Network Operations Center Engineer (NOC) - VoIP and SBC

Asiatel Outsourcing; Metro Manila; On-site; PHP 420,000 - 640,000; Full time

Job summary

Asiatel Outsourcing in the Philippines is seeking a mid to senior-level Network Operations Center Engineer specializing in VoIP and SBC technologies. You will maintain network stability, call quality, and service reliability across global interconnections from Ortigas Center, Pasig City.

The role offers growth toward technical or NOC leadership as the company expands. Responsibilities include configuring SBC/VoIP, monitoring traffic, testing carrier interconnections, and resolving tickets within

Qualifications

• Strong hands-on experience with VoIP and SBC technologies (SIP/RTP).
• Background in NOC operations within telecom/VoIP wholesale.
• Ability to troubleshoot complex voice signaling in live networks.
• Experience with FreeSWITCH or Asterisk.
• Knowledge of ASTPP billing and routing systems is an advantage.
• Willingness to work shifting schedule and onsite in Ortigas Center, Pasig.

Responsibilities

• Configure, manage, and troubleshoot SBC and VoIP infrastructure to ensure high-quality voice traffic.
• Monitor call traffic, routing performance, and network health across softswitch platforms.
• Update and optimize routing for quality, efficiency, and cost.
• Initiate, test, and maintain carrier interconnections, including testing.
• Perform testing and QA for new routes and carriers before production.
• Handle tickets and ensure timely resolution per SLAs.
• Investigate call quality issues, routing failures, and traffic anomalies.
• Collaborate with Account Management and Operations for escalations.
• Coordinate with other NOC teams to maintain service quality.
• Proactively identify risks and opportunities for optimization.

Skills

VoIP

SBC

NOC operations

Troubleshooting

SIP/RTP

FreeSWITCH

Asterisk

ASTPP

Linux

SQL basics

English communication

Education

Electronics/Telecommunications degree

Tools

FreeSWITCH

Asterisk

ASTPP

Linux

SQL

Job description

Asiatel Outsourcing is the first Philippine-founded outsourcing company listed on the TSX Venture Exchange. As we continue to experience exceptional growth, we are looking for top-tier talent to join our dynamic team. We remain committed to fostering a culture of excellence, innovation, and career growth.

We are seeking a highly capable Network Operations Center Engineer with strong expertise in VoIP and Session Border Controller (SBC) technologies. This role supports a global wholesale carrier delivering international traffic transit and termination services. You will be responsible for maintaining network stability, call quality, and service reliability across multiple global interconnections.

This position is designed for a mid to senior-level professional who can work independently, take ownership of technical operations, and proactively drive improvements. The role also offers the opportunity to grow into a future technical or NOC leadership position as the organization continues to expand.

Company Address: Hanston Square Building, San Miguel Avenue, Ortigas, Pasig City

Job Key Responsibilities:

• Configure, manage, and troubleshoot SBC and VoIP infrastructure to ensure secure, stable, and high-quality voice traffic

• Monitor call traffic, routing performance, and overall network health across softswitch platforms

• Update and optimize routing to maintain quality, efficiency, and cost effectiveness

• Initiate, test, and maintain carrier interconnections, including joint testing and technical validation

• Perform testing and quality assurance for new routes and carriers prior to production release

• Handle incoming and outgoing trouble tickets, ensuring timely resolution within defined SLAs

• Investigate call quality issues, routing failures, and traffic anomalies, including potential fraud indicators

• Collaborate with internal teams such as Account Management and Operations to support technical escalations and service requests

• Coordinate with other NOC teams to maintain consistent service quality across regions

• Proactively identify risks, recurring issues, and opportunities for network optimization

Job Qualifications, Requirements & Competencies:

• Strong hands-on experience with VoIP and SBC technologies, including SIP and RTP protocols

• Solid background in NOC operations within a telecom, VoIP, or wholesale carrier environment

• Proven ability to troubleshoot complex voice and signaling issues independently in a live network

• Experience with softswitch platforms such as FreeSWITCH or Asterisk

• Knowledge of ASTPP billing and routing systems is an advantage

• DDD

• Working knowledge of Linux environments and basic database or SQL concepts

• Degree or diploma in Electronics Engineering, Computer Engineering, Telecommunications, or a related field

• Strong English communication skills with the ability to collaborate effectively across technical and non-technical teams

• Willingness to work on a shifting schedule and be based onsite at Ortigas Center, Pasig City