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# Linux System Administrator

- **Company:** CareerCircle
- **Location:** Alexandria, VA, United States
- **Experience:** Expert
- **Salary:** $87,100.0 - $157,450.0
- **Contract:** Permanent contract
- **Skills:** Comptia Cloud+, Agile Methodology, Amazon Web Services, Apache HTTP Server, Apache Tomcat, Server Applications, Systems Engineering, User Authentication, Microsoft Azure, Bash Shell, Ubuntu (Operating System), CentOS, Configuration Management, Program Optimization, CompTIA Security+, Cyber Security, Computer Engineering, System Configuration, Continuous Integration, Database Servers, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Web Servers, Identity and Access Management, Issue Tracking Systems, Networking Hardware, Intrusion Detection and Prevention, Python (Programming Language), Linux System Administration, Linux Servers, Unix Shell, Log Analysis, MariaDB, Microsoft Security Essentials, Microsoft Servers, Windows Servers, Virtual Desktops, Open Source Intelligence, PowerCLI, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Salesforce.Com, Software Configuration Management, Software Requirements Analysis, System Testing, Systems Integration, Oracle Linux, VMware Infrastructure, Virtualization Technology, VMware Virtualization, Network Switches, Network Routing, Scripting, Network Storage, IT Architecture, HybridCloud, Infrastructure as Code (IaC), SC Clearance, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Atlassian Tools, Puppet, Comptia Linux+, Devsecops, Cisco, Docker, Servicenow, Vmware
- **Published:** September 25, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/va/alexandria/5793812e-f58f-49a8-9cc8-913cd6031934

## About the Role

MariaDB
Equities
Market Data
Web Servers
Apache Tomcat
Security Tools
Network Routing
Network Switches
Operating Systems
Networking Hardware
Application Servers
Technical Leadership
System Administration
Hybrid Cloud Computing
IAT Level I Certification
IAT Level III Certification
Troubleshooting (Problem Solving)
Dynamic Host Configuration Protocol (DHCP), * US Citizen with at least an active Secret clearance.

 * Bachelor's degree with 4+ years of experience or a Master's degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
 * 4+ years of experience providing System Administration to DoD IT systems.
 * DoD 8570 IAT level I compliant.

Preferred Qualifications:

 * 6+ years of experience providing System Administration to DoD IT systems.
 * DoD 8570 IAT level III compliant.

## Description

* Provide support for installing and maintaining Linux servers.
 * Provide technical leadership for migrating on premise infrastructure to hybrid cloud solution.
 * Provide support for troubleshooting from OS to application-level issues.
 * Manage networking equipment including switches, routers and firewalls.
 * Manage configuration and maintenance of core enclave infrastructure services including DCHP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Atlassian applications, MariaDB database servers.
 * Configure and monitor security tools required for DoD networks.
 * Participate and contribute to design discussions related to improving the capabilities, performance and security posture of new and existing services., Equities
Operations
Management
Automation
Innovation
Resilience
Reliability
Market Data
Ancient History
System Integrity
Operating Systems
Help Desk Support
Quality Assurance
System Optimization
Security Engineering
Resource Utilization
System Configuration
System Administration
Operational Efficiency
Bash (Scripting Language)
Continuous Improvement Process
Troubleshooting (Problem Solving)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)
+0

Google IT Automation with Python

Google IT Support

Salesforce Admin

Salesforce Developer
Linux Server Systems Engineer
Leidos

Bethesda, MD*On-Site

Unix
Linux
CI/CD
Ansible
Auditing
Equities
PowerCLI
Scripting
Hardening
DevSecOps
Pipelines
Operations
Management
Automation
Innovation
Resilience
Kubernetes
Unix Shell
Scalability
Reliability
Market Data
Test Design
Log Analysis
Oracle Linux
Observability
Linux Servers
Cyber Security
Systems Design
CompTIA Cloud+
Virtualization
System Testing
Risk Management
Authentications
Microsoft Azure
Cloud Migration
Server Patching
Network Storage
Ancient History
Computer Science
Containerization
System Lifecycle
Virtual Desktops
Security Testing
Technical Issues
Security Controls
Operating Systems
Agile Methodology
Docker (Software)
Change Management
Microsoft Windows
CompTIA Security+
Disaster Recovery
Red Hat Satellite
Windows PowerShell
Technical Analysis
Root Cause Analysis
Systems Engineering
Systems Integration
Amazon Web Services
System Requirements
Engineering Support
GIAC Certifications
Functional Analysis
Security Engineering
Computer Engineering
Lifecycle Management
Performance Analysis
CompTIA Security+ CE
Information Assurance
Requirements Analysis
VMware Infrastructure
Server Infrastructure
Information Technology
Hybrid Cloud Computing
Technical Requirements
Technical Communication
Configuration Management
Red Hat Enterprise Linux
Open Source Intelligence
Authorization (Computing)
Engineering Documentation
Ubuntu (Operating System)
Infrastructure Automation
Engineering Design Process
VMware Certified Associate
Backup and Recovery System
Verification And Validation
Infrastructure Architecture
Infrastructure as Code (IaC)
System Level Troubleshooting
Python (Programming Language)
Continuous Improvement Process
Identity And Access Management
Technical Procedure Compliance
Troubleshooting (Problem Solving)
Intrusion Detection And Prevention
VMware Certified Professional (VCP)
Chef (Configuration Management Tool)
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
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)
+0

Google IT Automation with Python
Linux System Administrator
Leidos

Alexandria, VA*On-Site

Linux
Triage
CentOS
Writing
Ansible
Teamwork
Equities
PowerCLI
Scripting
Operations
Management
Automation
Innovation
Unix Shell
ServiceNow
Market Data
Prioritization
Issue Tracking
CompTIA Linux+
Detail Oriented
Windows Servers
Data Collection
Remedial Action
Server Patching
Virtual Desktops
Operating Systems
Technical Support
Microsoft Windows
CompTIA Security+
Microsoft Servers
Customer Inquiries
Windows PowerShell
Root Cause Analysis
Process Improvement
Amazon Web Services
GIAC Certifications
Azure Cloud Services
Linux Administration
IT Service Management
System Administration
VMware Virtualization
Red Hat Enterprise Linux
Ubuntu (Operating System)
IAT Level II Certification
VMware Certified Associate
Troubleshooting (Problem Solving)
Software Configuration Management
VMware Certified Professional (VCP)
Chef (Configuration Management Tool)
Apple Certified Support Professional
Puppet (Configuration Management Tool)
Systems Security Certified Practitioner
GIAC Security Essentials Certification (GSEC)
Cisco Certified Network Associate Security (CCNA Security)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)
+0
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