Solution Architect

Tata Consultancy Services • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • 2 hours ago
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Salary
≈ $29k – $50k per year (Estimated)
Location
In office (Delhi)
Seniority
Architect · 10+ years exp

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Oct 21, 2026.

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Tata Consultancy Services

Tata Consultancy Services (TCS) is a global leader in IT services, consulting, and digital business solutions operating as the flagship tech subsidiary of the Tata Group. Headquartered in Mumbai, India, the company delivers end-to-end capabilities spanning cloud computing, enterprise platforms, cybersecurity, and artificial intelligence to major global enterprises. Employing over 500,000 professionals across dozens of countries, it stands as one of the world's largest IT outsourcing and technology transformation partners.
tcs.com • HQ: Mumbai, India • Management Consulting • Systems Integrators • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • Est. 1968
Tech stack of Tata Consultancy Services

Role: Engineer. Skills: IMS, Telecom Networks - Wireless Network. Experience: 10 - 20 Years. Qualification: Bachelor Of Technology

Solution Architect - PSTN + IMS

Experience: 10 Years+

Location: Hyderabad, Bangalore, Chennai, Kolkata, Delhi NCR

Job Summary

We are seeking an experienced Solution Architect with strong expertise in PSTN and IMS Voice Networks to design, implement, and transform next-generation voice solutions across telecom environments.

Key Skills

  • PSTN & IMS Architecture
  • VoLTE, VoWiFi, VoNR
  • SIP & Diameter Signalling
  • SIP Trunking & Interconnect
  • Call Routing & Numbering Plans
  • SBC, HSS/UDM, TAS, CSCF
  • Emergency Services & Regulatory Compliance
  • HLD/LLD Preparation
  • Migration & Transformation Projects
  • Telecom Core Network Architecture
  • Cloud-Native IMS & Network Automation (Preferred)

Responsibilities

  • Design and deliver PSTN and IMS-based voice solutions.
  • Prepare HLDs, LLDs, architecture documents, and implementation plans.
  • Define call routing, interconnect, roaming, and voice service architecture.
  • Support migration, transformation, integration, and deployment activities.
  • Ensure scalability, resiliency, regulatory compliance, and service continuity.
  • Collaborate with operators, OEMs, and cross-functional teams for solution delivery.
  • Provide technical governance, design reviews, and solution assurance.

Preferred Skills

  • Cloud-Native IMS (VNF/CNF)
  • Kubernetes/OpenShift
  • Ansible, Terraform
  • AI-assisted design review and automation concepts
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