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48 principal mechanical engineer jobs found

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principal mechanical engineer $150,000 - $200,000
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At
Mar 29, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO, USA
Attalon / Longmont, CO Overview At Attalon, we are at the forefront of designing and delivering cutting-edge precision optical systems tailored for the most challenging environments. From spaceborne telescopes to seaborne sensor systems, our innovative solutions serve a critical role in advancing global defense and aerospace missions. If you're passionate about creating technical excellence and solving complex engineering challenges, join our team of world-class professionals committed to pushing the boundaries of possibility. Located along Colorado's scenic Front Range and nestled in the foothills of the Rocky Mountains, Longmont offers a high quality of life, breathtaking natural beauty, and easy access to outdoor recreation, making it the perfect place to balance work and play. Job Title: Principal Mechanical Engineer Job Details A Principal ME will demonstrate expertise in the design, analysis and integration planning of precision, opto-mechanical subsystems such as...
At
Mar 29, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO, USA
Attalon / Longmont, CO Overview At Attalon, we are at the forefront of designing and delivering cutting-edge precision optical systems tailored for the most challenging environments. From spaceborne telescopes to seaborne sensor systems, our innovative solutions serve a critical role in advancing global defense and aerospace missions. If you're passionate about creating technical excellence and solving complex engineering challenges, join our team of world-class professionals committed to pushing the boundaries of possibility. Located along Colorado's scenic Front Range and nestled in the foothills of the Rocky Mountains, Longmont offers a high quality of life, breathtaking natural beauty, and easy access to outdoor recreation, making it the perfect place to balance work and play. Job Title: Principal Mechanical Engineer Job Details A Principal ME will demonstrate expertise in the design, analysis and integration planning of precision, opto-mechanical subsystems such as...
TA
Jan 31, 2026
Full time
Principal Mechanical Engineer
$175,000 - $210,000 yearly
True Anomaly Denver, CO, USA
A new space race has begun. True Anomaly seeks those with the talent and ambition to build innovative technology that solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. OUR MISSION The peaceful use of space is essential for continued prosperity on Earth-from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all. OUR VALUES Be the offset. We create asymmetric advantages with creativity and ingenuity What would it take? We challenge assumptions to deliver ambitious results It's the people. Our team is our competitive advantage and we are better together YOUR MISSION As a Principal Mechanical Engineer at True Anomaly, you will be responsible for leading...
SA
Mar 30, 2026
Full time
Principal Mechanical Engineer, Structural Design (R4444)
$190,000 - $290,000 yearly
Shield AI Remote (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: Shield AI is seeking a Principal Structural Design Engineer to play a critical role in the development of structural components for our next-generation autonomous aircraft. As a senior member of the Mechanical Engineering team, you will own the design and development of high-performance structural systems, from clean-sheet concepts to production-ready hardware. You'll work across disciplines to ensure structural integrity, manufacturability, and...
Xe
Aug 25, 2025
Full time
Principal Engineer/ Mechanical Engineering Manager (Heat Exchanger Design)
$152,000 - $228,000 yearly
X-energy LLC Rockville, MD, USA
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description X-energy, LLC is seeking an accomplished Principal Engineer/Mechanical Engineering Manager (Heat Exchanger Design) to lead our advanced Mechanical Design team in the development of Steam Generators and Heat Exchangers for advanced nuclear reactor applications. This leadership position drives the strategic direction and technical excellence of mechanical design operations for the Steam Generator of the Xe-100 Small Modular Reactor (SMR), with particular emphasis on mission-critical reactor systems. The successful candidate...
