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1,099 system engineer jobs at 312 companies in Temecula, 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
5d
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System Engineer
Irvine, California, United States
$145k-$175k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
7+ years systems engineering experience on space/radar/avionics, bachelor in relevant engineering, systems architect experience, FMEA/reliability, requirements decomposition, radar/RF knowledge, system budgets and V&V experience.
FPGA, real-time OS, SpaceWire, MIL-STD-1553, CAN, SPI, LVDS, NPR 7123, DO-178, DO-330
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2mo
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Sr. System Engineer
Redondo Beach or Costa Mesa
OnsiteFull Time
T2 Group
T2 Group: Provides IT consulting and workforce solutions for healthcare organizations.
5+ YOE5+ years systems/endpoint engineering experience; hands-on administration of Microsoft 365, Entra ID, Intune, Okta, AWS, and Windows; strong troubleshooting, documentation, and security remediation skills; must be able to work onsite in Costa Mesa.
Microsoft 365, Entra ID, Intune, Okta, AWS, Windows 10, Windows 11
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1mo
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Power System Engineer
Irvine, California, United States
$65k-$108k/yr HybridFull Time
ETAP
ETAP: Electrical power system modeling and analysis software solutions.
Power system engineering expertise, proficiency in Python, familiarity with power system analysis (load flow, short-circuit, protection, stability), test case development, troubleshooting, and experience with ETAP and data workflows.
ETAP, Python, SQLite, SQL
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1mo
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Senior System Safety Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years system safety engineering experience, BS in engineering, expertise with MIL-STD-882E, safety analyses (FHA, FTA, SCFTA, FMECA), requirements decomposition, failure investigation, and eligibility to obtain a U.S. security clearance.
Lattice OS, Relyence, Teamcenter, JIRA, JAMA, Cameo, Ansys
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2w
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System Test Engineer /Principal System Test Engineer
San Diego or Rancho Bernardo
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEActive Top Secret clearance required, ability to obtain SAP, BS in a STEM field (or MS/PhD alternatives) with 2–5+ years depending on level, experience with system test/SW development, Python scripting, Windows/Linux and VMs, and SDLC/Agile.
Python, Windows, Linux, Virtual Machines (VMs), IBM Rational DOORS, IBM Rational ClearQuest, JIRA, Git, Confluence, Java, C++
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3mo
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Sr. System Safety Engineer
Duluth or Carlsbad or Tempe
$142k-$224k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
10+ YOEBachelor’s in a STEM field or equivalent experience; 10 years in system safety or related engineering; knowledge of MIL-STD-882E and hazard analysis; ability to read drawings and documentation; strong writing/communication; travel up to 25%; US citizenship required.
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2mo
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System Test Engineer
Poway, California, United States
$98k-$171k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
6+ YOERequires engineering degree or equivalent experience, test & integration experience for manned/unmanned aircraft, DoD test experience desired, ability to obtain/maintain DoD Secret clearance, and willingness to travel up to 25%.
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Staff OBD System Development Engineer
Irvine, California, United States
$171k-$214k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle systems and diagnostics for electric vehicles.
8+ YOEBS in engineering, 8+ years engineering experience, OBD II and diagnostic standards knowledge, requirements and systems engineering experience, EV architecture understanding, troubleshooting and integration skills.
C, Python, Gitlab, CAN, CANFD, ETH, LIN, UART, SENT, ISO-14229-x, SAE J1979-x, ISO-15031, ISO 15765-x, ISO 13400-x, SAE J2012, SAE J1979, SAE J1930, SAE J1962, SAE J1978
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Senior Application/System Engineer
Carlsbad, California, United States
$125k-$150k/yr OnsiteFull Time
Nordson
NordsonNasdaq: NDSN: Manufactures precision dispensing and fluid management equipment for industry.
7+ YOEBS/MS degree and 7+ years experience; expertise in troubleshooting, statistical analysis, PLC and National Instruments testing, vision systems, robotics or precision dispensing; strong communication and project skills.
PLC, National Instruments, vision systems
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1mo
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System Engineer- Cyber Security Engineering Focus
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
8+ YOE8+ years in RMF/A&A, vulnerability scanning, system hardening for Linux/Windows, experience with RMF tools (XACTA/eMASS), DoD 8570 certification, active Top Secret/SCI clearance, and a relevant bachelor's degree.
