---
title: 'Corporate Paralegal at Mainspring Energy'
canonical: 'https://feeny.ai/job/corporate-paralegal-mainspring-energy-remote-avwq5bg1kn28'
type: 'job'
last_seen: '2026-10-18'
---

# Corporate Paralegal at Mainspring Energy

- **Company:** Mainspring Energy
- **Location:** Remote
- **Compensation:** $126k–$149k
- **Work type:** remote
- **Posted:** 2026-09-30
- **Last confirmed live:** 2026-10-18
- **Apply:** https://jobs.lever.co/mainspringenergy/4339a49c-9205-4c5b-8cd2-bdbee2784d85

## Job description

Job Overview

Mainspring Energy is seeking an experienced and highly organized Corporate Paralegal to join our growing Legal team. This individual will play a key role in supporting Mainspring’s corporate governance, securities and financing activities, legal operations, and other strategic corporate matters as the company continues to scale.

This is a broad, hands-on role for someone who enjoys taking ownership, building efficient processes, and working across a wide range of legal and business matters. The Corporate Paralegal will work closely with the General Counsel and other members of the Legal team and will regularly partner with Finance,HR and other teams across the company.

## Responsibilities

- Corporate Governance: Support Board of Directors and committee processes, including preparing and organizing meeting materials, maintaining minutes and resolutions, managing approvals and consents, and maintaining corporate governance records

- Corporate Records & Entity Management: Maintain corporate books and records and manage subsidiary and entity matters, including formations, qualifications, annual filings, registered agents, and other corporate maintenance requirements

- Securities & Financing Support: Assist with equity financings, debt transactions, secondary transactions, equity administration, and other corporate transactions, including signature processes, closing documentation, diligence, and maintenance of transaction records

- Equity & Cap Table Support: Partner with Legal, Finance, and People on equity-related matters, including equity grants, exercises, stockholder records, capitalization information, and related documentation

- Legal Operations: Help develop and maintain scalable Legal team processes, templates, trackers, policies, document-management practices, and other systems that improve efficiency and visibility

- Contract & Document Management: Support execution and organization of significant agreements and other legal documents, maintain accurate legal records, and help ensure key obligations and deadlines are tracked

- Diligence & Strategic Transactions: Coordinate legal diligence and data-room processes for financings, commercial transactions, M&A, and other strategic initiatives

- Cross-Functional Support: Work closely with Finance, People, Executive Operations, and other teams to gather information, coordinate approvals, and keep complex projects moving

- Outside Counsel Coordination: Help manage workflows with outside counsel and other external service providers, including coordinating documents, information requests, signatures, invoice management, and filings

- Take on other projects and responsibilities as the Legal team and company continue to grow

## Qualifications

## Minimum Qualifications

- 4+ years of corporate paralegal experience at a law firm and/or in-house legal department, preferably supporting venture-backed, technology, manufacturing, energy, or other high-growth companies

- Strong experience with corporate governance, board and committee processes, corporate records, and entity management

- Experience supporting corporate transactions such as venture financings, debt financings, M&A, secondary transactions, or similar matters

- Excellent organizational and project-management skills, with the ability to manage multiple priorities and deadlines without losing attention to detail

- Strong written and verbal communication skills and the judgment to work effectively with attorneys, executives, directors, employees, and outside advisors

- Ability to handle sensitive and confidential information with discretion

- A practical, proactive approach to solving problems and a willingness to take ownership of both significant projects and the details required to get them done

## Preferred Qualifications

- Experience supporting a late-stage private or public company

- Familiarity with equity administration and capitalization platforms

- Experience with legal technology, contract lifecycle management, board-management, or entity-management systems

- Experience developing or improving legal processes rather than simply administering existing ones

This role is well suited for someone who is comfortable operating with a high degree of autonomy, enjoys creating order around complex processes, and wants to be an integral part of a small, collaborative Legal team supporting a rapidly scaling company.

## About Mainspring Energy

## Company Overview
- **One-liner**: Mainspring Energy designs and manufactures fuel-flexible linear generators that provide low-emission, dispatchable onsite power for utilities, data centers, and industrial customers.
- **Entity Type**: Private (Series F)
- **Headquarters**: Menlo Park, California, United States
- **Founded**: 2010
- **Founders**: Shannon Miller

## Core Business
- Primary industry: Electric Power Generation
- Target customers: B2B – utilities, data center developers, enterprise, industrial
- Mission statement: "Redefining how local power is delivered to capacity constrained companies and communities" – enabling clean, reliable, and fuel-flexible power.

