NOC Routing Operations & Softswitch Shift Lead

Department: 24/7 Network Operations Center • Location: Work From Home (Remote / 24/7 Shifts) • Employment: Full-time

Lead NOC operational shifts, manage Class 4 softswitch routing partitions, adjust Least Cost Routing (LCR) tables, resolve complex Tier-2/3 SIP signaling issues, and coordinate major carrier incidents.

Key Responsibilities

• Lead 24/7 NOC shift teams, supervising live route monitoring, ticket queues, and carrier SLA adherence.
• Configure and tune Least Cost Routing (LCR) and Quality-of-Service (QoS) routing partitions on Class 4 softswitches.
• Troubleshoot complex SIP signaling errors (4xx, 5xx, 6xx responses, SDP codec mismatches, 1-way audio, RTP timeouts).
• Manage major network incident bridges and coordinate technical resolutions with upstream carrier partner NOCs.
• Optimize SMS gateway bind parameters, SMPP throttling limits, and TLS encrypted interconnects.

Candidate Requirements

• 4+ years hands-on experience with Class 4 softswitches (Kamailio, FreeSWITCH, OpenSIPS) or carrier-grade SBCs.
• In-depth mastery of RFC 3261 SIP protocols, RTP/RTCP media streams, and SMPP v3.4 messaging specs.
• Proven ability to lead shift operations, mentor junior engineers, and manage critical customer escalations.
• Solid Linux systems administration and scripting skills (Bash / Python / SQL).
• Willingness to work rotational shifts as a senior technical escalation authority.

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