Windows​/RHEL System Administrator - Huntsville, Alabama

Davidson has distinguished itself in the aerospace and missile defense industry with an outstanding reputation for excellence. Specifically, we're recognized for hiring noted experts, experienced engineers and scientists dedicated to designing and delivering advanced, intelligent technology solutions in defense of our Nation.

• Administer Windows
  10/11 clients and Windows Server
  2019/2022 hosts, including virtualization platforms (Hyper‑V/VMware).
• Manage Active Directory forests, OU structure, group policy, DNS, file sharing (SMB/CIFS) and NFS services.
• Develop and maintain Power Shell and batch scripts for provisioning, software deployment and remediation.
• Create and run Ansible playbooks for cross‑platform (Windows & RHEL) automation.
• Apply DISA STIGs, ACAS scan remediations and Evaluate‑STIG tools; perform security‑focused OS/software updates and hardening.
• Administer Microsoft Office 365, Teams, SharePoint and related services.
• Diagnose and resolve Windows OS, application and networking issues; provide Level2/3 support.
• Participate in Agile ceremonies (sprint planning, stand‑ups) and contribute to Git/Git Lab repositories and CI/CD pipelines.
• Produce run‑books, SOPs and configuration documentation; mentor junior staff on hybrid Windows/Linux operations.

• Active Final Secret clearance.
• CompTIA Security+ (CE) certification or higher.
• 5-10 years experience in Windows administration within a secure, multi‑OS environment.
• Proficiency with Windows
  10, Windows
  11, Server
  2019 and Server
  2022.
• Experience with AD, DNS, file sharing, group policy and NFS.
• Advanced Power Shell scripting and batch scripting skills.
• Patch management experience (WSUS, SCCM or equivalent).
• Familiarity with DISA STIGs, ACAS and Evaluate‑STIG processes.
• Strong written and verbal communication for documentation and stakeholder interaction.

• Administration experience with Red Hat Enterprise Linux (RHEL).
• Experience designing and maintaining Ansible playbooks for Windows and RHEL.
• Participation in Agile development (Scrum/Kanban).
• Git/Git Lab repository management and branching strategies.
• Involvement in Dev Ops pipelines (Jenkins, Git Lab CI).
• Virtualization experience (Hyper‑V, VMware ESXi, KVM).
• Monitoring tools experience (Splunk, Solar Winds, Prometheus).

• Strong problem‑solving and root‑cause analysis.
• Ability to work under strict security and compliance constraints.
• Collaborative mindset; works effectively with Linux, network and security teams.
• Detail‑oriented documentation and change‑control processes.
• Continuous‑learning attitude for emerging Windows and hybrid‑cloud technologies.

• Must have an Active DoD Secret security clearance.