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53 entry computer science jobs at 35 companies in Temecula, CA

1mo
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60% Computer Science Teacher - El Toro High School, 2026-2027 School Year
Mission Viejo or Lake Forest or Orange County
$65k-$136k/yr OnsitePart Time
Saddleback Valley Unified School District
Saddleback Valley Unified School District: Public school district providing K-12 education and student support services
Requires a valid California Single Subject Computer Science Credential OR Career Technical Education (Information and Communication Technologies) Credential; attach supporting documents for consideration.
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2w
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Computer Operator I
Camp Pendleton North, California, United States
$27/hr OnsiteFull Time
Katmai Government Services
Katmai Government Services: Provides professional and technical services to federal government agencies.
2+ YOEMinimum two years data entry on simulation & training systems, associate degree in applied science (or equivalent experience), skilled alphanumeric keyboarding, ability to obtain security access/background checks, and valid driver’s license or ability to attain one.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint
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1mo
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Adjunct Faculty, Computer Science
Irvine, California, United States
$25/hr OnsitePart Time
Concordia University Irvine
Concordia University Irvine: Private Lutheran university offering undergraduate and graduate degree programs.
Must demonstrate Christian faith and teaching excellence; hold a master\u0002s or doctorate in a relevant field; ability to teach undergraduate computer science courses and advise students.
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3mo
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Computer Science - Graduate Assistant Pool
Fullerton, California, United States
$3k-$6k/mo OnsiteTemporary, Part Time
California State University
California State University: Public university system providing higher education and academic research.
Currently enrolled CS graduate student; BS in CS or related field; minimum 3.0 GPA; 20 hours per week.
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Specialists Series Open Rank in Computer Science 2026-2027
Irvine, California, United States
$57k-$202k/yr OnsiteFull Time, Part Time
University of California
University of California: A public research university system providing education and healthcare.
B.S., M.S. or Ph.D. in Computer Science or related field required at time of application; candidates expected to contribute to specialized research and university service; references required.
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1d
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Orange County School of Computer Sciences at Bernardo Yorba (OCSCS)- Middle School DLA Science Teacher #142
Placentia, California, United States
$63k-$138k/yr OnsiteFull Time
Placentia-Yorba Linda Unified School District
Placentia-Yorba Linda Unified School District: Provides public K-12 education and student support services.
Benefited middle school teaching position; incomplete applications will not be considered; at least three references required; placement on teacher salary schedule; starting salary range provided.
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1w
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Social Science Teacher #12035
Colton, California, United States
OnsiteFull Time
Colton Joint Unified School District
Colton Joint Unified School District: Public school district providing K-12 education in San Bernardino County.
Valid California teaching credential with English learner authorization, ability to plan and deliver lessons, classroom management, computer literacy, valid CA driver's license, negative TB test, and successful criminal background clearance.
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2w
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Computational & Data Science Research Spec. 2 or 3 - 139471
San Diego, California, United States
$88k-$182k/yr OnsiteFull Time
University of California, San Diego
University of California, San Diego: A public research university providing higher education and healthcare.
2+ YOEBachelor's in CS/Data Science required; 2+ years relevant experience (2-5 yrs typical); strong AI, systems, algorithms, and software engineering skills; Python, cloud, React, HPC experience preferred.
Python, React, cloud computing, HPC, LLM
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2d
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Instructional Assistant (Dual Immersion Program Spanish Required) (6HRS) Jordan Academy of Language and Computer Science (OPEN TO OUSD EMPLOYEES ONLY)
Orange, California, United States
OnsitePart Time
Orange Unified School District
Orange Unified School District: Public school district providing K-12 education in Orange County.
Open to OUSD employees only; permanent or probationary employees with six months/130 days service may apply. High school diploma/GED, ability to pass district proficiency exam or possess 48 transferable college units/AA/BA; DOJ/FBI background check required.
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IT Technician
San Marcos, California, United States
$20-$22/hr OnsiteFull Time
Sumitomo Electric
Sumitomo ElectricTokyo Stock Exchange: 5802: Manufacturer of electrical wires, cables, and automotive wiring harnesses.
Provide IT helpdesk support including resolving hardware/software issues, installing and configuring devices, managing equipment inventory, and assisting on IT projects. BS in Computer Science/IT required; strong attention to detail and communication skills.
servers, UPS, routers, switches, computers, monitors, phones, mobile devices
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3w
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Assistant, Statistical Research Programmer PT, Limited Term
Orange, California, United States
$30/hr OnsitePart Time
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
1+ YOEBachelor's in statistics/biostatistics/data science/computer science or related; 1+ year statistical programming with Python, SAS, or R; strong statistical methods, problem-solving, teamwork, and communication.