WM
Apr 03, 2026
Full time
Lead Commissioning Engineer
$140,000 - $170,000 yearly
Wunderlich-Malec Auburn, CA, USA
Wunderlich-Malec Engineering (WM) is a 100% employee-owned ESOP and one of the largest and most well-established engineering companies in the United States. When you join WM you become part of a company that is: 100% employee-owned with 40+ years of industry history ENR (Engineering News Record) Top 500 firm Rated as a top System Integrator Giant We have a Lead Commissioning Engineer opportunity available in Auburn, CA. This person will be responsible for the leading the testing and commissioning of electrical equipment within and electrical substation or generator plant; performing and directing all aspects of electrical testing including, but not limited to, protection relays, circuit breakers, transformers and other substation equipment; and training new engineers/technicians in relay testing, equipment testing and substation commissioning. Ideal Candidate Qualifications Knowledge of programming and testing protection relays from GE, SEL, ALSTOM, SCHNEIDER, SIEMENS,...
IG
Apr 01, 2026
Full time
Senior Principal Engineer - Turbine Production Engineering
$125,925 - $157,406 yearly
Intermedia Group San Diego, CA, USA
OPEN JOB: Senior Principal Engineer - Turbine Production Engineering LOCATION: San Diego, California ***Relocation Assistance Available SALARY: $125,925 to $157,406 INDUSTRY: Engineering COMPANY: Leading manufacturer of industrial gas turbines, producing units ranging from 1 to 39 megawatts. ABOUT THE ROLE: The Turbine Production Engineering (TPE) department provides our manufacturing, operations, and supply chain partners with technical engineering support related to Solar's gas turbine components and assemblies. TPE engineers are expected to support all engine model lines with respect to their accountable part family. This position requires extensive collaboration with internal customers within manufacturing, operations, supply chain, and design engineering to address component quality, cost, and velocity. TPE engineers must be able to interpret functional design requirements, detailed engineering specifications, and manufacturing...
Ch
Mar 29, 2026
Full time
Principal (Director) Engineer, Capital Projects
$144,000 - $216,000 yearly
Chobani Twin Falls, ID, USA
Summary A Principal (Director) Engineer, Capital Projects within the Global Engineering and Project Management team. This critical leadership position is responsible for leading and execution of strategic capital projects within Chobani's Global Supply Chain manufacturing facilities. The ideal candidate has a strong Industrial space background with responsibilities in a large global engineering team ranging from mechanical and electrical designs to software layer to deliver full sub-system capabilities. The team of professionals reporting to the role need to work cross-functionally, with both internal teams and external vendors, in the development of engineering solutions, from concept to final commissioning, ensuring the solution is beneficial for all teams. This position requires an experienced leader who can direct this group and assist them in the key decisions, while ensuring the projects remain on budget and within timelines. This position reports to the Vice President,...
In
Mar 28, 2026
Full time
Senior Mechanical Engineer I
$150,000 - $180,000 yearly
Innoflight San Diego, CA, USA
GROW WITH US AND STAY EXTRAORDINARY: Launch your career to new heights with Innoflight-one of San Diego's fastest-growing Aerospace and Defense innovators. Here, visionary minds engineer the future of space technology through pioneering, compact, and cyber-secure solutions. From software-defined radios to cutting-edge cryptographic systems and avionics, everything we build powers the next era of New Space. Join our small, agile, and mission-driven team where your work has real impact and your growth has no limits. We're not just reaching for the stars-we're engineering them. Let's innovate the infinite, together. A DAY IN THE LIFE: As a Senior Mechanical Engineer I at Innoflight, you will serve as a principal-level contributor providing technical leadership for the design, analysis, and integration of complex mechanical systems for aerospace and spaceflight applications. You will drive system-level solutions across multiple programs, resolve challenging engineering problems,...
NE
Mar 27, 2026
Full time
Associate Principal Structural Engineer
$145,000 - $175,000 yearly
NEI Electric Power Engineering, Inc Remote (Lakewood, CO, USA)
About the Position As an Associate Principal Engineer in the Data Center group, you will be responsible for performing engineering design and analysis under the responsible charge of a Professional Engineer. You will be responsible for supporting client projects and providing a quality deliverable that is on time and within the defined budget. Salary Range: $100,000 - $175,000 / year The salary range above is based upon the Denver, Colorado labor market. This opportunity is available to both local / in-office (Lakewood, CO) and full-time remote candidates. Essential Responsibilities Works closely with Technical Directors and the Vice President, acting as a subject matter expert on the most complex projects within the Civil / Structural department Performs the review of detailed structural design and engineering for all aspects of electric power substations including but not limited to interconnecting utility documents, multi-disciplinary coordination, and BOP...
