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1,976 linux systems administrator jobs at 880 companies in United States

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Linux Systems Administrator
Melbourne, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Provides IT and systems management support.
3+ YOE3+ years Linux system administration; strong Linux, scripting, and security practices; virtualization experience; Ansible/Puppet/Chef a plus.
Linux, VMware, KVM, Shell scripting, Python, Perl, Ansible, Puppet, Chef
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21h
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Linux Systems Administrator
Hurlburt Field, Florida, United States
OnsiteFull Time
Chenega IT Enterprise Services
Chenega IT Enterprise Services: Provides professional IT and mission support services to government agencies.
3+ YOE3+ years Linux systems administration experience, DoD IAT Level II, Linux certification (CompTIA Linux+/LPIC/RHCSA), Top Secret clearance, Bash/Python scripting, virtualization/cloud and STIG implementation experience.
Bash, Python, Microsoft Office, VMware, Hyper-V, Microsoft Azure, Amazon Web Services (AWS), Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS
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1mo
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Linux Systems Administrator
Frederick, Maryland, United States
$90k-$100k/yr OnsiteFull Time
Dexian Government Solutions
Dexian Government Solutions: Provides diversified IT and engineering solutions to government agencies.
5+ YOE5+ years Linux system administration; Active Secret clearance; Security+ or equivalent; virtualization; AD; networking; on-site support.
Linux, VMware, KVM, STIG, Trellix/McAfee, Veeam, Dell Isilon, OneFS, ECS, Unity, Data Domain, Bright Cluster Manager, SLURM, PBS, Lustre, GPFS, HPC tools, iDRAC, NIPR, RSN
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1w
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Linux Systems Administrator
Laurel, Maryland, United States
$170k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
10+ YOE10+ years as a systems administrator, strong Linux administration, scripting/automation (Bash, Python, Puppet, Ansible), DoD 8570 IAT Level II certification (SEC+, CCNA), active TS/SCI with FSP, bachelor’s degree or equivalent experience.
Linux, Bash, Python, Puppet, Ansible, AWS, EC2 Auto Scaling
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2mo
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Linux Systems Administrator
United States
$115k-$155k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOE5+ years Linux/RedHat systems administration; DoD 8140/8570 cert; TS/SCI clearance; US citizenship; on-site at MacDill AFB; experience with RHEL/CentOS, Apache/Nginx, DNS/DHCP/LDAP.
Linux, Red Hat Enterprise Linux (RHEL), CentOS, Apache, Nginx, DNS, DHCP, LDAP
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2w
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Linux Systems Administrator
Chantilly, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Experience in Linux system administration, patching, cloud (AWS), automation and tooling (Jenkins, Packer, Git, Docker, Kubernetes), TS/SCI with polygraph required, HS diploma/GED, ability to obtain listed security certifications within 6 months.
AWS, Jenkins, Packer, Git, Docker, Kubernetes, Nessus, Jira, Confluence, RHEL, Linux
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2mo
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Linux Systems Administrator
Fort Meade, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOE10+ years systems administration experience with extensive Linux administration; experience with Ansible, VMware, SAN, NiFi, identity management; bachelor's in technical field (or associate plus more experience) required.
Ansible, NiFi, Keycloak, VMware, SAN, Docker, Kubernetes, SaltStack, Puppet, Python, Bash, Perl, TCP/IP, UDP, HTTP, DHCP, DNS, Active Directory
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3mo
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Linux Systems Administrator
Silver Spring, Maryland, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOEActive TS w/ SCI eligibility; 5 years with BS/BA or 3 years with MS/MA in CS/IT or related field; 3-5+ years Linux administration in secure environments; Linux proficiency (Ubuntu, RedHat); DoD/Intelligence security standards (STIGs, RMF).
Linux, Bash, Python, Tenable Nessus, Ansible, Puppet, Chef, RHEL, CentOS, Ubuntu, STIGs, RMF
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2w
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Linux Systems Administrator
Puebla or United States or Europe
OnsiteFull Time
FORVIA
FORVIAEuronext Paris: FRVIA: Designs and manufactures automotive systems and technologies.
5+ YOEBachelor's in information technologies, 5+ years experience, Linux and VMware administration, LVM, Git, Red Hat Satellite, Cisco UCS, Puppet, Kubernetes, SUSE/Ubuntu/Rocky Linux; participate in follow-the-sun support, weekend maintenance and on-call rotation; 10-15% global travel.
VMware, Logical Volume Management, Git, Red Hat Satellite, Cisco UCS, Puppet, Kubernetes, SUSE, Ubuntu, Rocky Linux, SAP, Microsoft Teams
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3w
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Linux Systems Administrator
Chantilly or McLean
$90k-$190k/yr OnsiteFull Time
CACI
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.
PeopleSoft, Oracle, Linux, AWS, RHEL, CentOS, Ansible Playbooks, BASH, JSON, Python
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3w
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Linux Systems Administrator
Chantilly or McLean
$90k-$190k/yr OnsiteFull Time
CACI International
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.
