Advanced Network Technician 4

BT Group; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

BT Group seeks a NOC Engineer for Bengaluru to monitor BT's global managed Voice services in a 24x7 operations team. You will own incidents end-to-end and coordinate with vendors to resolve faults swiftly while maintaining service levels.

Role requires SBCs, Ericsson Telephony Server, Juniper routers, VoIP/SIP knowledge, and ITIL-based incident management. CCNA Voice certification is a plus.

Qualifications

• 3+ years hands-on experience in voice/telecom operations.
• Experience with SBCs and voice platforms.
• CCNA Voice or SSCA certification desirable.
• Basic knowledge of VoIP/SIP and call flows.

Responsibilities

• Monitor global voice services, assess alarms/events, and identify service impact.
• Own incidents end-to-end using ITSM tools, ensuring updates and SLA adherence.
• Diagnose and troubleshoot faults using logs, dashboards and runbooks.
• Escalate issues based on impact, urgency, and resolution path.
• Coordinate with vendors/carriers to progress third-party faults/escals.
• Communicate clearly with customers and stakeholders during high-pressure incidents.
• Manage and prioritise multiple incidents to minimise service impact.
• Support root cause analysis and continuous improvement.

Skills

Voice fundamentals

Monitoring & triage

Incident management

Troubleshooting

Vendor coordination

Communication

Time management

Analytical skills

Education

CCNA Voice certification or SSCA

Tools

SBCs

Ericsson Telephony Server

Juniper routers

Job description

Job Req ID: 62891

Posting Date: 17-Sep-26

Function: Engineering

Location: Bellandur, Bengaluru

Salary: Competitive

About the role

In BTI Network and Infrastructure Operations we monitor and manage BT’s global managed Voice services, 24 hours a day, 365 days a year. This includes our core Global managed Voice networks that serve our BT global customers around the world. The role will require you to be part of a 24 x 7 operations teams to monitor and maintain our core platforms, ensuring we are putting our BTI international customers at the front of everything we do.

What you’ll be doing

• Monitor global voice services, assess alarms/events, and identify service impact
• Own incidents end-to-end using ITSM tools, ensuring accurate updates and SLA adherence.
• Diagnose and troubleshoot faults, using logs, dashboards, and runbooks.
• Escalate issues appropriately based on impact, urgency, and resolution path.
• Coordinate with vendors/carriers to progress third-party faults and escalations.
• Communicate clearly with customers and stakeholders, especially during high-pressure incidents.
• Manage and prioritise multiple incidents to minimise service impact.
• Support root cause analysis and continuous improvement.
• Work collaboratively in a shift/on-call environment with strong ownership and handovers

Essential Skills

Skills:

• Voice, VOIP fundamentals
• Monitoring & event triage (alarms/events)
• Incident, ticket & escalation management ( ITIL )
• Fault diagnosis & troubleshooting support
• 3rd party Supplier/vendor coordination
• Strong communication & customer focus
• Time management & operational discipline
• Problem-solving & analytical skills

Experience

Experience of 3+yrs

• Hands-on experience with SBCs, Ericsson Telephoney Server, Juniper routers
• Relevant vendor certification (e.g. CCNA Voice or SSCA) or equivalent practical experience
• Basic knowledge of VoIP/SIP and call flows.
• Awareness of SBCs (Session Border Controllers) and voice security principles

Our Package

At BT International, our purpose is to keep the world connected. As part of BT, we build on almost 180 years of innovation and expertise to deliver secure connectivity and digital services to some of the world’s leading multinational businesses and organisations. Our customers trust us to safeguard their data, drive their digital transformation and keep their businesses running. With colleagues on the ground across the world and supporting customers wherever they need to operate, BT International offers a truly global experience. Whether it’s about providing cloud connectivity, helping organisations collaborate, or enabling innovation in cybersecurity and digital services, you’ll be part of a team that shapes how businesses succeed in a world that is being transformed by AI. If you have the drive and ambition to make an impact on a global stage, BT International is where it happens.