Job Description

POSITION DESCRIPTION:  

G6 Cyber Solutions (G6CS) is at the forefront of delivering innovative technology solutions that enhance national security and support critical military operations .   Our commitment to excellence drives us to develop and  maintain   cutting-edge systems  and capabilities  in direct support of the warfighter .  

Currently, G6CS is  seeking a motivated and mission-oriented Linux System Administrator to join our team in support of  Air Force operations   at Lackland AFB. In this role, you will be instrumental in managing and securing internal systems, ensuring compliance with Department of War ( DoW ) standards, and optimizing network infrastructure in a classified environment. If you thrive in a dynamic setting with a focus on cybersecurity and system reliability, this is an opportunity to contribute to mission-critical projects that make a difference.  

Required Experience:  

• Experience in system administration, including design, configuration, installation, and optimization of operating systems (Windows, Linux). 
• Proven experience in managing hardware, software, and utilities for installation, modification, troubleshooting, maintenance, and upgrades of operating systems on servers. 
• Experience in monitoring and analyzing resource usage to recommend enhancements to system capabilities and performance.  
• Familiarity with developing accreditation documentation, including Overview 1, 2, and 3 (OV1, OV2, OV3) charts and graphs.
• Experience in restoring critical system services within  service level agreement timelines   of a system outage and  managing software patching within specified  timeframes ( i.e. 3business days for critical systems and 10 business days for routine patches ) .
• Experience in scanning computer networks for vulnerabilities and diagnosing network connectivity issues.
• Understanding of both Linux and Windows command-line interfaces (CLI).  

Nice-to-Have Experience:  

• Experience in Department of War intelligence communities. 
• Experience with security features and/or vulnerabilities of various operating systems as defined by NSA, NIST, and/or USCYBERCOM.
• Experience in developing automated scripts for system monitoring and maintenance.  
• Experience with Information Assurance (IA) vulnerability   identification/remediation/testing and related network and system test tools (e.g., Security Content Automation Protocol (SCAP)).  
• Experience with information security toolsets such as anti-virus, Security Information and Event Management (SIEM), and/or Host-based Intrusion Detection Systems/Network Intrusion Detection Systems (HIDS/NIDS).  
• Experience with the Red Hat OpenShift platform

What You Will Be Doing :  

• Manage the development, documentation, maintenance, and security of internal systems, including design, configuration, installation, administration, optimization, integration, and integrity. 
• Performing network and system security administration, including operating system security configuration, performance monitoring, and account management best practices for MS Servers/Windows and Linux. 
• Configure and assist in the design of system and network security. 
• Track and monitor patching and STIG applications to the network servers to maintain network health. 
• Provide support in restoring critical system services and ensure timely installation of applicable operating system and server software patches. 
• Document system infrastructure for users, support personnel, developers, information assurance personnel, and accreditors. 
• Managing networking switches, routers, and firewalls, including configuration, monitoring, and troubleshooting in DoD-compliant environments to ensure secure data flow and network integrity. 

Certifications:  

Minimum:  

• CompTIA Security+
• Red Hat Certified System Administrator (RHCSA)
• Active TS/SCI clearance

Nice-to-Have: Additional certifications in system administration or cybersecurity.  

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