580 linux system administrator jobs at 195 companies in Arlington, MD
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Linux System Administrator
Annapolis Junction or Columbia
$101k-$129k/yrOnsiteFull Time
Intelliforce: Provides engineering and technical solutions for the intelligence community.
5+ YOETop Secret clearance with polygraph; US citizenship; 5+ years Linux system administration; IAT Level 1; on-call required; Bachelor's not required.
Linux, Bulk data transport, Messaging, Data flow administration
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEU.S. citizenship required; minimum 7 years Linux system administration experience; experience with DISA STIGs/CIS Benchmarks, security hardening, vulnerability remediation, LDAP/PAM/ICAM, and Linux logging/monitoring. FEMA/DHS suitability preferred.
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
3+ YOEBachelor's degree or equivalent experience; 3+ years Linux administration, 2+ years log analysis, auditing, network administration, and monitoring; active Secret clearance with willingness to obtain Top Secret.
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
3+ YOE3+ years of hands-on Linux administration (RHEL/CentOS or similar), IBM Enterprise Storage, Veritas NetBackup, Nessus, YUM, system hardening, patching, scripting.
IBM Enterprise Storage, Veritas NetBackup, Nessus, YUM, NSF security frameworks
Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.
3+ YOE3+ years Linux, endpoint, and VMware administration; CKA certification; US citizenship with active Secret clearance; HS diploma required; scripting and cloud-native experience preferred.
Red Hat Enterprise Linux, RHEL, Ubuntu, VMware vSphere, vCenter, ESXi, Kubernetes, Cloud Native Computing Foundation (CNCF), Bash, Python, Terraform, Ansible, Splunk, Elasticsearch, GitLab, GitHub, Bitbucket
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)
ManTech: Provides technology solutions for defense and intelligence agencies.
20+ YOEBachelor's in a technical discipline, 20 years systems administration experience, proficiency with Red Hat Linux, VMware, automation tools (Splunk/Ansible), and required DoD IAT I certification; TS/SCI w/ Poly required.
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEU.S. citizenship required; minimum 7 years Linux system administration experience (MA + 7 years referenced); expertise with DISA STIGs/CIS Benchmarks, security hardening, patching, LDAP/PAM, identity management, and monitoring.
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
7+ YOEBachelor's in CS/IT or equivalent, 7+ years Linux systems administration in secure/complex environments, DoD 8570 cert (Security+, CASP, CISSP) or ability to obtain, Interim Secret clearance and ability to obtain Top-Secret, RMF/NIST experience, Linux (RHEL/Ubuntu) proficiency, scripting experience.
RHEL5, RHEL6, RHEL7, RHEL8, RHEL9, Ubuntu, Concurrent, Linux, GitLab, MATLAB, RMF, NIST, Microsoft Windows
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
Manage and secure enterprise Linux environments; strong Linux administration, Bash/Python scripting, monitoring, networking, and security skills. TS/SCI w/ Polygraph required; U.S. citizenship required.
Set of X: Provides specialized engineering services for U.S. national security missions.
9+ YOERequires 9 years system administration experience, expertise with RHEL/CentOS/UNIX, NiFi, VMware, Ansible, system hardening (STIGs/CIS), installation/patching/backup, and TS/SCI clearance with polygraph.
5+ YOEBachelor's or equivalent experience, 5+ years Linux/system administration experience, DoD 8570 certification (Security+), OS certification (Linux+/RedHat), ability to obtain Top Secret clearance, scripting and automation experience.
Ansible, Puppet, Python, Apache, Zabbix, Red Hat Satellite, Red Hat Identity Manager, BIND, OpenID, LDAP, Kerberos
DarkStar Intelligence: A mission-focused provider of intelligence, cybersecurity, technology, and operational support for government customers.
10+ YOEActive TS/SCI with polygraph, 10 years of systems administration experience, 5 years of Red Hat Linux, scripting, VMware, and technical troubleshooting experience; bachelor's degree or equivalent experience required.
UNIX, Windows, Red Hat Linux (RHEL), NIFI, YUM, RPM, Bash, Perl, Puppet, VMware, VMotion
American Systems: Providing strategic engineering and IT solutions for government programs.
3+ YOEBachelor’s degree in computer science or related field, 3+ years as a Linux/UNIX systems administrator, DoD Secret or Top Secret clearance, and CompTIA Security+ certification.
Bespoke Technologies: Provides technical engineering and data solutions for national security.
10+ YOERequires 10+ years as a Linux systems administrator/engineer, CentOS/RHEL, Kubernetes, Bash, Security+ certification, and TS/SCI poly clearance; Red Hat certification desired.
EverWatch: Develops software and intelligence systems for government agencies.
10+ YOE10+ years with a bachelor's degree or 12+ years with a high school diploma/GED administering Linux systems; TS/SCI with polygraph, IAT II/III certification, and Linux security and automation experience required.
Staff Linux System Administrator, TS/SCI / Onsite: CO
Littleton or Denver or Bethesda
$118k-$219k/yrOnsiteFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
5+ YOERequires active TS/SCI clearance, U.S. citizenship, DoD 8572 certification, 5+ years administering Red Hat Enterprise Linux, scripting, security hardening, troubleshooting, and vulnerability remediation experience.
Red Hat Enterprise Linux, Ansible, Python, Bash, PowerShell, DISA STIGs, Nessus, Trellix, Splunk, ACAS, SCAP, NetApp