168 linux system administrator jobs at 67 companies in Winchester, VA
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Linux System Administrator
Chantilly or McLean
$120k-$160k/yrOnsiteFull Time
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)
OneZero Solutions: Provides cybersecurity and IT services to federal government agencies.
5+ YOE5+ years Linux administration (RHEL) in enterprise environments, VMware vSphere, Ansible, scripting (Bash/Python), CompTIA Security+, experience with system hardening, patching, and federal compliance (DISA STIGs); Secret clearance required.
Red Hat Enterprise Linux (RHEL), VMware vSphere (ESXi/vCenter), BMC TrueSight Server Automation (TSSA), Ansible, DISA STIGs, Bash, Python, Docker, Kubernetes
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOEBachelor's degree and 7+ years enterprise Linux infrastructure experience (OracleLinux). Experience with scripting (Shell, Perl, Python, Go), DevOps, AWS, DISA STIGs/SRGs, CloudWatch/SNS monitoring. Must obtain CompTIA Security+ and AWS SysOps certifications; U.S. citizenship and Public Trust/Tier 3 suitability required.
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.
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.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux administration, virtualization, networking/security, backup and DR, scripting (PowerShell/Bash/Python), Top Secret clearance, HS diploma/GED.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux, virtualization, scripting (PowerShell/Bash/Python), backup/disaster recovery, and Top Secret clearance.
GovCIO: Provides technology and mission support services to federal agencies.
5+ YOEHigh school education and 5+ years administering RHEL systems, with DoD 8570 IAT II and Linux certifications, VMware, Ansible, patching, DISA STIG, Bash or Python experience, and active Secret clearance.
Red Hat Enterprise Linux (RHEL), VMware vSphere, ESXi, vCenter, Ansible, YAML, BMC True Sight Server Automation (TSSA), DISA STIG, Bash, Python, OpenShift, Docker, Kubernetes, AWS, Azure
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.
SMS Data Products Group: Provides IT infrastructure modernization and cybersecurity for federal agencies.
4+ YOEExperience administering Red Hat Enterprise Linux, automation with shell/Ansible, virtualization, security hardening/STIGs, log analysis, and strong troubleshooting; requires DoD Top Secret/SCI and DoD 8570 IAT II/III certification.
Red Hat Enterprise Linux, Red Hat Satellite, Ansible, Ansible Tower, Unix shell, Bash, Python, Kubernetes, Open Shift, Containers, GitHub, Apache Hadoop, Zookeeper, Puppet, JBoss, Tomcat, Jetty, NGINX, VMware, KVM, DoD STIGs
System Administrator (Active Clearance), Intelligence Systems
Reston, Virginia, United States
$112k-$149k/yrOnsiteFull Time
Anduril Industries: Defense technology building autonomous military hardware and software.
Experience administering Windows and Linux systems, maintaining classified hardware, virtualization (VMware, KVM, Hyper-V), scripting (PowerShell, Bash), Active Directory/Group Policy, and ability to work onsite in Northern Virginia with an active Top Secret/SCI clearance and full scope polygraph.
Linux, RedHat, CentOS, Debian, Windows, Active Directory, Group Policy, PowerShell, Bash, VMware, KVM, Hyper-V
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.
Penn State University: Provides higher education and conducts extensive academic research programs.
3+ YOEInstall, configure, and support Linux (Red Hat) systems, Ansible scripting, GitLab pipelines, Kubernetes, troubleshoot servers/A/V, eligible for Secret clearance; Bachelor's degree and 3+ years relevant experience.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEBachelor's in IT/CS, 8+ years Linux systems administration, deep Linux proficiency (Red Hat/CentOS/Ubuntu), scripting (Bash/Python/Perl), config management (Ansible/Puppet/Chef), virtualization/cloud (VMware/KVM/Hyper-V, AWS/Azure), automation, networking knowledge, US citizenship, DOE Q or TS clearance required.
Automation Tools, Linux, Red Hat, CentOS, Ubuntu, Bash, Python, Perl, Ansible, Puppet, Chef, VMware, KVM, Hyper-V, AWS, Azure, Docker, Kubernetes, DISA STIGs, NIST, CIS benchmarks
Linux Systems Administrator - HPC (TS/SCI Clearance Required)
Alexandria or Chantilly or Springfield or Saint Louis
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance, strong Linux/RHEL administration, HPC cluster (Slurm/MPI) experience, STIG/IAVA remediation, VM backup experience, scripting for automation, and DoD 8570-compliant certification (e.g., Security+).
Ardent Principles: Provides specialized technology and program management services to government agencies.
Active TS/SCI with full scope polygraph; expert systems administration experience with Linux and Windows server-client environments, cloud data centers, cyber operations, global networks, and worldwide travel.