VoIP & Network Technical Support (NOT General IT Support)

We are seeking an experienced  VoIP & Network Technician  who can handle escalations, advanced troubleshooting, and deeper network analysis in a fast-paced telecom environment. This role requires strong knowledge of  SIP protocols, PBX systems, routing, switching, and network performance diagnostics.

This is  N OT  a desktop support or general IT helpdesk.

Not a Fit If Your Experience Is

Desktop or Microsoft support  Basic IT troubleshooting

No VoIP or network diagnostic experience  Only Tier 1 helpdesk with no escalation experience

Vivant  is on a mission to eliminate the frustrations of internet, phone, network, and WiFi outages for SMBs by guaranteeing 100% uptime through innovative solutions and exceptional support. We totally eliminate costly outages so the businesses can focus on what truly matters, driving growth and success.

At  Vivant  we don’t just hire for open roles—we hire for impact. If you’re exceptional at what you do and align with our core values : Reliability, Product Knowledge, Process Knowledge and Autonomy,

we want to know you!

About the Role :

As a Network and VoIP Support Engineer, you are the first-line technical support for our clients. This role is responsible for proactively diagnosing and resolving common issues, and ensuring a positive customer experience through clear communication and methodical troubleshooting.

Stand out from the crowd. Hear it straight from our CEO & Founder! >

https : / / youtu.be / lvLZ_RP6pdE?si=N5T7T7efpOJCXprC

What You’ll Do :

• Resolve escalated VoIP issues : SIP registration failures, unidirectional audio, NAT traversal, codec mismatches
• Diagnose advanced network problems : packet loss, throughput issues, VLAN misconfigurations, routing loops
• Analyze call flow and SIP messaging (INVITE, ACK, BYE, 200 OK, 180 / 183)
• Perform deep-dive troubleshooting using packet captures (Wireshark or similar)
• Configure and optimize routers, firewalls, VLANs, and QoS for VoIP
• Assist with PBX configuration : call routing, IVRs, ring groups, failover routes
• Support SIP trunk provisioning and registration
• Document root cause analysis and corrective actions
• Mentor or share and help improve internal processes
• Participate in after-hours escalations (as needed)

Requirements

Minimum Requirements

– SIP signaling, RTP streams, codecs

– NAT, firewall rules, port forwarding

– QoS, VLANs, tagging, routing protocols

Nice to Have

Benefits

Schedule :

Location and Work Set-up :

On-Site :   Cebu IT Park, Cebu City

Compensation :