COLSA is seeking a Windows Systems Administrator to support the U.S. Army Materiel Command in Huntsville, Alabama. This position will provide hands-on systems administration and technical support for Windows-based server environments supporting mission-critical Army operations. This role may require approximately 10 to 15 percent CONUS travel to support operational sites and system deployments. Principal Duties and Responsibilities + Administer, monitor, and maintain enterprise physical and virtual Microsoft Windows Server environments across domain-joined, workgroup, and isolated (air-gapped) network environments + Install, test, and validate Windows Server security patches, updates, and system configuration changes + Apply required security updates and configurations to systems supporting Microsoft SQL Server environments + Implement and maintain compliance with applicable DISA Security Technical Implementation Guide (STIG) requirements + Review vulnerability scan results, perform remediation activities, and support vulnerability management efforts + Utilize vulnerability assessment and compliance tools such as ACAS, SCAP, STIG Viewer, and similar tools + Monitor system backup operations and support backup validation, restoration, and recovery activities + Coordinate with site personnel to ensure required patches, security updates, and configuration changes are implemented + Support Windows-based application workstations and related infrastructure as required + Coordinate with external Test Lab personnel to validate system configurations prior to production deployment + Perform on-site server maintenance, patching, troubleshooting, configuration changes, and security remediation activities + Maintain system documentation, configuration records, vulnerability status reports, and compliance documentation + Troubleshoot Windows operating system, server, application, virtualization, and connectivity issues + Support virtualized environments utilizing VMware, Microsoft Hyper-V, or similar technologies At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our "Family of Professionals!" Learn about our employee-centric culture and benefits here: https://www.colsa.com/culture\_benefits Required SkillsRequired Experience + Bachelor's degree in information technology, cyber, or related technical discipline + Minimum of eight years of related experience in Windows systems administration or infrastructure support + Security+ certification (or equivalent/higher) + Applicable Computing Environment (CE) certification + Active Secret security clearance; U.S. Citizenship required + Ability to work on site in Huntsville, AL, with CONUS travel approximately 10 to 15 percent + Demonstrated experience administering and maintaining Microsoft Windows Server environments + Proficiency with Active Directory, Group Policy, user access management, permissions, and Windows domain services + Experience managing physical and virtual server environments + Experience applying system patches, security updates, and DISA STIG compliance requirements + Experience reviewing and remediating system vulnerabilities using ACAS, SCAP, or similar tools + Experience supporting virtualized environments utilizing VMware, Microsoft Hyper-V, or comparable technologies Preferred Qualifications + Master's degree in a related technical discipline + Knowledge of Army enterprise IT operations, cybersecurity requirements, management practices, and operational support procedures + Experience supporting Army installation-level IT operations, including Network Enterprise Center (NEC) or Regional Cyber Center (RCC) environments + Experience supporting DoD Risk Management Framework (RMF) processes and cybersecurity authorization requirements + Advanced experience administering Windows Server environments + Experience designing, configuring, or troubleshooting enterprise virtualization environments utilizing VMware vSphere/ESXi or Microsoft Hyper-V + E xperience supporting Microsoft SQL Server environments, including patching, configuration, and troubleshooting Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.