Systems Administrator

RCG is seeking an experienced Systems Administrator to support a federal customer in Hawaii. This position will provide hands-on administration, operation, maintenance, security, and lifecycle support for enterprise Microsoft Windows systems and related infrastructure.

The ideal candidate will have strong experience with Microsoft Windows Server, Active Directory, DHCP, Windows endpoints, system security, patching, troubleshooting, and hardware/software lifecycle management. Experience supporting Red Hat Linux environments and enterprise endpoint management tools such as BigFix is highly desirable.

Due to customer requirements, all contractors supporting this program must be a U.S. Citizen or Lawful Permanent Resident and be able to obtain and maintain a Public Trust Clearance. What You’ll Do Systems Administration & Infrastructure Support

• Administer and support Microsoft Windows Active Directory infrastructure, including domain controllers, file servers, and DHCP servers.
• Integrate systems and applications into the enterprise Microsoft Active Directory environment.
• Support Microsoft Windows servers, desktops, laptops, and audiovisual (AV) devices.
• Provide integration support for Red Hat Linux servers and workstations.
• Support enterprise BigFix services for endpoint management and system administration.
• Lead and maintain enterprise Windows configurations.
• Upgrade systems to current supported Microsoft operating system versions.
• Perform user and system account administration, including account creation, permission changes, access management, and account removal.
• Provision, manage, monitor, and restore network communications.
• Provide data backup, restoration, and recovery support.

System Maintenance & Lifecycle Management

• Develop annual hardware, software, and licensing requirements.
• Install, configure, support, and maintain system hardware and software.
• Track and manage hardware, software, applications, and licenses throughout their lifecycle.
• Provision and update systems with new versions of application software.
• Troubleshoot and resolve system failures, performance problems, and security issues.
• Decommission outdated systems and prepare equipment for proper disposal.
• Maintain accurate documentation of system changes, configurations, and updates.

Windows Security Administration

• Apply and maintain current Security Technical Implementation Guide (STIG) configurations across Microsoft Windows systems.
• Install and maintain operating system and security patches.
• Monitor system logs for performance, operational, and security issues.
• Identify and remediate system vulnerabilities and configuration issues.
• Implement and enforce applicable federal cybersecurity, system management, and IT policies.
• Ensure systems remain appropriately configured, patched, secured, and operational.

• 5+ years of relevant IT systems administration experience, including at least 3 years of hands-on experience administering Microsoft Windows Server and Active Directory environments.
• Strong experience with Microsoft Windows Server and Windows desktop operating systems.
• Hands-on experience with Active Directory administration and integration, including domain controllers, file servers, DHCP, permissions, and account administration.
• Experience with Windows system configuration, operating system upgrades, patching, and troubleshooting.
• Experience implementing and maintaining STIG configurations in an enterprise environment.
• Knowledge of system security, log monitoring, vulnerability remediation, and configuration management.
• Experience with hardware and software installation, maintenance, and lifecycle management.
• Experience with backup, restoration, and recovery processes.
• Experience with enterprise endpoint management and patching tools; BigFix experience is highly desirable.
• Experience integrating or supporting Red Hat Linux systems within an enterprise environment is preferred.
• Strong technical documentation, troubleshooting, communication, and customer-service skills.
• Ability to work effectively and independently in an on-site federal IT environment.

RCG offers competitive compensation and benefits, opportunities for professional growth, and the chance to support technology that contributes directly to important government missions. We are proud to have been Certified as a Great Place to Work for four consecutive years. Equal Opportunity Employer

RCG, Inc. is a growing federal contracting company delivering technology and IT solutions in support of critical government missions. Certified as a Great Place to Work for four consecutive years, we pride ourselves on providing a collaborative environment where talented professionals can make a meaningful impact.