35 linux systems administrator jobs at 21 companies in Alpine, CA

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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
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
2w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
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
1w
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Linux System Administrator
San Diego, California, United States
$140k-$155k/yr OnsiteFull Time
Bridge Defense
Bridge Defense: Provides secure infrastructure and edge computing for national security.
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
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Senior Systems Engineer - Linux - 26-016
San Diego, California, United States
$150k-$165k/yr OnsiteFull Time
AUSGAR Technologies
AUSGAR Technologies: Specialized cybersecurity and systems engineering for defense organizations.
5+ YOESecret clearance required or ability to obtain; 5+ years Linux systems administration; experience with Linux hardening, PKI, encryption, STIGs and RMF; strong networking, scripting and documentation skills.
GitLab, OpenProject, Git, Subversion, Samba, Python, SSH, rsync, AWK, grep, vi/vim, systemd, LUKS, OCSP, CRL, TLS/SSL, X.509, PKI, LDAP, Active Directory, Kerberos, SSSD, PAM, RAID, Security Technical Implementation Guides (STIGs), Risk Management Framework (RMF)
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Cloud Systems Administrator
San Diego, California, United States
$125k-$145k/yr HybridFull Time
Storage Strategies Inc
Storage Strategies Inc: Provides systems engineering and IT services to federal agencies.
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)
1mo
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Sr Systems Administrator
San Diego or California
RemoteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEUS citizen required; bachelor’s +5 years (or +4 years experience in lieu). Azure, IaaS/PaaS, container (Docker/Kubernetes/AKS), IaC (PowerShell, Python, Azure CLI, Bicep, JSON), Windows/Linux administration, VMware, Exchange/Exchange Online, Active Directory/Entra, DNS/DHCP, VPN, ServiceNow experience.
Azure, IaaS, PaaS, Docker, Kubernetes, AKS, PowerShell, Python, Azure CLI, JSON, Bicep, Windows Server, Linux, VMware, Active Directory, Entra (Azure AD), DNS, DHCP, Kerberos, VPN, Microsoft Exchange Online, Microsoft Teams, Microsoft Office 365, M365, ServiceNow, Veritas NetBackup, NetApp
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Systems Administrator II - La Jolla, CA
La Jolla, California, United States
$91k-$146k/yr OnsiteFull Time
Institute for Defense Analyses
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
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
Seasats
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
3w
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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
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
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
6d
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Systems Administrator 3
San Diego, California, United States
$88k-$115k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
4+ YOEBachelor's degree or equivalent experience, 4+ years related experience, Secret clearance required, Security+ or equivalent, server-focused and Linux/Microsoft certifications preferred, experience with STIG, WSUS/SCCM, VMware.
GPOs, DHCP, Microsoft WSUS, SCCM, Windows Server 2016, Windows Server 2019, Windows 10, Red Hat Enterprise Linux (RHEL), VMware
1mo
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Sr. Systems Engineer - Linux
San Diego, California, United States
$120k-$145k/yr OnsiteFull Time
Axos Financial
Axos FinancialNYSE: AX: Provides digital-first banking and diverse financial services to customers.
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
1w
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Senior IT Systems Administrator
San Diego, California, United States
HybridFull Time
BAE Systems
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
2mo
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HPC Systems Engineer (Linux / Infrastructure)
San Diego, California, United States
$116k-$209k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
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
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
5d
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System Administrator Expeditionary Systems (OpAI) - Secret Clearance Required
San Diego, California, United States
$140k-$160k/yr OnsiteFull Time
PMAT
PMAT: Provides software engineering and data analytics for national defense missions.
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
2mo
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Senior Systems Administrator, Network (San Diego, CA, US)
San Diego, California, United States
$126k-$163k/yr OnsiteFull Time
Murata
MurataTokyo Stock Exchange: 6981: Murata manufactures electronic components and wireless connectivity modules.
6+ YOE6-8 years in network infrastructure; experience with routers, switches, firewalls; TCP/IP, OSPF, BGP, EIGRP; cloud experience (AWS/Oracle) a plus; Cisco/Aruba/Palo Alto networks; strong communication and leadership.
Cisco IOS, NX-OS, ARUBAOS, PANOS, Radius authentication, 802.1x, ClearPass, GlobalProtect, VPN, VMware, NetApp, Linux, Windows Server, SQL Server, CentOS, RHEL, TCP/IP, OSPF, BGP, EIGRP
2w
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Staff Cyber Systems Engineer
San Diego, California, United States
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
6+ YOEExtensive Linux systems administration experience, scripting, security hardening, ability to obtain U.S. Secret clearance and US citizenship, and senior-level systems engineering experience.
Linux, yum, ldap, SELinux, kickstart, dns, dhcp, firewalld, VMware, Ansible, shell scripting, Red Hat
2mo
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Computer Systems Analyst I
Coronado or Ashburn or Sierra Vista or United States
$80k-$89k/yr OnsiteFull Time
Veteran Enterprise Technology Services
Veteran Enterprise Technology Services: Provides IT and engineering services to federal government agencies
2+ YOEDoD Secret clearance and U.S. citizenship required. 2 years experience in installation/maintenance of computer systems and network servers; proficiency with Microsoft Office/Exchange, TCP/IP and administration of Microsoft, Linux, or UNIX systems; CompTIA Security+ within 6 months.
Microsoft Office, Microsoft Exchange, Linux, UNIX, TCP/IP, MIS databases
2w
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Staff Cyber Systems Engineer
San Diego, California, United States
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
6+ YOEU.S. citizen able to obtain/maintain U.S. Secret and SAP clearances. Extensive Linux systems administration experience, scripting, virtualization, security compliance, and collaboration on schedule-driven programs. Bachelor's+ relevant experience required.
Linux, yum, ldap, SELinux, kickstart, dns, dhcp, firewalld, VMware, Ansible, shell scripting, Red Hat

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