Research and development engineer jobs in Union City, CA - 5,225 jobs
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R&D Technician
Aosense, Inc. 4.2
Research and development engineer job in Fremont, CA
AOSense, Inc. is the leading developer and manufacturer of innovative quantum technologies employing atom optics. Our products use frequency-stabilized lasers and atoms in a vacuum cell to measure accelerations, rotations, magnetic fields, and time with unparalleled accuracy and stability. Our staff includes physicists, engineers, and technicians with expertise covering a wide array of disciplines. Our teams are dynamic and fast paced since our hardware is cutting edge.
POSITION SUMMARY:
We are seeking an R&D technician who specializes in precision assembly and testing. As a hands-on R&D Technician at AOSense, you will work with physicists and engineers to build and test high-performance, fieldable accelerometers, gyroscopes, gravimeters, atomic clocks, frequency standards, and magnetometers, as well as component technologies that we sell commercially to the R&D community.
RESPONSIBILITIES:
Collaborate with physicists and engineers to assemble and test complex quantum sensor and atomic clock hardware
Procure and track inventories of mechanical, optical, vacuum, and electrical components
Coordinate component and subsystem fabrication, assembly, and test
Assemble precision mechanical systems
Align lasers through optical systems
Procure and maintain laboratory equipment and supplies
Collaborate with engineers to define and implement test plans
Bake out and leak test vacuum systems
Document and report results of validation testing
Requirements
Demonstrated success in precision mechanical assembly of prototypes and products
Enthusiasm for developing expertise in new fabrication disciplines
Proven organizational skills and attention to detail
Hands-on experience with test equipment
Excellent troubleshooting skills
Applicants should thrive in a dynamic environment
U.S. Government contracts require applicants to be U.S. citizens or permanent residents
DESIRED EXPERIENCE:
Expertise aligning and securing micro-optical components
Hands-on experience with vacuum system assembly and testing
Adept in glovebox assembly work
Sensitivity to cleanliness requirements of vacuum and optical assemblies
Skilled in mechanical prototyping, including basic machining and finishing operations
Practical experience with advanced bonding methods, including soldering, brazing, and adhesives
Proficiency with SolidWorks mechanical design software
Familiarity with electronics prototyping, including reading schematics, PCB fabrication, assembly, soldering, and rework
Experience testing low-noise analog, mixed-signal, and rf electronics
Basic knowledge of data acquisition and analysis software such as LabVIEW, MATLAB, and Python
EDUCATION AND EXPERIENCE:
Associate degree in a relevant technical field or equivalent professional experience, with experience in an R&D environment
Benefits
Salary depends on qualifications and experience
Medical and dental
Retirement
Stock plan
AOSense is an equal opportunity employer (EOE) and considers qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran or disability status, or any other federal, state or local protected class.
AOSense is committed to providing equal employment opportunity to qualified individuals with disabilities. If you are disabled and require special assistance or a reasonable accommodation while seeking employment with AOSense, then please contact us via email at ******************* or call ************** x210
$77k-118k yearly est. 1d ago
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On-Device CVML Engineer for Spatial AI
Apple Inc. 4.8
Research and development engineer job in Sunnyvale, CA
A leading technology company in Sunnyvale is seeking a dedicated engineer for machine learning systems, focusing on AI and spatial computing. The role requires expertise in deep learning frameworks and strong programming skills in C++, Swift, and Python. Responsibilities include developing advanced AI systems, collaborating with cross-functional teams, and pushing the boundaries of innovation with real-world applications. This position offers competitive compensation with a base pay range of $181,100 to $318,400, alongside comprehensive benefits.
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$181.1k-318.4k yearly 5d ago
Product Design Engineer
Mission Resourcing LLC
Research and development engineer job in Oakland, CA
Vision
Affordable, natural, factory-built homes. We've embarked on a homebuilding renaissance where affordability,sustainability, and beauty come together. Out beyond ideas of right angles and hard lines, there's a bioceramic dome. The Geodesic Dome, introduced by the Visionary Architect Buckminster Fuller, is the world's most efficient structure. But to manufacture domes, we needed a material science breakthrough. Enter bioceramics a new class of earth-friendly materials that mimic human bone. Bioceramic domes maximize efficiency at the most fundamental levels - geometry, materials, and manufacturing method. In the future, we won't live in boxes. Join us there!
