International Call Group
IT Support Technician
Skills
7 days ago
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Important information
Contract type:
Permanent
Location:
Mount Edgecombe, 4302, South Africa
Work mode:
Onsite
Published on:
13 October 2026
What they need
VICIDIAL ADMINISTRATOR / SERVER & BACKEND SPECIALIST
We are looking for a highly skilled and experienced VICIdial Administrator to join our technical team.
The successful candidate must have extensive hands-on experience in VICIdial administration, Linux server management, Asterisk PBX, SIP trunking, database administration and building VICIdial servers from scratch.
This is a technical position requiring someone who can independently install, configure, maintain, troubleshoot and optimise a complete VICIdial environment.
KEY RESPONSIBILITIES
1. VICIdial Server Installation & Configuration
- Build and deploy fully operational VICIdial servers from scratch.
- Install and configure ViciBox, Linux, Asterisk and VICIdial.
- Install, configure and optimise MariaDB/MySQL databases.
- Configure Apache, PHP and all required VICIdial dependencies.
- Configure multi-server VICIdial environments.
- Perform server migrations, upgrades and system rebuilds.
- Configure automated backups, monitoring and disaster recovery solutions.
2. VICIdial Administration & Campaign Management
- Create, configure and manage VICIdial campaigns.
- Manage inbound, outbound and blended dialling.
- Configure dialling ratios, drop rates and campaign settings.
- Manage lead lists, databases, filters and dispositions.
- Configure agent accounts, extensions and access permissions.
- Troubleshoot agent login, call routing and dialler issues.
- Generate campaign reports and monitor system performance.
3. Asterisk PBX & SIP Trunking
- Configure and maintain Asterisk PBX.
- Set up SIP trunks with VoIP providers.
- Configure inbound and outbound call routing.
- Manage dialplans, caller IDs, DID routing and codecs.
- Troubleshoot SIP registration, call failures and audio issues.
- Analyse Asterisk logs and troubleshoot using Linux CLI.
4. Linux Server & Database Administration
- Manage Linux-based production servers.
- Perform server optimisation and performance tuning.
- Monitor CPU, RAM, disk I/O and database performance.
- Troubleshoot MariaDB/MySQL database issues.
- Configure network interfaces, firewalls and security.
- Implement RAID, SSD storage and backup strategies.
- Maintain system uptime and server stability.
5. Technical & Operational Support
- Provide daily backend support to call centre operations.
- Troubleshoot VICIdial and agent-related technical issues.
- Monitor campaign performance and dialler efficiency.
- Identify and resolve system bottlenecks.
- Provide technical assistance to management and operations.
- Maintain documentation of server configurations and changes.
MINIMUM REQUIREMENTS
- Proven hands-on VICIdial experience is compulsory.
- Must be able to build and configure a complete VICIdial server from scratch without supervision.
- Strong knowledge of ViciBox and Linux server administration.
- Experience with Asterisk PBX and SIP trunk configuration.
- Experience administering MariaDB/MySQL databases.
- Good understanding of VoIP, SIP, RTP and networking.
- Experience configuring VICIdial campaigns and dialling strategies.
- Ability to troubleshoot using Linux command-line tools.
- Experience with server maintenance, upgrades and backups.
- Strong analytical and problem-solving abilities.
- Ability to work independently in a high-pressure call centre environment.
ADVANTAGEOUS SKILLS
Experience with the following will be an advantage:
- Multi-server VICIdial installations.
- VICIdial environments supporting 100–500+ agents.
- High-availability and failover configurations.
- Database replication and performance optimisation.
- Server virtualisation and dedicated server deployments.
- Advanced Asterisk dialplan configuration.
- VoIP troubleshooting using SIP traces and packet analysis.
- Server security, firewall configuration and remote administration.
IMPORTANT – PLEASE READ BEFORE APPLYING
THIS IS NOT AN ENTRY-LEVEL IT SUPPORT POSITION.
Applicants must have practical, demonstrable experience installing, configuring and administering VICIdial systems.
You must be capable of building a fully functional VICIdial server from scratch, including Linux, Asterisk, MariaDB, SIP trunking and campaign configuration.
Candidates without previous VICIdial experience will not be considered.
Shortlisted candidates may be required to complete a practical technical assessment to demonstrate their VICIdial knowledge.
HOW TO APPLY
Interested candidates can submit their CVs and details of their VICIdial experience.
WhatsApp: 063 270 6736
Email: [email protected]
Email Subject: Application – VICIdial Administrator
Please include details of any VICIdial servers you have installed or managed and the approximate number of agents supported.
Work Location: In person
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