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563 engineering applications engineer jobs at 321 companies in Fairfield, CA

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Applications Engineer
Petaluma, California, United States
$110k-$130k/yr OnsiteFull Time
ProMach
ProMach: Designs, manufactures, and integrates comprehensive packaging and processing solutions.
5+ YOEBachelor's degree in engineering or computer science, five years of relevant experience, engineering and programming expertise, industrial design systems proficiency, and strong communication skills required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Salesforce CRM, AutoCAD
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3mo
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Applications Engineer
San Francisco, California, United States
HybridFull Time
Elve
Elve: Manufactures high-efficiency power amplifiers for high-speed wireless networks.
6+ YOERF/microwave engineering background; systems engineering; problem-solving; strong communication; prioritization in fast-paced environment; 6+ years experience; US export controls eligibility.
RF engineering, Electrical engineering
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Applications Engineer
Fremont, California, United States
$115k-$130k/yr OnsiteFull Time
Velo3D
Velo3DNASDAQ: VELO: Manufacturer of advanced metal 3D printers and software.
3+ YOEBachelor's in engineering or materials, 3+ years engineering experience, customer-facing background, CAD expertise, metal additive manufacturing experience, ability to lift 50 lbs, and 10-20% travel.
Flow, Flow Developer, Assure, Sapphire, SolidWorks, Siemens NX, AutoCAD, CATIA, CNC
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Engineer, Applications - Data Center
Maumee or San Francisco or Northern California
$120k-$140k/yr RemoteFull Time
Danfoss
Danfoss: Engineers energy-efficient solutions for refrigeration, heating, and hydraulics.
5+ YOERequires 5+ years in applications, product, or field engineering, preferably in data centers, cooling, thermal management, or fluid conveyance, plus specification and technical presentation skills.
Salesforce, SAP, Teamcenter
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University Applications Engineer
United States or Canada or San Francisco or Chicago or United States
$70k-$90k/yr FieldFull Time
Fictiv: On-demand manufacturing platform for custom mechanical components.
2+ YOEBachelor's in mechanical engineering or related,2+ years application/technical sales or design experience,proficiency with SolidWorks or Inventor,CAD experience,strong presentation and interpersonal skills.
SolidWorks, Inventor
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Field Applications Engineer
San Francisco, California, United States
$160k-$195k/yr FieldFull Time
Syntiant
Syntiant: Provides ultra-low-power AI processors and software for edge devices
8+ YOE8+ years customer-facing applications engineering experience, embedded systems background, ability to troubleshoot hardware/software, lead demos, and communicate technical tradeoffs; Bachelor\u0002s degree preferred.
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Applications Engineer, Transformers
United States or Houston or San Francisco or Long Beach
HybridFull Time
Giga Energy
Giga Energy: Manufactures electrical infrastructure and operates modular AI data centers.
5+ YOEBachelor's in engineering,5+ years experience with medium/high-voltage transformers in North America,ability to assess technical bid documents,occasional travel and on-call availability.
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Applications Engineer
San Francisco, California, United States
OnsiteFull Time
Radical Numerics
Radical Numerics: Building general biological intelligence models for scientific discovery.
Experience building full-stack tools for genomics data (Python, TypeScript, React), familiarity with VCFs and variant annotation, strong communication and partner-facing skills, ability to ship prototypes quickly.
Python, TypeScript, React, VCF
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3mo
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Applications Engineer
Fremont, California, United States
OnsiteFull Time
Aehr Test Systems
Aehr Test SystemsNASDAQ: AEHR: Provider of semiconductor test and burn-in systems.
10+ YOEBSEE with 10+ years industry experience; strong device test knowledge (DFT, ATPG, JTAG, BIST); proficiency in Java, Visual Basic, C++, Linux; experience with ATE/Prober/WLBI; customer-facing troubleshooting and training skills.
Java, Visual Basic, C++, Linux, ATE, Prober, WLBI
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PLC Applications Engineer
Sacramento or California
$35-$70/hr FieldFull Time
United Flow Technologies
United Flow Technologies: Provides equipment and technical solutions for water treatment systems.
2+ YOEBachelor’s degree in computer science, engineering, technology, or related field; 2–5+ years preferred; PLC programming experience with at least three manufacturers and strong control, communication, organization, and project management skills.
PLC, Operator Interface Terminal (OIT), HMI, Allen-Bradley, Schneider Electric, Siemens, Microsoft Office
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Member of Technical Staff - Engineering Lead, Applications
San Francisco or London or New York City
OnsiteFull Time
Reflection AI
Reflection AI: Developing open-source frontier artificial intelligence models and coding agents.
