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# VoIP Engineer

- **Company:** Ova Technologies
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Backup Devices, VoIP, Cisco Unified Communications Manager, Command-Line Interface, Codecs, System Configuration, Network Congestion, Dynamic Host Configuration Protocol, Linux, Network Address Translation, Domain Name System (DNS), Fraud Prevention and Detection, Internet Protocol, IP Pbx, Session Initiation Protocols, Linux Servers, Network Planning and Design, Routing, Performance Tuning, TCP/IP, Tcpdump, Wireshark, Virtual Local Area Networks, Network Routers, System Availability, Firewalls (Computer Science), Information Technology, Low Latency, Cisco
- **Published:** November 5, 2026
- **Apply:** https://www.thejobnetwork.com/job/de051905-e0ed-42be-8057-bce50a3cb941/voip-engineer

## About the Role

* Bachelor's degree in Computer Science, Information Technology, Telecommunications, or equivalent experience.
 * Experience with VoIP protocols including SIP, RTP, SDP, TCP/IP, UDP, and DNS.
 * Strong knowledge of IP networking concepts: VLANs, routing, NAT, DHCP, QoS, and firewalls.
 * Hands-on experience with SIP troubleshooting and call flow analysis.
 * Experience with VoIP platforms such as:
 + Asterisk / FreePBX
 + FreeSWITCH
 + Cisco CUCM
 + 3CX
 + BroadWorks or similar platforms
 * Familiarity with Linux servers and command-line troubleshooting.
 * Knowledge of VoIP security practices and fraud prevention.
 * Experience with cloud VoIP deployments (AWS/Azure/GCP) is a plus.

Preferred Certifications

 * Cisco CCNA / CCNP Collaboration
 * SIP/VoIP vendor certifications
 * Linux certifications
 * Networking or cloud certifications

Soft Skills

 * Strong analytical and problem-solving abilities.
 * Good communication and documentation skills.
 * Ability to work independently and handle production issues.
 * Willingness to participate in on-call support when required.

Experience Level

 * 2 5 years of experience in VoIP engineering, SIP support, or telecom operations.

## Description

We are looking for a skilled VoIP Engineer responsible for designing, deploying, configuring, maintaining, and troubleshooting Voice over IP (VoIP) infrastructure. The role involves managing SIP-based communication systems, VoIP gateways, PBX platforms, call routing, and ensuring high availability and quality of voice services., * Design, configure, and maintain VoIP networks and telephony systems.

 * Install, configure, and troubleshoot IP PBX platforms such as Asterisk, FreeSWITCH, Cisco CUCM, 3CX, or similar systems.
 * Manage SIP trunks, SIP signaling, RTP media, codecs, and call routing configurations.
 * Perform VoIP troubleshooting using tools such as Wireshark, tcpdump, and SIP monitoring platforms.
 * Monitor voice quality metrics including latency, jitter, packet loss, and MOS scores.
 * Configure and maintain VoIP gateways, Clients (Session Border Controllers), routers, and firewalls.
 * Handle SIP registration, NAT traversal, STUN/TURN, and firewall-related VoIP issues.
 * Implement call flows, IVR, dial plans, extensions, and routing rules.
 * Support VoIP integrations with CRM, contact center, and unified communications platforms.
 * Perform system upgrades, backups, patches, and performance tuning.
 * Document network designs, configurations, troubleshooting procedures, and operational processes.
 * Provide technical support and incident resolution for VoIP-related issues.