> Markdown version of [/jobs/ext/4715926-senior-windows-administrator](https://www.wearedevelopers.com/jobs/ext/4715926-senior-windows-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Windows Administrator - **Company:** CDO Technologies, Inc - **Location:** Beavercreek, OH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Apache HTTP Server, Complex Networks, CompTIA Security+, System Configuration, Data Centers, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Firmware, Internet Information Services (IIS), Simple Mail Transfer Protocols, Windows Servers, Windows PowerShell, Red Hat Enterprise Linux, Simple Network Management Protocols, TCP/IP, Web Applications, Information Technology, Palo Alto Networks, Patch Management, Software Version Control - **Published:** November 14, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88864001/1 ## About the Role * Active DoW Secret security clearance. * CompTIA Security+ certification. * Computing Environment certification, such as MCSE, Server+, CCNA, Red Hat, Palo Alto, or equivalent; may be obtained within 30 days after project start. * 8 years Experience in computer science or IT with: * At least five years of experience as a Windows Systems Administrator or Engineer. * At least three years of PowerShell automation experience. * At least five years installing, configuring, maintaining, and troubleshooting complex applications and websites, including IIS and Apache. * At least five years supporting complex network environments and core protocols/services, including TCP/IP, DNS, DHCP, SMTP, and SNMP. * At least five years managing enterprise Active Directory structures. * At least five years creating and maintaining complex Microsoft Group Policy implementations. * At least five years creating, maintaining, and following SOPs for repeatable processes, disaster recovery, and common-problem resolution. * Strong interpersonal and team-collaboration skills. Preferred Qualifications * Bachelor's degree in computer science or equivalent experience. At least three years of experience supporting patch management, STIGs, SRGs, RMF, SCA-V, and CORA activities. ## Description The Senior Windows Administrator supports a mixed and growing Windows Server 2019 and Windows Server 2022 enterprise environment. This role delivers secure administration, automation, performance management, lifecycle support, and technical leadership for Government-hosted services., * Manage, maintain, deploy, troubleshoot, and support Windows server infrastructure. * Plan, execute, and implement new systems hardware and software. * Monitor, tune, harden, and report on server performance, security, and operational status. * Administer enterprise Active Directory and Group Policy environments. * Automate administrative tasks using PowerShell. * Install, configure, sustain, and troubleshoot complex web applications and websites, including IIS and Apache. * Maintain technical instructions, operating procedures, policies, utilization reports, and corrective-action records. * Support lifecycle management, firmware version control, and preventive maintenance for data-center equipment. * Recommend and implement technologies that improve infrastructure efficiency, resilience, and capability.