Systems Administrator

Description:

We are seeking a highly motivated and technically proficient System Administrator to maintain the operational readiness and security posture of critical information systems supporting U.S. Navy and Coast Guard (USCG) missions. This role is highly focused on cybersecurity compliance, requiring expertise in patching, vulnerability remediation, and the application of mandatory DoD security baselines. The successful candidate will ensure all systems maintain a valid Authority to Operate (ATO) by diligently executing continuous monitoring and compliance activities.

• STIG Implementation: Lead the application and verification of DISA Security Technical Implementation Guides (STIGs) across various operating systems (Windows Server, RHEL/Linux), applications, and network devices to achieve required security baselines.
• Vulnerability Management: Perform regular vulnerability scanning using authorized tools (e.g., ACAS/Nessus) and analyze scan results to prioritize, report, and document remediation strategies.
• Patch Management: Execute and track operating system (OS) and application patching cycles using centralized management tools (e.g., SCCM, WSUS, Satellite) to maintain a low vulnerability profile.
• Documentation & RMF Support: Maintain accurate system records, log files, and evidence of security control implementation within the eMASS (Enterprise Mission Assurance Support Service) system to support the Risk Management Framework (RMF) continuous monitoring phase.
• POA&M Management: Develop and manage Plans of Action and Milestones (POA&M) entries, documenting residual risks, mitigation strategies, and estimated completion dates for all discovered vulnerabilities.

• Administration: Install, configure, manage, and troubleshoot enterprise servers, virtualized environments (VMware preferred), storage arrays, and desktop operating systems.
• Active Directory: Manage and maintain Active Directory (AD), Group Policy Objects (GPOs), user accounts, permissions, and other essential domain services.
• Backups and Recovery: Implement and verify data backup solutions and develop, test, and maintain disaster recovery and continuity of operations (COOP) plans.
• Performance Monitoring: Monitor system performance, capacity, and resource utilization, recommending and implementing optimization solutions to ensure maximum uptime and efficiency.
• Incident Response: Support the Information System Security Officer (ISSO) and cybersecurity team during incident response activities by providing logs, system access, and technical recovery assistance.

Requirements:

• Education: Associate's degree or higher in Information Technology, Computer Science, or a related field. (Experience may be substituted for a degree.)
• Experience: Minimum of 4 years of hands-on system administration experience supporting enterprise environments, with at least 2 years focused on DoD or Federal systems.
• Clearance: Must possess an Active DoD Secret security clearance.
• Certification (DoD 8570/8140):
  • Must hold an IAT Level II certification or higher (CompTIA Security+ CE is required).
• Technical Skills:
  • Demonstrated experience performing DISA STIG application and troubleshooting resultant system issues.
  • Hands-on experience with automated vulnerability scanning tools such as ACAS or Tenable Nessus.
  • Expertise in Windows Server administration (2016/2019/2022).
  • Familiarity with networking principles and secure communications (e.g., firewall rules, secure protocols).

Preferred Requirements:

• Direct experience supporting U.S. Navy or U.S. Coast Guard C4ISR, training, or mission systems.
• Proficiency with VMware vSphere and managing virtual desktop infrastructure (VDI).
• Experience documenting compliance and security evidence in eMASS.