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563 linux system administrator jobs at 187 companies in Frederick, MD

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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 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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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
Washington, District of Columbia, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOEBachelor's or equivalent with 6+ years related experience, IAT II (DoD 8570), ability to obtain Top Secret clearance, Linux system administration, DISA STIG hardening, Ansible, Docker, Git/GitLab, SELinux, VMWARE, TCP/IP.
Linux, AIDE, SELINUX, fapolicyd, Apache Proxy, LVM, Ansible, Java, Tomcat, TomcatEE, Glassfish, Docker, Docker compose, K8, Openshift, NFS, CIFS, Gitlab, Git, Gitlab workers, Gitlab pipelines, VMWARE, Oracle, MySQL, ACAS, DISA STIGs, TCP/IP
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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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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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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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1mo
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Linux System Administrator
Kearneysville, West Virginia, United States
RemoteFull Time
OneZero Solutions
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
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1mo
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Linux System Administrator
National Harbor or Washington
$104k-$218k/yr OnsiteFull Time
CACI
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.
DISA STIGs, CIS Benchmarks, LDAP, PAM, bash, Python, Ansible, Puppet, Chef, AWS, Azure, ICAM
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3mo
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Linux System Administrator
Fort Meade, Maryland, United States
$85k-$142k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
5+ YOE5+ years systems administration experience, strong command-line Linux (Redhat/Rocky 8), VMWare/vSphere provisioning, Bash scripting, familiarity with security tools (NESSUS, McAfee agents), and active TS/SCI with Poly required.
Redhat, Rocky 8, Bash, PUTTY, VMWare, vSphere, ESXi, vCenter, NESSUS, MacAfee Agents, SALT, PKI, IAVAs
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3w
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Senior Linux System Administrator
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
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
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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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3w
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Linux System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
3+ YOEActive TS/SCI with Polygraph, Bachelor\u0002s in CS/IT or equivalent, 3+ years Linux (RHEL/CentOS) administration, IBM storage, Veritas NetBackup, Nessus, YUM, scripting (Bash/Python), security hardening experience.
Red Hat Enterprise Linux (RHEL), CentOS, IBM Enterprise Storage, Veritas NetBackup, YUM, Nessus, Bash, Python, Ansible, Puppet, STE/STIN, NSF
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3w
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Linux System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
9+ YOE9 years system administration experience; extensive RHEL/CentOS/UNIX, NiFi, VMWare, Ansible, system hardening (STIG/CIS); proficiency installing/patching/backing up Linux systems; TS/SCI with polygraph required.
RedHat (RHEL), CentOs Linux, UNIX, NiFi, VMWare, ESX, NSX, VSAN, KVM, Nutanix, Ansible, STIGS, CIS, Windows Server, Docker, Kubernetes, AWS, Active Directory, FreeIPA, nginx, HAProxy, Python, Git, GitLab
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2mo
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Senior Linux System Administrator
Ft. Meade, Maryland, United States
OnsiteFull Time
SilverEdge Government Solutions
SilverEdge Government Solutions: Provides cybersecurity and software solutions for national security missions.
10+ YOEBachelor's degree; 10+ years Linux admin/engineering; experience with JBoss, VMware, and RH Ansible.
JBoss, VMware, Ansible
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2w
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Sr. Linux System Administrator/System Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Columbia Technology Partners
Columbia Technology Partners: Provides IT, cybersecurity, and management consulting to government agencies.
U.S. citizenship required; active security clearance with appropriate polygraph required. DOD 8570 certification required. Role targets experienced Linux system administrators/engineers supporting sensitive government missions.
Linux
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3mo
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RedHat Linux System Administrator (Levels I - IV)
Annapolis Junction, Maryland, United States
$120k-$185k/yr OnsiteFull Time
JASINT
JASINT: Providing cybersecurity and technical services for national security missions.
1+ YOEActive TS/SCI with Poly, RHCE, high school or GED, 1+ years IT experience with 1+ years RHEL administration (levels vary), ability to configure, operate, and maintain Red Hat Enterprise Linux systems.
Red Hat Enterprise Linux
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3mo
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Windows / Linux System Administrator - United States
Annapolis Junction, Maryland, United States
OnsiteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
7+ YOEManage and support enterprise telephony systems; Windows/Linux servers; security patches; on-call; 7+ years telephony experience; US citizenship; active Secret clearance.
Windows Server, Linux Server, VMware ESXi, VMware vCenter, Avaya, Call recording, Active Directory, DNS, DHCP, LDAP, IIS, PowerShell, Group Policy
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4w
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SA054 Junior Linux System Administrator
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
Hands-on hardware experience, ability to lift 50 lbs, perform RMA, use technician tools, troubleshoot hardware, work with minimal supervision, US citizenship required, and ability to obtain/maintain a NASA Tier 1 Investigation.
Ubuntu, CentOS
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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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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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