508 linux systems administrator jobs at 186 companies in Silver Spring, MD
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Linux Systems Administrator
Laurel, Maryland, United States
$170k/yrOnsiteFull Time
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
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.
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...
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.
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%.
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
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
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's in CS/IT or equivalent experience,5+ years Linux admin,experience with classified networks,SELinux,firewalls,virtualization,containerization,backup/recovery,automation,DoD 8570 cert within 6 months,active TS/SCI w/poly required.
Peraton: National security and mission-critical government technology services provider.
5+ YOEActive U.S. citizenship and Secret clearance, 5+ years in large multi-site Linux administration, proficiency with RHEL/Oracle Linux, automation (Ansible/AAP/Puppet), troubleshooting, and security remediation.
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOEU.S. citizen with active Secret clearance; 5+ years in large multi-site production Linux environments; strong RHEL/Oracle Linux, automation, Ansible, troubleshooting, and CVE mitigation experience.
The Tatitlek Corporation: Provider of government contracting, facility maintenance, and technology services.
6+ YOE6+ years system administration experience (UNIX/Linux/Windows). Must hold DoD Secret clearance (SSBI) or be able to obtain, maintain IAT Level 2 (DoD 8140.01) and OS/IA certifications; experience with Redhat, Solaris, WSUS, GPOs, and enterprise system administration.
UNIX, Linux, Windows, Redhat, Solaris, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, WSUS, GPOs, Windows Server, Windows Workstations
Themis Insight: Provides technical consulting and data analytics for national security.
15+ YOETS/SCI with Polygraph required. 15 years systems administration experience, strong Linux and VM management, Ansible, Kubernetes, cloud and virtualization exposure, Security+ certification, bachelor\u0002s degree (or equivalent).
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
5+ YOETop Secret/SCI with favorable polygraph and U.S. citizenship required; 5+ years systems administration experience (or bachelor’s in technical discipline); experience with CentOS 7, Rocky 9, RHEL 9, Linux, server upgrades, hardware installation, STE tasks, and data transfer processes.
CentOS 7, Rocky 9, RHEL 9, Linux, Customer Secure the Enterprise (STE), Ansible, PXE, Proxmox, Identity Manager (IDM), LDAP, Transport Layer Security (TLS), Windows 10, Windows 11
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Active TS/SCI with polygraph, technical bachelor's degree, hands-on AWS, Kubernetes, CI/CD and Linux experience; ability to build CI/CD pipelines, automate deployments, and operate in secure, collaborative environments.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEAbility to obtain Top Secret clearance; Bachelor's degree (or equivalent) with 4+ years experience; RHEL 7/8 administration, PostgreSQL, Bash scripting, Apache/Tomcat, PKI/SSL, DoD STIGs/RMF, DoD 8570 IAT II (Security+), OS certification (Linux+).
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
3+ YOE3+ years Windows/Linux systems administration experience, Active Directory, GPO, SCCM/MECM, virtualization, PowerShell and Bash proficiency; bachelor\u0002s degree or equivalent and ability to obtain Public Trust clearance.
Microsoft SCCM/MECM, Azure Update Management (AUM), Group Policy Objects (GPO), Active Directory, DNS, DHCP, SSH, cron, NFS, Apache, Nginx, Microsoft Universal Print, Hyper-V, VMware, Azure VMs, Bash, PowerShell, Ansible, Puppet
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
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
10+ YOERequires TS/SCI w/Poly, bachelor’s degree or equivalent with 10+ years experience (or +5 years substitute), DOD 8570 IAT2, expertise in Linux/Windows administration, automation with Ansible, scripting (Bash/PowerShell/Python), Arista networking, DoD STIG/CIS compliance.
RHEL, CentOS, Ubuntu, Debian, Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, LVM, RAID, SMB, NFS, DoD STIG, DISA STIGs, CIS Benchmarks, Ansible, WinRM, Bash, PowerShell, Python, Ansible Tower, AWX, Git, Arista EOS, CloudVision, eAPI, BGP, OSPF, EVPN, VXLAN, ACLs, RADIUS, TACACS+, 802.1X, MACsec, Confluence, SharePoint, Nagios, Prometheus, Grafana, ELK Stack, Splunk, Logstash, Jenkins, GitLab CI/CD, CircleCI, Docker Swarm, Kubernetes, Apache Mesos, AWS, Azure, GCP, Docker Hub, Ceph, SAN, NAS
Astrion: Provides engineering, cybersecurity, and mission support services.
6+ YOE6+ years Unix/Linux system administration experience including backup/recovery, hardware/software installation, security management, TCP/IP networking, and troubleshooting; must meet IAT III/T5 requirements.