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17 systems engineer intern jobs at 12 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
1w
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Quality Systems Engineer
San Diego, California, United States
$79k-$102k/yr OnsiteFull Time
Kyocera
KyoceraTokyo Stock Exchange: 6971: Manufactures advanced ceramic components and high-tech electronic equipment.
Experience auditing quality systems, internal controls, and process improvements; strong analytical, communication, and problem‑solving skills; ability to prepare reports and assess risks.
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1mo
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Senior Software Systems Project Engineer International Programs
Poway, California, United States
$106k-$190k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
9+ YOEEngineering degree or equivalent experience with progressive engineering background (9+ yrs BS / 7+ yrs MS / 4+ yrs PhD). Must be able to obtain DoD security clearance, lead software/systems engineering for UAS, manage integration, testing, CONOPs, and interface with government/international stakeholders.
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2mo
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Supply Chain Intern - Fluid Systems Division
Irvine, California, United States
$18-$31/hr OnsiteInternship, Full Time
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Pursuing bachelor's in Business, Supply Chain, or Industrial Systems Engineering; leadership experience; manufacturing interest; GPA 3.0+; geographic mobility.
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2mo
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Supply Chain Intern - Fluid Systems Division
Irvine, California, United States
$18-$31/hr OnsiteInternship
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Pursuing a bachelor’s degree in Business, Supply Chain or Industrial Systems Engineering; leadership experience; willingness to work in a manufacturing environment; GPA 3.0+ preferred; geographic mobility.
KPI dashboards, Data analysis, Excel
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System Engineer-Chassis
Ontario, California, United States
$85k-$125k/yr OnsiteFull Time
Hyundai Mobis
Hyundai MobisKorea Exchange: 012330: Designs and manufactures advanced automotive components and mobility systems.
Experience in vehicle dynamics, brake systems, ESC tuning, CAN/OBD II networks, calibration tools, and supporting domestic and international testing up to 50%. Bachelor's in engineering required.
CANape, CANoe, ATI Vision, CAN, OBD II
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1mo
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Project Engineer
Jurupa Valley, California, United States
$81k-$110k/yr OnsiteFull Time
Crane Company
Crane CompanyNYSE: CR: Manufactures engineered components for aerospace and industrial process markets.
3+ YOEBachelor's in engineering or 3+ years in piping/construction/mechanical engineering; knowledge of cryogenic systems, CAD/SOLIDWORKS, NFPA/ASME/CGA codes; project coordination, modeling, drafting; frequent domestic/international travel.
SOLIDWORKS, CAD software, Microsoft Office Suite, CRM, ERP
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2mo
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Validation Engineer I - CONTRACTOR
Aliso Viejo, California, United States
$58k-$77k/yr OnsiteContract
LG Electronics
LG ElectronicsKorea Exchange: 066570: Designs and manufactures consumer electronics and home appliances.
Bachelor of Science in Engineering or equivalent; travel up to 30% (domestic and international); experience with test benches, infotainment systems, defect tracking.
Test benches, Vehicle integration, Bug tracking, Infotainment systems, Diagnostic tools
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1mo
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Director, Mission Systems, Advanced Effects
Costa Mesa, California, United States
$220k-$292k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
10+ YOEActive U.S. Top Secret clearance, 10+ years in science/engineering, 5+ years payload integration, expertise in Radar/EO/IR/RF/EW, physics-based modeling, and experience managing subcontractors or internal teams.
Lattice OS, MATLAB, Python, C++, COMSOL, Ansys
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3w
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Quality, ISO and Environmental Engineer
Irvine, California, United States
$75k-$96k/yr OnsiteFull Time
SDC Technologies
SDC Technologies: Manufacturer of high-performance abrasion and chemical resistant coating systems.
4+ YOEBS in Engineering or Chemical Engineering, 4+ years relevant experience, experience with ISO-9001/ISO-14001, quality certifications, intermediate Microsoft Word/Excel, NCCA system experience, internal auditing and continuous improvement skills.
NCCA, Microsoft Word, Microsoft Excel
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1mo
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Software Engineering Intern, Connected Systems - Fall 2026
Irvine or Palo Alto
$38-$51/hr OnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle systems by combining expertise in connectivity, AI, and security.
Currently pursuing a Bachelor's or Master's in CS/CE/EE/ME or related; basic programming in Python and pytest; interest in automation/embedded systems; exposure to Git and CI/CD; strong communication and willingness to learn.
Python, pytest, C, C++, Git, CI/CD, Allure, Grafana, Parallax Cloud Platform
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3w
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ME Intern (El Cajon, CA, US)
El Cajon, California, United States
OnsiteInternship
GKN Aerospace
GKN AerospaceLondon Stock Exchange: MRO: Manufacturer of advanced systems and components for global aircraft.
Currently pursuing a degree in mechanical, electrical, or related engineering; must be eligible for ITAR/EAR work. Exposure to robotics programming, PLCs, FANUC/ABB controls and CAD preferred. Able to learn programming, test and document automation systems.
PLC, FANUC, ABB, CAD
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3mo
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Project Engineer - Mission Capabilities International Programs
Poway, California, United States
$116k-$209k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
7+ YOERequires advanced engineering background with progressive experience (typically 7+ years minimum), technical leadership in systems integration, experience with mission payloads and UAS, ability to obtain DoD Secret clearance, and export compliance knowledge.
OMS, FACE, STANAG, EVMS, A3I
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3mo
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Lead Engineer Data Coordinator (Engineering Services Supervisor) - Fluid Systems Division
Irvine, California, United States
$100k-$159k/yr OnsiteFull Time
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
10+ YOE2+ MgmtBachelor’s in Business Administration or Engineering Management; 10+ years experience, including 2+ years leading teams or projects; domestic and international travel; advanced degree preferred.
Databases, Spreadsheets, Program management software
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1mo
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Quality Engineer
Lake Forest, California, United States
$35-$60/hr OnsiteFull Time
Dynacast
Dynacast: Global manufacturer of precision engineered metal components.
3+ YOE3+ years quality engineering experience or Bachelor's degree; knowledge of quality systems, SPC/MSA/Cpk/Ppk/DOE, internal audits (LPAs), root-cause problem solving, and Microsoft Office; IATF 16949/ISO 14001 and bilingual (EN/ES) preferred.
Microsoft Office, SPC, MSA, Cpk, Ppk, DOE, Layered Process Audits (LPAs), IATF 16949, ISO 14001
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Aviation Maintenance Engineer
Costa Mesa, California, United States
$47-$59/hr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years rotorcraft experience,today FAA A&P required,ability to troubleshoot mechanical and electronic systems,computer proficiency,and willingness to travel domestic and international.
multimeter, oscilloscope, network analyzer, test rack, standard browser, word processing applications
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1mo
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Technical Program Management Intern (Bachelor's)
Irvine, California, United States
$38-$45/hr HybridFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle systems and integrating hardware and software for electric vehicles.
Currently enrolled in a US Bachelor's or Master's program; proficiency in C, C++, and/or Python; experience with Software Development Lifecycle; familiarity with systems engineering, test/validation, and Jira preferred.
C, C++, Python, Software Development Lifecycle, Jira, Agile, Waterfall
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1mo
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Technical Writer - Product Development (Dental Devices)
Irvine, California, United States
$30-$43/hr OnsiteFull Time
Glidewell
Glidewell: Designs and manufactures custom dental restorations and laboratory products.
4+ YOEBachelor's degree in engineering or science; 4+ years direct documentation in medical device/technical industry; knowledge of 21 CFR 820 and US/international regulations for documentation; experience with regulatory submissions and quality systems.
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