---
title: 'Future Teammate — General Application at Limelight Steel, Inc.'
canonical: 'https://feeny.ai/job/future-teammate-general-application-limelight-steel-inc-headquarters-1n1rss780md7'
type: 'job'
last_seen: '2026-10-30'
---

# Future Teammate — General Application at Limelight Steel, Inc.

- **Company:** Limelight Steel, Inc.
- **Location:** Headquarters
- **Employment:** full-time
- **Posted:** 2024-03-25
- **Last confirmed live:** 2026-10-30
- **Apply:** https://jobs.ashbyhq.com/limelight-steel/da1984ac-3930-4b07-b3dd-12644da1de40

## Job description

While the specific position you’re looking for may not be listed right now, we still want to hear from you. At a fast-growing startup like Limelight Steel, plans can change: we might need your skillset sooner than we thought. If you are a kind, supportive team player with the grit and audacity to decarbonize the steel industry, please share your resume and tell us about yourself using this application. We’ll get in touch as soon as we have a job that’s you-shaped.

## About Limelight Steel, Inc.

## Company Overview
- **One-liner**: Limelight Steel uses arrays of high-efficiency lasers to electrify primary steelmaking, delivering clean industrial heat that processes iron ore into iron metal with zero direct CO₂ emissions and significant energy savings.
- **Entity Type**: Private (Pre-Seed stage)
- **Headquarters**: Oakland, California, USA
- **Founded**: 2021
- **Founders**: Andy Zhao (Co-founder & CTO), Michael Lwin DuMont (CEO)

## Core Business
- Primary industry: Industrial manufacturing / Steel production / Clean energy technology
- Target customers: B2B – steel producers and integrated steel manufacturers seeking to decarbonize their ironmaking processes
- Mission: Eliminate fossil fuels from steelmaking, which currently contributes over 7% of global CO₂ emissions, by providing clean industrial heat specifically tuned for iron ore.

## Products & Services
- **Laser Furnace (Electric Ironmaking Technology)**: A patented photonic furnace that uses laser diode arrays to heat iron ore to >1,600 °C, enabling thermal decomposition into molten iron and oxygen. The system uses commercially available laser components (similar to those used in projectors) to reduce cost and accelerate scale-up.
- **Laser Diode Arrays**: Arrays of small, postage-stamp-sized laser diodes that uniformly illuminate large areas of ore, enabling high throughput.
- **Thermal Decomposition Process**: Replaces the chemical reduction agents (coke/coal) used in blast furnaces with laser-driven heat, avoiding the need for green hydrogen or specific ore grades.

## Market Standing
- **Valuation**: Not disclosed
- **Key Metric**: Pre-Seed funding round closed on Dec 6, 2021 (amount undisclosed); subsequently awarded at least one U.S. Department of Energy / ARPA-E grant (reports indicate up to $28 M in federal funding for advanced iron and steel clean-tech).
- **Notable Investors**: Khosla Ventures, Capricorn Investment Group, Cantos, Incite Ventures, Collaborative Fund, and others. (Website notes “backed by industry-leading frontier tech investors.”)
- **Growth Signals**:
  - Named one of *Popular Science*’s “50 Greatest Innovations of 2024”
  - Listed on *Forbes* “30 Under 30 – Energy” (2024)
  - Included in the *Cleantech Group* “50 to Watch” (2024)
  - Featured at the 2025 ARPA‑E Energy Innovation Summit
  - Small, growing team (≈10–20 employees based on published roles and team page).

## Competitive Advantages
- **Patented laser furnace** that processes all commercial iron ore grades (not limited to high‑grade ore or specific feedstocks).
- **Up to 20–40% energy savings** over traditional blast furnaces and competing electric methods.
- **Zero direct CO₂ emissions** – no need for carbon‑based reducing agents, avoiding the massive emissions footprint of conventional steelmaking.
- **Leverages falling laser costs** from the telecom and consumer electronics industries, enabling a path to cost‑parity with fossil‑fuel‑based steel.
- Avoids the scale‑up challenges of green‑hydrogen‑based ironmaking and the ore‑grade restrictions of electrolysis approaches.

## Strategic Focus
- **Scale‑up**: Currently operating a laboratory demonstration system with 1.5 kW laser power processing 10–20 g of ore. Next step is a 150 kW pilot capable of producing up to 100 tons of steel per year.
- **Commercialization**: Validate technology at pilot scale, secure additional funding/partnerships with steel producers, and build a first commercial facility.
- Ongoing R&D into laser efficiency, furnace durability, and process integration with downstream steelmaking equipment.

## Why Work Here
- **Impact‑driven mission**: Directly tackle one of the hardest‑to‑abate industrial sectors; every tonne of steel produced with Limelight’s technology avoids roughly 2 tonnes of CO₂.
- **Culture**: The company states it is “building a diverse, courageous, and kind team that is ecstatic about frontier industrial technology.”
- **Team & environment**: Small, cross‑disciplinary team (engineers, scientists, operations) working out of an Oakland lab with hands‑on prototyping and testing. Offers exposure to cutting‑edge photonics, process engineering, and industrial scale‑up.
- **Notable perks**: Not specified; likely a fast‑paced startup environment with equity, autonomy, and direct influence on technology direction.

## Sources
1. [Limelight Steel – Homepage](https://www.limelightsteel.com/)
2. [Limelight Steel – Careers Page](https://jobs.ashbyhq.com/limelight-steel)
3. [Limelight Steel – About Us / Team](https://www.limelightsteel.com/about-us)
4. [CB Insights – Limelight Steel Company Profile](https://www.cbinsights.com/company/limelight-steel)
5. [Crunchbase – Limelight Steel](https://www.crunchbase.com/organization/limelight-steel)
6. [MIT Technology Review (via CB Insights) – “4 technologies that could be used to produce these chemicals” (features Limelight Steel at ARPA‑E summit)](https://www.cbinsights.com/company/limelight-steel#news)

## Other roles at Limelight Steel, Inc.

- [Procurement & Vendor Coordinator [contract]](https://feeny.ai/job/procurement-vendor-coordinator-contract-limelight-steel-inc-headquarters-62h5jcsjhhdm) — Headquarters
- [Plant Technician](https://feeny.ai/job/plant-technician-limelight-steel-inc-headquarters-ezy8t4hjen97) — Headquarters
- [Controls & Automation Engineer](https://feeny.ai/job/controls-automation-engineer-limelight-steel-inc-headquarters-xh0n5x2pj2sh) — Headquarters
- [Senior Executive Assistant](https://feeny.ai/job/senior-executive-assistant-limelight-steel-inc-headquarters-b02hs4fq4vnj) — Headquarters