IA Sys Admin/Computer Operator V

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. 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. Why Join ITSC? At ITSC Secure Solutions, you'll join a collaborative team supporting mission-critical operations that protect U.S. national security. We offer opportunities to work with advanced technologies while supporting an important military mission in a professional, team-oriented environment.