Project
After successfully achieving factory-built housing certification from the State of California and breaking ground on our flagship Amma dome build, we are hiring key team members to help us complete the design of the Amma product. We have a strong preference for team members to locate full-time onsite in Grass Valley, California, although hybrid/remote arrangements are possible for standout candidates.
Role
Geoship is seeking a Product Design Engineer to advance and finalize the design of our first Amma dome system. This role is for a first-principles problem solver and a multidisciplinary engineer who thrives in ambiguity and rapid iteration. You will integrate structural, mechanical, materials, and relevant building and safety standards into elegant, manufacturable solutions that bring a new form of sustainable housing into reality.
You will work closely with studio designers, materials scientists, manufacturing engineers, and operations teams to develop bioceramic molded parts, connection systems, structural components, interior systems, and other assemblies that seamlessly integrate into the finished dome. Your work will span concept development, detailed design, prototyping, design-for-manufacturing, analysis, testing, documentation, supplier engagement,
and hands-on support during prototype builds.
This is a rare opportunity to build a new housing technology from the ground up. If you think beyond conventional solutions, care deeply about regenerative design, and want to help shape the future of homes, we'd love to meet you!
Description
● Product & Component Design: Own the design of bioceramic components, connection systems, and mechanical assemblies from initial concept through release-applying first-principles reasoning, strong engineering fundamentals, and comprehensive system-level design that includes performing energy and load calculations, flow and pressure analysis, and MEP equipment selection; developing schematics, layouts, and installation instructions for HVAC ducting, piping, and related infrastructure; and ensuring compliance with all relevant building codes and industry standards.
● Design for Manufacturing: Ensure designs are compatible with casting, mixing, material-handling, and
assembly processes; create clear specifications, tolerances, and performance requirements to enable high-quality, repeatable, scalable production
● Prototyping & Testing: Build and test prototypes, develop test rigs when needed, and conduct design
analyses, validate mechanical behavior and assembly methods, and iterate rapidly based on real-world results
● Compliance & Standards Integration: Ensure mechanical designs align with relevant structural,
safety, and building standards, translating regulatory and performance requirements into clear
engineering specifications.
● Cross-Functional Collaboration: Partner with studio design, engineering, materials, and operations teams to develop system architectures, resolve tradeoffs, and support prototype and pilot builds
● Documentation & Communication: Produce clear CAD models, drawings, BOMs, specifications,
DFMEAs, test summaries, and design justifications; present design options and tradeoffs to facilitate alignment and decision-making
Qualifications
● Bachelor's degree in Mechanical Engineering, or related field
● 3 ~ 7+ years of professional experience in mechanical/product design, preferably involving large
complex assemblies
● Strong analytical and problem-solving skills, with a proven ability to identify and implement effective
solutions using first principles, modeling, and hands-on experimentations
● Strong CAD proficiency (SolidWorks, Fusion, Onshape, or similar)
● Demonstrated ability to take hardware products from concept through prototyping and into production
● Experience with tolerance stacks, design-for-manufacturing, and geometric dimensioning & tolerancing
(GD&T)
● Ability to thrive in a fast-paced startup environment-proactive, self-directed, resourceful
● Strong communication skills and ability to collaborate effectively across disciplines
Desired Experience
● Takes ownership and responsibility for current and past results
● Takes risks, learns from mistakes, and drives to improve the performance of oneself, others, and the company
● Experience working with cast or molded materials, especially ceramics and composites
● Familiarity with structural analysis techniques and tools (FEA and hand calcs)
● Experience designing components for modular building systems, architectural hardware, or complex mechanical assemblies
● Hands-on prototyping experience: machining, molding, 3D printing, fabrication, or test rig development
Benefits
● Base pay between $125,000 and $170,000, based on experience and qualifications
● Comprehensive healthcare coverage
● Stock options
● Health savings account
● 401k
● Opportunity to join a conscious, future-building team
$125k-170k yearly 5d ago
Optical Engineer
Meta 4.8
Research and development engineer job in Menlo Park, CA
Meta Platforms, Inc. (Meta), formerly known as Facebook Inc., builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps and services like Messenger, Instagram, and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. To apply, click “Apply to Job” online on this web page.
