UNKNOWN

FEED

Our devices use frequency-stabilized lasers and atoms in a vacuum cell to measure accelerations, rotations, magnetic fields, and time with unparalleled accuracy and stability. Experience with optical testing of polarization, wavefront flatness, reflectivity, optical phase shifts, beam aberrations, etc.

AOSense, Inc.

R&D Engineer

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As a Mechanical Engineer, Production Equipment based in South San Francisco, you will own design and deployment of fixtures, workstations, mechanical tooling, and end-of-line test equipment that directly enable aircraft assembly, battery integration, dock components, and flight‑critical subsystems. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible.

YEAR

ZipLine

Mechanical Engineer, Production Equipment

TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. Provide electrical, communications, fire alarm, and process control design services in water and wastewater treatment plant facilities, pump stations, and lift stations.

T.Y. Lin International Group Ltd

Electrical Engineer, Water

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Our Structural Engineering team collaborates closely with colleagues across Arup's global network, regularly partnering with other offices to deliver complex, high-profile projects while sharing knowledge and technical expertise. Our project portfolio spans a diverse range of market sectors, including property, arts and culture, science and technology, industry and manufacturing, healthcare, aviation, and rail, providing opportunities to contribute to projects that shape communities.

Arup Group Ltd

Graduate Structural Engineer (Available 2027)

You will work closely with the client's mechanical, electrical, software, controls, and field engineering teams to troubleshoot complex equipment issues, improve system reliability, support product development, and help move engineering solutions from the shop into real-world agricultural environments. Engineering Changes & Long-Term Fixes: Support engineering changes, validate solutions under real operating conditions, and ensure temporary field fixes are translated into appropriate long-term engineering solutions.

SCRG

Principal Systems Engineer

Manatal

Backed by a16z Speedrun, we build AI agents that help consumer subscription brands — like Higgsfield and Promova — retain more users, extend lifetime value, and grow fast. We back each other on hard days, celebrate the great ones, and protect the time teammates need to be parents, partners, and humans first.

Sirius

Founding Design Engineer

Bridging advances in robot learning with America's industrial base requires invention in how we understand customers, design products, navigate supply chains, and make the economics work. Build test fixtures and create calibration procedures; measure stiffness, repeatability, wear, and thermal performance; predict fatigue and mechanical failure of components.

Rethink recruit

Robotics Hardware Engineer

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We’re backed by Fifty Years (Scott Phoenix), BoxGroup, SV Angel, Betaworks, Pace Capital, angels including Nat Friedman, Logan Kilpatrick (Google AI), Guillermo Rauch (Vercel) and others from Tesla AI, Physical Intelligence, and Markforged. Robots should manufacture goods, clean roadways, tidy our rooms, build more homes, cook healthy food, and lower the cost of living.

Bracket Bot

Industrial Design Engineer

That means solving hard problems across models, systems, and product - and caring about the final human experience as deeply as the technology underneath it. Experience with Figma, motion, accessibility, Storybook, visual regression testing, or design-to-code tooling is helpful.

Wispr AI

Design Engineer

Own the mechanical design of cryogenic hardware from 300 K to millikelvin - thermal anchoring, RF wiring, flex interconnects, coaxial routing, filter housings, and connector packaging across all temperature stages. You will lead the design of the cryogenic signal chain, define mechanical interfaces across thermal stages, and work directly alongside quantum physicists, RF engineers, and systems teams.

Rigetti Computing

Senior Mechanical Engineer - Cryogenic

You can effectively prioritize your work to meet program objectives, and you’ll work across technical teams and consult with business partners to design experiments, analyze data, and create robust plans to meet our goals and support our internal customer programs or joint development partnerships. Develop and execute comprehensive experiments in small and prototype full cells, covering a broad range of technical areas including slurry & coating, electrolyte optimization for anode and cathode, cell design and integration, and electrochemical test methods.

Sila Nanotechnologies

Senior Engineer, Cell Design

You will work closely with external suppliers, internal design and analysis teams, test engineers, manufacturing, avionics, GNC, and launch operations to ensure the propulsion system is ready for ground test, qualification, and flight. Lead cross-functional trades involving engine layout, feed system architecture, pressurization, chilldown, purge systems, start and shutdown sequencing, abort logic, operability, maintainability, and ground-test constraints.

