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173 linux system engineer jobs at 79 companies in Fontana, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Linux Systems Engineer
Pomona, California, United States
$127k/yr OnsiteFull Time
LERETA
LERETA: Provides real estate tax and flood service solutions for lenders.
10+ YOE10+ years Linux systems engineering with RHEL/Ubuntu, Azure IaaS/PaaS, networking (DNS/DHCP, routing, VLANs, SSL/TLS), F5/HAProxy, C/Python development, system hardening, observability, and incident RCA.
RHEL, Ubuntu, F5 BIG-IP, LTM, GTM, iRules, HAProxy, Microsoft Azure, Azure Load Balancer, Azure Firewall, VNets, NSGs, UDRs, C, Python, CI, SELinux, auditd, SSL/TLS, DNS/DHCP
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3mo
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Linux Systems Engineer
Pomona, California, United States
$96k-$127k/yr OnsiteFull Time
LERETA
LERETA: Provides real estate tax and flood services for mortgage lenders.
10+ YOE10+ years Linux systems engineering; Azure and on-prem; Linux hardening; scripting in Python/C; F5 BIG-IP/HAProxy; networking; security.
Linux (RHEL/Ubuntu), Azure, F5 BIG-IP, HAProxy, Python, C, CI, SELinux, auditd
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1mo
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Senior System Engineer – ArcGIS (Mission-Focused)
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
12+ YOE12+ years experience designing/implementing enterprise ArcGIS or comparable systems; Windows/Linux administration; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; familiarity with networking; US citizenship with active Top Secret/SCI clearance; Bachelor's degree in CS/Math/GIS/STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, Javascript, C#, Windows, Linux, SQL Server, Oracle, PostgreSQL
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1mo
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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
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1mo
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Controls System Engineer
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOE4+ years in controls/OT and on-premise systems; proficiency with Ignition SCADA, OT networking (MQTT, OPC UA, TCP/IP), PLCs (Allen-Bradley/Siemens); scripting in PowerShell/Python/Bash; able to work second shift; must be a U.S. Person.
Ignition, Ignition Perspective, Tag Historian, Alarm Notification, SQL Bridge, MQTT Engine, MQTT Distributor, MQTT Transmission, MQTT, OPC UA, TCP/IP, Allen-Bradley, Siemens, PowerShell, Python, Bash, Windows, Linux, MES, QMS, SQL
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1mo
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10846 - Private Cloud System Engineer
Irvine, California, United States
OnsiteFull Time
Hyundai AutoEver America
Hyundai AutoEver AmericaKorea Exchange: 307950: Provides automotive software and IT services for mobility systems.
Bachelor's degree or equivalent experience; proven system engineer experience in enterprise/data center environments; hands-on Linux, virtualization, OpenStack, automation, monitoring, troubleshooting, and strong communication skills.
OpenStack, Linux, VMware, Hyper-V, KVM, Kubernetes, Ansible, Terraform, Prometheus, Grafana, ELK Stack
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2mo
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Senior System Test & Automation Engineer
Los Angeles, California, United States
$130k-$180k/yr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
5+ YOEBachelor's in Electrical/Computer Engineering or related field; 5 years embedded firmware and testing or 3 years with advanced degree; experience with embedded Linux, C/C++, Python; US citizen for government contracts.
Embedded Linux, C++, C, Python, Scripting, Lab instruments, Signal generators, Spectrum analyzers, Logic analyzers
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4w
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Robotics Engineer, Humanoid System Integration
Irvine, California, United States
OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Hands-on experience integrating humanoid hardware and software, strong C++ and Python on Linux, ROS/ROS2 experience, hardware bring-up, diagnostics, and test development; MS/PhD preferred (BS considered).
C++, Python, Linux, ROS, ROS2
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1mo
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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
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1mo
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Systems Engineer (Esports)
Los Angeles, California, United States
$149k-$208k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
5+ YOE5+ years in systems/support/infrastructure engineering; experience with Ansible, Terraform, Jenkins, virtualization, containerization, imaging/deployment tools, Linux/Windows, scripting, Git, and cloud platforms; able to reduce operational toil and support global events.
Ansible, Terraform, Jenkins, VMware, Hyper-V, Proxmox, AHV, Docker, FOG, SCCM, Autopilot, Linux, Windows, PowerShell, Bash, Git, AWS, Azure
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1w
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Deployed Engineer
Los Angeles, California, United States
$120k-$160k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
Bachelor's in a technical field, strong software engineering background, experience troubleshooting lab/integration/field systems, familiarity with Linux/Python/C/C++, ability to read technical documentation, and willingness to travel to customer sites.
Linux, Python, C/C++, Networking, test automation, APIs
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1w
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
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3mo
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Test Engineer - Secret Clearance Required
March Air Reserve Base, California, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
3+ YOESecret clearance required; Bachelor's degree; 3-5 years in system or test engineering; Linux, networks, and databases experience; government/C4I testing experience preferred.
Linux, PostgreSQL, Oracle, Jira, Test automation, Scripting
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1mo
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Technical Operations Engineer
El Segundo or Los Angeles
$140k-$190k/yr FieldFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Degree in engineering/CS/physics or equivalent experience; strong Linux, networking, hardware integration, and scripting (Python/Bash) skills; systems debugging and field deployments; willingness to travel (~50%).
Linux, SSH, Python, Bash, Docker, Azure, AWS, SDRs
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3w
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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
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3d
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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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2w
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Senior Software Systems Engineer
Boston or Los Angeles or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's degree and 10+ years systems engineering experience; strong programming (Python, C++, Java, JavaScript), Linux/Windows Server, networking, V&V knowledge, MS Excel/DOORS, ability to obtain U.S. government security clearance; U.S. person required.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, Microsoft Excel, DOORS, AWS, Azure, GCP, Ansible, Docker, Kubernetes, SysML, Model-Based Systems Engineering (MBSE), Large Language Models
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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
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1mo
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Senior Systems Engineer
Barcelona or Buenos Aires or Lima or Rio de Janeiro or London or Paris or New Jersey or Oslo or Los Angeles or Singapore or Tokyo or Manila or Bangkok or Lagos
OnsiteFull Time
BMAT
BMAT: Indexes music usage and ownership data for the industry.
5+ YOE5+ years IT systems administration; Linux OS, Python 3 or BASH, Puppet/Ansible, Terraform, OpenVPN/IPsec, SSH/SSL, TCP/IP, DNS, HTTP and SQL; SaaS/cloud management; strong communication and English fluency.
Linux, Python 3, BASH, Puppet, Ansible, Terraform, OpenVPN, IPsec, SSH, SSL, SQL, DNS, HTTP, TCP/IP
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1mo
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Senior Product Security Engineer
Huntington Beach, California, United States
$150k-$175k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
5+ YOE5+ years in product/application/security engineering; programming in Python, C/C++, Rust, or Go; experience with embedded systems, Linux, APIs, CI/CD, and security frameworks (NIST); eligible for U.S. Secret clearance.
Python, C/C++, Rust, Go, Linux, CI/CD, NIST, Terraform, FPGA, GPU
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