IT Network Systems Administrator (MSP / Wireless / VoIP Infrastructure)

Job Summary

EB Solution Corporation is seeking a highly skilled IT Network Systems Administrator to support and manage complex multi-client infrastructure environments across managed IT, telecom, and wireless network deployments.

The successful candidate will be responsible for maintaining high-availability systems and supporting advanced networking, VoIP, and cloud-integrated platforms.

Duties

• Design, deploy, and manage network infrastructure including LAN, WAN, VPNs, MPLS, and wireless networks to ensure high availability and security.
• Configure and support network devices such as Cisco routers, Cisco ASA firewalls, Juniper devices, and switches to optimise performance and security.
• Implement and maintain VoIP systems including SIP protocols, QoS configurations, and related telecommunication solutions.
• Monitor network health using tools such as SolarWinds, PRTG, and Splunk; perform regular troubleshooting to resolve connectivity issues promptly.
• Manage network security measures including firewall policies, IDS/IPS systems (e.g., Cisco ISE), PKI certificates, LDAP authentication, SSL encryption, and SSO integrations.
• Administer server environments including Windows Server, Linux distributions (Debian, CentOS, Ubuntu), VMware vSphere, AWS cloud services, Azure cloud platforms, and virtualisation technologies.
• Automate routine tasks using scripting languages such as PowerShell or Bash; utilise Ansible for configuration management.
• Maintain documentation of network architecture diagrams and system configurations aligned with ITIL standards.
• Conduct system upgrades and patch management to ensure compliance with security standards.
• Support remote access solutions including SSH, SFTP, Citrix virtualisation solutions; optimise network performance through load balancing techniques.
• Collaborate with development teams on API integrations and deployment of network-related applications ensuring high availability and security.
• Administer and support LAN/WAN infrastructure, including multi-site business environments
• Ubiquiti UniFi & UISP (WISP environments)
• MikroTik routing platforms
• Cisco Meraki and Cisco Catalyst switching infrastructure
• Deploy and manage high-speed fixed wireless network infrastructure and point-to-point systems
• Configure, maintain, and troubleshoot VoIP systems (3CX) and SIP-based communication platforms
• Fortinet firewalls
• VPN and segmentation strategies
• Microsoft 365 / Azure AD
• Veeam 365 backup
• Datto SaaS protection
• SentinelOne
• NinjaOne
• Splashtop remote access
• Monitor network performance, proactively identify issues, and ensure uptime across client environments
• Execute infrastructure upgrades, migrations, and disaster recovery procedures

Experience

• Proven experience in managing complex network environments within MSP or enterprise settings.
• Extensive knowledge of TCP/IP protocols including BGP, OSPF, EIGRP; routing protocols; DNS; DHCP; IPsec; MPLS; Ethernet; Ethernet switching; VLANs; QoS policies.
• Hands-on expertise with Cisco (including Cisco ISE), Juniper networking equipment; familiarity with SAN storage solutions (e.g., NFS); experience with firewall management (Cisco ASA).
• Strong background in system administration across Windows Server OSes (Windows 10/Server), Linux distributions (Debian/Ubuntu/CentOS), Solaris or openSUSE.
• Experience deploying and managing virtualisation platforms such as VMware vSphere or Citrix XenServer; cloud platforms like AWS or Azure.
• Knowledge of network security best practices including encryption standards (SSL/TLS), VPNs (IPsec), high availability configurations, load balancing strategies.
• Familiarity with monitoring tools like SolarWinds or PRTG for proactive network management.
• Ability to script automation tasks using PowerShell or Bash; experience with DevOps methodologies is advantageous.
• Relevant certifications such as Cisco CCNA/CCNP/CCIE or equivalent are highly desirable. This role offers an opportunity to work within a dynamic environment where technical expertise is valued highly. The successful applicant will be integral in maintaining secure and efficient network operations across multiple client sites while advancing their professional skills through diverse projects involving the latest networking technologies.

Requirements

• Minimum 3–5 years experience in network administration within MSP or multi-client environments
• Hands-on experience with:
• UniFi / UISP / MikroTik
• Cisco (Mera