Optical Engineer Responsibilities:
Collaborate with Meta engineers on the next generation optical communication technology with a particular focus on the testing of optical modules and subsystems for Data Center applications.
Work in a collaborative environment across Meta teams including SW, Thermal, Mechanical, and EE.
Develop test and simulation methodologies relevant for next-generation, high-speed optical technologies.
Develop automation practices and solutions for lab testing.
Lead new optical communication NPI programs, working closely with optics vendors and ODMs.
Interface with the industry and contribute to the RFI/RFP process for optical solutions.
Communicate complex optical hardware requirements to non-experts both internally and to industry-facing stakeholders.
Minimum Qualifications:
Master's degree (or foreign degree equivalent) in Electrical Engineering, Computer Engineering, Optical Engineering, Physics, or a related field and 3 years of experience in the job offered or in a computer-related occupation
Requires 3 years of experience in the following:
Imaging optics for both photographic and computer vision applications
Both sequential and non-sequential optical design software (e.g. Zemax, Code V, LightTools, FRED and/or ASAP)
Image quality evaluation, imaging sensor operation and characterization, stray light modeling and analysis, camera module or lens testing and characterization, imaging and illumination optics design and manufacturing
Theoretical analysis using MATLAB, Python or similar programs
Statistical analysis using MATLAB
Public Compensation:
$181,390/year to $189,200/year + bonus + equity + benefits
Industry:
Internet
Equal Opportunity:
Meta is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.
Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@fb.com.
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$181.4k-189.2k yearly 5d ago
Robotics Hardware Research Engineer
1X Technologies As
Research and development engineer job in Palo Alto, CA
A cutting-edge robotics company in Palo Alto is seeking an engineer to develop advanced humanoid technologies. The role involves research, design, and prototyping critical components of robots. Candidates should have strong engineering principles and a background in Mechanical or Electrical Engineering. This position requires in-person collaboration to foster innovation. Competitive compensation and inclusive work culture are offered.
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$108k-164k yearly est. 1d ago
Edge ML Researcher & MLOps Engineer for Vision Systems
Rivet Industries, Inc.
Research and development engineer job in Palo Alto, CA
A technology firm specializing in integrated task systems seeks a Machine Learning Researcher / ML-Ops Engineer to advance computer vision and sensor fusion capabilities. The role involves implementing machine learning pipelines and optimizing models for deployment. Candidates should have a strong Python background and experience in deep learning frameworks like PyTorch and TensorFlow. This position in Palo Alto, California, offers competitive compensation and a collaborative work environment.
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$108k-164k yearly est. 5d ago
Alignment Science Research Engineer
Gluegroups Inc.
Research and development engineer job in San Francisco, CA
A leading AI research firm in San Francisco is seeking a ResearchEngineer on Alignment Science to contribute to experimental research on AI safety. You will design and run machine learning experiments while collaborating with other teams. Candidates should have software engineering experience and an interest in the impacts of AI. The role offers competitive compensation with annual salary ranging between $315,000 and $340,000, alongside generous benefits and flexible working hours.
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$108k-163k yearly est. 2d ago
Data Adaptation Research Engineer
Adaption Labs
Research and development engineer job in San Francisco, CA
The role
We're driving a fundamental paradigm shift: malleable data spaces that adapt on-the-fly for optimal performance. Our obsession with efficiency enables real-time AI evolution through adaptable data and algorithms. We treat data as a first-class citizen, prioritizing algorithms that enhance data quality for modeling the world. From senior leaders to new hires, everyone inspects data at every stage and understands exactly which datasets power our algorithms.
