IT Network Engineer - PBX
About this role
- Perform configuration and maintenance of PBX Systems. Including installation and configuration of softphones, managing User Accounts, Creation/Deletion of Queues/Flows, DIDs/TFNs, Extensions, Voicemails etc.
- Carry out Flows/IVRs and Call Routing design and implementation.
- Monitor network performance.
- Troubleshoot Network Infrastructure issues.
- Provide technical support to end users, resolving hardware and software issues efficiently.
- Diagnose problems, implement solutions, and escalate as necessary.
- Maintain documentation of common problems and solutions.
- Maintain service level agreements (SLA).
- Handle routine system maintenance (network/software/PBX)
- Participate in backup testing, business continuity, and recovery drills.
- Log ticket issues and document relevant information to come up with a resolution.
- Work with Security and Compliance to ensure IT infrastructure compliance with organizational policies, procedures, and industry standards.
- Collaborate with other teams – Corporate Connectivity, Managed Services, Engineering, Security, and Compliance
- Help identify opportunities for process improvement, recommendations, upgrades, or new technologies
- Able to stay current with industry trends and best practices to enhance operational efficiency
- IT / Computer Science-related degree or certification.
- Knowledge in SIP, RTP and WebRTC, including voice codecs to optimize audio quality.
- Knowledge in Zoom Phone and Zoom Contact Center, Mitel, Vanilla Asterisk and other Asterisk based PBX Systems.
- Proficient in configuring, Flows, Routing, Integrations etc. This includes scripting and APIs.
- Knowledge of SBC, MBG, and firewalls to secure voice networks, with a strong understanding of LAN/WAN routing and VLANs.
- Knowledge in Mikrotik, Tailscale and Netskope is a plus.
- Able to use Wireshark or other network packet tracer to diagnose call drops and SIP messages.
- Strong problem-solving and analytical abilities.
- Communication skills (technical and non-technical audiences).
- Time management and ability to prioritize tasks.
- Team collaboration and customer service orientation.
- Adaptability and willingness to learn new technologies.
- Attention to detail and documentation practices
Frequently Asked Questions
Is the salary disclosed for the IT Network Engineer - PBX position at CallTek?
The salary for this IT Network Engineer - PBX role at CallTek is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the IT Network Engineer - PBX position at CallTek located?
This IT Network Engineer - PBX role at CallTek is based in Cebu City, Cebu, Philippines. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the IT Network Engineer - PBX role at CallTek full-time or part-time?
This is listed as a Full time position. It is posted as a IT Network Engineer - PBX role at CallTek.
How do I apply for the IT Network Engineer - PBX position at CallTek?
Click the "Apply Now" button on this page. You will be redirected to CallTek's official application portal hosted on workable where you can submit your application directly.
When was the IT Network Engineer - PBX job at CallTek posted?
This IT Network Engineer - PBX position at CallTek was posted on May 18, 2026. Apply as soon as possible — early applications are often reviewed first.
IT Network Engineer - PBX
CallTek
You'll be redirected to CallTek's official application page on workable.