active · Approximate location
Senior Electrical Engineer, Electronics Design
otherMenlo Park, CA
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AT A GLANCE
Electrical EngrSenior4+ years experienceOtherSalaryBachelor’s degree required
Required
- 4+ years experience
- People Leadership
- Project Management
- Bachelor’s degree
- Master’s degree
About Mainspring Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generato
About the role
About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration
Responsibilities
- Low-Voltage Hardware Design: Design low-voltage (
- Bring-Up & Validation: Own the full bring-up, validation, and qualification of your custom electrical hardware designs
- Technical Reviews: Lead cross-functional design reviews to present concepts, align requirements, and secure approvals
- Complex Diagnostics: Debug and troubleshoot complex hardware issues that arise across field deployments, test labs, and the production floor
- Design for Reliability: Partner closely with reliability engineers to analyze hardware performance and continuously increase system robustness
- Manufacturing Collaboration: Work directly with our New Product Introduction (NPI) team and external suppliers to optimize designs for manufacturability (DFM) and testability (DFT)
- Cross-Domain Integration: Interface with high-voltage hardware teams and define requirements for cabling and embedded firmware support
- Team Growth: Learn complex design concepts and mentor peers while collaborating with a world-class engineering team
Requirements
- 5+ years of experience with a Bachelor's degree, or 4+ years of experience with a Master's degree, in Electrical Engineering or a related field
- Proven hands-on experience designing, troubleshooting, and realizing low-voltage electrical hardware (e.g., DC/DC converters, relays, e-fuses, and MOSFETs)
- Proficiency with PCBA schematic capture and PCB design tools (Altium strongly preferred)
- Strong fundamentals in analog/mixed-signal design, including operational amplifiers, ADCs, and hardware filtering (anti-aliasing, bandpass, etc.)
- Experience performing component derating analysis, worst-case tolerance stack-ups, and Design Failure Mode and Effects Analysis (DFMEA)
- Demonstrated ability to drive projects forward from initial requirements through production
- A "collaborate-first" mindset with strong communication skills across diverse technical teams and personalities
- Experience in the full hardware development life cycle of PCBA’s and electrical assemblies, from requirements development to manufacturing support
- Familiarity with hardware reliability and environmental validation testing (e.g., HALT, thermal chamber testing, Hipot, vibration)
- Experience working in a startup or rapid product development environment
- Familiarity with project management and documentation tools (e.g., Jira, Confluence)
- Basic programming or scripting experience (Python, C, or C++) specifically for automating lab bench tests or debugging hardware
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