corrective action. Consults with development engineers in resolution of problems. Provides feedback in preparation of technical appraisals of programming languages, systems, and computation software.\nKey Responsibilities\nValidate 5G Core network functions with focus on SMF, AMF, UPF, NRF, and UDM.\nExecute and troubleshoot PDU Session, mobility, policy, and subscriber management call flows.\nAnalyze NGAP, PFCP, HTTP2/SBI, NAS, and GTP-U traces for issue identification and RCA.\nDevelop and maintain automation frameworks using Python and Robot Framework.\nPerform interoperability, resiliency, failover, and error injection testing.\nInvestigate customer-reported issues and drive root cause analysis using logs and packet captures.\nValidate cloud-native deployments, upgrades, scaling, and Kubernetes-based CNF environments.\nDesign test strategies, regression plans, and quality metrics for new feature releases.\nCollaborate with cross-functional teams to improve product quality\nJob Requirements\nSMF architecture and functions\nPDU Session Establishment, Modification, Release\nNetwork-triggered and UE-triggered procedures\nUPF selection and traffic steering\nPolicy and charging concepts\nMobility and session continuity (SSC modes)\nNetwork slicing (S-NSSAI, DNN)\n2. Protocol Expertise\nStrong understanding and troubleshooting capability for:\nHTTP2 / SBI APIs\nPFCP (N4 Interface)\nNGAP (N2 Interface)\nNAS messages\nGTP-U\nSCTP\nDiameter (good to have for EPC background)\nJob Families for Job Profiles\nSoftware - Quality Assurance\nJob Requirements\nupdated above\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":3250,"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":"2026-11-02T10:41:39Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":25,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-11-04T06:34:25Z"},"pay":null,"html_url":"https://alion.io/job/mavenir-senior-telecom-validation-engineer-5g-core-smf","json_url":"https://alion.io/job/mavenir-senior-telecom-validation-engineer-5g-core-smf.json","meta":{"generated_at":"2026-11-05T01:14:30Z","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":1474,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"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-senior-telecom-validation-engineer-5g-core-smf"},{"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-senior-telecom-validation-engineer-5g-core-smf"},{"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-senior-telecom-validation-engineer-5g-core-smf"},{"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-senior-telecom-validation-engineer-5g-core-smf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmavenir-senior-telecom-validation-engineer-5g-core-smf"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3603587}},{"tool":"search_jobs","arguments":{"company":"mavenir.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3603587},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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