Python, SAS, R, ArcGIS, SaTScan, IQVIA
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2w
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Engineer Embedded System Engineering
Irvine, California, United States
$78k-$103k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
BS or MS in Electrical Engineering, Computer Science, or Computer Engineering; hardware debug and failure triage experience; proficiency with C++, TCL, Python; strong problem solving and communication skills.
C++, TCL, Python, oscilloscopes, signal generators, logic analyzers, bus analyzers, GHS Probe, Serial Debugger, Event Trace Logging (ETL)
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1d
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IoT Engineer
Juno Beach or Tampa or Minneapolis or Saint Paul or Chicago or Houston or New York City or Alpharetta or Auburn Hills or Dearborn or Lake Forest
$65k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Bachelor's in engineering or computer science, programming in C/C++/C#/Java/Python, familiarity with IoT/cloud platforms and relational databases, strong problem-solving and communication skills.
C, C++, C#, Java, Python, Azure, Google, AWS, SQL, MySQL, Vibe Coding, CoPilot, Claud, Codex
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1d
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IoT Engineer
Juno Beach or Tampa or Minneapolis or Saint Paul or Chicago or Houston or New York City or Alpharetta or Auburn Hills or Dearborn or Lake Forest
$65k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Bachelor's in engineering/computer science, programming in C/C++/C#/Java/Python, familiarity with OOP, cloud platforms, SQL/MySQL, troubleshooting and IoT production support skills.
C, C++, C#, Java, Python, Azure, Google, AWS, SQL, MySQL, Vibe Coding, CoPilot, Claud, Codex
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5d
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Associate SW Engineer II
Lake Forest, California, United States
$85k-$95k/yr OnsiteFull Time
Toshiba America Business Solutions
Toshiba America Business Solutions: Provides office imaging, digital signage, and document management solutions.
1+ YOEBachelor's in Computer Science or equivalent,1+ year software development experience,proficiency in C#,Java,Python,SQL and ASP.net,knowledge of algorithms,data structures,and Agile SDLC.
C#, Java, Python, SQL, ASP.net
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3w
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(Senior) Developer (w/m): Hana Datenbank Portierung – SL Tools (Riverside, CA, US)
Riverside, California, United States
OnsiteFull Time
SAP
SAPFrankfurt Stock Exchange: SAP: Developer of enterprise business software and cloud applications.
Bachelor's degree in computer science, engineering, mathematics or related field; experience with C, Java, Pearl, Python; database knowledge; fluent German and English; teamwork and communication skills.
C, Java, Pearl, Python, SAP HANA, SAP SUM, SWPM, SWDC, Unix, Linux
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1mo
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Firmware Engineer
Lake Forest, California, United States
$82k-$129k/yr HybridFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
2+ YOEBS/MS in Computer Science or Computer Engineering, 2+ years embedded firmware development experience, C/C++ and microcontroller experience, knowledge of IoT protocols (Wi‑Fi, BLE, Zigbee, Z-Wave, Thread, Matter), debugging and hardware bring-up skills.
C, C++, I2C, SPI, UART, Wi-Fi, Bluetooth Low Energy (BLE), Zigbee, Z-Wave, Thread, Matter, Aliro, RTOS, Jira, Confluence
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4w
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Business Systems Analyst I
Irvine, California, United States
$33-$37/hr OnsiteFull Time
Glidewell
Glidewell: Designs and manufactures custom dental restorations and laboratory products.
2+ YOEBachelor's in Computer Science or Engineering required; 2+ years in applications support/QA/software development; experience with Agile/Scrum, testing, automated test cases, deployments, and user support.
Agile, Scrum, TDD, continuous integration, continuous deployment
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2w
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Hospital Lab Technician II- Surgical Pathology Orange- FT Day Shift
Orange, California, United States
$31-$38/hr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
2+ YOETwo years applicable experience and minimum 16 college-level science and algebra units; ability to process and stain cytology/histology specimens; knowledge of medical computer systems preferred.
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2mo
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PHLEBOTOMIST
Corona, California, United States
$22-$33/hr OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
Associate degree in Science or MLT preferred; California CPT license required; BCLS CPR; CA driver license and vehicle insurance; typing and lab computer systems knowledge preferred.
Laboratory information system, Phlebotomy equipment
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