Demo

Principal Mechanical Engineer

Amogy
York, NY Full Time
POSTED ON 12/3/2025
AVAILABLE BEFORE 3/23/2026
Brief Description

Amogy is an innovative cleantech startup on a mission to unlock ammonia's potential as a clean energy source. Driven by a vision of a more sustainable future, we've developed carbon-free energy solutions that leverage ammonia as an alternative fuel to decarbonize hard-to-abate sectors, including maritime shipping and stationary power generation. Join our dynamic team as we accelerate the commercialization of our technology and revolutionize the future of energy.

Location: This role is fully onsite at our office in Brooklyn, NY or Houston, TX.

Job Summary

We are looking for a hands-on and highly technical Principal Mechanical Engineer to lead and execute research and development and commercially deployable projects from concept to scale-up. This role entails directly contributing to efforts in the evaluation of reactors, combustors, burners, pressure vessels, frames and structures, and other high temperature and pressurized components and systems, operating in ammonia and hydrogen environments. You will work closely with cross-functional engineering teams to design, analyze, integrate, and test reactor and separation technologies for Amogy's next-generation power solutions.

This role requires a deep technical background in the mechanical and thermal design and analysis of systems related to technologies experiencing high temperature operation. Candidates should have a proven track-record of applying engineering principles to successful and robust product designs and a track-record of project and team leadership and developing and training engineers into productive contributors, as well as establishing and driving team adherence to engineering standards, best practices, and work processes.

Key Responsibilities

  • Lead the development and optimization of mechanical structures and assemblies for ammonia cracking and separation systems.
  • Spearhead designs from concept through launch, including detailed 3D modeling, material selection, stress analysis, design for manufacturing and assembly, equipment selection, and detailed design engineering drawing generation.
  • Coordinate with cross functional teams, including FEA/CFD analysis and modeling, manufacturing, process, and testing teams, to complete project objectives.
  • Own/track project schedules/budgets for internal teams and external suppliers.
  • Establish, optimize, and maintain mechanical engineering design practices, frameworks, and best-practices and
  • Define and maintain mechanical requirements for various high temperature devices
  • Provide day-to-day technical mentorship and training for mechanical engineers, technologists, and technicians.

Requirements

Qualifications:

  • BS/MS in Mechanical Engineering with 10 years of professional experience or PhD in Mechanical Engineering with 6 years of professional experience in energy, aerospace, automotive, or related field.
  • 3 years of prior experience in leading projects for technical teams.
  • Deep understanding of structural and thermal analysis principles and fundamentals, parametric modeling, manufacturing methods, and the overall product development process.
  • Prior experience designing and testing welded pressure vessels and heat transfer equipment and developing high-temperature systems such as reactors, engines, or turbines.
  • Proven track record of excellence in Structural and thermal finite element analysis (FEA), applied to real world problems in aerospace, automotive, maritime, nuclear, or similar applications.
  • Experience in applying standards and code to designs (e.g. ASMEJBPVC Sections 11 D, Ill. V, Vill Div 1 and 2; NFPA 86; ASTM. AWS). Proficiency/experience in all codes is not required.
  • Proficiency in Geometric Dimensioning and Tolerancing (GD&T per AMSE Y 14.5 2018)
  • Proficiency in use of 2D/3D Computer Aided Design (CAD) modeling software packages (e.g. SolidWorks, CATIA, Inventor)
  • Previously taken one or more hardware products from concept to commercialization.
  • Excellent organizational skills and proactivity in finding solutions to complex problems.
  • Ability to work in a fast-paced environment
  • Excellent written and verbal communication skills and communicate timely updates to internal stakeholders.

Preferred Qualifications

  • MS in Mechanical Engineering with 12 years of professional experience or PhD in Mechanical Engineering with 8 years of professional experience in energy, aerospace, automotive, or related field.
  • Expertise in use of ABAQUS, SIMULIA, or ANSYS.
  • 5 years of prior experience in leading projects or technical teams. Experience in optimizing thermal solutions for mechanical equipment subject to creep and fatigue.
  • Working knowledge of combustion principles and catalytic process technology.

Summary

What We Offer:

  • Competitive Medical, Dental & Vision Care
  • FSA and HSA
  • 401(k) with 5% company match
  • Life insurance
  • Flexible (PTO)
  • Ancillary Benefits
  • Employee Assistance Program (EAP)
  • Open, supportive culture of drive and execution

The salary range for this role is $160,000 to $190,000 per year. The final offer will be based on job-related qualifications, relevant experience, and market location. We are committed to market competitiveness and internal pay equity when determining compensation. In limited cases, we may consider compensation outside of this range.

Amogy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to recruiting@amogy.co.

Amogy is an equal opportunity employer and participates in E-Verify. If you receive an offer of employment from Amogy, you will need to go through the E-Verify process of digital verification of your employment authorization documents as provided on the Form I-9. Participation in E-Verify does not limit your right to work and verification will only be completed after you become an employee with Amogy.

Salary : $160,000 - $190,000

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