7 linux system admin jobs at 6 companies in Chula Vista, CA
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Senior Principal System Administrator
San Diego, California, United States
$133k-$226k/yrOnsiteFull Time
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOETop Secret clearance required, typically Bachelor's + 8 years or equivalent. Strong Linux (RHEL), Windows Server, VMware, networking, cybersecurity (DISA STIGs, Nessus) skills; CompTIA Security+; McAfee ePO admin certification within 6 months; experience with classified networks.
VMware, Red Hat Enterprise Linux, YUM, DNF, Windows Server, Microsoft SQL Server, TMPC, McAfee ePO, DNS, LDAP, SSH, SCP, Nessus, PKI, Red Hat KVM, Bash, PowerShell, Shared Storage, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, DISA STIGs
G2IT: Provides IT systems integration and modernization for federal agencies.
5+ YOEActive TS/SCI clearance or eligibility, 5+ years DoD systems engineering, experience with DoD DevSecOps pipelines (OSA), CANES integration, container orchestration, CI/CD, IaC, Linux admin, cloud (AWS/Azure), scripting, and relevant DoD certifications.
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
6+ YOE6+ years IT systems administration experience; Google Workspace or Microsoft 365 admin; MDM for Windows and macOS; Linux knowledge; strong networking (DNS, DHCP, VLANs, VPNs, Wi‑Fi), identity/SSO/MFA, endpoint security, and support/process experience.
Google Workspace, Microsoft 365, Windows, macOS, Linux, MDM, Okta, JumpCloud, Kandji, Jamf, Microsoft Intune, Python, PowerShell, Bash, DNS, DHCP, VLANs, VPNs, Wi‑Fi, firewalls, SSO, MFA
Firestorm Labs: Develops and manufactures low-cost 3D-printed unmanned aerial vehicles.
6+ YOEU.S. citizen able to obtain DoD clearance,6+ years IT support/systems admin,3+ years Entra ID experience,Azure GCC High and AD experience,EMR not applicable,MacOS/Linux support,networking and clear communication skills.
Microsoft Azure Government GCC High, Entra ID, Intune, Sentinel, Defender, Active Directory, Microsoft Defender, Microsoft 365, Confluence, Jira, VPN, DNS, VLAN, DHCP, Windows, MacOS, Linux
University of California, San Diego: A public research university providing higher education and healthcare.
Administer large-scale HPC clusters and parallel file systems (Lustre, Ceph, GPFS); strong Linux (Red Hat) admin, scripting (Bash, Python), configuration management, and performance benchmarking skills.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
5+ YOEUS citizen able to obtain Secret clearance, CompTIA Security+ or equivalent, DoD 8570 IAT Level II (or obtain within 6 months), 5+ years systems admin experience, Windows/Linux, virtualization, scripting, AD and networking.
VMware vSphere, Horizon, PowerShell, Bash, Python, Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
5+ YOEActive SECRET clearance; DoD 8570/IAM Level II, CISSP or Security+; 5+ years securing multiple OS (Windows, Linux) with Active Directory/Group Policy; 2+ years ISSM/System or Network Admin compliance experience; US citizenship required.
SCAP, DISA STIGs, Splunk, Nessus, ACAS, eMASS, Microsoft Active Directory, Group Policy, DNS, DHCP, LDAP, SQL, DCSA Risk Management Framework (RMF), NISPOM