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5 senior principal mechanical engineer jobs found

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High-Tech senior principal mechanical engineer California
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Va
Aug 05, 2026
Full time
Senior Structural & Mechanical Engineer
$137,760 - $195,552 yearly
Vast Long Beach, CA
At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us....
Va
Jan 30, 2026
Full time
Solar Arrays Engineer
$110,000 - $140,000 yearly
Vast Long Beach, CA
At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us....
SI
Aug 05, 2026
Full time
Controls Engineer HVAC - DDC
Southland Industries Union City, CA
Job Description Position Summary The Controls Engineer is responsible for the HVAC - Direct Digital Controls design, development and integration of all hardware drawings and software components as required to produce, complete, and fully functional building automation systems for assigned projects. Position Details HARDWARE DESIGN: Review plans, specifications and sales proposals for assigned projects and prepare engineering plans. Generate CAD control drawings and project submittal drawings as required on assigned projects. Select products, controllers and end devices as needed to perform required control sequences. Collaborates with other Engineers (Mechanical, Electrical & Plumbing) and contractors (Mechanical, Electrical & Plumbing) during the design phase. Utilizes and develops CAD tools used in the system engineering process. During the course of the contract and at the end of the job, updates hardware design packages based on changing project...
RA
Aug 05, 2026
Full time
Senior Systems Engineer, SATCOM and RF Connectivity
RAVE Aerospace LLC Brea, CA
The Senior Systems Engineer, SATCOM and RF Connectivity performs system-level engineering across the lifecycle of the company's satellite communications and In-Flight Connectivity (IFC) products, with a primary technical focus on satellite communications and the end-to-end RF signal chain. Core responsibilities include requirements definition and verification, system and sub-system design and analysis, use-case development, and interface definition spanning the aircraft terminal, antenna, modem, and connecting space and ground segments. The role serves as a senior technical authority and the principal point of reference, both internally and externally, including customers, managed service providers, and service providers. The Senior Systems Engineer is also responsible for the preparation, maintenance, and configuration control of associated technical documentation. Responsibilities Translate customer and business needs into verifiable system, subsystem, and equipment...
AS
Aug 05, 2026
Full time
Manufacturing Engineer
$81,375 - $122,063 yearly
ASML San Diego, CA
Introduction to the Role ASML US, LP brings together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world's leading chipmakers - to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more powerful consumer electronics. Our headquarters are in Veldhoven, the Netherlands, and we have 18 office locations around the United States including main offices in Wilton, CT, Chandler, AZ, San Jose, CA and San Diego, CA. The Manufacturing Engineer will provide manufacturability oversight during the design phase thru new product introduction and serve as the "eyes of the customer" before we introduce new technologies and designs to our customers. Role and Responsibilities The Manufacturing Engineer in EUV designs, develops...
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