Mechanical Engineer

$180k to $350k

Washington, District of Columbia, United StatesFull-timePosted Oct 16, 2026

Against the Washington typical range

Job description

About the role

As Mechanical Engineer, you will play a significant role in developing and implementing engineering plans and strategy for a high-growth deep-tech company in stealth mode. We are seeking a highly skilled Mechanical Engineer with expertise in integrating complex systems and a strong background in thermodynamics, computational fluid dynamics, and solid mechanics.

Background in nuclear energy is highly preferred, but not required.

Responsibilities

Lead the design and development of the company's product components to meet safety and performance standards. Component Integration : Ensure seamless integration of various components of the product. Materials Selection : Select appropriate materials and components to optimize strength, weight, and durability of the product.

Safety and Compliance : Ensure product design complies with safety regulations and standards, conducting necessary safety tests. Collaboration : Work closely with cross-functional teams and suppliers to achieve efficient and innovative component design while maintaining cost-effectiveness.

Qualifications

Bachelors, Masters, or PhD in Mechanical Engineering. Experience : 5+ years of industry practice. CAD Proficiency : Proficiency in computer-aided design (CAD) software. Material Science and Solid Mechanics : Strong understanding of materials science, with focus on heat and radiation shielding, as well as engine design (including battery-powered motors, turbines, and Stirling engines).

Testing and Prototyping : Experience in planning and conducting component testing and prototyping. Problem-Solving Skills : Strong analytical and problem-solving abilities for technical challenges. Communication : Effective communication skills for collaboration with cross-functional teams and suppliers. Work Authorization : US Permanent Resident or US Citizen Benefits $80,000 - $500,000/annual salary + cash and stock awards + benefits.

Pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements dependent on the position offered. Along with competitive pay, as a full-time employee, you are eligible for a slew of benefits, including premium vision, dental, and medical plan options, unlimited PTO, and other financial benefits, commuter benefits, and more.

Description copied from Mersenne Labs's careers page. Read the full posting before you apply.

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