Linux Senior System Administrator - Desktop Services
Annapolis Junction, Maryland, United States
$104k-$218k/yrOnsiteFull Time
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
20+ YOETS/SCI with Polygraph required. Bachelor's in a technical discipline (or 4 yrs experience substitution). 20+ years system admin experience, 8+ years ITSM, DoD 8570 IAT III (CASP+/CISSP), CE certification, ITIL 4.
UNIX, Linux, Windows, Active Directory, DNS, Group Policy, Active Roles Server, Privileged Access Management (PAM), SCCM, MS Exchange, Citrix, Centrify, VDI, ENABLINGSTORM (eSTORM), VIEWMAGIC (TTC), IAVA, SOA, GPU, Trusted Thin Client, CentOS, Red Hat
Jovian Concepts: Provides technical services and engineering to the intelligence community.
5+ YOEActive TS/SCI with Polygraph required; 5 years systems administration experience or bachelor’s in a technical discipline (or 5 additional years experience). IAT II (DoD 8570) required or obtainable within 6 months. Experience with Linux, containers/cloud, storage, virtualization, networking/firewalls, PKI/TLS/crypto, SSP compliance.
Quevera: Software engineering and cloud solutions for government and defense.
10+ YOEActive TS/SCI with Polygraph, 10 years systems administration experience, IAT Level II (DoD 8570) or equivalent, strong Linux administration, automation with Bash/Python/Puppet/Ansible, AWS experience preferred.
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.
Themis Insight: Provides technical consulting and data analytics for national security.
14+ YOETS/SCI with polygraph required; 14 years SE experience; bachelor’s degree or 5 years extra experience; Linux admin experience; strong communication; DoD systems engineering expertise.
ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOETS/SCI w/ Poly required; 15+ years system administration experience; CompTIA SEC+ or CISSP; bachelor’s in technical discipline (or 5yrs admin per yr substitution); experience with Linux, Windows, PKI, DISA STIGs, and security tooling.
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor's in Computer Science or related (or Master's), 5+ years (or 3+ with Master's), TS/SCI with Polygraph required, U.S. citizenship, proficiency in server OS, networking, storage, scripting, Linux and Windows.
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOETS/SCI with polygraph required; 3+ years IT with cloud-hybrid, Linux; 5+ years related field with degree; DoD 8570 IAT II; Cloud certifications including AWS DevOps Engineer Professional, CDP Admin - Private Cloud Base, CKA.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
10+ YOERequires active security clearance with polygraph, 10+ years federal experience, Bachelor’s in CS/IT/Engineering (or +5 years admin experience), DoD 8570 IAT Level I, AWS and Linux expertise, PKI and security tool experience (Nessus, UAM, CYBORGBUNNY, LATTEART).
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
15+ YOEBachelor’s degree in a technical discipline and 15+ years’ experience, or HS diploma and 20+ years’ experience; TS/SCI with polygraph; DoD IAT II certs; Windows and Linux admin; VMware; RMF knowledge; strong collaboration and communication.
Windows Server Administration, Active Directory, Group Policy, Linux Server Administration, VMware/ESXi, VMware vCenter, Networking (Switching and Routing), NetApp Storage, Nessus, ACAS, RMF
Senior Linux Systems Administrator (TS/SCI w/ Poly Required)
Annapolis Junction, Maryland, United States
$100k-$140k/yrOnsiteFull Time
Red Alpha: Provides software engineering and data science for defense missions.
4+ YOERequires TS/SCI with polygraph, 4 years federal program experience, bachelor's in a technical discipline (or 4 years DB admin experience), CentOS/RHEL Linux, Puppet, RMF, Docker/Podman, automation (bash/Ansible), VMware, DNS/DHCP/Active Directory, Jira/Confluence, vulnerability scanning.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Requires U.S. citizenship and Top Secret clearance, Security+ certification, bachelor's in STEM preferred or equivalent systems admin/IT experience; experience with Cisco/Juniper/Linux/Windows/ESXi, UAV or avionics integration, hands-on electrical/mechanical assembly, and willingness to travel and work variable shifts.
Cisco, Juniper, Linux, RHEL, Windows, Windows Server, ESXi