Junior Cybersecurity Systems Administrator

On-site program support at Peterson Air Force Base in Colorado Springs with a role focused on enterprise system administration, security hardening, and cybersecurity compliance across classified and unclassified DoD environments. This position supports mission operations through configuration, patching, monitoring, vulnerability remediation, and incident response assistance, while working with cross-functional cybersecurity, network, and systems teams. Salary: $70,000 to $85,000 per year. Responsibilities Administer, configure, maintain, and secure enterprise information systems supporting DoD mission environments. Perform day-to-day system administration of Windows and other enterprise operating systems and services. Install, configure, update, and maintain enterprise applications, servers, endpoints, and supporting infrastructure. Implement system-hardening requirements and maintain compliance with applicable DISA STIGs . Perform operating system, application, and security patching according to established cybersecurity and configuration-management processes. Review, analyze, track, and remediate system vulnerabilities and cybersecurity findings. Implement and validate IAVAs , IAVBs , and other DoD-directed cybersecurity updates. Support vulnerability scanning, analyze results, remediate identified findings, and validate corrective actions. Maintain system configuration baselines and support formal configuration-management and change-control processes. Administer user accounts, permissions, authentication mechanisms, and access controls in line with least-privilege and DoD security requirements. Support Active Directory, Group Policy, enterprise identity services, and related authentication and authorization technologies. Monitor system health, security status, logs, performance, capacity, and availability. Investigate and resolve system, application, authentication, network connectivity, and cybersecurity issues. Review system and security logs to identify anomalous activity, system failures, unauthorized changes, and potential cybersecurity incidents. Support cybersecurity incident identification, investigation, containment, remediation, and recovery activities. Support operation and maintenance of classified and unclassified DoD information systems, including secure movement and handling of information between authorized systems and security domains. Implement and maintain security controls supporting Risk Management Framework (RMF) and system authorization requirements. Develop and maintain system documentation, configuration records, standard operating procedures, technical guides, and cybersecurity artifacts. Support system upgrades, technology refreshes, application deployments, and integration of new hardware and software. Coordinate with cybersecurity, network, systems, and security personnel to resolve technical and compliance issues. Support government customers during cybersecurity inspections, assessments, audits, and authorization activities. Provide technical guidance and mentoring to junior system administrators and support personnel as required. Requirements 0-2+ years of relevant experience in systems administration, cybersecurity, enterprise IT, network administration, or related technical disciplines. Demonstrated hands-on experience administering Video Teleconference applications in a DoD, classified environment. Experience administering and securing Microsoft Windows Server and Windows enterprise environments. Experience with Active Directory , Group Policy , account administration, permissions, authentication, and access-control technologies. Experience implementing cybersecurity hardening, system security configurations, OS patching, and application updates. Experience applying and maintaining DISA STIG requirements or comparable system-hardening standards. Experience identifying, tracking, remediating, and validating system vulnerabilities. Experience supporting enterprise vulnerability-management and patch-management processes. Working knowledge of DoD cybersecurity requirements and information assurance practices. Experience with system configuration management, configuration baselines, and formal change-control processes. Working knowledge of

TCP/IP

, enterprise networking, DNS , DHCP , network services, and common enterprise protocols. Experience reviewing system logs and technical data to troubleshoot system and cybersecurity issues. Experience troubleshooting enterprise operating systems, applications, authentication, network connectivity, and security-related problems. Experience developing and maintaining system documentation, procedures, configuration records, and cybersecurity artifacts. Ability to work effectively with cybersecurity engineers, network administrators, system administrators, security personnel, and government customers. Experience supporting DoD, federal government, or other mission-critical enterprise information systems. Travel: up to 25%. Ability to maintain a TS/SCI security clearance required for assigned programs. Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Information Systems, Engineering, or related technical discipline (relevant technical experience may be considered in lieu of a degree). DoD 8140/8570 compliant certification appropriate for assigned system administration and cybersecurity responsibilities. DOD IAT/IAM Level II certification. Microsoft, VMware, Cisco, Red Hat, or other relevant enterprise system administration certification. Cloud administration or cloud security certification. Additional certifications applicable to DoD systems administration, cybersecurity, or information assurance responsibilities. Technologies Video Teleconference applications Microsoft Windows Server, Windows Active Directory Group Policy TCP/IP

DNS, DHCP

Risk Management Framework (RMF) DISA Security Technical Implementation Guides (STIGs) Information Assurance Vulnerability Alerts (IAVAs) Information Assurance Vulnerability Bulletins (IAVBs) #J-18808-Ljbffr Cybersecurity Jobs