{"id":3666819,"url":"https://alion.io/job/ericsson-solution-architect-ims","title":"Solution Architect - IMS","company":{"id":56456,"name":"Ericsson","domain":"ericsson.com","url":"https://alion.io/company/ericsson","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"A","score":85,"open_postings":126,"ghost_share":0.024,"stale_share":0.468,"repost_share":0.103,"time_to_fill_p50_days":35,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Solutions","role_family":"Solutions","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kolkata, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Wireshark","optional":false},{"name":"OpenStack","optional":true}],"status":"live","first_seen_at":"2026-10-29T10:08:53Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T22:21:16Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"Join our Team\nAbout this opportunity:\nJoin our dynamic team at Ericsson as a Solution Architect. In this pivotal role of Design IMS solutions that scale, interoperate, and perform. You will turn customer needs into robust architectures, lead end-to-end design across multi-vendor environments, and guide delivery teams from blueprint to acceptance. The goal is simple, resilient IMS, ready for VoLTE, VoWiFi, and cloud-native evolution.\nWhat you will do:\nOwn the IMS solution architecture, align HLD and LLD with customer requirements, standards, and Ericsson best practices.\nDefine reference architectures for CSCF, SBC, TAS, DNS/ENUM, and related domains, including integration with EPC/5GC.\nLead discovery and translate business and technical needs into clear design decisions, risks, and trade-offs.\nProduce and review design deliverables, HLD/LLD, capacity and scaling models, security controls, data flows, and call flows.\nSet integration strategy and guardrails, support MOP definition for live activities, and ensure design compliance during rollout.\nDefine test strategies for SIT, IOT, and UAT, align acceptance criteria with KPIs and SLAs, and sign off on readiness.\nGuide troubleshooting on complex issues, drive root cause analysis, and steer corrective actions with L2/L3 teams.\nOptimize architecture for performance, resilience, and cost. Lead parameter tuning guidance and capacity planning.\nShape the cloud journey with NFV and cloud-native patterns on Kubernetes, and promote automation across on-prem and hybrid clouds.\nPartner across domains, Cloud, PACO, Transport, Security, and customer stakeholders. Run technical workshops and design reviews.\nMaintain architecture standards, reusable patterns, and knowledge assets for repeatable delivery.\nThe skills you bring:\nDeep understanding of IMS architecture and 3GPP standards, with practical design authority in multi-vendor environments.\nStrong grasp of SIP, SDP, DIAMETER, and call flows for VoLTE and VoWiFi, with interworking to EPC/5GC.\nHands-on credibility with IMS nodes, CSCF, TAS, SBC, DNS/ENUM, plus policy and charging touchpoints.\nProficiency in Linux fundamentals, networking, routing, DNS, TLS, and security principles for IMS.\nExperience defining test strategies and acceptance for carrier-grade services and KPIs.\nComfort with logs and traces, and tools like Wireshark, to validate design and isolate defects.\nCloud and virtualization know-how, NFV, containers, Kubernetes, CI/CD, and exposure to cloud-native IMS.\nScripting for automation advantage, Python or Shell, to support design validation and tooling.\nClear communicator who can lead technical discussions, simplify complexity, and influence decisions.\nThe skills you bring:\nBE/B.Tech/MCA or equivalent.\n9 to 15 years in telecom core or IMS, with at least 5+ years in solution or architecture roles.\nProven track record delivering IMS, VoLTE or VoWiFi, from design to acceptance in live networks.\nCertifications are a plus, IMS or VoLTE, Linux, cloud, Kubernetes, OpenStack.","description_format":"text","description_chars":3018,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Mobile Networks","Telecom Infrastructure","Network Equipment"],"lifecycle":[{"event":"open","at":"2026-11-03T06:55:00Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":7,"expected_fill_days":35,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/ericsson-solution-architect-ims","json_url":"https://alion.io/job/ericsson-solution-architect-ims.json","meta":{"generated_at":"2026-11-07T00:59:25Z","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":2409,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":56456},"rest":"https://alion.io/mcp/rest/get_company?id=56456"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fericsson-solution-architect-ims"},{"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%2Fericsson-solution-architect-ims"},{"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%2Fericsson-solution-architect-ims"},{"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/ericsson-solution-architect-ims\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fericsson-solution-architect-ims"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3666819}},{"tool":"search_jobs","arguments":{"company":"ericsson.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3666819},"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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