Telephony Engineer

Jobtailor; Columbia (SC); On-site; USD 70,000 - 110,000; Full time

Job summary

Jobtailor in Columbia, SC is seeking a Telephony Engineer to provide daily engineering, administration, and operational services for enterprise telephony and unified communications systems.

The role requires hands-on experience with Avaya PBX, VoIP, SIP/RTP, QoS, and E911, plus ability to lead incidents and coordinate with vendors during outages.

Candidates should have 3+ years of experience, be US citizens or legal residents, and be prepared to relocate to South Carolina.

Qualifications

• 3+ years of experience in telephony engineering and administration.
• Experience with Avaya on-prem PBX systems.
• Experience with SIP, RTP, QoS, dial plans, and call routing.

Responsibilities

• Provide daily telephony engineering, administration, technical support, and operational services for enterprise telephony and unified communications systems.
• Perform advanced troubleshooting and support telephony infrastructure, call routing, VoIP, E911 services, voice gateways, PSTN connectivity, and enterprise telephony improvements.
• Coordinate with multiple technical teams and vendors during service outages.

Skills

Telephony Engineering

VoIP Administration

E911 Services

Call Routing

SIP

RTP

QoS

Dial Plans

Voice Gateway Technologies

Telecommunications Infrastructure

Education

Bachelor’s degree or equivalent

Tools

Avaya PBX

Session Border Controllers (SBCs)

Unified Communications Platforms

Cloud-Based Telephony Solutions

Job description

• Provide daily telephony engineering, administration, technical support, and operational services for enterprise telephony and unified communications systems
• Perform advanced troubleshooting and support telephony infrastructure, call routing, VoIP, E911 services, voice gateways, PSTN connectivity, and enterprise telephony improvements
• Provide operational and advanced administration for enterprise telephony systems
• Handle move, add, change, and disconnect (MACD) requests for voice, voicemail, conference services, safety devices, IVR, vectoring, call center services, and unified communications
• Maintain accurate 911/E911 location information
• Provide advanced technical support for telephony projects and serve as a technical lead for assigned tasks
• Research, design, maintain, and implement improvements to enterprise telephony networks
• Configure and install telephony equipment, including media gateways, telephones, and safety devices
• Develop and maintain technical standards, processes, configurations, and documentation
• Perform quality assurance testing
• Work with telecommunications vendors to provision circuits and resolve outages
• Analyze and optimize vector routing, ARS routing tables, dial plans, and route patterns
• Troubleshoot voice quality, call routing, carrier connectivity, and E911 issues
• Provide engineering-level support for enterprise VoIP and unified communications platforms
• Respond to customer incident tickets and provide timely resolution
• Coordinate with multiple technical teams and vendors during service outages
• Perform advanced maintenance and repair of telephony and unified communications systems
• Identify automation opportunities to improve operational efficiency
• Monitor telephony and network systems to proactively identify and resolve issues
• Maintain accurate technical documentation, system diagrams, and knowledge-base articles
• Follow established Incident Management and Change Management processes
• Serve as a primary escalation point for complex telephony technical issues

Requirements

• 3+ years of experience required
• Candidate MUST be a South Carolina resident or willing to relocate to South Carolina prior to starting the role at their own expense
• Candidates must be US Citizens or Legal Residents
• 2+ years of experience with Avaya on-premise PBX systems
• 2+ years of experience administering VoIP and Unified Communications platforms
• 2+ years of experience with SIP, RTP, QoS, dial plans, call routing, and voice gateway technologies
• 2+ years of experience troubleshooting voice quality, call routing, carrier connectivity, and E911 services
• 2+ years of experience with telecommunications infrastructure, including voice circuits, Session Border Controllers (SBCs), and PSTN integration
• Experience designing, implementing, and supporting enterprise cloud-based telephony solutions (preferred)
• Experience migrating from on-premise telephony platforms to cloud-based services (preferred)
• Experience working with telecommunications carriers and vendors (preferred)
• Bachelor’s degree or equivalent work experience

Core Competencies

Demonstrates expertise in telephony engineering and administration, with a strong focus on VoIP, Unified Communications, and E911 services. Proven ability to troubleshoot complex telephony issues and optimize call routing and voice quality in enterprise environments.

Highest-signal resume keywords

• Telephony Engineering
• VoIP Administration
• E911 Services
• Avaya PBX Systems
• Telecommunications Infrastructure

Hard Skills

• Telephony Engineering
• VoIP Administration
• Call Routing
• E911 Services
• SIP
• RTP
• Quality Of Service (QoS)
• Dial Plans
• Voice Gateway Technologies
• Telecommunications Infrastructure

Soft Skills

• Technical Support
• Problem Solving
• Collaboration
• Customer Service

Industry Keywords

• Telephony
• Unified Communications
• PSTN Integration
• Incident Management
• Change Management

Tools & Technologies

• Avaya PBX
• Session Border Controllers (SBCs)
• Unified Communications Platforms
• Cloud-Based Telephony Solutions