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569 linux systems administrator jobs at 187 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
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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2w
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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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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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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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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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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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1mo
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Linux Systems Administrator
Annapolis Junction, Maryland, United States
$149k-$201k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOE10+ years of related experience; strong Linux/Windows, scripting, virtualization, AD/GP; networking; TS/SCI w/ Poly; US Citizenship; onsite work.
Linux, Windows, Scripting (Bash, PowerShell), Active Directory, Group Policy, TCP/IP, DNS, DHCP, VMware, KVM, Docker, Hyper-V, Zabbix, ELK, Splunk
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1mo
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Linux Systems Administrator
Annapolis Junction, Maryland, United States
$149k-$201k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOE10+ years of related experience; TS/SCI w/ Poly; Linux and Windows; scripting; virtualization; AD/Group Policy; networking; monitoring/logging; security best practices.
Linux, Windows, Active Directory, Group Policy, Bash, PowerShell, VMware, KVM, Docker, Hyper-V, Splunk, Zabbix, ELK
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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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3mo
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Senior Linux Systems Administrator
Washington, District of Columbia, United States
$140k-$165k/yr HybridFull Time
Computational Physics, Inc.
Computational Physics, Inc.: Provides scientific R&D, sensor hardware, and remote sensing software.
7+ YOE7+ years Linux system administration; RHEL, STIGs, virtualization, monitoring, authentication, logging, CM tools; DoD cybersecurity knowledge; TS clearance.
RHEL, STIG, ACAS, VMware, SolarWinds, AIDE, Active Directory, Centrify, FreeIPA/IdM, Trellix/McAfee, Microsoft Defender for Endpoint, rsyslog, SIEM, Ansible, Puppet, RMF, STIG checklists, Git, Podman, Docker, Firewalld, nftables, Prometheus, Grafana, ELK, LVM, XFS, NFS, multipath, Red Hat Satellite, Git
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1mo
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Principal Linux Systems Administrator - Polygraph
Morrisville or Baltimore
$99k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
3+ YOETop Secret/SCI with recent Polygraph required; Security+ CE (or IAT Level II); Linux server administration in classified environments; AWS experience; STIG implementation; 3+ years IT experience (varies by degree).
Linux, Windows, Solaris, macOS, UNIX, AWS, Terraform, Helm, Ansible, Docker, Kubernetes, HBSS, SolarWinds, Splunk, ServiceNow, JIRA, Python, C++
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3w
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393 - Senior Linux Systems Administrator
Annapolis Junction, Maryland, United States
$177k-$198k/yr OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
11+ YOEActive TS/SCI with polygraph required; Bachelor's degree plus 11 years relevant experience (or equivalent). Experience with Linux administration, network administration, security compliance (RMF), nginx, monitoring tools, and vulnerability management.
RMF, Netseer, SEAR logging, IAVMs, McAfee, UAM, nginx, OpenVAS, Prometheus, Grafana, SELinu x, FIPS, LatteArt/Biscotti, Docker, MongoDB, Elastic Search, Ansible, GitLab, RedHat Satellite
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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: Consulting and technology services for government and commercial clients
Linux systems administration experience, patching and hardening knowledge, AWS and automation tool experience, TS/SCI with polygraph required; ability to obtain listed security cert within 6 months.
AWS, Jenkins, Packer, Git, Docker, Kubernetes, Nessus, Jira, Confluence, RHEL
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3w
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Linux Systems Administrator 3/4 - Polygraph
Linthicum, Maryland, United States
$99k-$185k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
3+ YOETS/SCI with recent polygraph required; IAT Level II (8140/8570) certification; Linux server/workstation administration experience; degree plus relevant IT experience (varies by level); ability to lift 50 lbs; support classified environments.
Linux, ServiceNow, JIRA, VMware, HBSS, SolarWinds, Splunk, Windows AD, LDAP, SAN, Cisco
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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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1mo
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Linux Systems Administrator
Linthicum, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
3+ YOEActive TS/SCI with Polygraph, Security+ certification, 3+ years Linux admin, 1+ year AWS and Ansible experience, enterprise Linux proficiency, patching/maintenance, security compliance, and strong troubleshooting and communication skills.
Linux, AWS, Ansible, Docker, Kubernetes, Elasticsearch, Splunk, Bash, Python
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