277 linux systems administrator jobs at 103 companies in Aberdeen, MD

3mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Linux Systems Administrator
Annapolis Junction or Virginia Beach
$87-$111/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
10+ YOETS/SCI with polygraph required. Experience administering RHEL8/9 and Linux workstations, system hardening/patching, GitLab and Ansible playbooks, PKI, and DoD 8570 IAT II/III; bachelor's+10yrs or HS+12yrs experience.
Linux, RHEL, CentOS, GitLab, Ansible, Jira, Nagios
3w
Save
Mark Applied
Hide
Linux Systems Administrator II
Fort Meade, Maryland, United States
$104k-$218k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOEProficient with Linux (RHEL), 3+ years recent Linux admin, COMPTIA Security+, 10 years systems administrator experience or Bachelor\u0002s degree (or substitution), virtualization and patching experience.
Red Hat Enterprise Linux (RHEL), Dell, HPE, Juniper, Cisco, Palo Alto, Ansible, Nutanix, Rubrik, Nomad, SALT, LibreNMS, NetBox, AWS, Azure
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Linux Systems Administrator
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
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.
Red Hat, CentOS, Linux, SELinux, realm, adcli, sssd, Active Directory, VMware, KVM, Docker, Podman, Kubernetes, Gitlab, Confluence, Jira, Legato, Networker, NPE certificates, SSL/TLS, Nagios, Thruk, Salt-Stack, Puppet, Ansible, Chef, Slurm, Exchange, RSA, Radius
3w
Save
Mark Applied
Hide
Linux Systems Administrator II
Fort Meade, Maryland, United States
$104k-$218k/yr OnsiteFull Time
CACI
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
1w
Save
Mark Applied
Hide
Sr. Linux Systems Administrator
Columbia, Maryland, United States
$145k-$165k/yr OnsiteFull Time
Astrion
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
2d
Save
Mark Applied
Hide
Systems Administrator 1 - Linux
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
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
2w
Save
Mark Applied
Hide
Linux Administrator
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
1w
Save
Mark Applied
Hide
Principal Systems Administrator (Linux)
Laurel, Maryland, United States
OnsiteFull Time
Themis Insight
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).
Linux, OpenStack, AWS, EC2, RDS, VMWare, Ansible, Kubernetes, Rancher, kubectl, Git, YUM
1w
Save
Mark Applied
Hide
Linux Systems Administrator
Laurel, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
15+ YOEActive TS/SCI clearance with Polygraph, CompTIA Security+, 15 years systems admin experience (Bachelor's in technical discipline required or 5 additional years), strong Linux, Ansible, PKI, Kubernetes, OpenStack, AWS, VMware, and Git skills.
OpenStack, AWS, VMware, YUM, Ansible, Rancher, kubectl, Kubernetes, EC2, RDS, Git, CentOS, Red Hat Enterprise Linux (RHEL)
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Linux Systems Admin L1
Annapolis Junction, Maryland, United States
OnsiteFull Time
Jovian Concepts
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)
1w
Save
Mark Applied
Hide
Linux System Administrator
Fort Meade or Annapolis Junction
$150k-$190k/yr OnsiteFull Time
CTC Group
CTC Group: Provides specialized engineering and technical services to defense agencies.
5+ YOEActive TS/SCI with polygraph, bachelor\u0002s in technical discipline (or 5 yrs experience), 5+ years systems administration experience, CWIP IAT certifications, RH/MCSA certifications, A+/Network+/SSCP, expertise in Linux, networking, virtualization, automation, and vulnerability remediation.
Cisco, Palo Alto, Ansible, Bash, Python, Nessus, Docker, Kubernetes, IPsec, VPN
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Linux Systems Administrator Level 1 - Clearance Required
Hanover, Maryland, United States
$82k-$144k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEMust hold current TS/SCI with Poly; 5+ years systems administration experience with CentOS 7, Rocky 9, RHEL 9 and Linux; experience with STE tasks, customer data transfer, hardware installation, and system troubleshooting.
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

Explore Jobs

Expand Your Job Search