34 linux system administrator jobs at 21 companies in San Diego, CA
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Linux System Administrator
San Diego, California, United States
$140k-$155k/yr OnsiteFull Time
Active Secret clearance, DoD 8570/8140 IAT II or IAM II (e.g., Security+ CE), CSWF certification, bachelor's degree or equivalent, RHEL 7/8 Linux administration, cybersecurity and compliance experience.
Red Hat Enterprise Linux (RHEL), PHP, PKI, STIGs, RMF
1d
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Windows & Linux System Administrator
San Diego, California, United States
$105k-$115k/yr OnsiteFull Time
3+ YOERequires 3+ years administering Windows and RHEL systems, PowerShell and bash scripting, IAVM/STIG patching experience, Secret clearance, and IAT Level II certification.
Windows 11, RHEL, PowerShell, bash, Ansible, STIG, CTO, IAVM
3w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOEActive Secret clearance,6+ years Linux administration (RHEL/Ubuntu),DoD security/RMF experience,virtualization (VMware/Hyper-V/OpenShift),NetApp/Veeam,AD/IdAM,trellix,ability to lift 40lbs,DoD 8140.01 or equivalent certs.
RHEL, Ubuntu, DISA STIGs, NIST 800-53, VMware, Hyper-V, OpenShift, NetApp, Veeam, Trellix, Active Directory, IdAM, GPOs, DNS, DHCP, Splunk, Docker, LXD, Ansible, Puppet
3w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOEActive Secret clearance, 6+ years Linux administration (RHEL/Ubuntu), 4+ years DoD/industrial security with RMF, 2+ years virtualized infrastructure (VMware/Hyper-V/OpenShift), Trellix, AD/IdAM, NetApp/Veeam experience, ability to lift 40lbs, DoD 8140.01 certs.
RHEL, Ubuntu, VMware, Hyper-V, OpenShift, Trellix, ePO, Active Directory, IdAM, GPOs, DNS, DHCP, NetApp, Veeam, Docker, LXD, Ansible, Puppet, Splunk
2d
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System Administrator Expeditionary Systems (OpAI)
San Diego, California, United States
OnsiteFull Time
2+ YOEBachelor's degree with 2+ years or master's degree with 0 years; U.S. citizenship; active Secret clearance; Linux, tactical systems, data pipelines, edge servers, GPUs, and containerization experience.
Linux, Jetson Nano, DGX Spark, Docker, Kubernetes, Tactical Assault Kit (TAK), Maven Smart Systems (MSS), AirByte, Apache Airflow, dbt, Apache Iceberg, Snowflake, Geographic Information Systems (GIS), ArcGIS, PostGIS, Elasticsearch, Redis, S3, PostgreSQL
1mo
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Senior Principal System Administrator
San Diego, California, United States
$133k-$226k/yr OnsiteFull Time
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
1w
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System Administrator Expeditionary Systems (OpAI) - Secret Clearance Required
San Diego, California, United States
$140k-$160k/yr OnsiteFull Time
3+ YOERequires 3+ years in a relevant technical role, Linux command line, tactical systems troubleshooting, data pipelines, and collaborative problem-solving. Bachelor's degree or equivalent, U.S. citizenship, and active DoD Secret clearance required.
Linux, Jetson Nano, DGX Spark, Docker, Kubernetes, Tactical Assault Kit (TAK), Maven Smart Systems (MSS), AirByte, Apache Airflow, dbt, Apache Iceberg, Snowflake, Geographic Information Systems (GIS), ArcGIS, PostGIS, Elasticsearch, Redis, S3, PostgreSQL
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Cloud Systems Administrator
San Diego, California, United States
$125k-$145k/yr HybridFull Time
Requires Security+ and Secret clearance, systems administration, Windows, networking, AWS Cloud, Linux, virtualization, Active Directory, scripting, ACAS scans, STIGs, and test plan development experience.
AWS Cloud, Windows, bash, PowerShell, VMware, Active Directory, EC2, Lambda, S3, Directory Service, WorkSpaces, Linux, ACAS, STIGs, ActivClient, 90meter, Axway, Ansible, CyberArk, Infrastructure-as-code (IAC), Privileged Access Management (PAM), PKI, Risk Management Framework (RMF)
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Systems Administrator II - La Jolla, CA
La Jolla, California, United States
$91k-$146k/yr OnsiteFull Time
4+ YOE4+ years systems administration (3+ with Linux) or HS+6 years, experience with Linux, VMware, Apache, MySQL, scripting (Perl, PHP, shell), CompTIA Security+ or equivalent, ability to obtain security clearance.
Linux, VMware, Apache, MySQL, Perl, PHP, GNU utilities
1mo
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Senior IT Systems Administrator
San Diego, California, United States
$115k-$155k/yr OnsiteFull Time
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
1mo
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Systems Administrator (GEODSS) - Diego Garcia 1
Diego Garcia or San Diego or Chicago or Fairbanks or Vandenberg AFB or Nellis AFB
OnsiteFull Time
4+ YOEActive security clearance and U.S. citizenship; minimum 4 years systems administration experience; Linux and Windows experience; DISA STIG compliance, backups, auditing, incident response; CompTIA Security+/CCNA/RedHat desired.
