Network & Systems Administrator

abra professional services is seeking for an Network & Systems Administrator

Monitoring, control, and maintenance of all network and server infrastructures.

Providing support and troubleshooting for IP network traffic, LAN/WAN environments.

Installation, maintenance, and configuration of network equipment, including switches, telephony systems, routers, and OT systems.

Management and maintenance of Wi-Fi infrastructure.

Management and support of IP-based telephony systems.

Operation of NAC, monitoring, and information security systems.

End-user support, including smart classrooms, end-user equipment, and conference rooms.

Supervision and monitoring of the Data Center.

Performing additional tasks as required by the direct supervisor.

Required Knowledge and Experience

• Graduate of recognized networking courses from an accredited institution.
• Experience working with Cisco, HP, Aruba, Fortinet, and Meraki products.
• At least 3 years of experience in a similar role within an SMB organization with a technology-rich environment.
• Extensive knowledge of data communications, including TCP/IP, network topologies, traffic flows, the OSI model, and troubleshooting complex network issues.
• Familiarity with VMware and Nutanix, including an understanding of virtual networking (vSwitches, VLANs in Nutanix).
• Familiarity with Active Directory (AD), DNS, and DHCP.
• Proven hands-on experience in installing network equipment and resolving communication issues (switches, routers, backbone infrastructure, Wi-Fi, etc.).
• Knowledge of IP telephony systems, including CENTRIX and end-user devices.
• Practical experience with passive infrastructure; knowledge of fiber optics is an advantage.
• Experience in managing WAN / IPsec / Site-to-Site VPNs.
• Knowledge and understanding of information security and security products such as Firewalls, EDR, NAC, and Antivirus solutions.
• Understanding of PC systems, Microsoft operating systems, servers, and Microsoft-based networks.
• Experience with Multimedia over IP systems – an advantage.

Required Skills

• Ability for independent learning and adapting to new technologies.
• Ability to work independently, without close or continuous supervision.
• Excellent planning, organization, and time-management skills.
• Strong teamwork and service-oriented mindset, with proven training and guidance capabilities.
• English proficiency sufficient for regular reading of technical documentation.
• Ability to perform effectively under pressure.
• Willingness to work non-standard hours and availability for critical or exceptional incidents.
• Ability to write procedures and maintain infrastructure documentation.