322 linux systems administrator jobs at 111 companies in Centreville, MD
3mo
Save
Mark Applied
Hide
3mo
Linux Systems Administrator
Fort Meade, Maryland, United States
$128k-$214k/yrOnsiteFull Time
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.
EverWatch: Develops software and intelligence systems for government agencies.
10+ YOE10+ years with a bachelor's degree or 12+ years with a high school diploma/GED administering Linux systems; TS/SCI with polygraph, IAT II/III certification, and Linux security and automation 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...
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.
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
5+ YOERequires TS/SCI with Poly, bachelor's degree in a technical discipline and 5 years of systems administration experience, or equivalent education substitution. CentOS, Rocky, RHEL, Linux, hardware, and STE experience required.
CentOS 7, Rocky 9, RHEL 9, UNIX, Windows, Ansible, PXE, Proxmox, Identity Manager (IDM), LDAP, Transport Layer Security (TLS), Windows 10, Windows 11, Linux
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOEHands-on RHEL administration, patching, virtualization, security compliance, and system integration; COMPTIA Security+ and substantial systems administration experience required.
Red Hat Enterprise Linux (RHEL), Juniper, Cisco, Palo Alto, Ansible, Nutanix, Rubrik, Nomad, SALT, LibreNMS, NetBox, AWS, Azure
Astrion: Provides engineering, cybersecurity, and mission support services.
8+ YOEActive TS/SCI clearance, bachelor\u0002s or equivalent, 8+ years Linux administration in DoD/classified environments, RHEL expertise, scripting/automation, STIG/RMF compliance, HPC and enterprise storage experience.
RHEL, Bash, Python, Ansible, PBS Professional, NetApp ONTAP, NFS, ACAS, Nessus, SCAP, SIEM, Red Hat Satellite, Podman, Kubernetes, Ansible Automation Platform, Git, Azure Government
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
5+ YOEFive years of systems administration experience, technical bachelor's degree or equivalent experience, Top Secret/SCI clearance with favorable polygraph, U.S. citizenship, and Linux administration expertise.
CentOS 7, Rocky 9, RHEL 9, Linux, Customer Secure the Enterprise (STE), Ansible, PXE, Proxmox, Identity Manager (IDM), CentOS LDAP, Transport Layer Security (TLS), Windows 10, Windows 11
Quevera: Software engineering and cloud solutions for government and defense.
10+ YOE10+ years Linux administration or engineering experience; active TS/SCI clearance with polygraph; Security+ certification; CentOS/RHEL, Kubernetes, container, and Bash experience required. Red Hat certification, Python, Ansible, Salt, and VMware preferred.
5+ YOEBachelor's or equivalent experience, 5+ years Linux/system administration experience, DoD 8570 certification (Security+), OS certification (Linux+/RedHat), ability to obtain Top Secret clearance, scripting and automation experience.
Ansible, Puppet, Python, Apache, Zabbix, Red Hat Satellite, Red Hat Identity Manager, BIND, OpenID, LDAP, Kerberos
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
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
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
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
Jovian Concepts: Provides technical services and engineering to the intelligence community.
5+ YOETS/SCI clearance with polygraph required; Bachelor’s in a technical discipline or 5+ years SA experience; DoD 8570 IAM Level I; Linux administration (CentOS 7, Rocky 9, RHEL 9); hardware installation and server upgrades.
CentOS 7, Rocky 9, RHEL 9, Ansible, PXE, Proxmox, Identity Manager (IDM), LDAP, Windows 10, Windows 11, Transport Layer Security (TLS), Customer Secure the Enterprise (STE)
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.