Magnetic Design Engineer

Magnetic Design Engineer-

Mountain View, CA

As a Magnetic Design Engineer at Lunar, you will be responsible for designing, validating and optimizing various types of magnetic components for Lunar’s electrification systems. We are looking for candidates who are passionate about decarbonizing residential buildings and building a more sustainable future. An ideal candidate is both collaborative and able to work independently, bringing both creativity and rigor to our engineering efforts.

Lunar Energy was founded to transition homes to 100% clean energy—making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We’re a fast-growing, global company building the world’s best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants.

On a given day at Lunar, you’ll likely…

• Work closely with power electronics, mechanical engineering and supply chain teams to design, develop, validate and support manufacturing high reliability low cost high efficiency magnetics components, including but not limited to: inductors, transformers, and EMC filters
• Develop detailed component-level and system-level simulation models for magnetic components in Lunar’s power converters, and perform parasitic, loss, thermal and M/E-field analysis 
• Define validation methods and tests for confirming expected behaviors and performance of developed magnetic components
• Be part of system architecture concept design, topology selection, trade-off study and decision making
• Convey design concepts to internal and external manufacturing teams, support manufacturing by reviewing manufacturing processes and initiating engineering instructions
• Communicate proposals, results, and specifications through clear, information-rich data visualizations

Desired Skills:

• Masters or PhD in power electronics
• 6 or more years of experience in magnetic components design and development for power converters
• Solid understanding of magnetic theory and its applications in magnetic components for power electronics systems
• Fluent with magnetic design process, including but not limited to: core selection, different types of winding design (e.g. magnet wire, Litz wire and PCB winding), electrical parasitic analysis, and loss/thermal modeling in power inductors and transformers
• Fluent with multiphysics finite element simulation tools (Maxwell, Ansys etc.).
• Solid understanding of basic power electronics topologies, their switching waveforms and impacts on magnetic components
• Familiarity with power converter circuit simulation tool (LTspice etc.) and circuit design tool (Altium Designer etc.)
• Strong data visualization and technical communication skills 
• Industry experience with magnetic components design towards product-level conducted and radiated EMC is a strong plus
• Experience with high volume manufacturing and quality control is a strong plus

Benefits:

We’re dedicated to creating a remarkable employee experience. At Lunar, competitive base pay is one part of our total compensation package. Lunar employees also have the opportunity to become Lunar shareholders by getting equity in a fast-growing company and participating in our employee stock program.

Additional benefits include: 

• Medical, dental, and vision insurance for employees and dependents
• Flexible Paid Time Off plus 10 paid holidays
• Tax deferred 401(k) plan 
• Paid parental leave for all full time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non-birthing parent 
• Subsidized EV charging and pre-tax commuter benefits
• Cell Phone stipend 

Our DE&I Philosophy: Lunar Energy is an equal opportunity employer. We are committed to attracting, developing and retaining diverse talent by supporting an inclusive workplace. Lunar recruits, hires, trains, promotes, compensates, and administers all personnel actions without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status or any other status protected by applicable law.

Our Compensation Philosophy: Our goal is to ensure that all Lunar Energy employees are fairly compensated. Please note that the salary range information that follows is a good faith estimate for this position provided pursuant to the Pay Transparency for Pay Equity Act for California applicants. The salary range estimate for this position depending on level of experience is: $140k-170k

The actual offer, reflecting the total compensation package & benefits, will be at the company’s sole discretion, and determined by factors including but not limited to years of experience, job level, geographic location, and other relevant business considerations. The company also reserves the right to amend or modify this job description, employee perks, and benefits at any time.