Responsibilities
Innovation: lead focused bets on data adaptation by developing algorithmic recipes that dramatically improve data quality, downstream performance, and efficiency.
Research & Development: explore new directions in data adaptation across modalities and lifecycle stages, bridging cutting-edge AI research with practical applications in real-time intelligence.
Hands-on Impact: shape the data landscape for intelligent, adaptable AI agents by guiding Adaption's data strategy and creatively solving novel challenges in data, interaction, and evaluation.
Qualifications
Deep expertise in at least one area: model efficiency, distributed systems, hardware acceleration, or algorithmic optimization
Systems thinking ability to understand and optimize across the full ML stack
Strong programming skills in Python. Experience with deep learning frameworks (PyTorch, JAX, TensorFlow)
Knowledge of model optimization techniques (RLHF, finetuning)
Experience in an industry lab with computing at scale and/or fast-paced startup environment
Nice to have: PhD in computer science, and experience with algorithm design
Above all, we're looking for great teammates who make work feel lighter and aren't afraid to go out on a limb with bold ideas. You don't need to be perfect, but you do need to be adaptable. We encourage you to apply, even if you don't check every box.
Flexible work
In-person collaboration in the Bay Area, a distributed global-first team, and quarterly offsites.
Adaption Passport
Annual travel stipend to explore a country you've never visited. We're building intelligence that evolves alongside you, so we encourage you to keep expanding your horizons.
Lunch Stipend
Weekly meal allowance for take-out or grocery delivery.
Well-Being
Comprehensive medical benefits and generous paid time off.
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$108k-163k yearly est. 1d ago
AI Safety Research Engineer - Build Frontier Model Infra
Jack & Jill/External ATS
Research and development engineer job in San Francisco, CA
A mission-driven AI research company is seeking a ResearchEngineer to bridge theoretical AI safety research with practical implementation. In this role, you will build critical infrastructure and conduct experiments on frontier AI models, making a significant impact on the future of AI safety. Ideal candidates will have 4-6 years of experience in software or ML engineering, strong Python skills, and familiarity with AI safety concepts. This position is located in San Francisco, offering a unique professional opportunity.
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$108k-163k yearly est. 4d ago
Autonomous Code-Review Research Engineer
Greptile
Research and development engineer job in San Francisco, CA
A dynamic tech startup in San Francisco is seeking candidates to develop AI agents for code review. The role requires strong programming skills and a background in computer science. Successful applicants will experiment with cutting-edge AI technology to enhance product performance and efficiency. This position offers the opportunity to work with an innovative team and address complex coding standards.
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$108k-163k yearly est. 2d ago
ML Research Engineer - GPUs go Brrr
Achira
Research and development engineer job in San Francisco, CA
Why Achira
Join a world-class team of scientists, ML researchers, and engineers working together to make the physical microcosm predictable and reshape the future of drug discovery.
Move beyond the beaten path: we are actively exploring the next frontier of model architectures for AI x chemistry.
Operate at frontier scale: massive compute, massive data, and massive ambition.
Own impactful work end-to-end: from ideation to architecture to deployment on large-scale infrastructure.
Work in an environment that rewards rigor, speed, execution, and an ownership mindset.
About the Role
Achira is building best-in-class foundation models to solve the most challenging problems in simulation for drug discovery and beyond. Atomistic Foundation simulation models (FSMs) as world models of the physical microcosm span machine learning interaction potentials (MLIPs), neural network potentials (NNPs), and diverse classes of generative models.
We're looking for a rare individual who thrives at the intersection of cutting-edge deep learning architectures and high-performance computing. You will help shape the future of molecular machine learning by engineering high-efficiency implementations of advanced architectures for molecular densities, graph neural networks (GNNs) and beyond - pushing past the limits of what's currently possible with today's hardware.
Foundation simulation models hold immense promise in material sciences and drug discovery, but remain underutilized. At Achira, you'll have the opportunity to change that - enabling models that understand and simulate the physical world at atomic resolution, with speed and fidelity never before seen.
