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Principal Mechanical Engineer

AirJoule
Newark, DE Full Time
POSTED ON 3/25/2025
AVAILABLE BEFORE 9/20/2025

Title: Principal Mechanical Engineer

Report: VP of Engineering

Location: Newark, DE

Position Type: Full Time, Exempt

Travel: Occasional


About AirJoule, LLC

Are you passionate about making a difference in the fight against climate change? Then AirJoule is the place for you! We are a joint venture between GE Vernova and Montana Technologies, and a leader in the global sustainability transition. Our revolutionary atmosphere water harvesting technology enable transformative HVAC products that help our customers save money on their energy bills while reducing their environmental impact. The same core technology also enables atmospheric water harvesting products that create clean, abundant, and decentralized water for industrial, commercial, and humanitarian purposes. If you are a highly motivated and experienced individual who wants to make a real-world impact, we encourage you to apply!


Position Summary


AirJoule is seeking a Principal Mechanical Engineer to help our team design and build our transformative atmospheric water generating products. This role requires expertise and hands-on experience in mechanical engineering design and building. With regards to mechanical design, expertise with CAD programs such as CATIA, SolidWorks, SolidWorks Simulation, and Ansys is required. Familiarity with compressors, condensers, heat exchangers (liquid-liquid and air-liquid), electric drive motors, machined and molded parts, and electronically controlled sensors and actuators is desired. This role also requires significant experience as a technical lead for a design team. The successful candidate will lead a design team which is primary based in Newark, DE, but with satellite locations in our other domestic sites. Ability to manage and lead a complex workstream is mandatory. The role will also involve the transitioning of initial builds into manufacturing procedures. Your responsibilities will range from building, testing, and troubleshooting prototype units, testing and validating new components and system designs, as well as communicating your learnings with the broader team and working groups. In this role you can make a significant impact to society and support the launch of our revolutionary products into the world!


Key Responsibilities

To perform in this position successfully, an individual must be able to perform each key responsibility satisfactorily. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. Other duties may be assigned to meet business needs.


Project Leadership:

  • Execution of engineering projects from conception to commercialization, ensuring adherence to timelines, budgets, and quality standards.
  • Monitor project progress and identify potential risks or issues, implementing mitigation strategies as needed.
  • Mentor junior colleagues for the development of overall AirJoule capabilities.

Participate and Lead Component Working Groups

  • Joining our group of mechanical engineers, you will take a key role in leading design efforts in order to take our engineering concepts from paper to product.
  • Communicate clearly and deliver against weekly actions assigned to you or from you to help advance our productization roadmap.
  • Use mechanical design software to communicate designs to the broader team.

Technical Expertise in Prototype Designing, Troubleshooting, and Transitioning to Manufacturing

  • Working with our engineering teams, create new system builds at the Newark location, run through shakedown and operationalize them.
  • Owning mechanical designs and CAD models derived from Solidworks or related software.
  • Hands-on prototype building including mechanical, electrical, and thermal considerations
  • Familiarity with vacuum systems, vapor compression, motor drives, electronically controlled actuators, etc…


Education and Experience Requirements


Minimum Education: BS degree in Mechanical Engineering (or related field) and a minimum of 15 years of experience, or MS degree and 12 years of experience, OR a PhD and 10 years of experience.

Minimum Experience: 10 years of experience designing and building novel mechanical systems.


Knowledge, Skills and Abilities


  • Significant experience with CAD and building of mechanical systems, especially with respect to rapid prototyping, as well as progression from prototypes to commercial products. This includes deep knowledge of system modeling (CAD - CATIA, SolidWorks, SolidWorks Simulation, Ansys, EES, Matlab, etc…).
  • Experience with the design, analysis, and testing of mechanical components such as vacuum chambers, pumps, compressors, shafts, bearings, dampers, couplings, seals, gears, etc…
  • HVAC systems or component experience is preferred.
  • Experience solving complex energy components/mechanical systems and/or thermal management problems for energy systems. Fundamental knowledge of fluid mechanics and heat transfer applied to thermal management problems.
  • Experience working with suppliers and machinists to procure the properly designed and fabricated parts.
  • Ability to work under pressure, meet deadlines, and be flexible with company pivots.
  • Champion of safety on the plant floor, defining safe operating procedures, performing safety audits, and being a prime example defining the safety culture.


Physical Requirements

  • Extended periods of walking and standing as well as sitting at a desk and working on a computer.
  • Must be able to lift, carry, push and pull up to 30 pounds.
  • Occasional bending, stooping, reaching, and stepping on and off a build platform.
  • Must possess a high degree of manual dexterity to assemble mechanical devices.
  • Must be able to wear personal protective equipment (PPE) such as safety glasses, gloves, etc.


Other Requirements

  • Applicants must be authorized to work for any employer in the U.S. AirJoule is unable to sponsor or take over sponsorship of an employment Visa at this time.


AirJoule’s Benefits

In addition to good working conditions and competitive pay, it is AirJoule’s policy to provide a comprehensive benefits package that provides access to plans which support the overall wellbeing of our employees and their dependents. These benefits include, but are not limited to, health care coverage (medical, dental, vision, pharmacy), a retirement plan that includes a 401K, Life Insurance options, Disability coverage, paid time-off, and more.


How to Apply

Qualified applicants should submit their resume with a cover letter outlining their qualifications to Human Resources via email at hr@airjouletech.com


AirJoule, LLC does not discriminate on the basis of actual or perceived race, religion, color, national origin, ancestry, disability, medical condition, marital status, sex, age, sexual orientation, gender identity or expression, family responsibility, personal appearance, genetic information, matriculation, political affiliation, or any other status protected under law.

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