Mechanical Engineering Manager - Electromechanical

Job Overview

Mainspring is seeking a Manager with a focus on designing electrical enclosures and cables while improving functionality and system-level performance. This role will involve not only owning engineering development projects but also taking a leadership role in guiding technical decisions and influencing the design process across teams.

Core Responsibilities

• Lead ideation and design reviews to develop innovative solutions that enhance performance and reduce cost of the Linear Generator and its electrical subsystems
• Own the structure, layout, optimization, prototyping, testing, and deployment of electrical enclosures and harnesses
• Partner with Electrical, Reliability, Test, NPI, Manufacturing, and supplier teams to define design direction, validate solutions, and meet project milestones
• Oversee execution by setting requirements and coordinating across disciplines to maintain cohesive technical direction
• Manage and mentor engineers, guiding technical decisions, setting priorities, and supporting professional growth
• Proactively balance timelines, resources, and risks to ensure consistent delivery on key engineering initiatives

Qualifications

• Degree: BS or MS in Mechanical, Electrical, or related engineering field with 11 years of industry experience
• Proven ownership of electrical enclosure and cable designs, with experience influencing cross-functional teams
• Deep expertise in sheet metal, mechanical-electrical integration, and design for manufacturability
• Strong foundation in electrical principles, thermal modeling, and system-level design
• Proficient in SolidWorks and PDM; experience with CFD/FEA tools (e.g., Ansys) is a plus
• Demonstrated ability to make technical trade-offs, guide design direction, and deliver complex systems
• Passion for mentoring engineers and advancing high-impact, low-carbon energy technologies

Benefits

Mainspring offers pre-IPO stock options + benefits. The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee.