New

Windows System Administrator

Quadrant, Inc.
United States, Georgia, Atlanta
Dec 02, 2025
Windows System Administrator Atlanta, GA Pay From: $110,000 Per Year MUST: Experienced Windows Systems Administrator Public trust is clearable Required Current Microsoft certification (e.g., Microsoft Certified: Windows Server Hybrid Administrator Associate, Identity and Access Administrator Associate, Cybersecurity Architect Expert, or higher). 10+ years of experience in Information Technology, with a focus on Windows systems administration. Strong knowledge and proficiency (10+ years of experience) with on-premises Active Directory, Group Policy Objects (GPOs), User Account Management, DHCP, DNS, TCP/IP, IPv4/IPv6 addressing, Windows Desktop and Server Administration, Certificate Services, and Windows Server Failover Cluster (WSFC). Strong scripting skills in PowerShell/PowerCLI. Experienced in troubleshooting and resolving LAN/WAN connections, performance/throughput issues, and other related network problems. Preferred experience with any of the following: security hardening framework standards and regulations from Center for Internet Security (CIS) Control 4, National Institute of Standards and Technology (NIST) Special Publication 800-53 Revision 5, and Defense Information Systems Agency's (DISA) Security Technical Implementation Guides (STIGs). Excellent problem-solving, communication, and documentation skills. Ability to work independently and collaboratively in a team environment. Excellent problem-solving, communication, and documentation skills. Ability to work independently and collaboratively in a team environment. Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or related field (or equivalent combination of education and experience). DUTIES: Qualified candidate will have deep expertise in Windows Server technologies, Active Directory, scripting, and hybrid cloud solutions, and will play a key role in designing, implementing, maintaining, and optimizing Windows-based environments. Design, implement, and maintain Windows Server environments (2016-2022), ensuring their reliability, security, and optimal performance. Manage and optimize Active Directory and IIS configurations to support operational requirements. Create, implement, maintain, troubleshoot, and utilize advanced PowerCLI and PowerShell scripts to automate repetitive tasks, enhance system functionalities, and troubleshoot issues. Must also be comfortable performing Administration and O&M tasks from the command line. Design, implement, and manage a comprehensive disaster recovery and backup strategy utilizing hybrid cloud solutions such as CommVault Metallic Backups. Perform administration, management, troubleshooting and deployment of operating system updates/upgrades, security patches, and software to Windows 10/11 desktops and Windows Servers 2016/2019/2022 in both physical and virtualized environments. Maintain detailed documentation for system designs, configurations, processes, and service records. Collaborate with cross-functional teams to support IT infrastructure projects, providing expert guidance and technical leadership. Lead and mentor junior team members in best practices and technical challenges. Troubleshoot and resolve LAN/WAN connections, performance/throughput issues, and other related network problems. Analyze development and implementation requirements and make appropriate modifications to existing systems and prepare specifications based on customer requests. Ensure compliance with security hardening framework standards and regulations from Center for Internet Security (CIS) Control 4, National Institute of Standards and Technology (NIST) Special Publication 800-53 Revision 5, and Defense Information Systems Agency's (DISA) Security Technical Implementation Guides (STIGs). Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act".