- :
- Key Responsibilities
- - - Integrate with SIP/VoIP providers: configure SIP trunking, channel provisioning, carrier-grade SIP-level integration
- - Deploy and manage VoIP platforms (Asterisk, Kamailio) and media relays (RTPengine); FreeSWITCH experience is a plus
- - Terminate and manage media flows in company data centres, supporting AI-based voice processing
- - Configure networking for call routing and NAT traversal in data centre and client environments
- - Handle Linux server administration, containerization, patching, and automation
- - Diagnose and debug real-time media issues using tools like Wireshark, sngrep, tcpdump
- - Architect call routes, dial plans, load balancing, failover strategies across deployments
- - Collaborate with engineering teams to integrate with platforms like Twilio and Genesys
- - Document systems, network designs, call flows, deployment SOPs
- - Travel to client on‑site locations to perform installations, network setups, and hands-on support
- - Required Technical Skills
- - - Strong expertise with Asterisk: dial plans, ARI, AMI, voice codecs, IVR logic
- - Proficient in Kamailio: NAT handling, registrar, dispatcher and SIP proxy logic
- - Experience configuring RTPengine for media relay and NAT traversal
- - Deep understanding of SIP protocol, SDP negotiation, RTP, call flows and signaling
- - Advanced grid of computer networking: NAT, STUN/TURN, routing, subnetting, packet filtering, firewalls, load balancing
- - Experience integrating with SIP providers (DID/toll‑free channels through Twilio/Genesys or others)
- - Strong Linux administration:



Debian/Ubuntu/CentOS/RHEL; scripting (bash, python) for automation; monitoring
- - Hands-on debugging experience with SIP/RTP diagnostics and trace tools
- - Experience with SIP load testing using tools like SIPp
- - Creation and management of observability dashboards using Prometheus and Grafana
- - Preferred/Bonus Skills
- - - Experience with FreeSWITCH deployments
- - Docker and containerized deployment experience to manage VoIP stacks and services
- - Exposure to cloud platforms (AWS, Azure, or GCP) for hybrid or scalable VoIP deployments
- - Understanding of VoIP security (TLS, SRTP), SBC configuration, and QoS implementation
- - Experience with SBCs and secure SIP peering
- - Familiarity with traffic shaping, jitter buffering and SIP analytics platforms like Homer/SIPCAPTURE
- - REST API integration for Twilio, Genesys, or other CPaaS systems
- - Basic knowledge of databases like PostgreSQL or MongoDB
- - Version control with Git and basic CI/CD automation tools
- - Experience with Dialer or Call Center software such as Cisco or Genesys
- - Experience configuring agent desktops over CTI integrations
- - Soft Skills & Communication
- - - Excellent verbal and written communication skills for interacting with clients and cross-functional teams
- - Proactive, detail‑oriented mindset with strong problem-solving and analytical skills
- - Ability to manage client expectations, lead on‑site technical discussions, and produce transparent documentation
- - Team player comfortable working in fast‑paced engineering culture

📌 DevOps Engineer (Mumbai)
🏢 gnani.ai
📍 Mumbai