115 linux systems engineer jobs at 41 companies in Temecula, CA

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Senior Linux Systems Engineer, Edge Compute and Communications - Active Clearance Required
Costa Mesa, California, United States
$170k-$210k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOE7+ years IT infrastructure engineering; strong Linux, Bash and PowerShell scripting; Active Secret clearance, ability to obtain Top Secret; travel up to 15%; experience with AD, multi-site, and air‑gapped/tactical environments.
Linux, Bash, PowerShell, RHEL Image Builder, Active Directory, Scripting, Cloud (IaaS/PaaS)
2mo
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Spacecraft Systems Engineer
Irvine, California, United States
$100k-$140k/yr OnsiteFull Time
Terran Orbital
Terran OrbitalNYSE: LMT: Manufactures modular spacecraft for aerospace and defense missions.
2+ YOE2+ years in systems engineering for spacecraft; BS/MS in aerospace or systems engineering; MATLAB, SolidWorks, STK, Linux; familiarity with subsystems and budgets; U.S. citizenship with ability to obtain DoD clearance.
MATLAB, SolidWorks, STK, Linux
1mo
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Systems Engineer (onsite)
Rancho Santa Margarita, California, United States
$165k-$180k/yr OnsiteFull Time
Palomar Products
Palomar ProductsNYSE: TDG: Manufacturer of secure communication systems for military aerospace platforms.
8+ YOEDrive system-level requirements, MBSE using Cameo/SysML, requirements management (Visure/DOORS/JAMA), support verification and DO-178C/DO-254 compliance; US citizenship required. Preferred 8+ years systems engineering experience in aerospace/defense.
Cameo Systems Modeler, SysML, Visure, DOORS, JAMA, Microsoft Windows, Linux, Unix, VMware, AWS, Microsoft Azure, Google Cloud, Python, LabVIEW
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Embedded Systems Engineer-Federal
Irvine or Mission Viejo
$70k-$300k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Experience with embedded compute, Linux, firmware, ROS, and system integration for robotic platforms. Federal program experience preferred.
C++, Python, ROS, Linux, Ubuntu, Yocto, JetPack, ARM, x86, ROS2
1w
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Principal SSD Systems Engineer
Rancho Santa Margarita, California, United States
$170k-$190k/yr OnsiteFull Time
Virtium
Virtium: Designs and manufactures industrial-grade storage and memory modules.
10+ YOE10+ years experience in SSD hardware/firmware and storage systems; bachelor's or master's in EE/CE or related; expertise in NVMe/SATA, Linux debugging, system integration, and supplier/customer engagement.
Linux, NVMe, SATA
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Senior Linux Platform Engineer - Santa Clara
Santa Clara or Irvine
$65k-$150k/yr HybridFull Time
Perficient
Perficient: Provides digital transformation and AI consulting for global enterprises.
10+ YOEMaster’s degree preferred; 10+ years Linux systems engineering; experience with custom Debian distributions and Debian packaging; advanced Python and Shell scripting; deep OS/build/debug expertise; familiarity with AI tools.
Debian, Debian packaging, Python, Shell, C/C++, ARM, AWS, CI/CD, Infrastructure as Code
3mo
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Systems Integration Engineer
March Air Reserve Base, California, United States
$133k-$222k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
5+ YOE5+ years in systems integration or C4I; active TS/SCI; Bachelor's in Engineering, Computer Science, Information Systems, or related field; experience with AMOSS/ISR; DHS/CBP exposure a plus.
Linux, Unix, C, C++, JavaScript, AMOSS, Radar
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Senior Systems Engineer
Carlsbad, California, United States
$142k-$224k/yr HybridContract
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
5+ YOEBA/BS in engineering or equivalent experience; 5+ years supporting enterprise server hardware, Linux, and VMware; 3+ years managing SAN, Active Directory, and Windows; experience with config management (Puppet/Ansible/Chef/Salt), scripting (Bash/Python/Perl), and networking fundamentals.
VMware, Active Directory, LDAP, DNS, NTP, syslog, Puppet, Ansible, Chef, Salt, Bash, Python, Perl
3mo
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Sr Systems / Cloud Engineer
Lake Forest, California, United States
$135k-$175k/yr OnsiteFull Time
STAAR Surgical
STAAR SurgicalNASDAQ: STAA: Develops and sells implantable lenses for vision correction.
5+ YOE5+ years in systems engineering with Azure cloud focus; undergraduate degree or equivalent; Windows/Linux, virtualization, networking, O365, SSO/MFA, scripting.
Azure, VMware, Hyper-V, Citrix, VDI, DNS, SSL, Windows Server 2019, Windows Server 2022, Linux, Unix, O365, Exchange Online, Teams, SharePoint, OneDrive, SSO, MFA, SAML
3w
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Systems Project Engineer Quick Reaction Capabilities QRC
Poway, California, United States
$106k-$190k/yr HybridFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
8+ YOESenior systems/project engineer with 8+ years experience; strong systems engineering, software/hardware integration, HMI, project management, and ability to obtain DoD clearance.
Linux/UNIX, Windows, EVMS
1w
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DevOps Systems Engineer
Redlands, California, United States
$70k-$123k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years infrastructure and automation experience, cloud (AWS/Azure), Linux, configuration management, scripting (Python/PowerShell), infrastructure as code, and a bachelor\u0002s in CS/engineering or related STEM.
