Senior Sales Engineer

🕒 March 12

🏄 California – Remote

🏄 California – Remote

💵 $127.5k - $150k / year

⏰ Full Time

🟠 Senior

💸 Sales Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 33%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mainspring Energy

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2010

🏭 Manufacturing

📦 Logistics

💼 Consulting

Manufacturing • Logistics • Consulting

Mainspring Energy is a pioneering energy technology company that develops high-efficiency power generation solutions. Their flagship product, the Mainspring Linear Generator, delivers reliable local power at any scale and is designed for flexibility to utilize increasingly cleaner fuels as they become available. Mainspring is committed to advancing the energy landscape by promoting local power generation, enhancing resilience, and reducing carbon emissions, all while providing cost-effective solutions for a diverse range of applications, including commercial, industrial, and utility projects.

📋 Description

• Develop system architecture, preliminary designs, and cost estimates from concept through execution handoff • Articulate and support sound technical approaches, ensuring appropriate design integration and tradeoff evaluation • Produce complete, accurate, and timely proposal packages across multiple concurrent projects • Build well-supported cost estimates, proactively communicate risks, and incorporate market inputs into pricing assumptions • Support customer meetings, site walks, and solution presentations as the technical subject matter expert • Communicate technical concepts in clear, structured, and solution-oriented formats across customer and internal stakeholders • Collaborate with Engineering, Product, Controls, Commissioning, and Project Management to support technical feasibility and execution alignment • Contribute to peer design reviews to share technical perspective and strengthen overall solution quality

🎯 Requirements

• Bachelor’s degree in Electrical/ Mechanical/ Systems/ Energy Engineering • 7+ years of experience in sales engineering, applications engineering, front-end engineering development (FEED) or cost estimating within electrical power systems or related industries • Experience in distributed energy, solar, batteries, fuel cells, microgrids, or related technologies preferred • Familiarity with electrical power systems, three phase inverters, protection relays, and the physics of grid integration • Strong understanding of standard electrical drawings such as wiring diagrams, electrical schematics, and one-lines • Ownership Mentality: Proactive in identifying risks and comfortable advocating for the resources needed to solve them • Ability to travel nationally (~25%)

🏖️ Benefits

• This position is remote and eligible for a 25% annual bonus. • Along with the base salary, Mainspring offers pre-IPO stock options + benefits.