System Administrator (Telecommunications Lab)

Job summary

This role involves managing and maintaining a Telecommunication Lab infrastructure, ensuring seamless operation of various communication systems. The System Administrator will support R&D, Support, and external partners in their testing and development needs.

Qualifications

• Strong knowledge of IP networking and network security (CCNA or similar preferred).
• Experience with VoIP, SIP, unified communications, and telephony systems.
• Familiarity with desk phone provisioning and softphone platforms.
• Proficient in Windows, macOS, and Linux administration.
• Structured, self-driven mindset with strong problem-solving skills.
• Effective collaboration and clear communication in English.
• Creativity and willingness to adopt new technologies.
• Ability to coordinate and lead activities when needed.

Responsibilities

• Maintain and administer the Telecommunication Lab, including softphones, desk phones, backend systems, and remote lab sites.
• Keep all equipment updated with the latest secure firmware and software versions.
• Manage firewall, VPN, VLAN, DNS, DHCP, and network configurations.
• Oversee Linux servers, VMware ESXi, Proxmox test environments, and Synology backup systems.
• Monitor system health and ensure strong security across all components.
• Configure and manage VoIP systems, SIP profiles, PBX integrations, and softphone clients.
• Handle firmware updates and SIP provisioning for IP desk phones.
• Assist Support and R&D teams with new infrastructure requests.
• Provide user support for lab equipment and test setups.
• Coordinate with vendors and internal experts for specialized knowledge.
• Maintain clear documentation of systems, networks, configurations, and procedures.
• Ensure remote lab locations remain secure and stable.

Education

• Relevant technical certifications and experience in system administration and networking are preferred.

Tools

• Experience with monitoring tools (e.g., Zabbix), PBX systems, VoIP technologies, and network management tools.