Experience leading and mentoring engineering teams, deep full-stack engineering background, strong coding skills, familiarity across UI/API/auth layers, and experience integrating customer systems.
React, TypeScript, REST, gRPC, Go, FastAPI
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Applications Engineer Intern (Summer 2027)
South San Francisco, California, United States
$40/hr OnsiteFull Time, Internship
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Completed second undergraduate year in electrical or mechanical engineering or related field; master's and PhD students eligible. Requires hardware/software troubleshooting, data analysis, schematic reading, communication, and project management skills.
Siemens NX, SolidWorks, CAD
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2mo
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Commercial Applications Engineer: Printed Electronics
United States or Scottsdale or Bay Point or Irvine or Denver or Rocky Hill or Enoree or Greenville or Dallas or Houston
$110k-$130k/yr OnsiteFull Time
Henkel
HenkelXETRA: HEN3: Manufactures laundry, beauty, and adhesive products globally.
Master's in engineering preferred, high electronics/mechanical/chemical aptitude, printing/coating and adhesives experience preferred, experience with antennas/EMI preferred, up to 50% domestic travel, technical leadership and lab equipment management.
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Product Applications Engineer - Tools
Fremont, California, United States
$100k-$110k/yr OnsiteFull Time
Nextpower
NextpowerNasdaq: NXT: Provides integrated solar tracker and energy technology solutions.
5+ YOE5+ years testing/qualification experience or BA/BS in engineering, proficiency interpreting drawings and GD&T, hands-on with measurement/test tools, ability to lift 40 lbs, travel up to 25%, familiarity with Arena, Jira, SolidWorks/CAD.
Skidmore, 3D scanners, Arena, Jira, SolidWorks, CAD, thread gauges, calipers, sockets, bits, drivers
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XRF Applications Engineer – Semiconductor Metrology III (E3)
Benicia, California, United States
$108k-$149k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
Deep XRF knowledge, Python proficiency, experimental design and data analysis experience, bachelor’s in physics/materials/engineering, strong communication and customer-focus; occasional travel (~10%).
Python
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Manager, Applications Development & Engineering
Seattle or Anchorage or Los Angeles or New York or Portland or San Francisco or Washington
$169k-$220k/yr RemoteFull Time
Davis Wright Tremaine
Davis Wright Tremaine: National law firm providing corporate legal and litigation services.
10+ YOE3+ Mgmt10+ years software delivery experience, 3+ years managerial experience, Bachelor’s in a technical/STEM field required; deep knowledge of DevOps, Agile, cloud architecture, budgeting, portfolio management, and leadership.
DevOps, CI/CD, Agile, cloud architecture
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2mo
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Field Applications Engineer, Electrical Systems
Fremont, California, United States
OnsiteFull Time
Nextracker
NextrackerNASDAQ: NXT: Designs and manufactures solar tracking systems for utility-scale power plants.
5+ YOEBachelor's in electrical or related field, minimum 5 years in electrical engineering/power systems/solar PV or energy storage, hands-on testing/commissioning experience, familiarity with NEC/UL/IEEE/IEC standards, willingness to travel 25–50%.
SCADA, Modbus, DNP3, IEC 61850
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2mo
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Engineering Manager, AI Applications
San Francisco or New York City or Washington or London or Amsterdam or United States or Canada or United Kingdom or Europe
$216k-$367k/yr HybridFull Time
Plaid
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
8+ YOE1+ Mgmt8+ years industry experience (including time as Staff engineer), 1+ years engineering management, hands-on LLM experience (prompting, fine-tuning, RAG, vector DBs/embeddings, agent orchestration, evaluation/monitoring), product-oriented user research and experimentation, team building experience.
LLMs, Plaid MCP Servers, vector database, embedding models, Streaming, SSE, Reinforcement Learning (RLHF)
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1mo
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XRF Applications Engineer – Semiconductor Metrology III (E3)
Benicia, California, United States
$108k-$149k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
Bachelor's in Physics/Materials/Engineering, deep XRF knowledge, Python proficiency, experimental design and data analysis skills, strong communication; occasional domestic/international travel (~10%).
X-ray fluorescence (XRF), Python
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Software Engineering Manager, Applications
San Francisco, California, United States
$140k-$190k/yr OnsiteFull Time
Echo Neurotechnologies
Echo Neurotechnologies: Developing brain-computer interface technologies to improve patient autonomy.
Experience delivering medical software across product lifecycle, leading multi-person projects, mentoring engineers, and working with device, client, server, cloud, and ML systems.
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