{"id":1252205,"url":"https://alion.io/job/ipgst-india-senior-diameter-engineer","title":"Senior Diameter Engineer","company":{"id":3806638,"name":"IPGST India","domain":"ipgs.net","url":"https://alion.io/company/ipgst-india","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":14500,"max_usd":33000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":20},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":true},{"name":"OpenStack","optional":true},{"name":"Tcpdump","optional":true},{"name":"Unix","optional":true},{"name":"VMWare","optional":true},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-09-15T11:27:24Z","employer_posted_date":null,"last_verified_at":"2026-09-15T11:27:24Z","board_verified":false,"closed_at":null,"days_open":14,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":14},"description":"Role Summary:\n\nWe are seeking an experienced Senior Diameter Engineer to design, implement, optimise, and support carrier-grade Diameter signalling solutions across Data core, Voice, roaming, policy, charging, and subscriber-data environments.\n\nTotal Experience: 8-10 years\n\nKey Responsibilities:\n\n- Govern, design, configure, test, and support DRA, DEA, and Diameter signalling platforms in telco networks.\n\n- Manage Nokia and Ericsson Diameter routing, peer, realm, application, traffic steering, topology hiding, overload, and security configurations.\n\n- Integrate DRA with core network functions such as HSS/HLR, UDM, PCRF/PCF, OCS/CHF, TAS, MME/AMF, SBC, roaming hubs, IPX/GRX providers, and partner networks.\n\n- Support LTE/EPC, IMS, VoLTE, VoWiFi, roaming, policy, charging, subscriber authentication, and 4G-to-5G interworking services.\n\n- Analyse traces, logs, alarms, KPIs, peer status, latency, transaction success rates, and capacity trends to maintain service quality.\n\n- Lead incident investigation and root cause analysis for routing failures, peer issues, congestion, roaming faults, charging issues, and IMS signalling incidents.\n\nTech Stack:\n\n- Platforms: Ericsson DRA/DEA, Nokia DRA/DEA, Ericsson CNIS\n\n- Protocols: Diameter (S6a/S6d, S9, Gx, Gy, Rx, Ro, Cx/Dx, Sh, SWx, SLg, SLh, Sy)\n\n- Technologies: LTE/EPC, IMS, VoLTE, VoWiFi, 4G/5G Interworking, IPX/GRX\n\n- Tools: Wireshark, tcpdump, Linux/Unix CLI, VMware, OpenStack, Kubernetes\n\nSkills\nDiameter, LTE, IMS, VoLTE, WIRESHARK, 5G, Signaling Protocols, Network Protocols","description_format":"text","description_chars":1542,"description_truncated":false,"requirements":{"experience_years_min":8,"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":[],"lifecycle":[{"event":"open","at":"2026-09-25T18:04:06Z"}],"liveness":{"score":69,"band":"ok","label":"Likely open","p_open":1,"p_active":0.768,"p_room":0.9,"age_days":13,"expected_fill_days":23,"reasons":["seen:13","velocity","win:mid"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ipgst-india-senior-diameter-engineer","json_url":"https://alion.io/job/ipgst-india-senior-diameter-engineer.json","meta":{"generated_at":"2026-09-30T00:04:42Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":30,"day_limit":5000,"remaining_today":4970,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}