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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
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
3mo
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Linux Systems Engineer
Pomona, California, United States
$96k-$127k/yr OnsiteFull Time
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
3mo
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Linux Systems Engineer
Pomona, California, United States
$127k/yr OnsiteFull Time
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
1mo
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Senior Linux Platform Engineer - Santa Clara
Santa Clara or Irvine
$65k-$150k/yr HybridFull Time
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
1mo
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Spacecraft Systems Engineer
Irvine, California, United States
$100k-$140k/yr OnsiteFull Time
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
3w
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Senior Service Engineer
Irvine, California, United States
$80k-$100k/yr FieldFull Time
5+ YOE5+ years field service engineering experience with EV chargers or power electronics; strong AC/DC power, electrical troubleshooting, networking; Linux and firmware experience preferred; bachelor's degree in engineering preferred; root cause analysis skills.
Linux, CPMS, OCCP
1d
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Senior Infrastructure Engineer
Brea, California, United States
$112k-$120k/yr HybridFull Time
8+ YOEBachelor's or equivalent,8+ years in infrastructure engineering, experience with hybrid on‑prem/cloud, virtualization, enterprise storage, AWS, Active Directory, Microsoft 365, identity and access, networking, backups, and Linux/Unix/macOS.
VMware vSphere, Omnissa Horizon, Hyper-V, Azure, AVD, Dell Unity, PowerScale, Isilon, PowerStore, AWS access portal, AWS IAM Identity Center, AWS Control Tower, Microsoft Active Directory, Windows Server, DNS, DHCP, Microsoft Exchange, Microsoft 365, Office 365, Azure AD, Entra ID, SSO, MFA, Cisco CLI, Veeam, Cohesity, Linux, Unix, macOS, Intune, MDM
1mo
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Senior Security Engineer
Milpitas or Irvine
$131k-$218k/yr HybridFull Time
5+ YOE5–10+ years in security engineering; SOC tooling ownership; strong scripting (PowerShell, Python); Windows/Linux internals; malware analysis; MITRE ATT&CK knowledge.
EDR/XDR, CrowdStrike, Microsoft Defender for Endpoint, SentinelOne, PowerShell, Python, Windows, Linux
3mo
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Test Engineer - Secret Clearance Required
March Air Reserve Base, California, United States
$94k-$157k/yr OnsiteFull Time
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
2mo
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Principal Emulation Engineer
Santa Clara or Irvine
$159k-$238k/yr OnsiteFull Time
10+ YOEBS in Computer/Electrical Engineering or CS with 10+ years in verification and firmware/software; MS/PhD with 5+ years; SystemVerilog/UVM; scripting (Python/Perl); Linux; C++ and ARM assembly; networking knowledge a plus.
SystemVerilog, UVM, Python, Perl, Tcl, Shell, C++, ARM, Linux
6d
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Sr. BESS Operations Engineer
Teaneck or San Francisco or Irvine
OnsiteFull Time
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
2d
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Embedded Systems Engineer, Humanoid Robotics
Irvine, California, United States
$135k-$185k/yr OnsiteFull Time
3+ YOE3+ years embedded systems experience; BS/MS/PhD in computer/electrical engineering or robotics; proficient in C++ and Python; experience with firmware, BSP, Linux kernel, drivers, and sensor integration.
C++, Python, CUDA, TensorRT, ROS, ROS2, DDS, Linux, Jetson, PREEMPT_RT, Ethernet, CAN, CAN-FD, GMSL, SPI, I2C, UART, USB, PCIe, PTP, PPS, LiDAR, IMU
5h
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Research Engineer
Palomar Mountain, California, United States
$80k-$113k/yr OnsiteFull Time
Undergraduate STEM degree required, proficiency with Windows/Linux, scripting (Python, MATLAB, IRAF), ability to lift 50 lbs, valid driver's license, work safely at altitude and in confined/elevated environments.
Windows, Linux, Python, MATLAB, IRAF, C
1mo
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Senior Systems Engineer (Network Test), Intelligence Systems
Santa Ana, California, United States
$166k-$220k/yr OnsiteFull Time
7+ YOE7+ years in network testing/engineering; hands-on Cisco experience; CCNA/CCNP; Linux/Unix admin; proficiency with Wireshark, tcpdump, iperf; strong technical writing; active U.S. Secret clearance required.
Lattice OS, Cisco, Wireshark, tcpdump, iperf, Linux, Unix, Python, Bash, Go, Jenkins, GitLab CI, Ansible, Docker, Kubernetes, JIRA, Confluence, JAMA
3w
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Principal Embedded Software Engineer
Irvine, California, United States
$180k-$220k/yr OnsiteFull Time
8+ YOEBachelor's in EE/CS, 8+ years embedded software experience, expertise in embedded Linux on ARM, C programming, Linux kernel driver development; U.S. citizenship required; background check and drug test contingent.
C, Linux, Linux kernel, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip PolarFire SoC, UltraScale+, IPsec, Internet/Ethernet, socket programming, NIST FIPS 140-3, NIAP Common Criteria, MANET, MN-MIMO
2mo
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Electronic/Electrical Engineer
Fullerton, California, United States
$120k-$180k/yr OnsiteFull Time
3+ YOE3+ years in electrical/electronic system design; high voltage DC 1500V+; KiCAD; CAN, Ethernet, ModBus, I2C, SPI; STM32; harsh environments; Linux; wire harness; EMC/EMI.
KiCAD, CAN Bus, Ethernet, ModBus, I2C, SPI, STM32, Linux
4w
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Senior Cloud Reliability Engineer
Irvine or Los Angeles
$150k-$180k/yr OnsiteFull Time
5+ YOE5+ years in SRE/DevOps, Linux admin, cloud (AWS/Google), serverless, Docker/Kubernetes, Terraform, GitHub Actions, Python or GoLang, SQL and BigQuery; participate in on-call rotation.
Linux, AWS, Google, AWS Lambda, Google Cloud Functions, Docker, Kubernetes, Terraform, GitHub Actions, Python, GoLang, SQL, Google BigQuery
21h
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Principal SSD Systems Engineer
Rancho Santa Margarita, California, United States
$170k-$190k/yr OnsiteFull Time
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
1mo
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Cloud Operations Engineer - Infrastructure
Irvine, California, United States
OnsiteFull Time
2+ YOEBachelor's degree, 2+ years cloud infrastructure/Kubernetes or SRE experience; strong AWS, Kubernetes, Linux, Terraform, GitOps, CI/CD, Go/Python skills; willingness to join on-call rotation.
Terraform, Kubernetes, CRDs, Helm, HPA, Cluster Autoscaler, CoreDNS, Cluster API, FluxCD, ArgoCD, Istio, AWS EKS, AWS IAM, AWS VPC, AWS EC2, AWS S3, GitOps, Linux, systemd, Go, Python, NVIDIA device plugin
2w
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Applications Engineer-I
Irvine or Los Angeles
$75k-$95k/yr HybridFull Time
Bachelors in electrical engineering or related field, proficiency with RF test instruments, ability to travel up to 25%, U.S. Person required, background check and drug test contingent.
spectrum analyzers, multimeter, signal generator, TCP/IP, Linux, Python, C/C++
4w
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Senior System Engineer – ArcGIS (Mission-Focused)
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
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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