> Markdown version of [/jobs/ext/4623449-system-administrator-senior](https://www.wearedevelopers.com/jobs/ext/4623449-system-administrator-senior). 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). --- # System Administrator, Senior - **Company:** Booz Allen Hamilton Inc. - **Location:** Laurel, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $77,600 - $176,000 - **Contract:** Internship / Graduate position - **Skills:** Proxmox, Amazon Web Services, Linux, Domain Name System (DNS), Python (Programming Language), Network Administration, Windows PowerShell, Red Hat Enterprise Linux, Ansible, VMware Infrastructure, Firewalls (Computer Science), Git, Puppet, Terraform - **Published:** November 7, 2026 - **Apply:** https://careers.boozallen.com/jobs/JobDetail?jobId=119979 ## About the Role * 3+ years of experience with Red Hat Enterprise Linux or Rocky * 3+ years of experience with Proxmox * Experience with Git * Experience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, or Terraform * Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS * TS/SCI clearance with a polygraph * Bachelor's degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of degree * Ability to obtain a DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date Nice If You Have: * Experience with AWS * Experience with virtual infrastructure migrations * Experience with Python * Knowledge of bi-directional network transfer systems * DoD 8570.1 IAT Level II Compliant Certification ## Description Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a System Administrator to help us design, deploy, and maintain Enterprise Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers., As a technical leader, you'll identify new opportunities to modernize the network to help your customers meet their needs. Join our team and solve daily challenges as we improve enterprise cross domain services for our clients.