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Description
Systems Administrator
Location: Naval Station Mayport, Jacksonville, FL (On-site)
Employment Type: Full-Time
Client: U.S. Naval Forces Southern Command / U.S. Fourth Fleet (USNAVSOUTH/FOURTHFLT)
SCA Labor Category: Computer Operator V
Clearance Required: Active Top Secret
About ITSC Secure Solutions
ITSC Secure Solutions is a mission-focused small business dedicated to delivering innovative technology solutions and exceptional support to our government customers. Guided by our core values-Integrity Through Service and Commitment-we provide technical excellence while supporting critical national security missions.
ITSC is proud to support the U.S. Naval Forces Southern Command/U.S. Fourth Fleet by providing Information Technology, Knowledge Management, Administrative, Maintenance, Travel, and Planning support services at Naval Station Mayport in Jacksonville, Florida.
Position Overview
ITSC is seeking a skilled Systems Administrator to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Naval Forces Southern Command/U.S. Fourth Fleet. This position is responsible for administering secure enterprise systems, maintaining server environments, supporting cybersecurity initiatives, and ensuring the availability and reliability of critical operational networks.
Requirements
Primary Responsibilities

• Provide systems administration support for C4I systems, including:
  • ENMS Lite
  • DCGS-N Increment 1 Block 2 (SIPR & JWICS)
  • ADSI v15
  • GCCS-J 4.3 U1
  • Radiant Mercury (RADMERC)
  • Video Teleconference (VTC) Systems
• Perform 10-15 weekly vulnerability scans and patch management activities in accordance with DoD Information Assurance and Computer Network Defense requirements.
• Install, configure, maintain, and upgrade system software and hardware.
• Apply vendor updates, software patches, and security enhancements.
• Troubleshoot complex technical issues while minimizing mission impact.
• Maintain system documentation, configuration management records, and Standard Operating Procedures (SOPs).
• Ensure compliance with federal cybersecurity policies and network security standards.

Secondary Responsibilities (Backup Network Engineer)

• Support operation and maintenance of enterprise network infrastructure, including:
  • Cisco routers and switches
  • Firewalls
  • TACLANE encryptors
  • Video teleconference systems
  • Enterprise servers
• Assist with network design, engineering, installation, and implementation.
• Maintain accountability for more than 150 IT assets supporting USNAVSOUTH/FOURTHFLT.

Required Qualifications

• Active Top Secret Security Clearance
• Experience administering Windows Server environments.
• Experience with Red Hat Enterprise Linux and/or Solaris environments.
• Experience configuring and administering Radiant Mercury (RADMERC).
• Experience with Splunk configuration and administration.
• Experience with Cisco routers and switches, including configuration, backup, and restoration.
• Experience using ACAS vulnerability scanning software.
• Experience using Wireshark for network analysis and troubleshooting.
• Experience managing VMware vCenter, VMware Server, and VMware Workstation.
• Experience with network monitoring tools.
• Experience or training using BMC products.
• Strong troubleshooting, documentation, and customer support skills.

Required Certifications
Must possess one of the following certifications at the time of hire:

• Security+
• Cloud+
• GSEC
• GICSP
• SSCP

Additionally:

• Microsoft Certified Solutions Associate (MCSA) certification must be obtained within six months of hire.