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Davidson Technologies, Inc.

Windows/RHEL System Administrator - Huntsville, Alabama

Davidson Technologies, Inc. Huntsville, Alabama, United States

Defense and Space Manufacturing · 201-500 employees

Jul 14
sysadmin Mid (2-5 yrs) Full-time United States
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About the role

The system administrator will manage Windows and RHEL environments, including virtualization, Active Directory, and security compliance. They will also develop automation scripts, perform patch management, and provide technical support for the Integrated Battle Command System program.

What they look for

Windows Administration RHEL Active Directory PowerShell Ansible DISA STIGs ACAS Virtualization Group Policy DNS Patch Management Agile Git CI/CD System Hardening Network Troubleshooting

Requirements

Candidates must possess a CompTIA Security+ certification and an active DoD Secret security clearance. The role requires 2-5 years of experience in Windows administration and proficiency in scripting, security hardening, and infrastructure management.

Full description

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.

Davidson Technologies is seeking a Windows/RHEL System Administrator in Huntsville, Alabama to support the Integrated Battle Command System (IBCS) program.

Key Responsibilities

  • 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 PowerShell and batch scripts for provisioning, software deployment and remediation.
  • Create and run Ansible playbooks for cross‑platform (Windows & RHEL) automation (bonus).
  • 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 Level 2/3 support.
  • Participate in Agile ceremonies (sprint planning, stand‑ups) and contribute to Git/GitLab repositories and CI/CD pipelines (bonus).
  • Produce run‑books, SOPs and configuration documentation; mentor junior staff on hybrid Windows/Linux operations.

Required Qualifications

  • CompTIA Security+ (CE) certification or higher.
  • 2-5 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 PowerShell 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.

Preferred (Bonus) Qualifications

  • 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/GitLab repository management and branching strategies.
  • Involvement in DevOps pipelines (Jenkins, GitLab CI).
  • Virtualization experience (Hyper‑V, VMware ESXi, KVM).
  • Monitoring tools experience (Splunk, SolarWinds, Prometheus).

Key Skills & Competencies

  • 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.

Clearance:

  • Must have an Active DoD Secret security clearance

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