Linux System Administrator

Booz Allen Hamilton

. Manage and maintain RHEL, CentOS, and Ubuntu Linux servers across enterprise environments .

Posted 9/15/2026full-timeMcLean • Florida • United StatesMid-LevelSenior💰 $62,000 - $141,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in managing and maintaining Linux servers, ensuring system integrity, performance, and security while implementing automation solutions. Proficient in disaster recovery processes and compliance with federal standards.

Highest-signal resume keywords

RHEL Systems AdministrationAutomation Solutions DevelopmentSecurity Measures ImplementationCloud Platform ExperienceDisaster Recovery Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Server ManagementBash ScriptingPython ProgrammingAnsible AutomationDNS ConfigurationDHCP ConfigurationNFS ServicesVPN ServicesDatabase AdministrationNetwork Services Knowledge

Soft Skills

Incident ResponseRoot Cause AnalysisTechnical Documentation

Tools & Technologies

RHEL 8RHEL 9AWSAzureDockerKubernetesWebLogic Server

Certifications & Qualifications

Red Hat Certified Engineer (RHCE)CompTIA Linux+Linux Professional Institute Certification

Industry Keywords

Federal ComplianceSystem Hardening24x7x365 On-Call SupportMulti-Server EnvironmentsEnterprise Networks

Tech Stack

Tools & technologies

AnsibleAWSAzureCloudDNSDockerFirewallsKubernetesLinuxMySQLNFSOraclePostgresPython

About the role

Key responsibilities & impact

Manage and maintain RHEL, CentOS, and Ubuntu Linux servers across enterprise environments
Ensure system integrity, performance, availability, and security
Install, configure, and troubleshoot server software and services
Monitor system performance and implement tuning measures
Implement and maintain firewalls, access management, patching, and system hardening for federal compliance
Develop automation solutions using Bash, Python, and Ansible
Oversee backup and disaster recovery processes
Configure and troubleshoot DNS, DHCP, NFS, and VPN services
Respond to and resolve system incidents; conduct root cause analyses and implement preventative measures
Maintain technical documentation
Contribute to and lead infrastructure upgrades, migrations, and new system implementations
Support mission-critical infrastructure for a federal client and Veterans nationwide

Requirements

What you’ll need

5+ years of experience in system administration
2+ years of experience as Red Hat Enterprise Linux (RHEL) Systems Administrator for applications Enterprise Networks and Multi-server environments
Experience implementing and managing security measures, firewalls, or intrusion detection systems
Experience building and supporting Testing, Contingency, Production, or Disaster Recovery server environments
Knowledge of TCP, IP, DNS, routing, and network services
Ability to support a 24x7x365 on-call rotation for critical system outages
Ability to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirements
HS diploma or GED
Experience with RHEL 8 or 9
Experience with cloud platforms such as AWS or Azure
Experience administering MySQL, PostgreSQL, or Oracle databases on Linux and managed cloud services
Experience with Docker or Kubernetes, including AKS or EKS
Experience administering or optimizing WebLogic Server
Red Hat Certified Engineer (RHCE), CompTIA Linux+, or Linux Professional Institute Certification

Benefits

Comp & perks

Health benefits
Life insurance
Disability benefits
Financial benefits
Retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Dependent care
Recognition awards program
Identity verification and fraud protection process