AWS, Azure, Docker, Kubernetes, EKS, Python, PowerShell, Puppet, Chef, Jenkins, GitHub Actions, Git, CloudFormation, Terraform, Prometheus, Grafana
1mo
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Systems Engineer - Microsoft Windows
La Jolla, California, United States
$101k-$161k/yr OnsiteFull Time
Institute for Defense Analyses
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
6+ YOE6+ years IT experience with 4+ years systems administration (or 8+ years with HS); advanced Linux and Windows server administration; VMware, scripting (Shell/Perl/PHP/PowerShell), patching, automation, and security hardening; ability to obtain Top Secret/SCI and DOD 8570 IAT II.
Active Directory, GPO, HPC, Nessus, Perl, PHP, PowerShell, RHEL, SQL, Shell, STIGs, VMware vSphere, vCenter, Windows Server 2022, Windows 11, Microsoft Office, Microsoft SharePoint, Microsoft WSUS, Microsoft SCCM, DNS, DHCP, VLANs, Omnissa Horizon
1mo
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IT Systems Engineer
Anaheim, California, United States
RemoteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBachelor's degree with 4+ years systems administration experience or 6+ years without degree; Linux administration required; experience with Veeam Backup & Replication and Veeam Recovery Orchestration; Microsoft Windows Server administration; must pass drug screen.
Linux, Veeam Backup & Replication, Veeam Recovery Orchestration, Microsoft Windows Server
2d
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Senior Engineer, AI Systems Test
Vista, California, United States
$130k-$140k/yr OnsiteFull Time
Danaher
DanaherNYSE: DHR: Develops scientific instruments and diagnostic tools for healthcare markets.
6+ YOEBachelor's in CS/CE or equivalent, 6+ years software testing/development experience, strong Python/PowerShell/JavaScript/R skills, EMR not mentioned, test automation and DevOps experience, knowledge of AI/ML model validation.
Python, PowerShell, JavaScript, R, Linux, Windows, PyTest, Selenium, Cypress, Postman, AWS, Azure, Docker, Kubernetes, CI/CD
1w
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Cloud Systems Engineer III
Santa Ana, California, United States
$123k-$135k/yr HybridFull Time
Orange County's Credit Union
Orange County's Credit Union: Member-owned financial institution providing banking and lending services.
2+ YOEExperience administering Windows and Linux servers, Microsoft Intune, plus 2+ years operating cloud infrastructure (AWS/Azure). Strong IaC, scripting, security, and troubleshooting skills required.
Microsoft Windows Server, Active Directory, Microsoft Intune, Azure Active Directory (Entra ID), AWS, Azure, Terraform, Bicep, ARM, CloudFormation, Ansible, Kubernetes, AKS, EKS, Python, PowerShell, Bash, Git, ExpressRoute, Direct Connect
2w
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Sr Information Security Systems Engineer
Irvine or Plano
$121k-$166k/yr OnsiteFull Time
loanDepot
loanDepotNYSE: LDI: Provides residential mortgage loans and home refinancing services.
5+ YOEHands-on Azure security engineering, vulnerability management, intrusion monitoring, networking, forensics, scripting, and experience with Windows/Linux and application security; bachelor’s degree and 5+ years experience; CISSP/GIAC/CRISC/CEH preferred.
Azure, VMs, Azure SQL Database, Azure Functions, Azure Networking, Veracode, SonarQube, SIEM, WAF, IPS, IDS, ML, AI, NBA, EUBA, CASB, Microsoft Office
1mo
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Senior Systems Engineer (Pre-Sales) - Northeast
Albany or Irvine
$80k-$150k/yr OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
3+ YOEPre-sales engineering experience designing and delivering networking solutions, strong routing/switching and enterprise Wi‑Fi skills, presentation and troubleshooting abilities, willingness to travel up to 50–60%.
Ekahau, Hamina, Python, Ansible, Linux, Docker, Kubernetes, NETCONF, REST, YANG, OpenConfig, gRPC, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, Microsoft Excel, CRM, Salesforce
3mo
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Computer Hardware Engineer
Poway, California, United States
$106k-$190k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOESenior-level engineering role requiring extensive experience with Linux systems, virtualization, cyber security hardening, scripting/automation, documentation skills, and ability to obtain DoD clearance; typically requires an engineering degree plus progressive experience.
Linux, VMware, KVM, Hyper-V, Docker, Nessus, SCAP, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, Microsoft Project
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Senior Service Engineer
Fountain Valley, California, United States
$80k-$100k/yr FieldFull Time
ChargeTronix
ChargeTronix: Manufactures and sells advanced electric vehicle charging station infrastructure.
5+ YOE5+ years field service engineering experience with EV chargers or power electronics, strong knowledge of AC/DC power systems, electrical troubleshooting, networking, Linux, firmware, and root cause analysis; bachelor\u0002s degree preferred.
Linux, OCCP, CPMS
1w
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Sr. BESS Operations Engineer
Teaneck or San Francisco or Irvine
OnsiteFull Time
Qcells
Qcells: Provider of solar modules, energy storage, and EPC services.
5+ YOEBachelor's or Master's in engineering,5+ years BESS/renewable/grid operations experience,knowledge of power systems,industrial protocols,Linux/SSH,Ansible,ability to apply LLMs/ML for automation and monitoring.
Modbus, CANbus, DNP3, TCP/IP, Linux, SSH, Ansible, Python, SCADA, Confluence, LLMs