What You'll Do
Architect & Integrate: Implement state-of-the-art Graph Transformers, GNNs, and similar geometric deep learning architectures into production-ready pipelines.
Optimize Deeply: Drive end-to-end performance - from high-level implementations in PyTorch / JAX down to hand-tuned CUDA kernels - to extract maximum throughput, minimize memory footprints, and optimize GPU compute bubbles.
Scale Intelligently: Help scale training and inference workloads across thousands (and eventually tens of thousands) of GPUs, maximizing FLOPs, saturating caches, and pushing hardware to its limits.
Collaborate Closely: Work alongside scientists and ML researchers to identify, evaluate, and develop novel architectures with superior inductive biases for molecular modeling.
Simulate Precisely: Hone our models to simulate molecular systems with unprecedented speed and accuracy - enabling breakthroughs in drug design, protein modeling, and beyond.
Automate Workflows: Utilize generative coding tools to accelerate your work and ultimately automate your optimization workflows
About You
You're equally excited writing PyTorch / JAX prototype code or tuning custom CUDA kernels for warp-level parallelism.
You have strong opinions about cache hierarchies, tensor fusion, memory-bound vs compute-bound workloads - and know when to profile rather than guess.
You're energized by new architectures in the GNN and equivariance space, but never let the code get sloppy - you build for reusability, clarity, and scale.
You're curious about bleeding-edge as well as established technologies like Triton, TensorRT, TorchInductor, and NVIDIA Warp, and not afraid to dive in and try them out.
You believe performance is a feature - and love seeing models train and infer faster.
You have a sense of relentless urgency and are a natural collaborator who values team success.
You want to work within a well-funded, bold, talent-dense organization to do your best work and focus on transformational impact against some of the world's hardest technical problems.
Eligibility
In compliance with United States federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to provide required employment eligibility verification documentation upon hire.
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$108k-163k yearly est. 3d ago
Research Engineer
Solcoa
Research and development engineer job in San Francisco, CA
Making the Metals Powering the World
Solcoa exists to stabilize the western rare-earth metal supply chain-powering every fighter jet, EV, wind turbine, phone, and generator. We're among the very few companies outside China producing rare-earth metals-and the only one delivering a 100% U.S. supply of both light and heavy rare earths. Our carbon-zero process converts end-of-life magnets directly into metal, accelerating energy independence and securing one of the world's most vital resources.
We are a lean, well-funded team rapidly accelerating Western rare-earth production. We're building a world-class team to solve this crisis.
The Role - ResearchEngineer
Own difficult, first-principles R&D that unlocks rare-earth metal production at scale. You will design and execute high-temperature experiments, build and operate custom rigs, extract mechanisms from data, and translate lab breakthroughs into reproducible unit operations for our demo plant. This role is deeply technical and experimental.
Pyrometallurgical research: calcination, vacuum/steam distillation, carbothermic/metallothermic reduction, smelting, refining.
High-temperature electrochemistry: molten-salt/molten-oxide electrolysis, cell design, anode/cathode materials, current efficiency.
Nuclear engineeringresearch: molten-salt chemistries, materials compatibility, graphite/refractory behavior, high-T gas-cooled systems.
Metal processing engineering: molten metal handling/casting, powder metallurgy (atomization, pressing, sintering), heat treatment.
What You'll Do
Run bench/pilot experiments to quantify kinetics, transport, and equilibria.
Build/operate furnace systems, vacuum/inert atmospheres, retorts/crucibles.
Develop and validate PFD-level experimental flows; compute mass/energy balances; establish operating envelopes.
Apply thermochemical modeling (CALPHAD/Thermo-Calc/FactSage/HSC) and phase diagrams to guide conditions and materials.
Characterize feed/products with ICP-MS/OES, XRD, SEM/EDS, LECO O/N/H,; close element balances.
Author rigorous documentation: SOPs, test plans, hazards analyses, data packages; present results with statistical confidence.