AS
Mar 27, 2026
Full time
Senior Staff Mechanical Engineer
$146,000 - $247,000 yearly
AGILE Space Industries Durango, CO, USA
Job Type Full-time Description Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in Mount Pleasant, Pennsylvania, and Tulsa, Oklahoma, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. Agile Space Industries is seeking a highly experienced Mechanical...
WM
Mar 27, 2026
Full time
Lead Commissioning Engineer
$140,000 - $170,000 yearly
Wunderlich-Malec Wilmington, MA, USA
Wunderlich-Malec Engineering (WM) is a 100% employee-owned ESOP and one of the largest and most well-established engineering companies in the United States. When you join WM you become part of a company that is: 100% employee-owned with 40+ years of industry history ENR (Engineering News Record) Top 500 firm Rated as a top System Integrator Giant We have a Lead Commissioning Engineer opportunity available in Boston, MA. This person will be responsible for the leading the testing and commissioning of electrical equipment within and electrical substation or generator plant; performing and directing all aspects of electrical testing including, but not limited to, protection relays, circuit breakers, transformers and other substation equipment; and training new engineers/technicians in relay testing, equipment testing and substation commissioning. Ideal Candidate Qualifications Knowledge of programming and testing protection relays from GE, SEL, ALSTOM, SCHNEIDER, SIEMENS,...
CA
Mar 23, 2026
Full time
AD&D Engineer Principal - A&E Systems
$72.14 - $108.21 hourly
Cirrus Aircraft Duluth, MN, USA
Job Summary The AD&D Principal Engineer - Avionics and Electrical - is a visionary and hands-on engineering leader responsible for driving the early-stage development of new and innovative aircraft, systems, or feature development projects within the Cirrus Advanced Design and Development (AD&D) department. This position will focus on the initial phases of aircraft development - ideation, hypothesis generation, stakeholder engagement, technology maturation, and conceptual design. Duties and Responsibilities/Essential Functions Take full ownership of leading the development of Avionics and Electrical Systems from ideation through conceptual design and into practical product paths. Generate and test hypotheses through hands-on prototyping, simulation, and evaluation, with minimal supervision. Create and manage development plans focused on early-stage exploration, requirements capture, and concept validation. Engineer and refine requirements and objectives through...
BI
Mar 19, 2026
Full time
Principal Engineer, Systems Reliability
$161,183 - $227,000 yearly
Beehive Industries Loveland, OH, USA
Beehive Industries is dedicated to Powering American Defense by revolutionizing the design, development, and delivery of jet propulsion systems to support the warfighter. Through the integration of additive manufacturing, the company aims to meet the growing and urgent needs for unmanned aerial defense by dramatically improving a jet engine's speed to market, fuel efficiency, and cost. Founded in 2020, the company is headquartered in Englewood, Colorado, with additional facilities in Knoxville, Tennessee, Loveland Ohio, and Mount Vernon, Ohio. Beehive is committed to grow and advance the defense industrial base while manufacturing exclusively in the USA. This role can be located at our Loveland, Ohio or Englewood, Colorado facility. Role Overview We are seeking a skilled and detail-oriented Principal Reliability Engineer to lead the analysis, research, design, and testing of components, processes, and systems to develop new products and enhance core offerings, while...
CI
Mar 18, 2026
Full time
Principal Engineer
$175,000 - $190,000 yearly
CIRCOR International, Inc. CA, USA
About CIRCOR Aerospace & Defense CIRCOR Aerospace & Defense is focused on the design, development, and manufacture of specialty fluid and motion control products for demanding aerospace and defense applications. CIRCOR products are flying on most commercial and military aircraft, including single and twin aisle air transport, business and regional jets, military transports and fighters, and commercial and military rotorcraft. Other markets include unmanned aircraft, shipboard applications, and military ground vehicles. Business units are in Corona, California; Warren, Massachusetts; Hauppauge, New York; Paris, France; Uxbridge, UK; and Tangier, Morocco. Parent company CIRCOR International is headquartered in Burlington, Massachusetts and CIRCOR Aerospace & Defense is headquartered in Corona, California. POSITION DETAILS Position Summary The Principal Engineer supports the design effort of Fluid Controls and Actuation Products. This position requires a deep...
