Overview

The One23Group/TMR, Inc., a Virginia-based Government Contractor, seeks a Network Systems Administrator, Journeyman. 

Responsibilities

• Maintain security (e.g., LAN firewall and LAN load balancer security), equipment (e.g., Site to Site VPN and THUB network), VTC service, servers (e.g., Internal Proofpoint Mail and Cisco ISE), and Cloud technologies using best practices.
• Manage and troubleshoot Fortinet firewalls, F5 load balancers, VTC equipment.
• Experience with Cisco Cloud Services Routers (CSRs) and Azure Portal, Proofpoint Mail Servers, Cisco ISE Servers, AWS, Azure, Google Cloud.
• Ensure physical, virtual, and cloud devices as well as applications and services are monitored as well as alerts generated, at a minimum as applicable for up/down status, CPU, Memory, Temperature, Power Supply Status, Critical Interfaces.
• Create IPSEC and DTLS tunnels for components in ZIA.
• Monitor the health of the entire Zscaler infrastructure, including VMs, logging and cloud access.
• Implement customer’s image for Windows 10 or newer.
• Minimize optimization of end users’ images.
• Provide a method/system for determining application transaction rate that will be used to monitor and manage the transaction rate of all JMD applications.
• Participate in on call rotation.

Qualifications

• 3-5 years' of relevant IT experience.
• Experience in Network Design, Architecture, Engineering, or Security
• Experience in analyzing network
• Experience and understanding of Cisco switching, routing, firewalls, Intrusion Detection System, and network management and monitoring including OPNET
• Experience and understanding of DNS, email, web, and file proxies
• Required - must possess at least one (1) of the following (or other relevant certification):
  • • Zero Trust Container Architecture (ZTCA)
    • Zscaler Certified Cloud Administrator - Internet Access (ZCCA-IA)
    • Zscaler Certified Cloud Administrator - Private Access (ZCCA-PA)
    • Cisco Certified Network Professional (CCNP Data Center)
    • CISSP (Associate)
    • Cloud
    • IAT L3 or Higher
    • IAM L3 or Higher
• Desired qualifications:
  • Bachelor's Degree preferred
• Clearance: Minimum active Top Secret