Astra

Lead Propulsion Systems Development Engineer

You’ll work on challenging problems in low-power electronics, sensing, power management, and communications - with your designs contributing directly to technology intended to restore function and independence for people with neurological conditions. You’ll design electrical subsystems from schematic through bring-up and validation, working across hardware, firmware, mechanical, and systems engineering to turn complex requirements into reliable, production-ready hardware.

Epia Neuro

Electrical Systems Engineer II

By conducting Form-Fit-Function testing, tool and fastener qualification testing, compatibility assessments, and vendor qualification testing, the Product Applications Engineer helps ensure that Nextpower tracker products can be installed reliably using approved tools, fasteners, torque methods, and field procedures. The Product Applications Engineer- Tools plays a critical role in testing, validating, and qualifying tools, fasteners, and related installation equipment used with Nextpower tracker products.

Nextracker Inc.

Product Applications Engineer - Tools

At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Working directly with key accounts located around the globe and to manage day to day issues on commercial and utility scale PV projects from the development stage to construction support.

Project Engineer

You will plan, develop and implement measurement methods, control plans, and other supply quality engineering processes to help ensure the part and product quality - all the way from concept phase through high volume mass production in a complex, global scale supply chain. You will work alongside our design teams and process engineers, facilitating the development and eventual ramp of NPI programs, supporting the mission critical goal of developing high quality components and assemblies which are both manufacturable and scalable.

Ouraring Inc

Senior Supplier Manufacturing Quality Engineer

Collaborate with cross-functional teams (design, reliability, and abuse engineers) to generate FMEAs and test plans; analyze complex test data and drive design and process enhancements. You'll work directly from schematics, Altium layouts, and datasheets to understand switching topologies, gate drive, isolation, protection, and thermal behavior, then use that understanding to build sharper tests.

Redwood Materials Inc

Senior Electrical Hardware Test Engineer, Energy Storage

Position Summary: The position serves as the technical bridge between Redwood''s BESS product design team and the deployment, construction, and service teams who install and maintain its products in the field. On the energy side, Redwood has deployed the largest second-life battery project in the world, delivering power to AI data centers in months rather than years using proprietary energy architecture engineered entirely in-house.

Staff Applications Engineer

This team works across machining, electromechanical assembly, automation, quality, supply chain, and production operations to accelerate the transition from prototype builds to high-volume manufacturing. Your role will focus on developing robust machining, assembly, inspection, and validation processes that improve quality, throughput, and repeatability while supporting rapid product iteration.

1X Technologies

Manufacturing Engineer

If a student program that exposes you to exciting projects and potential career paths with one of the country's largest MEP building systems firms appeals to you and you''re ready for the next big step in your career, then JOIN our team and become a part of an organization that values PEOPLE, SAFETY, INNOVATION, COLLABORATION, INTEGRITY, ACCOUNTABILITY & SUSTAINABILITY. Works with senior engineers to assist in designing building automation systems consisting of mechanical system layouts, electrical drawings, bill of materials, sequence of operations, valve and damper schedules, DDC panel layouts to meet the intent of the based on project plans, specifications and contract documents.

Design Engineer Jobs in Concord, CA

R&D Engineer AOSense, Inc.

Mechanical Engineer, Production Equipment ZipLine

Electrical Engineer, Water T.Y. Lin International Group Ltd

Graduate Structural Engineer (Available 2027) Arup Group Ltd

Principal Systems Engineer SCRG

Founding Design Engineer Sirius

Robotics Hardware Engineer Rethink recruit

Industrial Design Engineer Bracket Bot

Design Engineer Wispr AI

Senior Mechanical Engineer - Cryogenic Rigetti Computing

Senior Engineer, Cell Design Sila Nanotechnologies

Lead Propulsion Systems Development Engineer Astra

Electrical Systems Engineer II Epia Neuro

Product Applications Engineer - Tools Nextracker Inc.

Project Engineer Nextracker Inc.

Senior Supplier Manufacturing Quality Engineer Ouraring Inc

Senior Electrical Hardware Test Engineer, Energy Storage Redwood Materials Inc

Staff Applications Engineer Redwood Materials Inc

Manufacturing Engineer 1X Technologies

Intern - HVAC Controls Engineer Southland Industries

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