System Administrator

The Department of Homeland Security (DHS) has a continuing requirement for Homeland Enterprise Information Technology Secure Services and Support (HEITS) to maintain the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN).

As a System Administrator, you will support the administration, operation, maintenance, and security of enterprise information technology systems, focusing on Windows and/or Linux server environments.

Primary Responsibilities:

• Administer, configure, maintain, and troubleshoot Windows Server and/or Linux operating systems.
• Manage user accounts, groups, permissions, and access controls in Active Directory and related identity-management services.
• Perform system monitoring, event-log review, capacity management, and performance tuning.
• Apply operating system patches, security updates, and configuration changes according to approved change-management procedures.
• Support vulnerability remediation efforts and maintain compliance with applicable security requirements, including STIGs and customer security policies.
• Maintain server documentation, system inventories, standard operating procedures, and configuration records.
• Support backup, recovery, continuity-of-operations, and disaster-recovery activities.
• Investigate and resolve escalated hardware, software, operating system, and access-related incidents.
• Coordinate with cybersecurity, networking, cloud, application, and service-management teams to resolve complex technical issues.
• Participate in system upgrades, migrations, testing, deployments, and technology-refresh activities.
• Provide technical status updates, incident documentation, and operational reports to management and government stakeholders.
• Participate in on-call, after-hours, or maintenance-window support as required by the program.

Required Qualifications:

• Bachelor’s degree in information technology, Computer Science, Cybersecurity, Engineering, or a related field, plus 2-4 years of relevant experience.
• At least 2+ years of experience administering Windows Server, Linux, or mixed enterprise server environments.
• Experience with Microsoft Active Directory, Group Policy, DNS, DHCP, file services, and access management.
• Experience performing system patching, vulnerability remediation, and configuration management.
• Familiarity with system monitoring, log analysis, troubleshooting, and incident-resolution processes.
• Experience using ticketing and IT service-management tools, such as ServiceNow, Remedy, or a comparable platform.
• Knowledge of cybersecurity principles, least privilege, secure configuration practices, and applicable security controls.
• Ability to create and maintain technical documentation, procedures, and operational reports.
• Strong written and verbal communication skills and the ability to work effectively in a team environment.

Preferred Qualifications:

• Current CompTIA Security+ CE or other DoD 8570/8140-aligned certification.
• Microsoft, Red Hat, VMware, AWS, Azure, or other relevant technical certifications.
• Experience implementing or maintaining DISA Security Technical Implementation Guides (STIGs).
• Experience with VMware vSphere, virtualized environments, storage platforms, or backup and recovery tools.
• Experience with scripting and automation using PowerShell, Bash, Python, Ansible, or similar tools.
• Experience supporting cloud or hybrid-cloud infrastructure.
• Experience supporting DHS, federal civilian, or other regulated government IT environments.
• Familiarity with Agile, DevSecOps, Infrastructure as Code, or automated configuration-management practices.
• DHS EOD.
• Security Vetting for up to TS/SCI.

Pay Range: $59,150.00 - $106,925.00