NOC Engineer (VoIP and SBC)

Asiatel Outsourcing; Eastern Manila District; On-site; PHP 400,000 - 700,000; Full time

Job summary

Asiatel Outsourcing is seeking a mid to senior NOC Engineer with strong VoIP and SBC expertise to support a global wholesale carrier. The role emphasizes network stability, call quality, and service reliability across interconnections and requires onsite work at Ortigas Center, Pasig City.

You will monitor voice traffic, troubleshoot signaling, and collaborate with cross-functional teams to optimize network performance and scalability as the organization grows.

Qualifications

• Hands-on VoIP and SBC experience with SIP/RTP.
• Proven NOC operations background in telecom or wholesale carrier.
• Ability to troubleshoot live network voice/signaling issues.
• Experience with FreeSWITCH or Asterisk; ASTPP is a plus.

Responsibilities

• Configure, manage, and troubleshoot SBC and VoIP infrastructure to ensure high-quality voice traffic.
• Monitor call traffic and routing performance across softswitch platforms.
• Update routing to improve quality, cost efficiency, and reliability.
• Test and maintain carrier interconnections; perform QA for new routes.
• Resolve trouble tickets within SLAs; investigate quality issues and fraud indicators.
• Collaborate with Account Management and Operations on escalations.
• Coordinate with NOC teams to maintain regional service quality.
• Identify risks and opportunities for network optimization.

Skills

VoIP

SBC technologies

NOC operations

SIP/RTP protocols

FreeSWITCH

Asterisk

ASTPP

Linux

SQL basics

English communication

Shift work onsite

Education

Degree in Electronics Engineering

Diploma in Telecommunications

Tools

FreeSWITCH

Asterisk

ASTPP

Linux

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 NOC 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

• 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