{"id":3582065,"url":"https://alion.io/job/tech-mahindra-network-engineer","title":"Network Engineer","company":{"id":5484,"name":"Tech Mahindra","domain":"techmahindra.com","url":"https://alion.io/company/tech-mahindra","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":7000,"max_usd":20000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":222},"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Incident Management","optional":false},{"name":"NER","optional":false},{"name":"Speech Recognition","optional":false}],"status":"live","first_seen_at":"2026-11-01T04:21:11Z","employer_posted_date":"2026-11-01","last_verified_at":"2026-11-04T03:38:46Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Job Description\n\nSkill Set :\nIP Voice Protocols SIP/RTP & Call Flows\n\nTotal Experience :\n3.00 to 19.00 Years\n\nNo of Openings :\n1\n\nJob Post Date :\n06/10/2026\n\nJob Expiry Date :\n30/11/2026\n\nDomain :\nIT\n\nLocation :\nHYDERABAD [India]\n\nJob Reference No :\n4105377\n\nJob Summary\nJob Description: L1 VoIP Engineer (ILD Voice NOC) & SMS operations\nExperience Level: 2‿3 Years | Location: NOC Operations | Shift: 24/7 Rotational\nKey Responsibilities\n Advanced Troubleshooting: Resolve escalated tickets involving one way audio, PDD (Post Dial Delay), dead air, and $4xx$/$5xx$/$6xx$ SIP error codes.\n Traffic Surveillance: Proactively monitor ILD traffic KPIs (ASR, ACD, NER) to detect route degradation or outages before they impact customers.\n Carrier Interconnects: Liaise with international Tier 1 and Tier 2 carriers for circuit testing, fault isolation, and RFO (Reason for Outage) documentation.\nProtocol Analysis: Perform deep packet analysis of SIP ladders and RTP streams to identify latency, jitter, and packet loss.\n Routing Management: Assist in Least Cost Routing (LCR) updates and implement translation rules/digit manipulation on Media Gateways.\n Fraud Mitigation: Monitor and block suspicious traffic patterns related to IRSF (International Revenue Share Fraud) and Wangiri attacks.\nIncident management L1/L2 support, Act as NOC team for routing/quality issues and manage monitoring and alerting for all aspects of SMS Delivery completion and quality\nOnboard, test and analyze new and existing partner/carrier connectivity to unlock new quality and pricing opportunities\nOnboard clients by explaining platform features and global messaging requirements and limitations and handling issues reported by them.\nKnowledge Management Create and maintain accurate and easy to follow internal documentation of new and existing operational processes.\nWork with our teams in a full transparent and respectful manner.\nRequired:\nGood to have Voice & SMS messaging knowledge but not compulsory\nAbility to communicate in English fluently to engage with stakeholders and partners\n1+ years experience in production support or Network Operations\nFluency in performing analysis and evaluation using key operational metrics.\nExperience in troubleshooting and resolve critical or escalated technical issues\nThorough, organized, and process oriented to the extreme. 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