Job Description

Role: Nortel Diagnostic Engineer

Experience:6+ years

Location: Hyderabad/Remote

Job Summary:

We are seeking a highly experienced L3 Support Engineer with deep expertise in Nortel CS1000/1000e systems to join our Managed Services team. The ideal candidate will have extensive hands-on experience in installation, maintenance, troubleshooting, and support of Nortel voice infrastructure, including legacy and current systems. This role requires strong knowledge of VoIP, SIP, SBCs, and contact center technologies, with a focus on remote maintenance and repair.

Key Responsibilities:

Provide Level 3 support for Nortel CS1000/1000e systems and associated voice infrastructure. Perform remote maintenance, repair, and alarm triage for Nortel platforms. Troubleshoot and resolve complex issues related to VoIP, SIP, and TDM environments. Support and maintain CallPilot, Meridian Mail, and PMS systems for hospitality clients. Manage and support System/Session Manager, AACC, and Contact Center environments. Configure and troubleshoot SBCs, T1s, PRIs, DCH, and NARS/BARS routing. Apply patches and perform upgrades on Nortel systems. Handle Signaling Server break/fix, MACs, and alarm triage. Support legacy systems including BCM and Norstar. Maintain detailed documentation of system configurations, incidents, and resolutions. Collaborate with internal teams and vendors for escalations and service improvements.

Technical Skills:

Nortel CS1000e (minimum Rls. 5, preferred Rls. 7.65) Option 11, Option 21-81, CS1K Rls 5-7.65 CallPilot / Meridian Mail System Manager / Session Manager AACC (Avaya Aura Contact Center) SBCs with SIP connectivity T1, PRI, DCH configuration and troubleshooting NARS/BARS routing PMS integration for hotel/motel applications Nortel patching and upgrade procedures Signaling Server - MACs, alarms, break/fix BCM and Norstar systems

Preferred Qualifications & Certifications:

Nortel Certified Support Specialist (or equivalent legacy certifications) Avaya Certified Implementation Specialist (ACIS) - for AACC or Session Manager ITIL Foundation Certification

Strong understanding of VoIP, SIP, and telephony protocols

Familiarity with networking fundamentals, Windows Server, and remote access tools
Job Types: Full-time, Permanent

Pay: Up to ₹2,400,000.00 per year

Work Location: Remote