Mechanical Engineer Jobs in United States

About the Role: Paid Winter 2026 Internship (Jan. - Apr., dates flexible). Candidates must work full-time, in-person at our San Francisco office located in the Mission. What We're Building: We have been quietly building the foundational layers of our Physical AI Scientist platform: 🤖 Physical AI tha

Advanced Reentry Technologies Who We Are: Inversion is an aerospace and defense company pioneering advanced reentry technology to enable next-generation capabilities from space. By combining high-performance materials, precision aerodynamics, and mission-driven autonomy, Inversion is transforming re

Firestorm is seeking a highly skilled Senior Mechanical Engineer, UAV to join our innovative engineering team in developing next-generation UAV systems. You will be responsible for the design, structural analysis, and build efforts of critical flight structures and mechanisms within our product line

Sandbar is an interface company in New York City. We aim to augment individuals so we can each think, act, and move more freely. Our team has built SW, ML, and HW products across Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox. Our first product, Stream, is a self extension—a private vo

Senior Mechanical Engineer Wavetronix is seeking an experienced, full-time Mechanical Engineer to drive the mechanical design, implementation, and validation of our industrial products. In this role, you will work alongside a multidisciplinary development team to take designs all the way from initia

Founded in 1995, ESN is a Small Disadvantaged Business (SDB), Service-Disabled Veteran-Owned Small Business (SDVOSB) and Veteran Owned Small Business (VOSB). ESN delivers trusted solutions that support our nation's defense. For more than two decades, we have been providing our military and governmen

About Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intrica

Responsibilities Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment and plant process in the followi

What You'll Be Doing Job Scope: Generally responsible for supervision and technical direction over a team of engineers and designers when functioning as a lead engineer. As lead engineer, responsibilities include total delivery of the mechanical deliverables and services on time, within performance

Mechanical Engineering Intern Position Description Mechanical Engineering Intern at Cushing Terrell. This is an in-person internship supporting our Mechanical Engineering team on real client projects. What does this role involve day to day? You will gain hands-on experience performing engineering ca

Job Description Senior Mechanical Engineer 08/25/2026 Reports to: Mechanical Engineering Manager Position Type/Hours: Full-time, on-site position. Core office hours are Monday through Friday, 9:00 a.m. to 3:30 p.m. Position Purpose: Are you a senior mechanical engineer who thrives in custom machine

Mechanical Engineer Levels 2-3 Position Title(s): Mechanical Engineer Levels 2-3 Position Description: Mechanical Engineers of all levels work with other Mechanical Engineers, Project Managers, Controls Engineers, Builders, Technicians and other personnel to conceptualize, design, test and validate

Our Mission: Through inspired engineering and design, we deliver outstanding solutions that positively impact lives. We use an interdisciplinary development process that combines our diverse engineering experience with creative industrial design solutions. We succeed when our partners succeed – it’s

About Us IMI Industrial Services Group is a full service, total solutions, industrial contractor. Established in 1988 in Watkinsville, Georgia, IMI has over 30 years of success in the Industrial construction industry. We have three satellite offices in Augusta, Covington, and Winder, GA. IMI support

Acorn Product Development is a top innovator in product design and engineering for global manufacturability. Acorn has offices in Silicon Valley, Boston, Denver and China. Each year, key Fortune 100 and 500 companies – as well as numerous hot start-ups -- hire Acorn to participate in the design of t

Location: Onsite — Austin, TX Employment Type: Direct Hire, Full-Time Job Title: Senior Optomechanical Engineer About 9 Mothers The modern battlefield has changed. Cheap, autonomous suicide drones have turned the tactical advantage upside down, and the world is looking for a solution. At 9 Mothers,

About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space.

Antora Energy delivers affordable, reliable energy to industry, data centers, and the grid. Our thermal batteries turn low-cost electricity into always-on heat and power, without supply-constrained critical minerals or multi-year construction timelines. We are growing our company with people who put

The selected candidate will work on a team to develop, design, and deliver utility system modernization and energy efficiency projects at large industrial and commercial facilities throughout North America. Candidate will be responsible for various project development activities, from site visits to

📍 Remote – USA Only | Strong Preference for Selected Midwest States🧳 Travel: ~10% annually Overview Join a team that’s redefining mechanical innovation in the oil and gas sector. As a Senior Mechanical Engineer, you’ll lead the design, optimization, and validation of advanced mobile mechanical syste