Network Security Administrator (3 days Remote)

We are seeking an experienced and motivated Network Security Administrator to join our dynamic team. The ideal candidate will be responsible for deploying, operating, and maintaining our organization's network and cybersecurity infrastructure, ensuring its stability, integrity, and security. This role involves providing crucial support to various departments and collaborating closely with the System team, as well as managing relevant projects.

Responsibilities

• Deploy, operate, and maintain the organization's network and cybersecurity infrastructure.
• Manage and configure Check Point firewalls, including in-depth work with various blades and technologies (e.g., IPsec VPN, SSL-VPN, Content Filtering, HTTPs Inspection).
• Administer Check Point Endpoint Security solutions.
• Oversee and maintain Juniper and Cisco Switches.
• Manage and troubleshoot WiFi Infrastructures (Ruckus and Ubiquiti).
• Implement and manage Email Security solutions, including Microsoft Defender and Check Point Harmony Email.
• Utilize deep knowledge and troubleshooting expertise in network protocols such as TCP/IP, HTTP, LACP, SMTP, and SNMP.
• Maintain and enhance our NAC solution with 802.1X and Cisco ISE as the RADIUS server.
• Operate and manage the Elastic Stack SIEM for security monitoring and incident response.
• Monitor network performance and security using SolarWinds Orion.
• Administer OPSWAT MD-Core (MetaDefender Core) for content disarm and reconstruction.
• Manage Symantec WSS proxy and remote browser isolation solutions.
• Design and implement network architectures, including data center and campus topologies.
• Provide technical support to different departments and the System team.
• Lead and participate in network and security-related projects.
• Maintain an understanding of Linux and Windows server environments.

Qualifications

• 3 years of hands-on experience with Check Point products - Essential. This includes a deep understanding of Check Point deployments, blades (e.g., Firewall, VPN, Content Filtering, Application Control, URL Filtering, IPS, Anti-Bot, Anti-Virus, Threat Emulation, Threat Extraction), and technologies such as IPsec VPN, SSL-VPN (Mobile Access), and HTTPs Inspection.
• 3 years of experience in network operations - Essential.
• 3 years of experience with Juniper products (Switches/Routers) - Essential.
• Hands-on experience with WiFi Infrastructures (Ruckus and/or Ubiquiti).
• Experience with Email Security solutions (Microsoft Defender, Check Point Harmony Email, or similar).
• Deep knowledge and troubleshooting expertise in network protocols including TCP/IP, HTTP, DNS, DHCP, LACP, SMTP, SNMP, etc.
• Experience with NAC solutions using 802.1X, preferably with Cisco ISE.
• Familiarity with SIEM solutions, preferably Elastic Stack.
• Experience with network monitoring tools, preferably SolarWinds Orion.
• Solid understanding of Linux and Windows server operating systems.
• Experience with Content Disarm and Reconstruction (CDR) solutions, preferably OPSWAT MD-Core.
• Knowledge of web security gateways and remote browser isolation, preferably Symantec WSS.
• Strong understanding of network architectures, data center, and campus topologies.
• Excellent problem-solving and analytical skills.
• Ability to manage multiple projects and tasks simultaneously.
• Strong communication and interpersonal skills.