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
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.
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.
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.
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.
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).
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
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
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
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.
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
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.
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
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years system administration experience with Linux (RHEL/CentOS/Ubuntu), security controls, networking, backups, automation with Bash/Python/Ansible, and ability to support 24x7 on-call; associate's degree preferred.
Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, Bash, Python, Ansible, TCP/IP, DNS, DHCP, NFS, VPN, MySQL, PostgreSQL, Oracle, Docker, Kubernetes, AKS, EKS, WebLogic, AWS, Azure
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.
GAP Solutions: Providing professional services and mission support to federal agencies.
Bachelor's degree in computer-related field required; skilled in Linux administration, data management and analysis; experience with Python, Linux/Unix, Bash, Git, and R; strong communication and organizational skills.