VoIP Engineer

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.

• 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.