PA
Mar 06, 2026
Full time
Principal Propulsion Engineer
$160,000 - $170,000 yearly
PBS Aerospace, Inc. Roswell, GA, USA
Position Overview We are seeking a highly experienced and innovative Principal Propulsion Engineer to join our Engineering Group in Roswell, GA. This senior-level position is responsible for technical execution of the design and development of advanced gas turbine engine systems and components to support PBS Aerospace's strategic growth initiatives. You will work in close cooperation with members of the Engineering Group and other PBS Aerospace Divisions. As a technical focal point within the organization, you will play a pivotal role in advancing PBS Aerospace's propulsion technology and ensuring that projects are completed with the highest level of technical accuracy. Key Responsibilities Ownership of large-scale propulsion-related development initiatives; ensuring that requirements are established and met in accordance with industry and regulatory standards Compile clearly defined trade studies to inform design path down-selection Perform detailed design of...
TM
Feb 26, 2026
Full time
Principal Manufacturing Engineer-NPI
$147,200 - $183,600 yearly
TransMedics Andover, MA, USA
Job Description: POSITION SUMMARY: The Principal Engineer - NPI Manufacturing serve as the technical project leader for NPI manufacturing activities, driving the development and commercialization of TransMedics perfusion set and OCS products. RESPONSIBILITIES This position is responsible for, but not limited to, the following: Provide strategic oversight of manufacturing readiness for new product introductions, ensuring alignment of engineering resources, project schedules, and cross-functional deliverables. Lead cross-functional collaboration with Product Development, Quality, Regulatory, Supply Chain, and Manufacturing Operations to ensure robust, scalable, and compliant processes. Coordinate, identify, and implement advanced manufacturing processes to ensure production capacity, efficiency, cost-effectiveness, and adherence to quality standards. Define project plans, timelines, and resources needed to support NPI manufacturing programs, ensuring accountability for...
hM
Feb 20, 2026
Full time
Principal Electrical Engineer
$145,000 - $165,000 yearly
huMannity Medtec Santa Clarita, CA, USA
At HuMannity Medtec, we pioneer life-enhancing medical technologies for under met healthcare needs. Come join our team of engineers, scientists and medical device experts who are inspired to develop innovative solutions for tomorrow's challenges. If you'd like to join a high-reward, truly inspiring environment with an experienced, diverse team working at their best every day, and take your career to the next level, apply today! We truly understand the need for balance and, among other things and offer a 9/80 schedule with every other Friday off. That's 26 long weekends a year! Summary: As a key member of the EE team, this Principal Electrical Engineer will participate in all phases of the product development of medical devices from early concept through qualification, field test, and clinical use. This role will research, develop, design, prototype, and test electrical components, circuits, equipment, and systems that support active medical implant technology. Apply engineering...
So
Feb 13, 2026
Full time
Principal Engineer
$150,000 - $225,000 yearly
Socotec Chicago, IL, USA
Company Description SOCOTEC is a provider of niche consulting services within the architecture, engineering, and construction industries, focusing on high-performance buildings and specialty structures. Through an integrated, holistic approach, our professionals provide solutions for building envelopes, energy efficiency, sustainability, code advisory, and construction advisory projects. SOCOTEC's combination of expertise, experience, and methods is increasingly recognized as best-in-class, fueling significant growth. SOCOTEC offers competitive salary and benefits, mentorship, training, and social activities. SOCOTEC is proud to announce that it has been officially certified as a Great Place to Work by the renowned global authority on workplace culture, Great Place to Work®. Job Description We are looking for a Principal Engineer with 10-25 years of design and field experience. Responsible for conducting field investigations, analysis and design Interact with clients...
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...
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