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# System Administrator

- **Company:** Booz Allen Hamilton Holding Corporation
- **Location:** Columbia, MD, United States
- **Experience:** Experienced
- **Salary:** $77,600.0 - $176,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, CentOS, Linux, Domain Name System (DNS), VMware ESX Servers, Python (Programming Language), Network Administration, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Virtual Machines, Firewalls (Computer Science), Git, Apache Nifi, Puppet, Terraform
- **Published:** May 19, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=e07fe99266f51f50

## About the Role

* 3+ years of experience with Red Hat Enterprise Linux or CentOS
 * Experience with GIT
 * Experience managing virtual machines and VMware ESXi
 * 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 a degree
 * Ability to obtain DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date

Nice If You Have:

 * Experience with AWS
 * Experience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef or Terraform
 * Experience with Python
 * Experience with Apache NiFi or NiagraFiles
 * 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 the technology supporting the Department of Defense? We're looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers.

As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure better using the latest technology and the best implementation strategies. You'll recommend technologies and approaches to improve platform security, stability, reliability and comply with security controls. You'll recommend improvements and architecture changes to dramatically improve speed and performance. You'll provide your customers insight into their network through monitoring and performance management. Your technical expertise will be vital as you identify problem areas and opportunities for improvement in a mission critical network. You'll help your team better understand the network by turning metrics into information and explaining their meaning. We focus on growing as a team, so you'll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies. 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 cross domain.


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