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3,973 linux jobs at 716 companies in Frederick, MD

2d
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Linux Administrator
Reston or Chantilly
OnsiteFull Time
LT Consulting
LT Consulting: Provides technical services and software engineering for the Intelligence Community.
Active TS/SCI clearance with polygraph, bachelor’s in computer science or related, Linux systems administration responsibilities.
Linux
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3mo
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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
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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2w
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Linux Engineer (Expert)
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
11+ YOEBachelor's degree and 11+ years relevant experience; Expert Linux administration (Red Hat/RHEL/RockyOS), BASH/Python, Ansible/Puppet/Terraform/CloudFormation, cloud platforms, and Top Secret/SCI eligibility.
Linux, Red Hat, RHEL, RockyOS, BASH, Ansible, Puppet, Terraform, CloudFormation, Python, Amazon Web Services (AWS), Google Cloud, Microsoft Azure, Kubernetes, OpenShift
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1w
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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+ YOEU.S. citizen with active DoD Secret (TS/SCI preferred) and DHS suitability. 5+ years Linux sysadmin experience, 2+ years macOS/iOS, bachelor's in related field preferred, scripting and vulnerability assessment experience.
RedHat Openshift, RedHat Ansible, Docker, Kubernetes, Podman, RedHat Ansible Tower, RedHat Satellite, Splunk, Databricks Intelligence Platform, Apache, Tomcat, NGINX, Nagios, Kerberos, LDAP, Sourcefire, Puppet, Python, JavaScript, MacOS, Windows, Linux/Unix
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1mo
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Linux Systems Engineer
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
5+ YOECurrent Top-Secret clearance with SCI eligibility; 5+ years Linux systems engineering, 3+ years advanced Linux networking, VPN, and SaltStack automation; hands-on Debian/Ubuntu and scripting with Python/Bash.
OpenVPN 2.6+, WireGuard, IPSec, SaltStack, Python, Bash, Git, tcpdump, Wireshark, iproute2, nftables, iptables, perf, sar, vmstat, iostat, eBPF, systemd, Debian Linux, Ubuntu Linux, Docker, Kubernetes, Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure, CI/CD
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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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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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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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Cloud Linux Engineer
Warrenton or Columbia
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
AWS and Linux in production; databases (RDS, MySQL, Oracle); automation tools; cloud security; scripting; security clearance with polygraph.
AWS, Linux, RDS, MySQL, Oracle, Puppet, Chef, Ansible, CloudFormation, RBAC, IAM, CloudTrail, AWS Config, VPC, Security Groups, NGFW, WAF, SIEM, Python, Java, C#, Azure, Hyper-V, VMware
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2mo
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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 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 System Administrator
Fort Meade, Maryland, United States
$77k-$129k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOE3+ years technical experience, Linux and scripting (Bash, Python, Perl), experience with Ansible or Puppet, Git/GitLab CI/CD; ability to obtain TS/SCI with Poly.
Ansible, Puppet, Linux, Bash, Shell, Python, Perl, Git, GitLab CI/CD, Docker, Kubernetes, SALT, NiFi
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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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17h
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Linux System Administrator
College Park, Maryland, United States
$70k-$130k/yr HybridFull Time
Dark Wolf Solutions
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
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1mo
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Mid Level Linux Administrator
Hanover, Maryland, United States
$140k-$190k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
4+ YOEMinimum 4 years Linux administration (Redhat/Centos), 4 years bash scripting, 2+ years Perl/Python, virtualization and Puppet experience, Bachelor's in a technical field (or additional experience), TS/SCI with Poly required.
Linux, Bash, Perl, Python, Redhat, Centos, Puppet, Kubernetes, Docker, HTML, XML, Java2E
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1w
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Linux System Administrator
Vienna or Beavercreek
$115k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
5+ YOEBachelor's degree,5+ years administering enterprise Linux,experience with automation (Ansible,Bash,Python),virtualization (VMware vSphere),networking and security,DoD 8140 intermediate/CompTIA Security+ preferred.
Red Hat Enterprise Linux, Rocky Linux, Ubuntu, Bash, Python, Ansible, VMware vSphere, SSH, SCP, TCP/IP, DNS, DHCP, ESXi, Git, Bitbucket, Bamboo, GitLab, CI/CD, STIGs, CIS Benchmarks, PKI, SSL/TLS, Active Directory, LDAP
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3mo
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Linux Network Engineer
Manassas, Virginia, United States
HybridFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
4+ YOE4+ years as a Network Engineer; 2-4 years Linux experience; BS in CS or related field; network design/architecture expertise; Secret clearance ability; US Citizen; strong communication.
Linux, VLAN, VxLAN, Cisco, Juniper, Arista, Network monitoring tools
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1mo
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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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1d
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LINUX SYSTEMS ENGINEER
Greenbelt, Maryland, United States
$120k-$150k/yr HybridFull Time
MCSG Technologies
MCSG Technologies: Provides information technology, engineering, and healthcare support services.
12+ YOE12+ years Linux systems administration (RHEL/Ubuntu), shell scripting, Ansible, networking/TCP-IP, patch and backup management, production monitoring, and ability to meet NASA access/citizenship requirements.
Ubuntu, RHEL, Ansible, Apache, Confluence, Gitlab, Docker, IBM BigFix, SentinelOne, Red Hat Satellite
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