System Administrator (Middle)

Quantum Systems is an international technology company developing innovative solutions for high-tech industries. The role involves building and supporting wired and wireless networks and configuring network security and routing.

• Building and supporting wired and wireless networks, configuring routing and network security.
• Configuring network IP services (DNS, DHCP, SMTP, SSH, FTP, etc.).
• Configuring protocols and technologies: TCP/IP, VPN (IPsec, SSL), BGP, OSPF, EIGRP, NAT, Port security, QoS, VLAN, STP.
• Working with networking equipment: MikroTik, Ubiquiti, Cisco, FortiNet.
• Configuring and supporting video surveillance systems (Hanwha, Dahua, Hikvision).
• Administering firewalls, IDS/IPS systems.
• Providing user assistance via RDP/TeamViewer/Anydesk.
• Monitoring and analyzing network traffic using specialized tools.

• 3+ years of experience as a network engineer or system administrator.
• Deep knowledge of network building, routing technologies and network security.
• Thorough understanding of IP services (DNS, DHCP, SMTP, SSH, FTP, iSCSI, RoCE).
• Practical experience with TCP/IP, VPN (IPsec, SSL), BGP, OSPF, EIGRP, NAT, QoS, VLAN, STP.
• Experience with MikroTik, Ubiquiti, Cisco, FortiNet equipment.
• Knowledge of video surveillance systems Hanwha, Dahua, Hikvision.
• Experience with EDR/EPP, configuring firewalls and IDS/IPS.
• Ability to manage network resources in cloud environments (AWS, Azure, GCP).
• Knowledge of Linux and Windows OS.
• Practical experience with Active Directory (AD/AAD), Office 365, Intune, GPO, NPS, CA.
• Experience with monitoring tools (Dude, Zabbix, Grafana).
• English at B1 level or higher.

• Working in an international team of professionals.
• Employee reservation.
• Opportunities for professional development and training.
• Modern technologies and interesting projects.