Collaborate with machinists/technicians to fabricate fixtures; specify sensors, heaters, seals, and vacuum hardware.
Enforce safety for molten metals, reactive powders, hot work, compressed gases, and magnetized materials.
What You Bring
Required
Typically 3+ years (flexible) as a researchengineer/assistant or PhD-level researcher with demonstrated research achievements (papers, patents, prototypes).
Depth in at least one focus area above; strong foundation in thermodynamics, transport, reaction kinetics, and materials.
Proven ability to build experimental setups, write/control test scripts, and produce decision-grade data.
Hands‑on with furnaces, vacuum/inert gas systems, gloveboxes, and high‑T instrumentation; meticulous lab discipline.
Data fluency (Python/MATLAB, spreadsheets); uncertainty analysis; clear, technical writing.
Preferred
Experience with rare-earth chemistry/metallurgy (Nd, Dy, Tb), chloride/fluoride molten salts, and contamination control.
Corrosion/materials compatibility at high temperature; selection of refractories and crucible/alloy systems.
Basic CAD (Fusion/SolidWorks) for fixtures; simple FEA/thermal modeling; familiarity with HAZOP/MOC culture.
Compensation & Benefits
Competitive base salary
Comprehensive health, dental, and vision insurance
Company‑provided lunch daily
Visa sponsorship available if needed
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$108k-163k yearly est. 5d ago
Entry Level Programming Opportunity
Year Up United 3.8
Research and development engineer job in Pleasant Hill, CA
Year Up United is a one-year or less, intensive job training program that provides young adults with in-classroom skill development, access to internships and/or job placement services, and personalized coaching and mentorship. Year Up United participants also receive an educational stipend.
The program combines technical and professional training with access to internships and job placement support through our industry-leading talent placement firm YUPRO Placement. If you receive an internship, it may be at Salesforce, Workday, or PayPal among other leading organizations in the California Bay Area (Pleasant Hill, San Francisco, San Jose).
Are you eligible?
You can apply to Year Up United if you are:
- A high school graduate or GED recipient
- Eligible to work in the U. S.
- Available Monday-Friday throughout the duration of the program
- Highly motivated to learn technical and professional skills
- Have not obtained a Bachelors degree
- You may be required to answer additional screening questions when applying
What will you gain?
Professional business and communication skills, interviewing and networking skills, resume building, ongoing support and guidance to help you launch your career. During the internship phase, Year Up United students earn an educational stipend of $525 per week.
In-depth classes include:
- Application Development
- Customer Success
- Project Management
- Data Analytics
- IT Support
- Business Operations
- Network Security & Support
Get the skills and opportunity you need to launch your professional career.
75% of Year Up United graduates are employed and/or enrolled in postsecondary education within 4 months of graduation. Employed graduates earn an average starting salary of fifty-three thousand dollars per year.
$44k-54k yearly est. 1d ago
Senior Product Design Engineer
Epoch Biodesign
Research and development engineer job in San Bruno, CA
Mill is all about answering a simple question: how can we prevent waste? Less waste can save time, money, energy, maybe even our planet. And there's no better place to start than food. Food waste is one of the most solvable climate problems facing us today. Plus, our trash really stinks. It's gross, heavy, and our least favorite chore. At Mill we are striving to build a better environment for all, as we take on climate and kitchen change.
As a member of Mill's Product Design Engineering team you will be part of a cross functional team to design, validate and ship Mill's hardware products. You will work closely with other members of the PD team as well as cross functional groups including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations.
Objectives of this role:
Design mechanical systems to balance complex tradeoffs between cross functional teams including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations
Generate detailed CAD models, specifications and documentation
Prototype, Test and Analyze component and system designs
Validate and system performance and iterate designs to achieve targets
Create predictive models and correlate with real world performance
Perform root cause analysis of performance failures and drive corrective actions
Work directly with the supply chain to ensure parts are properly manufactured and assembled.