GEODSS, Linux, Windows, RedHat, DISA Security Technical and Implementation Guide (STIG), CompTIA Security +, CCNA
1w
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NTCSS Senior Automated Information System Analyst (SAISA)
San Diego, California, United States
$83k-$174k/yr OnsiteFull Time
8+ YOEExtensive NTCSS system administration experience, Linux command knowledge, CompTIA Security+, Secret clearance, and a bachelor's degree or eight years of relevant programming, design, or analysis experience.
Linux, R-Supply, OMMS-NG, NALCOMIS, RADM, Navy/Marine Corps Intranet (NMCI), CompTIA Security+
5d
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Principal Systems Administrator (Rancho Bernardo)
San Diego or Sigonella
$104k-$155k/yr FieldFull Time
6+ YOERequires active U.S. Top Secret clearance, Security+ CE, Windows Server and domain administration, systems administration experience, after-hours availability, and ability to travel and lift up to 40 pounds.
Windows, VMware, Linux, Red Hat, CompTIA Security+, Windows Server, NISPOM, DCID 6/3-ICD 503, RMF, STIG, JAFAN, JSIG, Cisco, Windows AD, LDAP, SAN, VLAN, scripting
5d
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Systems Administrator 3 - 29784
San Diego, California, United States
$88k-$115k/yr OnsiteFull Time
6+ YOERequires 6 years relevant experience with a bachelor's, 4 with a master's, or 10 with high school; active Secret clearance; Security+ and Linux+ or Microsoft certification; strong server administration and troubleshooting skills.
Microsoft Windows, Group Policy Objects (GPOs), Dynamic Host Configuration Protocol (DHCP), DoD Security Technical Implementation Guides (STIG), Microsoft WSUS, SCCM, VMware, VDI, Windows Servers 2016/2019, WIN10 SHB, RedHat, RHEL 7/8
1mo
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Sr. Systems Engineer - Linux
San Diego, California, United States
$120k-$145k/yr OnsiteFull Time
5+ YOE5+ years Linux administration, strong Puppet and VMware experience, production support/incident management, Bash/Python scripting, networking and storage knowledge, ITSM experience (ServiceNow) in a regulated banking environment.
Linux, Unix, Puppet, VMware, vSphere, ESXi, vCenter, Zerto, ServiceNow, Bash, Python
2mo
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Red Hat Linux System Administration, Department of Cybersecurity - Adjunct Faculty
San Diego, California, United States
OnsitePart Time, Contract
Master’s degree in Cybersecurity or related field; active Linux certification; experience in networking and security; teaching adults; onsite in San Diego; CCNA/CEH preferred.
Linux, Red Hat, Networking, Security
2mo
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HPC Systems Engineer (Linux / Infrastructure)
San Diego, California, United States
$116k-$209k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent experience, 15+ years systems administration experience, deep Linux stack knowledge (NFS, ZFS, BTRFS, mdadm, LVM), scripting with Python/Ansible/Bash, troubleshooting distributed systems; SLURM and parallel file system experience desirable.
Lustre, BeeGFS, WEKA, Ceph, SLURM, Ansible, Python, Bash, Docker, Podman, Apptainer, NFS, ZFS, BTRFS, mdadm, LVM
2mo
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IT Systems Administrator, Mid
San Diego, California, United States
$62k-$141k/yr OnsiteFull Time
3+ YOE3+ years administering Windows Server, Active Directory, VMware; experience with storage (iSCSI/SAN/NAS), networking, AWS; Top Secret clearance required; Bachelor’s in IT/CS; ability to obtain DoD 8570 IAT2 within 30 days.
VMware, VMware Horizon, VMware vSphere, Windows Server, Windows 10, Exchange, Active Directory, Network Attached Storage, iSCSI, SAN, NAS, Amazon Web Services, Cisco Switches, F5, Big IP, TACLANE, Linux, Red Hat, Apache, HTML, Tenable Nessus, ACAS
2mo
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IT Systems Administrator, Mid
San Diego, California, United States
$62k-$141k/yr OnsiteFull Time
3+ YOE3+ years managing Microsoft Windows Server and Active Directory in enterprise environments; Top Secret clearance required; ability to obtain DoD 8570 IAT2 within 30 days; Bachelor’s in IT/Computer Science; experience with VMware, storage, and networking.
VMware, VMware vSphere, VMware Horizon, Microsoft Windows Server, Microsoft Windows 10, Microsoft Exchange, Microsoft Active Directory, Network Attached Storage, SAN, NAS, iSCSI, Amazon Web Services, Cisco, TACLANE, F5, Linux, Apache, HTML, Tenable Nessus, ACAS
1w
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NTCSS Senior Automated Information System Analyst (SAISA)
San Diego, California, United States
$83k-$174k/yr OnsiteFull Time
Requires extensive NTCSS system administration experience, Linux command knowledge, Force Level NTCSS troubleshooting, CompTIA Security+ with CE enrollment, and a bachelor's degree or eight years of relevant experience.
Linux, NTCSS, R-Supply, OMMS-NG, NALCOMIS, RADM, Navy/Marine Corps Intranet (NMCI), CompTIA Security+, CompTIA Continuing Education (CE)
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