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742 linux administrator jobs at 248 companies in Frederick, MD

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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
2mo
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Linux Administrator
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
15+ YOEBachelor's or equivalent, 15 years' Linux/systems administration experience, Top Secret/SCI polygraph eligible, expertise with RHEL/Solaris, networking (DNS/LDAP/SSH), clustering/HA, scripting, AWS/C2S, and virtualization/container technologies.
UNIX, RHEL, Solaris, DNS, LDAP, SSH, SCP, AWS, C2S, VMware, Kvm/qemu, VirtualBox, RHEV-M, Docker, Kubernetes, Citrix, VMware ESXi, PKI, SAN, NAS
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2mo
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Linux Administrator
Laurel, Maryland, United States
OnsiteFull Time
DAn Solutions
DAn Solutions: Provides IT systems integration, cybersecurity, and cloud engineering services.
Active TS/SCI with FS polygraph; onsite work; Linux administration; scripting; AWS knowledge; team coordination.
Bash, Python, Puppet, Ansible, AWS, AWS EC2 Auto Scaling, aws-cli, boto3
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2mo
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Linux Administrator
Glen Burnie, Maryland, United States
$80k-$100k/yr OnsiteFull Time
Skyline Technology Solutions
Skyline Technology Solutions: Provides IT infrastructure, network engineering, and physical security solutions.
3+ YOE3–5 years Linux system administration; production experience with RHEL/CentOS/Ubuntu; RHCSA or pursuing; Ansible; scripting; container basics; monitoring and CI/CD familiarity.
Ansible, AWX, OpenNMS, Grafana, Grafana Cloud, Docker, Kubernetes, Git, Bash, Python, CI/CD, Podman
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3mo
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Senior Linux Administrator
Hanover, Maryland, United States
$180k-$235k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
9+ YOE9+ years Linux administration, bash scripting, Python/Perl, Red Hat/CentOS, virtualization, security/compliance, TS/SCI with Poly.
Linux, Red Hat/CentOS, Puppet, Kubernetes, Docker, Bash, Python, Perl, HTML
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4w
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Senior Linux Administrator
Arlington, Virginia, United States
$100k-$120k/yr OnsiteContract
Argo Cyber Systems
Argo Cyber Systems: Provides managed cybersecurity and incident response services to organizations.
5+ YOEActive Top Secret/SCI clearance and DHS suitability required; 5+ years Linux systems administration experience; Bachelor's in related field or equivalent experience; strong RHEL, scripting (Bash, Perl, Python), container and automation skills; MacOS/iOS experience and strong communication skills.
Red Hat Enterprise Linux (RHEL), RHEL6, RHEL7, Bash, Perl, Python, Red Hat OpenShift, Red Hat Ansible, Red Hat Ansible Tower, Red Hat Satellite, Docker, Kubernetes, Podman, Apache, Tomcat, NGINX, Satellite Server, Nagios, Kerberos, LDAP, SSL, IDM, FreeIPA, Sourcefire, Puppet, Windows, macOS, Linux, Unix, Splunk, Databricks, SAFe
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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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1mo
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Linux System Administrator
National Harbor, Maryland, United States
$104k-$218k/yr OnsiteFull Time
CACI International
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.
Linux, DISA STIGs, CIS Benchmarks, LDAP, PAM, ICAM, bash, python, Ansible, Puppet, Chef, AWS, Azure
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1mo
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Linux System Administrator
Annapolis Junction or Columbia
$101k-$129k/yr OnsiteFull Time
Intelliforce
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
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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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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 System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
CDIT
CDIT: Provides IT, software development, and cybersecurity for government agencies.
3+ YOEExperienced Linux administrator with storage, backup, security, and patching expertise in enterprise environments.
IBM Enterprise Storage, Veritas NetBackup, Nessus, YUM, Bash, Python
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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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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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3w
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Platform / Linux System Administrator
Annapolis Junction, Maryland, United States
$125k-$240k/yr OnsiteFull Time
Synergy ECP
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.
Linux, Bash, Python
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1mo
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Linux System Administrator
Annapolis Junction, Maryland, United States
$130k-$150k/yr OnsiteFull Time
Red Arch Solutions
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
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1mo
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Linux Systems Administrator
Fort Meade, Maryland, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: A government contractor providing IT and security services.
Bachelor's degree in Computer Science or related field; proven Linux systems administration experience; strong RHEL knowledge; scripting in Ruby/Python/Bash; familiarity with Rancher, Ansible, ElasticSearch, Redis, Solr, Data Flow, Docker, Kubernetes; excellent troubleshooting; team player; TS/SCI with Full Scope Poly clearance (will sponsor for ca...
Linux, RHEL, Docker, Kubernetes, Ansible, Rancher, ElasticSearch, Redis, Solr, Data Flow, Ruby, Python, Bash
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3mo
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Linux Systems Administrator
Silver Spring, Maryland, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
3+ YOEActive TS/SCI clearance; 3-5+ years Linux admin in classified settings; BS/BA with 5 years or MS/MA with 3 years; Proficient with Linux (Ubuntu, RedHat); automation scripting (Bash/Python); DoD/RMF/STIG knowledge.
Bash, Python, Ansible, Puppet, Chef, Nessus, STIGs, RMF, RHEL, Ubuntu, CentOS, DNS, DHCP, NFS
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1w
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Linux Systems Administrator-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
11+ YOETS/SCI with polygraph, extensive enterprise Linux administration, network and infrastructure design, RMF and security compliance experience, plus experience with NGINX and infrastructure automation.
Linux, NGINX, Docker, MongoDB, Elasticsearch, Ansible, GitLab, Red Hat Satellite
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1w
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Linux System Administrator
Chantilly or McLean
$120k-$160k/yr OnsiteFull Time
Altamira Technologies
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)
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