Qualifications
BS degree in mechanical engineering or equivalent
2 + years experience working in mechanical product design. Consumer Electronics or Home Appliance industries are preferred
Expertise in CAD modeling, experience with NX is preferred.
Detailed knowledge of plastic and metal part manufacturing processes
Solid understanding of product design concepts including Design for Manufacturing (DFM), Design for Assembly (DFA), Tolerance Analysis
Demonstrated ability to apply engineering fundamentals to find simple solutions to complex problems
A strong desire to work hands-on
Strong communication skills
The estimated base salary range for this position is $150k to $175k, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs.
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$150k-175k yearly 4d ago
Senior Design Engineer
Ellaway Blues Consulting
Research and development engineer job in Union City, CA
A leading mechanical contractor specializing in HVAC and Plumbing systems for commercial, industrial, and institutional construction projects is seeking a Senior Design Engineer to join their growing engineering team. This is a high-impact role responsible for developing mechanical system designs, supporting construction operations, and delivering high-quality engineered solutions for complex building projects.
If you're a mechanical engineer who enjoys solving technical challenges, collaborating with field teams, and influencing project success from concept through construction, we want to speak with you.
What You'll Do
Lead mechanical (HVAC & plumbing) design efforts for new construction and renovation projects across commercial, industrial, healthcare, education, and specialty markets.
Prepare load calculations, equipment selections, and detailed design documents including plans, specifications, and technical reports.
Perform design reviews, value-engineering evaluations, and constructability assessments to optimize system performance and project cost.
Support project managers, estimators, and field teams with design clarifications, submittal reviews, RFIs, and technical problem-solving during construction.
Collaborate with architects, structural engineers, civil engineers, and trade partners to ensure coordinated, code-compliant design packages.
Work closely with field installation teams to confirm feasibility, identify improvements, and support installation sequencing.
Lead system analysis for energy performance, system efficiency, life-cycle costing, and equipment sizing.
Ensure all designs meet building codes, mechanical standards, and company quality expectations.
Mentor junior engineers, assist with design standards development, and help elevate overall engineering capabilities.
What You Bring
Bachelor's degree in Mechanical Engineering or related field; PE license preferred.
5-10+ years of experience designing HVAC and plumbing systems for building construction projects.
Strong knowledge of mechanical codes, building codes, and industry standards (IMC, IPC, ASHRAE, NFPA).
Proficiency with engineering design tools such as Revit, AutoCAD, Trane Trace / HAP, and industry-specific calculation software.
Experience working for a mechanical contractor or MEP consulting firm strongly preferred.
Ability to interpret construction drawings and collaborate closely with field installation teams.
Strong communication skills with the ability to interface directly with clients, contractors, and internal stakeholders.
Self-driven, detail-oriented, and capable of managing multiple projects concurrently.
🔹 Why Join Us?
Opportunity to influence mechanical system design across major construction projects.
Collaborative, team-oriented culture where engineering and field teams work hand-in-hand.
Competitive compensation and benefits package.
Strong pipeline of exciting projects and long-term growth opportunities.
$112k-156k yearly est. 3d ago
Research Engineer, Frontier Evals & Environments - Finance
Openai 4.2
Research and development engineer job in San Francisco, CA
The Frontier Evals team builds north star model evaluations to drive progress towards safe AGI/ASI. This team builds ambitious evaluations to measure and steer our models, and creates self-improvement loops to steer our training, safety, and launch decisions. Some of the team's open-sourced evaluations include SWE-bench Verified, MLE-bench, PaperBench, and SWE-Lancer, and the team built and ran frontier evaluations for GPT4o, o1, o3, GPT 4.5, ChatGPT Agent, and GPT5. If you are interested in feeling firsthand the fast progress of our models, and steering them towards good, this is the team for you.
About you
We seek exceptional researchengineers that can push the boundaries of our frontier models in the finance domain. We are looking for those who will help shape AI evaluations of financial reasoning and related capabilities, and will own individual threads within this endeavor end-to-end.