PeopleSoft, Linux, Oracle, AWS, RHEL, CentOS, Ansible Playbooks, BASH, JSON, Python
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1mo
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Linux Systems Administrator
Annapolis Junction, Maryland, United States
$87-$111/hr OnsiteFull Time
EverWatch
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
10+ YOEExperience administering RHEL/CentOS Linux systems, system hardening and patching, updating/testing system changes, GitLab and Ansible (playbooks), PKI knowledge, DoD 8570 IAT II/III (e.g., Security+), TS/SCI with polygraph, Bachelor's +10 yrs or HS +12 yrs, willingness to travel 25-30%.
Linux, CentOS, RHEL, RHEL subscription manager, GitLab, Ansible, Nagios, Jira, PKI, Firewalls
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2mo
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Linux Systems Administrator
MacDill AFB, Florida, United States
$115k-$155k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOE5+ years Linux/RedHat administration; DoD 8140/8570 certification; TS/SCI eligible; US citizenship; on-site required; strong Linux, security hardening, documentation skills.
Red Hat Enterprise Linux, CentOS, Apache, Nginx, DNS, DHCP, LDAP
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3w
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Linux Systems Administrator
Basking Ridge, New Jersey, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOETop Secret-eligible US citizen with 5+ years Linux administration, RHEL/Ubuntu experience, Ansible/Terraform automation, Bash/Python scripting, virtualization (VMware/KVM/Proxmox), Zabbix/Nautobot monitoring, and compliance with NIST/STIG/RMF.
RHEL, Rocky, Ubuntu, Ansible, Terraform, Bash, Python, VMware, KVM, Proxmox, Zabbix, Nautobot, Docker, Podman, Singularity, NIST 800-171, STIGs, RMF, CI/CD
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3mo
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Linux Systems Administrator
San Jose, California, United States
$135k-$194k/yr OnsiteFull Time
Bloom Energy
Bloom EnergyNYSE: BE: Manufactures solid oxide fuel cell systems for onsite power.
5+ YOE5+ years managing production Linux (CentOS/RedHat); strong Linux skills, security, automation; VMware and Nagios experience; scripting in Shell, Python, Perl, or PHP.
Linux, Nagios, VMware, Docker, Git, Shell scripting, Python, Perl, PHP, Active Directory
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21h
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Linux Systems Administrator
Dahlgren, Virginia, United States
$100k-$115k/yr OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
4+ YOE4-5 years Linux systems administration experience, HS diploma (Bachelor's preferred), HP/Dell hardware experience, IAT Level II or DoD 8570/8140 compliance, current Secret clearance and eligibility for Top Secret, willing to travel 10-25%.
PTP, iRIG, Kickstart, Bash, UDEV, NMCLI, GDM, Jira, HP, Dell
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2mo
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Senior Linux Systems Administrator
Chandler or Leesburg
HybridFull Time
Iridium
IridiumNASDAQ: IRDM: Provides global voice and data satellite communication services.
8+ YOESenior Linux Systems Administrator with 8+ years IT/Cyber Security experience; strong Linux administration, virtualization, and security patching; prior government/contract experience preferred.
Linux, Vmware, vCenter, NetApp, ESXi, Cisco routers and switches, Databases, STIGs, Backup systems
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3w
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Jr. Linux Systems Administrator
Philippines or United States
RemoteFull Time
WRS Health
WRS Health: Cloud-based software and management services for medical practices.
3+ YOE3+ years system administration experience managing Debian-based Linux, AWS cloud infrastructure, automation (Ansible/Terraform/AWS CDK), scripting (Bash/Python), monitoring (Prometheus/Grafana/CloudWatch), containerization, and Git-based workflows.
Linux, Debian, AWS, EC2, IAM, VPC, RDS, S3, CloudWatch, Ansible, Terraform, AWS CDK, Bash, Python, Prometheus, Grafana, Docker, ECS, EKS, Fargate, Git, GitLab CI, Jenkins, GitHub Actions, DNS
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2d
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Senior Linux Systems Administrator
Lexington, Massachusetts, United States
$115k-$152k/yr OnsiteFull Time
MIT Lincoln Laboratory
MIT Lincoln Laboratory: Building advanced technology prototypes for national security.
6+ YOEBS plus 6+ years Linux systems administration, experience with Ubuntu/RHEL, DISA STIGs and RMF, scripting (Bash/Python), automation (Ansible/Salt/Puppet), directory services and classified environment experience; ability to obtain DoD clearance.
Ubuntu, RHEL, Bash, Python, Ansible, Salt, Puppet, syslog, LDAP, Kerberos, SSSD, Active Directory, DNS, DHCP, NFS, SSH, Samba, RMF, DISA STIGs
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2w
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Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT)
Redondo Beach, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOELinux system administration (Red Hat), OS/hardware/network troubleshooting, RPM/package management, shell scripting, ability to obtain DoD Secret clearance, bachelors in CS or equivalent experience (5+ years).
Linux, Red Hat, RPM, VMware, shell scripting
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