Voice Engineer

Department: Voice

Reporting To: Voice Manager

Location: Johannesburg

Education: Relevant Operations/Technical

Experience: 2-5 years

Summary

The Voice Engineer is responsible for maintaining the performance and reliability of the Bitco Voice core environment and customer voice solutions. As a mentor to NOC SPEC engineers, the Voice Engineer provides training and knowledge transfer.

Essential Duties And Responsibilities

• Create trunks and accounts for new and existing clients.
• Ensure that voice accounts are linked correctly to clients in the BitCo ERP system.
• Implement contractual call rates.
• Maintain the security of customer SIP trunks.
• Troubleshoot the core BitCo Voice network.
• Escalate and troubleshoot customer PBX issues from the NOC.
• Route ported numbers and ensure porting compliance.
• Monitor Voice Interconnects/POILs and ensure they are in proper working order.
• Log faults with vendors and Interconnect Partners and follow through to resolution.
• Assist with monthly billing and respond to billing inquiries.
• Generate stats and reports for the Board of Directors.
• Maintain and operationally manage any AVM dialers on the BitCo Voice Network.
• Plan and implement improvements to the BitCo Voice Network.
• Perform general maintenance on the BitCo Voice Network.
• Collaborate with various departments and colleagues.
• Complete other reasonable tasks as assigned by superiors.

Qualifications

Qualifications and Experience Hard Skills Required

• 2-5 years of experience with VoIP technology in a telecommunications or ICT company.
• Extensive knowledge of SIP.
• Background in networking technologies such as QinQ and link bonding.
• Proficient in Linux (Debian/Centos) and programming/scripting (Bash, PHP, lua, python).
• Experience with cloud computing (VMware, Proxmox).
• Experience with FreeSWITCH, Asterisk, and Kamailio.
• Expertise in Linux and databases such as MySQL and PostgreSQL.
• Knowledge of networking protocols and tools such as QinQ, link bonding, and tcpdump.

Knowledge, Soft Skills & Abilities Required

• Proficient in Linux-based operating systems (non-web GUI based).
• At least 2 years of experience in the telecommunications industry with technical tasks.
• Experience programming ADSL and wireless routers, gateways, and analogue converters.
• A strong understanding of network and problem-solving skills is essential for our stable system.
• Ability to automate processes through scripting or vendor tooling.
• Hands-on experience with Asterisk and Kamailio.
• Familiarity with industry standards and terminology such as ISDN, PRI, and VoIP.

Character Traits

Integrity

Honest, trustworthy, and respectful of others.

Accountability

Responsible and accountable for role and responsibilities.

Communication

Effective communication, open to feedback and sharing.

Passion

Inspired to make a positive impact in the lives of others and takes pride in their work.

Empowerment

Shares knowledge to set others up for success.