VoIP Softswitch & NOC Technician & Delivery (India)

Signalmash DBA Mash Technologies Corporation; India; On-site; INR 600,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits

Clear growth path and opportunities for skill development

Job summary

A telecommunications provider is seeking an experienced VoIP Softswitch & NOC Technician to join their technical operations team in India. The role involves managing Class 4 softswitch platforms, ensuring network performance, and troubleshooting VoIP issues. Candidates should have hands-on experience with VoIP protocols and traffic management systems. This position offers a remote work opportunity aligned with US business hours.

Qualifications

• 2+ years hands-on experience with Class 4 softswitch platforms.
• Experience with VoIP protocols: SIP, RTP, RTCP, SDP.
• Solid understanding of TCP/IP, UDP, and networking fundamentals.

Responsibilities

• Configure and manage Class 4 softswitch routing and traffic management.
• Monitor system performance and call quality through NOC tools.
• Create, manage, and resolve trouble tickets.

Skills

Experience with Class 4 softswitch platforms

Understanding of VoIP protocols: SIP, RTP, RTCP, SDP

Proficiency with packet capture/analysis tools

Experience diagnosing codec issues

Strong documentation habits

Ability to work independently

Tools

Wireshark

tcpdump

PeerEdge

Job description

VoIP Softswitch & NOC Technician & Delivery (India)

Signalmash is a telecommunications provider delivering high-quality voice services and carrier-grade solutions. We’re looking for an experienced VoIP Softswitch & NOC Technician to join our technical operations team in India.

In this role, you’ll be at the core of our voice infrastructure, managing our Class 4 softswitch platform, establishing and maintaining carrier interconnections, and ensuring network performance and reliability during US business hours.

What You’ll Do

• Configure and manage Class 4 softswitch routing, including LCR optimization and traffic management
• Configure and maintain billing and rating systems for accurate call processing and invoicing
• Set up and manage interconnections with customers, carriers, and vendor partners
• Analyze PCAPs using Wireshark/tcpdump to diagnose call quality, routing, and protocol issues
• Monitor system performance, capacity, and call quality through NOC tools
• Create, manage, and resolve trouble tickets, coordinating with customers and vendors
• Test and validate new routes and trunks for correct call flow and audio quality
• Troubleshoot SIP signaling, media path, codec, and connectivity issues
• Maintain detailed documentation of configurations, network diagrams, and interconnection specs
• Respond to alerts/alarms to minimize disruptions and maintain SLAs
• Participate in on-call rotation for 24/7 coverage

Requirements

• 2+ years hands‑on experience with Class 4 softswitch platforms
• Experience with PeerEdge by 46 Labs strongly preferred, or similar platforms (SipNav, DeNova Labs, Veriswitch, FreeSWITCH, Kamailio, OpenSIPS)
• Proven experience configuring routing, billing, and rating systems
• Strong understanding of VoIP protocols: SIP, RTP, RTCP, SDP
• Proficiency with packet capture/analysis tools (Wireshark, tcpdump)
• Solid understanding of TCP/IP, UDP, networking fundamentals, and QoS
• Experience diagnosing codec issues, latency, jitter, and packet loss
• Familiarity with firewalls, NAT traversal, and SBCs
• Experience with NOC ticketing systems and procedures
• Strong documentation habits and attention to detail
• Ability to work independently and handle multiple priorities

Preferred

• Experience with CDR analysis and fraud detection/prevention
• Knowledge of SS7, ISUP, or TDM‑to‑IP gateways
• Scripting (Python, Bash, or similar) for automation
• Relevant industry certifications (Cisco, Juniper, VoIP‑specific)
• Experience in a carrier / wholesale telecom environment
• Competitive salary and comprehensive benefits
• Fully remote role aligned with US business hours
• Work on carrier‑grade, cutting‑edge VoIP infrastructure
• Collaborative team with strong telecom expertise
• Clear growth path and opportunities for skill development
• Direct impact on critical communications services