Limelight Steel is on a mission to eliminate emissions from iron and steelmaking and build a brighter future. 8% of global CO2 emissions come from current fossil-based steelmaking processes - the largest source of industrial emissions today. Limelight Steel's electrified ironmaking technology has the potential to eliminate those emissions, significantly reduce energy use, and produce iron for cheaper than fossil-based methods.

We are a startup in Oakland, CA, backed by industry-leading climate tech investors, looking to grow our team. We are committed to building a diverse and courageous team of people motivated to make a positive impact on the world. We want to hire kind and supportive teammates who have the perseverance to achieve our audacious goal of decarbonizing steel.

Position Summary

As a Senior Mechanical Engineer at Limelight Steel, you will play a key role in the design and build of a laser furnace pilot plant that produces tonnes of clean metal and scales to a million tonne/year commercial plant.

Roles & Responsibilities Lead the mechanical design, build, test, and integration of key laser furnace sub-systems (e.g. material feeding & storage, vacuum & gas handling, and heating & cooling) Create detailed CAD models & drawings, process flow diagrams, and piping & instrumentation diagrams Interface with manufacturers, vendors, machine shops, and contractors to procure, make, and install components. Provide technical oversight during commissioning and troubleshooting Key Qualifications B.S. in mechanical engineering or related field, and 5+ years of industry experience Strong CAD modeling and GD&T skills Hands-on experience designing, building, and troubleshooting prototypes and industrial equipment Demonstrated experience managing multiple vendors and contractors within budget and schedule. Experience with process equipment, including gas handling (industrial gas storage, transport, blowers, vacuum pumps) and thermal management systems (chillers, heat exchangers, fluid plumbing) Fundamental understanding of heat and mass transfer, fluid mechanics, and solid mechanics Ability to think through problems from first principles Experience working independently, as well as in team-oriented and fast-paced environments Additional Qualifications Desired Industrial materials or metals processing experience High-temperature furnace experience Full Time Employee Benefits Competitive stock option package Comprehensive health benefits that include: Full premium coverage for PPO Gold for employees with 80% coverage for dependents Full premium coverage for Vision and Dental for employees

Generous time-off schedule 20 days paid time off 10 holidays (personalized to the holidays you observe)

Sustainable 401(k) retirement savings plan with company match 2x weekly catered team lunches A team of curious, passionate, kind, and courageous people committed to eliminating industrial emissions that contribute to climate change Unparalleled opportunities for growth, leadership, and project ownership in a dynamic and rapidly-growing startup company