## Products & Services
- **[Linear Generator (LGen)]**: A flameless, fuel-flexible generator that converts gaseous fuels (natural gas, biogas, hydrogen, propane) into electricity with near-zero NOx emissions. Modular (0.25 MW per unit), fast-ramping (0-100% dispatchable), 46% electrical efficiency (LHV). Standardized 2.5 MW configuration (10 units). Suitable for grid-parallel or grid-independent operation, microgrids, and balancing renewables.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private company)
- **Key Metrics**: Annual revenue $117M (latest fiscal year); total funding $813M; 407 employees
- **Notable Investors/Partners**: General Catalyst (led Series F, 2025, $258M), Lightrock (led Series E, 2022, $140M), BloombergNEF (grant), and others.
- **Growth Signals**: Powering the largest U.S. EV truck charging depot; >1 GW of capacity trusted by Fortune 500 companies and utilities; headcount growing +3.4% YoY; job postings up +121.4% YoY (62 active openings); recently expanded into data center market.

## Competitive Advantages
- **Fuel Flexibility**: Single generator can seamlessly switch between natural gas, RNG, hydrogen, and propane without hardware retrofits.
- **Near-Zero Emissions**: <1.5 ppm NOx (0.05 lb/MWh) – meets stringent air quality standards.
- **Dispatchability**: 0-100% load following, grid-independent operation, capable of firming renewables.
- **Low Maintenance**: Only two moving parts, no oil changes, modular design reduces downtime.
- **High Efficiency**: 46% electrical efficiency (LHV) across all scales.
- **Fast Deployment**: Factory-built, skid-mounted units enable rapid installation.

## Strategic Focus
- Scaling manufacturing and deployment to meet growing demand from data centers and utilities.
- Advancing hydrogen and biogas compatibility to support long-term decarbonization.
- Expanding standardized 2.5 MW configurations to lower installed cost and accelerate timelines.
- Building a diverse, cross-disciplinary team to drive innovation in power generation.

## Why Work Here
- Culture of inclusion, respect, and collaboration across engineering, operations, and field teams.
- Emphasis on growth: "We invest in your growth because progress requires people who keep getting better."
- Hybrid/Remote options: headquarters in Menlo Park, manufacturing facilities, and remote field service roles.
- Active hiring across engineering (mechanical, electrical, software), operations, supply chain, and field service.
- Competitive salary ranges (e.g., Engineer ~$107k, Controls Engineer ~$109k, Manufacturing Engineer ~$91k) plus benefits.
- Diverse talent origins from Tesla, Stanford, Apple, SunPower, and other top clean energy companies.

## Sources
1. [mainspringenergy.com/company](https://www.mainspringenergy.com/company)
2. [mainspringenergy.com/careers](https://www.mainspringenergy.com/careers)
3. [jobs.lever.co/mainspringenergy](https://jobs.lever.co/mainspringenergy)
4. [linkedin.com/company/mainspringenergy](https://www.linkedin.com/company/mainspringenergy)
5. [mainspringenergy.com/product](https://www.mainspringenergy.com/product)

## Other roles at Mainspring Energy

- [Vice President, Electrical Engineering](https://feeny.ai/job/vice-president-electrical-engineering-mainspring-energy-menlo-park-p78zqkakjf87) — Menlo Park, CA
- [Staff Power Systems Site Integration Engineer](https://feeny.ai/job/staff-power-systems-site-integration-engineer-mainspring-energy-remote-ad1s0terv790)
- [Staff Project Engineer - Grid Scale](https://feeny.ai/job/staff-project-engineer-grid-scale-mainspring-energy-remote-x5ke2wm3a57g)
- [Senior Product Integration Engineer (CAD)](https://feeny.ai/job/senior-product-integration-engineer-cad-mainspring-energy-menlo-park-ax1bd2rd6xyb) — Menlo Park, CA
- [Senior Product Performance Engineer](https://feeny.ai/job/senior-product-performance-engineer-mainspring-energy-menlo-park-tkn2srq295k3) — Menlo Park, CA
- [Staff Product Performance Engineer](https://feeny.ai/job/staff-product-performance-engineer-mainspring-energy-menlo-park-ev3fhf1v0m38) — Menlo Park, CA
- [Senior Staff Software Test & Automation Engineer](https://feeny.ai/job/senior-staff-software-test-automation-engineer-mainspring-energy-menlo-park-81j3epyw7kdp) — Menlo Park, CA
- [Manager, CAD & Design Systems](https://feeny.ai/job/manager-cad-design-systems-mainspring-energy-menlo-park-racgnz1hdbew) — Menlo Park, CA
- [FP&A Manager — Services](https://feeny.ai/job/fp-a-manager-services-mainspring-energy-menlo-park-za5am2fn9ga5) — Menlo Park, CA
- [Sustaining Controls Engineer](https://feeny.ai/job/sustaining-controls-engineer-mainspring-energy-menlo-park-cycxdbkwtkxh) — Menlo Park, CA