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# Linux Systems Administrators

- **Company:** CareerCircle
- **Location:** Arlington, VA, United States
- **Salary:** $116,350.0 - $210,325.0
- **Contract:** Permanent contract
- **Skills:** Proxmox, Active Directory, Agile Methodology, Artificial Intelligence, Amazon Web Services, Systems Engineering, User Authentication, Microsoft Azure, Bash Shell, Bioinformatics, Ubuntu (Operating System), CentOS, Configuration Management, Signals Intelligence, CompTIA Security+, Cyber Security, Linux, DevOps, Data Flow Control, Issue Tracking Systems, Intrusion Detection and Prevention, Python (Programming Language), Key Management, Kernel-Based Virtual Machine, Network Troubleshooting, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Linux Servers, Unix Shell, Microsoft Security Essentials, Virtual Desktops, Open Source Intelligence, Public Key Infrastructure, PowerCLI, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Software Configuration Management, System Testing, Systems Integration, Oracle Linux, Virtualization Technology, Backup and Restore, Scripting, Network Storage, Transport Layer Security, Data Storage Management, Computer Network Operations, Virtual Environment, Containerization, Kubernetes, Low Latency, Puppet, Vmware
- **Published:** June 17, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/annapolis-junction/592e68dd-133f-4c87-a767-44c35c7c49b8

## About the Role

* Linux systems administration (RHEL, Rocky Linux, CentOS, or similar distributions)
 * STE/STN support
 * Virtualization and/or container technologies
 * Scripting and automation (Bash, Python, Ansible, Salt, etc.)
 * Storage management, networking, and system troubleshooting
 * SSP compliance and secure system administration
 * Experience supporting classified operational environments
 * Security Clearance Requirement: Active TS/SCI with Polygraph

Desired Skills

 * AWS cloud environments
 * KVM, Proxmox, or similar virtualization platforms
 * FreeIPA, Centrify, LDAP, or Active Directory
 * PKI, TLS, and cryptographic technologies
 * Mixed Linux/Windows environments

Experience Levels

Level 0: Bachelor's degree and 0-5 years of experience

Level 1: Bachelor's degree and 5-10 years of experience

Level 2: Bachelor's degree and 10-20 years of experience

Level 3: Bachelor's degree and 20+ years of experience

Candidates without a bachelor's degree will be considered on a case-by-case basis and may substitute an additional 5 years of relevant experience., System Testing
Risk Management
Authentications
Access Controls
Data Collection
Remedial Action
Server Patching
Network Storage
Confidentiality
Ancient History
Virtual Desktops
Operating Systems
Agile Methodology
Technical Support
Change Management
Red Hat Satellite
Windows PowerShell
Backup And Restore
Root Cause Analysis
Process Improvement
Systems Integration
Amazon Web Services
Process Engineering
GIAC Certifications
Functional Analysis
Virtual Environment
Security Engineering
Contingency Planning
Technical Management
Azure Cloud Services
CompTIA Security+ CE
IT Service Management
System Administration
Requirements Analysis
Cross-Domain Solutions
Configuration Management
Red Hat Enterprise Linux
Commercial Off-the-Shelf
Open Source Intelligence
Government Off-The-Shelf
Authorization (Computing)
Ubuntu (Operating System)
VMware Certified Associate
Continuous Improvement Process
Troubleshooting (Problem Solving)
Software Configuration Management
Intrusion Detection And Prevention
VMware Certified Professional (VCP)
Puppet (Configuration Management Tool)
Systems Security Certified Practitioner
GIAC Security Essentials Certification (GSEC)
Red Hat Certified System Administrator (RHCSA)
GIAC Global Industrial Cyber Security Professional

## Description

CentOS
Ansible
Proxmox
Equities
Automation
Purchasing
Upskilling
Market Data
Cryptography
Virtualization
Ancient History
Analytical Method
Storage Management
Time Off Management
Security Engineering
Signals Intelligence
System Administration
Red Hat Enterprise Linux
Bash (Scripting Language)
Computer Network Operations
Python (Programming Language)
Lightweight Directory Access Protocols
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), Seeking Linux Systems Administrators to support mission-focused Intelligence Community environments. Multiple experience levels are available., All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Related Jobs
TS Cleared Linux System Administrator
Actalent
Arlington, VA*On-Site
Linux
Writing
Research
Visionary
Leadership
Innovation
Low Latency
Linux Servers
Service Models
Problem Solving
Operating Systems
Systems Engineering
Artificial Intelligence
Network Troubleshooting
Engineering Design Process
Troubleshooting (Problem Solving)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)
+0
Linux Server Systems Administrator
Leidos
Bethesda, MD*On-Site
Unix
Linux
Triage
Writing
Ansible
Auditing
Equities
PowerCLI
Scripting
Hardening
Operations
Management
Automation
Innovation
Unix Shell
Market Data
Cryptography
Oracle Linux
Linux Servers
Prioritization
Issue Tracking, Linux
DevOps
CentOS
Ansible
Freeipa
Dataflow
Equities
Scripting
Purchasing
Kubernetes
Upskilling
Market Data
Cryptography
Virtualization
Key Management
System Testing
Authentications
Helm (Software)
Ancient History
Active Directory
Containerization
Docker (Software)
Analytical Method
Systems Engineering
Time Off Management
Security Engineering
Willingness To Learn
Signals Intelligence
System Administration
Technical Documentation
Bash (Scripting Language)
Authorization (Computing)
Computer Network Operations
Python (Programming Language)
Troubleshooting (Problem Solving)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)


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