Company Overview

We are seeking a highly skilled and motivated VoIP Technical Specialist to join our team as a right-hand technical partner. This role is ideal for someone passionate about telecommunications technology and eager to grow in a dynamic environment.

Position Summary

We're looking for a technical expert who can work independently, solve complex VoIP challenges, and help manage our growing portfolio of PBX systems and cloud-based telephony solutions. This is a hands-on role with significant growth potential.

Key Responsibilities

Technical Operations

• Install, configure, and maintain VoIP/PBX systems including Yeastar, cloud PBX platforms, and other enterprise telephony solutions
• Troubleshoot and resolve voice quality issues (jitter, packet loss, latency, echo)
• Perform system upgrades, patches, and firmware updates
• Configure QoS policies on network equipment (FortiGate, routers, switches)
• Manage SIP trunks, DID routing, and carrier integrations

Network & Infrastructure

• Analyze VoIP traffic using packet capture tools (Wireshark, tcpdump)
• Monitor network performance and identify bottlenecks affecting voice quality
• Implement and maintain VLANs for voice traffic segmentation
• Configure firewall rules and NAT traversal for SIP/RTP traffic
• Document network topology and system configurations

Customer Support & Project Management

• Provide tier 2/3 technical support for VoIP-related issues
• Lead implementation projects from planning to deployment
• Train end-users on PBX features and softphone applications
• Create technical documentation and knowledge base articles
• Coordinate with vendors and service providers

Monitoring & Optimization

• Monitor system health using SNMP, syslog, and specialized VoIP monitoring tools
• Generate reports on system performance, call quality metrics (MOS scores), and utilization
• Optimize dial plans, call routing, and IVR configurations
• Implement backup and disaster recovery procedures

Required Skills & Qualifications

Technical Expertise

• Essential:
  • 3+ years of hands-on experience with VoIP/PBX systems
  • Strong understanding of SIP, RTP, and VoIP protocols
  • Experience with Yeastar PBX or similar platforms (FreePBX, 3CX, Asterisk)
  • Proficiency in network troubleshooting (TCP/IP, DNS, DHCP, routing)
  • Knowledge of QoS implementation and traffic prioritization
  • Experience with SIP trunk configuration and carrier integration
• Preferred:
  • Cloud PBX platforms (RingCentral, 8x8, Microsoft Teams Phone)
  • Firewall configuration (FortiGate, pfSense, Cisco ASA)
  • Linux/Unix system administration
  • VoIP security best practices
  • Experience with CRM integrations
  • Knowledge of SS7, ISDN, or traditional telephony

Tools & Technologies

• Packet analyzers: Wireshark, tcpdump, SIP Inspector
• Monitoring tools: PRTG, Zabbix, Nagios, or similar
• Network equipment: managed switches, VoIP gateways, session border controllers
• Softphones and IP phones (Yealink, Grandstream, Cisco, Polycom)
• Remote support tools and ticketing systems

Professional Skills

• Strong analytical and problem-solving abilities
• Excellent communication skills in English (written and verbal)
• Ability to work independently and manage multiple priorities
• Customer-service oriented mindset
• Detail-oriented with strong documentation habits
• Ability to work under pressure during outages or critical issues

Language Requirements

• English: Fluent (required)
• Additional languages: Advantage

Education & Certifications

Preferred Certifications (all or 1 or any is fine)

• Yeastar Certified Engineer (YCE)
• Cisco CCNA/CCNP Voice or Collaboration
• CompTIA Network+
• Wireshark Certified Network Analyst
• VoIP vendor-specific certifications (3CX, FreePBX, etc.)

Work Environment

• Location: on site
• Hours: Full-time position
• Travel: Occasional client site visits may be required
• On-call: Rotating on-call support for critical systems

• Install, configure, and maintain VoIP/PBX systems including Yeastar, cloud PBX platforms, and other enterprise telephony solutions
• Troubleshoot and resolve voice quality issues (jitter, packet loss, latency, echo)
• Perform system upgrades, patches, and firmware updates
• Configure QoS policies on network equipment (FortiGate, routers, switches)
• Manage SIP trunks, DID routing, and carrier integrations
• Analyze VoIP traffic using packet capture tools (Wireshark, tcpdump)
• Monitor network performance and identify bottlenecks affecting voice quality
• Implement and maintain VLANs for voice traffic segmentation
• Configure firewall rules and NAT traversal for SIP/RTP traffic
• Document network topology and system configurations
• Provide tier 2/3 technical support for VoIP-related issues
• Lead implementation projects from planning to deployment
• Train end-users on PBX features and softphone applications
• Create technical documentation and knowledge base articles
• Coordinate with vendors and service providers
• Monitor system health using SNMP, syslog, and specialized VoIP monitoring tools
• Generate reports on system performance, call quality metrics (MOS scores), and utilization
• Optimize dial plans, call routing, and IVR configurations
• Implement backup and disaster recovery procedures

• VoIP/PBX systems
• SIP, RTP, and VoIP protocols
• Yeastar PBX or similar platforms (FreePBX, 3CX, Asterisk)
• Network troubleshooting (TCP/IP, DNS, DHCP, routing)
• QoS implementation and traffic prioritization
• SIP trunk configuration and carrier integration
• Cloud PBX platforms (RingCentral, 8x8, Microsoft Teams Phone)
• Firewall configuration (FortiGate, pfSense, Cisco ASA)
• Linux/Unix system administration
• VoIP security best practices
• CRM integrations
• SS7, ISDN, or traditional telephony
• Packet analyzers: Wireshark, tcpdump, SIP Inspector
• Monitoring tools: PRTG, Zabbix, Nagios, or similar
• Network equipment: managed switches, VoIP gateways, session border controllers
• Softphones and IP phones (Yealink, Grandstream, Cisco, Polycom)
• Remote support tools and ticketing systems
• Analytical and problem-solving abilities
• Communication skills in English (written and verbal)
• Ability to work independently and manage multiple priorities
• Customer-service oriented mindset
• Detail-oriented with strong documentation habits
• Ability to work under pressure during outages or critical issues

• 3+ years of hands-on experience with VoIP/PBX systems
• Strong understanding of SIP, RTP, and VoIP protocols
• Experience with Yeastar PBX or similar platforms (FreePBX, 3CX, Asterisk)
• Proficiency in network troubleshooting (TCP/IP, DNS, DHCP, routing)
• Knowledge of QoS implementation and traffic prioritization
• Experience with SIP trunk configuration and carrier integration
• Cloud PBX platforms (RingCentral, 8x8, Microsoft Teams Phone)
• Firewall configuration (FortiGate, pfSense, Cisco ASA)
• Linux/Unix system administration
• VoIP security best practices
• Experience with CRM integrations
• Knowledge of SS7, ISDN, or traditional telephony
• Yeastar Certified Engineer (YCE)
• Cisco CCNA/CCNP Voice or Collaboration
• CompTIA Network+
• Wireshark Certified Network Analyst
• VoIP vendor-specific certifications (3CX, FreePBX, etc.)