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6 principal design engineer jobs found

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principal design engineer $200,000 and up California
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SA
Mar 08, 2026
Full time
Principal Engineer, Aircraft Thermal (R4353)
$194,094 - $291,140 yearly
Shield AI San Diego, CA, USA
Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: Are you a passionate and innovative thermal engineer looking to help develop the next generation VTOL strike aircraft? Are you eager to make a positive difference in the world? Do you want to work alongside mission-driven and values-focused teammates? Shield AI is just the place for you! As the Principal Aircraft Thermal Engineer you will lead the charge in solving the most challenging thermal problems on the XBAT aircraft program, including hot...
JA
Feb 09, 2026
Full time
Senior Cabin Design Engineer
$149,000 - $204,000 yearly
Joby Aviation Santa Cruz, CA, USA
Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service. Overview Joby Aviation is seeking an experienced Cabin Design Engineer to join our Airframe team here in Santa Cruz, CA. This is an exciting role involving managing the design, development, certification, and testing of the interior of the Joby aircraft. In this position, the individual will have a balanced responsibility of designing components, managing suppliers, system engineering, and certification. This role integrates the incredibly important balance of...
Di
Jan 16, 2026
Full time
Chief Engineer, Product Engineering (Aerospace & Defense)
$179,630 - $247,005 yearly
Divergent Torrance, CA, USA
Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Production System (DAPS) that comprehensively uses machine learning to optimally engineer, additively manufacture, and flexibly assemble complex integrated vehicle structures and subsystems. Products created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Divergent is a qualified Tier 1 supplier to global automotive OEMs, and Divergent is now expanding to support mission critical needs in the Aerospace and Defense sector. Join us to be a part of this transformative journey, where your impact will shape the future of technology and production. Purpose Divergent is seeking a Chief Engineer - Munitions Systems to lead the development of next-generation munitions architectures. This is a...
BH
Jan 15, 2026
Full time
Principal Mechanical Engineer
$185,000 - $235,000 yearly
Buro Happold Los Angeles, CA, USA
Start designing tomorrow's future! Are you a visionary Mechanical Engineer with a passion for innovation and a proven track record of successful project leadership? We are seeking a highly skilled and experienced Principal level Engineer to join our dynamic team at Buro Happold. As a Principal Engineer, you will play a pivotal role in providing technical expertise and leadership to our Building Environments Group. Come join our hybrid team based in Los Angeles, California! Here at Buro Happold, expect the exceptional. From the projects you will work on to the clients we work with. From career-defining opportunities to an inclusive and diverse practice where we all contribute to a more equitable world. From our reputation to our relationships. Wherever your Buro Happold career takes you, it'll be anything but ordinary. Your next role Buro Happold has a clear strategic plan, strong learning culture and entrepreneurial mindset that will allow you to thrive....
AL
Dec 18, 2025
Full time
Principal Engineer, Platform Systems Architect
$180,000 - $240,000 yearly
Ayar Labs San Jose, CA, USA
Principal Engineer, Platform System Architect Location: San Jose (on-site) The successful candidate will collaborate with customers and interface with internal teams (laser, mixed-signal silicon, photonics, packaging) to design AI rack platforms using Ayar Labs' CPO silicon photonics optical engines and ELSFP modules. The candidate will translate customer system requirements into AI rack physical specifications. The candidate will collaborate with design teams to ensure spec compliance. The candidate will represent Ayar Labs at standard setting organizations (SSOs) and promote Ayar Labs' optical interconnect technology. The candidate will collaborate with the CTO office on pathfinding activities, and product and technology roadmaps. Essential Functions: Use Ayar Labs' in-package optical I/O as the foundational technology, work with customers to design AI rack platforms for scale-up and scale-out fabrics and extended memory. Formulate AI rack platform specifications...
QS
Oct 25, 2025
Full time
PMTS, Mechanical Design Engineer
$160,700 - $217,000 yearly
QuantumScape Corporation CA, USA
QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. What we need: Join us on our mission as we transform energy storage to enable a more sustainable future. We are looking to add a Principal Mechanical Design Engineer to our Cell Engineering and Manufacturing Development team. This individual will be responsible for designing and scaling QuantumScape's unique solid-state lithium metal batteries for high volume production. This work includes designing new cell structures, encasings, components, and assembly tools in addition to methodologies to validate the fidelity of these new designs. You must have experience working with electrochemical energy storage devices such as lithium-based batteries or similar technology....
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