Responsibilities
Identify important model capabilities, skills, and behaviors that are crucial to financial workflows, and design methods to quantify performance in these areas
Own and pursue a research agenda to identify an important model capability (especially as it relates to financial reasoning) and build evals to measure it
Continuously refine evaluations of frontier AI models to assess the extent of frontier capabilities
Requirements
Have strong engineering and statistical analysis skills (with at least 2-3 years of full-time technical experience)
Be passionate about Excel spreadsheets and/or finance
Be detail-oriented and thorough
Be a team player / willing to do a variety of tasks to move the team forward
Be passionate and knowledgeable about AGI/ASI measurement
Be able to operate effectively in a dynamic and extremely fast-paced research environment as well as scope and deliver projects end-to-end
Nice to have
Prior background / domain expertise in finance, especially investment banking or private equity (e.g., through internships, prior jobs)
An ability to work cross-functional
Excellent communication skills
About OpenAI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.
For additional information, please see OpenAI's Affirmative Action and Equal Employment Opportunity Policy Statement.
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$124k-173k yearly est. 2d ago
Senior Principal Mech Engineer, R&D Equipment Lead
Fusion Energy Base
Research and development engineer job in Milpitas, CA
A leading fusion energy company in Milpitas is seeking a Principal Mechanical Engineer to join their R&D team focused on advanced thin-film deposition technology. Responsibilities include designing R&D equipment, leading complex projects, and mentoring engineering staff. The ideal candidate will have a Master's in Mechanical Engineering, over 15 years of experience in mechanical design, and familiarity with tools such as SolidWorks and ANSYS. Competitive salary and benefits are offered, including 12.5 holidays and flexible vacation days.
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$110k-150k yearly est. 3d ago
Design Engineer
Allstem Connections
Research and development engineer job in San Jose, CA
The Plumbing Designer will be responsible for executing and leading the full plumbing design projects. You will draw new designs and update our current designs. During the creation process, you will ensure that our designs meeting all necessary design responsibilities.
Responsibilities
Draw, update, and maintain (layouts, risers, details, system narratives).
Strong understanding of plumbing system design, codes, constructability and coordination
Manage multiple complex projects at the same time
Support estimating efforts using industry estimating software (quality takeoffs, scope development, ROM pricing, design-build budgeting)
Ensure that all design projects are completed within budget and time
Qualifications
Bachelor's Degree or equivalent experience in Mechanical Engineering or relevant technical degree
AutoCAD, Revit (BIM experience a plus)
$90k-127k yearly est. 3d ago
Staff ML Engineer - AI-Powered Observability Platform
Cisco Systems 4.8
Research and development engineer job in San Jose, CA
A global technology company is looking for a seasoned software engineer to enhance AI capabilities within their observability platform. Candidates should have a strong background in AI/ML systems, cloud computing, and robust technical leadership. This role is pivotal in driving innovation in data analysis and delivering scalable solutions. The ideal candidate will thrive in an agile environment and provide mentorship to junior engineers. Enjoy competitive salaries and benefits while contributing to impactful technology solutions.
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$151k-191k yearly est. 1d ago
OS Intelligence ML Engineer - On-Device AI for OS
Apple Inc. 4.8
Research and development engineer job in Cupertino, CA
A global technology company based in California seeks a talented individual to design and develop Deep Learning architectures. This role involves creating intelligent experiences through innovative Machine Learning solutions, collaborating with various teams, and requires a strong programming background. Candidates should hold a Bachelor's degree in Computer Science or similar, with familiarity in Python, Objective C, or Swift and relevant project experience. Competitive salary and extensive benefits offered.
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$138k-174k yearly est. 5d ago
Learn more about research and development engineer jobs
How much does a research and development engineer earn in Union City, CA?
The average research and development engineer in Union City, CA earns between $96,000 and $188,000 annually. This compares to the national average research and development engineer range of $74,000 to $135,000.
Average research and development engineer salary in Union City, CA
$134,000
What are the biggest employers of Research And Development Engineers in Union City, CA?
The biggest employers of Research And Development Engineers in Union City, CA are: