317 linux systems administrator jobs at 124 companies in Virginia
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Linux Systems Administrator
Chantilly or McLean
$90k-$190k/yrOnsiteFull Time
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOEActive TS/SCI with Polygraph, Bachelor's or equivalent, 3+ years relevant experience, PeopleSoft and extensive Linux administration experience; AWS, RHEL/CentOS, Ansible, BASH/JSON/Python skills desired.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEActive TS/SCI with Polygraph, Bachelor's degree or equivalent, minimum 3 years relevant experience, PeopleSoft and extensive Linux administration experience; AWS, RHEL/CentOS, Ansible, Bash/JSON/Python desired.
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEHS/GED with 2+ years Linux systems experience in large, complex environments; experience with Centrify, LDAP, Active Directory, shell scripting; Ansible preferred; strong documentation and communication; active TS/SCI with polygraph required.
Linux, Centrify, LDAP, Active Directory, shell scripting, Ansible
EverWatch: Develops software and intelligence systems for government agencies.
10+ YOETS/SCI with polygraph required. Experience administering RHEL8/9 and Linux workstations, system hardening/patching, GitLab and Ansible playbooks, PKI, and DoD 8570 IAT II/III; bachelor's+10yrs or HS+12yrs experience.
Peraton: National security and mission-critical government technology services provider.
5+ YOEActive U.S. citizenship and Secret clearance, 5+ years in large multi-site Linux administration, proficiency with RHEL/Oracle Linux, automation (Ansible/AAP/Puppet), troubleshooting, and security remediation.
Tallahassee or Georgia or Kansas or Kentucky or Missouri or North Carolina or New Jersey or New York or South Carolina or Tennessee or Texas or Utah or Virginia
HybridFull Time
Diverse Computing: Develops software for law enforcement and public safety agencies.
5+ YOERequires 5+ years of Linux or IT systems administration experience, RHEL/CentOS expertise, Ansible and Bash proficiency, and knowledge of virtualization, SQL, monitoring, networking, and cloud services. Bachelor's degree and RHCSA preferred.
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOEU.S. citizen with active Secret clearance; 5+ years in large multi-site production Linux environments; strong RHEL/Oracle Linux, automation, Ansible, troubleshooting, and CVE mitigation experience.
The Tatitlek Corporation: Provider of government contracting, facility maintenance, and technology services.
6+ YOE6+ years system administration experience with UNIX/Linux/Windows, DoD Secret clearance, IAT Level 2 and OS certification, ability to install/configure/maintain systems, create documentation, and perform backups.
UNIX, Linux, Windows, Redhat, Solaris, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP, WSUS, GPO, Windows Server, Windows Workstation
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Active TS/SCI with polygraph, technical bachelor's degree, hands-on AWS, Kubernetes, CI/CD and Linux experience; ability to build CI/CD pipelines, automate deployments, and operate in secure, collaborative environments.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEAbility to obtain Top Secret clearance; Bachelor's degree (or equivalent) with 4+ years experience; RHEL 7/8 administration, PostgreSQL, Bash scripting, Apache/Tomcat, PKI/SSL, DoD STIGs/RMF, DoD 8570 IAT II (Security+), OS certification (Linux+).
Astrion: Provides engineering, cybersecurity, and mission support services.
6+ YOE6+ years Unix/Linux system administration experience including backup/recovery, hardware/software installation, security management, TCP/IP networking, and troubleshooting; must meet IAT III/T5 requirements.
Astrion: Provide engineering and mission support services to federal government agencies.
6+ YOE6+ years Unix/Linux system administration experience; backup/recovery, security management, hardware/software installation, TCP/IP and firewall knowledge; IAT III designation with T5; Top Secret clearance required.
American Systems: Providing engineering and IT solutions to federal government agencies.
8+ YOEActive Top Secret/SCI clearance, 8+ years IT systems administration with 3–5 years Linux, DoD 8140 IAT Level II (e.g., Security+ CE), experience with STIGs/RMF, containerization, automation, virtualization, and strong Bash skills.
Veilant: Protecting operations, personnel, and data from emerging surveillance threats.
Active Secret security clearance, NOC/IT operations experience, Linux (Ubuntu/CentOS) exposure, monitoring and incident triage experience, strong communication and critical thinking.
Zabbix, Splunk, Element Messenger, Confluence, RHEL, CentOS, Ubuntu, VMware, Proxmox, KVM, Android MDM, Ansible, GitLab, AWX, Microsoft Server, Linux
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOEActive TS/SCI clearance with eligibility for CI Polygraph, 5+ years Linux systems engineering experience, Nutanix AHV administration, Ansible automation, and scripting (Bash/Python).
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Experienced Linux system administrator for CDS sustainment: virtualization, Ansible automation, Git, Docker, Python/Bash scripting, SNMP/monitoring, patching, incident response; TS/SCI with CI poly required.
Red Hat Linux 7/8/9, Ansible, Git, Docker, Python, Bash, VMWare ESXi, ProxMox, SNMP, Cross Domain Solution (CDS)
Watershed Security: Specialized cybersecurity and information technology solutions for government agencies.
3+ YOE3+ years UNIX/Linux administration experience; system backup/recovery, software/hardware installation, security and library management, TCP/IP and network security tools, sizing/performance/tuning, troubleshooting; active DoD Top Secret and IAT II designation required.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years administering RHEL7/8 systems, Linux system administration, automation with Ansible/Puppet/Chef, scripting (Bash, Ruby, Python, Perl), STIG/STIG Manager experience, DoD 8570 IAT Level II (Security+), active Secret clearance.
Linux, Red Hat Enterprise Linux (RHEL), Ansible, Puppet, Chef, Bash, Ruby, Python, Perl, PowerShell, STIG Manager, NFS, CIFS, SMB