RMF, XACTA, eMASS, ACAS, IAVM, STIGs, Red Hat, CentOS, Windows, Python, Java, React, Jira, Confluence, NIST SP 800-53, CNSSI 1253, NIST SP 800-171
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Senior Electrical Engineer - System Architect
Irvine, California, United States
$150k-$210k/yr OnsiteFull Time
DZYNE Technologies
DZYNE Technologies: Developer and manufacturer of autonomous airborne defense systems.
7+ YOE7+ years experience in electrical/system architecture for UAS or airborne platforms, bachelor’s in engineering, PCB/Altium experience, SMPS and high-speed circuit design, ICDs and subsystem requirements, export-control eligibility.
Altium
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3d
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Architecture and System Design Engineer
Irvine, California, United States
$124k-$165k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
5+ YOEMaster's (or Ph.D.) in Electrical Engineering, extensive electronics system architecture experience, C/C++/Python and FPGA proficiency, PCB and signal integrity expertise, leadership and mentoring experience.
C, C++, Python, FPGA, CAD tools, Gerber
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1d
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System Development & Test Engineer
Poway, California, United States
$63k-$106k/yr HybridFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
0+ YOEBachelor's in engineering or equivalent experience, Test & Integration experience desired, ability to obtain DoD security clearance, EIT desirable, able to travel up to 25% and work extended hours.
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1w
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V and V Engineer System Verification Engineer
Irvine, California, United States
$120k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years in aerospace embedded system/software testing, scripting for test automation, experience with flight controls/avionics, DO-178b/ARP-4754A knowledge, and tools like DOORS, SVN or MKS.
DOORS, SVN, MKS, A429, CAN, DO-178b, ARP-4754A
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1mo
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IT System Security Engineer
Irvine, California, United States
$110k-$130k/yr OnsiteFull Time
Acra Lending: Provides specialized non-qualified mortgage and alternative income loan products.
7+ YOE7+ years systems engineering experience focused on security; hands-on Microsoft security stack, SIEM, endpoint, identity, network security; scripting with PowerShell or Python; experience with compliance frameworks and threat hunting.
Microsoft Defender for Endpoint, Microsoft Defender for Office 365, Microsoft Sentinel, Microsoft Purview, Microsoft Entra ID Protection, Microsoft Intune, Microsoft Azure AD, Microsoft Active Directory, Windows Server, Okta, SIEM, Splunk, QRadar, PowerShell, Python, Azure Logic Apps
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2mo
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System Integration Engineer - Viasat Government
Carlsbad, California, United States
$121k-$225k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
4+ YOE4+ years in RF comms integration; DoD clearance; associate degree or technical experience; strong documentation and testing skills.
RF systems, Linux, IP networks, Routers, Switches, Firewalls, HAIPE, Python
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1mo
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Vehicle Power Battery System Engineer
Riverside, California, United States
$95k-$115k/yr OnsiteFull Time
ENC
ENC: Manufacturer of heavy-duty transit buses and shuttle vehicles.
3+ YOE3+ years in Battery/Automotive/Aerospace related fields; bachelor's degree in engineering; knowledge of battery behavior, high-voltage safety, and BMS; on-site work in Riverside; experience with vehicle bus diagnostics.
Battery management system (BMS), HV battery, Vehicle diagnostic tools, Vehicle communication bus diagnostics
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3w
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Senior Staff/Principal Engineer, Communication System Design
Irvine, California, United States
$188k-$356k/yr OnsiteFull Time
MediaTek
MediaTekTaiwan Stock Exchange: 2454: Designs and develops system-on-chip solutions for electronic devices.
6+ YOEDoctorate-level candidate with 6+ years experience, strong theoretical analysis and algorithm design for communication systems, C/C++ proficiency, physical-layer simulation, RF/OFDM knowledge, and system bring-up/debug skills.
C, C++
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1w
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Lead Systems and RF System Engineer
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad or Atlanta
$160k-$220k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
10+ YOEBS in EE/Applied Math/Physics,10+ years RF systems experience, ability to obtain U.S. security clearance, RF design, integration, test, requirements and verification experience.
MATLAB, Python, ANSYS HFSS, Sonnet, C/C++
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2mo
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2026 Early Career System Hardware Design Engineer
Irvine, California, United States
$100k-$120k/yr OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
0+ YOEBachelor's or Master's in EE/Computer Engineering, 0-2 years relevant hardware experience, foundation in circuit theory, hands-on schematic/PCB and prototype debugging, lab equipment use, and US work authorization without sponsorship.
Altium Designer, Cadence Allegro, OrCAD, oscilloscopes, multimeters, power supplies, spectrum analyzers, vector network analyzers, signal generators, logic analyzers
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