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VoIP Softswitch

VoIP Softswitch

SignalmashAnantapur, Andhra Pradesh, India
15 hours ago
Job description

VoIP Softswitch & NOC Technician (India)

Signalmash

  • Full-time, US Hours

About Signalmash

Signalmash is a leading telecommunications provider specializing in high-quality voice services and carrier-grade solutions. We're committed to delivering reliable, innovative communication services to our customers while maintaining the highest standards of network performance and customer support.

The Opportunity

We're looking for an experienced VoIP Softswitch & NOC Technician to join our technical operations team. In this role, you'll be at the heart of our telecommunications infrastructure, managing our Class 4 softswitch platform, establishing carrier interconnections, and ensuring optimal network performance. If you're passionate about VoIP technology and thrive in a fast-paced environment where your technical expertise directly impacts service quality, we want to hear from you.

What You'll Do

  • Configure and manage Class 4 softswitch routing, including LCR optimization and traffic management
  • Administer billing systems and rating configurations for accurate call processing and invoicing
  • Set up and configure interconnections with customers, carriers, and vendor partners
  • Analyze packet captures (PCAPs) using Wireshark to diagnose call quality issues, routing problems, and protocol errors
  • Monitor system performance, capacity, and call quality metrics through NOC tools
  • Create, manage, and resolve trouble tickets in collaboration with customers and vendors
  • Test and validate new routes and trunks to ensure proper call flow and audio quality
  • Investigate and resolve issues related to SIP signaling, media path, codec negotiation, and network connectivity
  • Maintain comprehensive documentation of system configurations, network diagrams, and interconnection specifications
  • Respond to alerts and alarms to minimize service disruptions and maintain SLA compliance
  • Participate in on-call rotation to provide 24 / 7 support coverage

    • What We're Looking For

    Required :

  • 2+ years hands-on experience with Class 4 softswitch platforms
  • Experience with PeerEdge by 46 Labs strongly preferred (or similar platforms such as SipNav, DeNova Labs, Veriswitch, FreeSWITCH, Kamailio, or OpenSIPS)
  • Proven ability to configure routing, billing, and rating systems
  • Strong understanding of VoIP protocols including SIP, RTP, RTCP, and SDP
  • Proficiency with packet capture analysis tools (Wireshark, tcpdump)
  • Solid grasp of TCP / IP, UDP, networking fundamentals, and QoS concepts
  • Experience diagnosing codec issues, latency, jitter, and packet loss
  • Familiarity with firewalls, NAT traversal, and session border controllers (SBCs)
  • Experience with trouble ticket systems and NOC operational procedures
  • Strong documentation skills and meticulous attention to detail
  • Excellent written and verbal communication skills
  • Ability to work independently and manage multiple priorities effectively

    • Preferred :

  • Experience with CDR analysis and fraud detection / prevention
  • Knowledge of SS7, ISUP, or TDM-to-IP gateway configurations
  • Scripting skills (Python, Bash, or similar) for task automation
  • Industry certifications (Cisco, Juniper, or VoIP-specific certifications)
  • Familiarity with wholesale carrier ecosystems and peering arrangements
  • Experience in a telecommunications or carrier environment

    • Work Schedule & Location

  • Full-time position
  • US business hours (flexible across EST / CST / MST / PST time zones)
  • Remote work available
  • On-call rotation participation required

    • Why Join Signalmash?

  • Competitive salary and comprehensive benefits package
  • Work with cutting-edge telecommunications technology
  • Collaborative team environment with experienced professionals
  • Opportunities for professional growth and skill development
  • Make a direct impact on critical communication infrastructure
  • Flexible remote work options

    • How to Apply

    We'd love to learn more about you Please send the following to :

  • Your resume
  • A brief Loom video (2-3 minutes) introducing yourself and describing your most challenging VoIP troubleshooting experience and how you resolved it

    • Signalmash is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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    Voip • Anantapur, Andhra Pradesh, India

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