Responsible for high-level support role responsible for diagnosing and resolving complex, escalated technical issues in VOIP & PSTN network.
Act as the single line of support before engineering/product teams, ensuring minimal downtime for customers.
Key Responsibilities include

Troubleshooting: Diagnosing complex hardware, software, and network hardware of IMS, NGN, SBC & IP NW and protocol issues (e.g. SIP, DIAMETER, BGP, OSPF, TLS, ISUP, RTP, DLTS, SRTP etc) Root Cause Analysis (RCA): Detailing RCAs for critical or catastrophic outages and implementing corrective actions against these.

Collaboration: Working with cross functional teams such as MPLS/IP, GPON, TX to resolve customers/NW issues and improve quality.

Customer Communication: Delivering high-quality communication to customers regarding technical solutions, often in a 24x7 workplace
Candidates must possess deep technical skills in IMS, NGN, SBC & IP network, cloud computing.
Candidates should have solid skill in various protocols like SIP, SS7, Diameter, SOAP, TLS, RTP, DLTS etc. and have expertise in packet analysis and proficient in tools such as Wireshark.
Candidate should have Proficiency in Linux/Unix administration and troubleshooting
Knowledge of IP subnetting & routing and cloud computing is a must.




Knowledge of Python or shell scripting for automation would be preferred.
Relevant certifications will add to the advantage.
Candidates should possess valuable communication skills.
Should be open for shift work, including nights and weekends.

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Tata Tele Business Services (TTBS), belonging to the prestigious Tata Group of Companies, is the country’s leading enabler of connectivity and communication solutions for businesses. With services ranging from connectivity, collaboration, cloud, security, IoT, and marketing solutions, TTBS offers the largest portfolio of ICT services for businesses in India. With an unwavering focus on customer-centricity and innovation, TTBS continues to garner recognition from customers and peers alike.

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We are India’s leading enabler of digital connectivity and technology solutions for businesses - a feat possible only because we are fueled by the dedication and passion of our people. We welcome the finest talent and believe in nurturing and mentoring them to rise into leadership roles, while standing tall on our ethics and values.

📌 Team Member Voice Hyderabad
🏢 Tata Teleservices
📍 Hyderabad