ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOEInstall, configure, and secure enterprise Linux systems (RHEL/Ubuntu) in classified DoD environments; 3+ years Linux administration; IAT Level II cert; Linux OS certification; scripting and automation (Bash, Python, Ansible); AD, NFS, DNS, LDAP skills.
Red Hat Enterprise Linux, Ubuntu, VMware, Bash, Python, Ansible, Splunk, ACAS (Tenable Nessus), Host Based Security System (HBSS), Kubernetes, Docker, AWS, Azure GovCloud
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.
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
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.
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.
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
2+ YOE2+ years Red Hat-focused Linux administration, Ansible and Foreman/Red Hat Satellite experience, scripting (Bash/PowerShell/Python), monitoring and vuln tools, NetApp, AD/VMWare, able to obtain Public Trust, lift 60 lbs.
Red Hat Linux Enterprise, Ansible, Redhat, CentOS, Ubuntu, Oracle Linux, CheckMK, Big Brother, Bash, PowerShell, Python, Gitlab, Netapp, Tenable Nessus, Qualys, AIX, Akamai, IDM, Grafana, Nvidia, Tectia, CAC VPN, Red Hat Satellite 6, Foreman, VMWare, Active Directory, Windows
Watershed Security: Specialized cybersecurity and information technology solutions for government agencies.
3+ YOE3+ years UNIX/Linux administration experience; system backup/recovery, software/hardware installation, security and library management, TCP/IP and network security tools, sizing/performance/tuning, troubleshooting; active DoD Top Secret and IAT II designation required.
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Experienced Linux system administrator for CDS sustainment: virtualization, Ansible automation, Git, Docker, Python/Bash scripting, SNMP/monitoring, patching, incident response; TS/SCI with CI poly required.
Red Hat Linux 7/8/9, Ansible, Git, Docker, Python, Bash, VMWare ESXi, ProxMox, SNMP, Cross Domain Solution (CDS)
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years administering RHEL7/8 systems, Linux system administration, automation with Ansible/Puppet/Chef, scripting (Bash, Ruby, Python, Perl), STIG/STIG Manager experience, DoD 8570 IAT Level II (Security+), active Secret clearance.
Linux, Red Hat Enterprise Linux (RHEL), Ansible, Puppet, Chef, Bash, Ruby, Python, Perl, PowerShell, STIG Manager, NFS, CIFS, SMB
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.
DMI: Provides end-to-end digital transformation and managed IT services.
Design, implement, and maintain Linux systems (RHEL/Oracle Linux); expertise in shell scripting, virtualization, networking, security baselines, and incident response. Must meet DoD IAT Level 2 requirements and U.S. citizenship/public trust eligibility.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years administering RHEL7/8 servers, Linux internals, scripting and automation (Ansible/Puppet/Chef), STIGs and security posture, and ability to engage with senior government stakeholders.
Linux, Red Hat Enterprise Linux (RHEL), Ansible, Puppet, Chef, Bash, Ruby, Python, Perl, PowerShell, STIG Manager
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
3+ YOETop Secret clearance ability,3+ years experience,proficient with RHEL/Ubuntu/Solaris/CentOS,Linux shell scripting and Ansible,experience with STIGs/patching/backups/vulnerability scanning,onsite at NAS Patuxent River.
RHEL, Ubuntu, Solaris, CentOS, Linux shell scripting, Ansible
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
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
1845 - Linux Systems Administrator - Onsite - Secret Clearance Required
Patuxent River, Maryland, United States
$100k-$180k/yrOnsiteFull Time
Rollout Systems: A technology services firm providing affordable solutions and expertise for complex Department of Defense enterprise environments.
3+ YOE3-8 years experience administering Linux/Windows hosts and virtual infrastructure in government hosting facilities; active Secret clearance; CompTIA Security+ and OS knowledge; BS/BA in CS/Engineering/IT preferred.