
About Last Energy
Decarbonizing energy with small modular reactors
Key Highlights
- Developing small modular nuclear reactors for clean energy
- Headquartered in Washington, D.C.
- Team size of 51-200 employees
- Focused on reducing construction time and costs
Last Energy is a Washington, D.C.-based company focused on developing small modular nuclear reactors (SMRs) aimed at revolutionizing energy production. With a mission to decarbonize energy and enhance access to clean power, Last Energy is working to reduce construction time and costs associated with...
🎁 Benefits
Last Energy offers competitive salaries, equity options, and a flexible PTO policy to support work-life balance. Employees also benefit from a remote ...
🌟 Culture
Last Energy fosters a culture of innovation and sustainability, prioritizing engineering excellence and collaboration among its team. The company enco...

Mechanical Engineer • Senior
Last Energy • Austin - On-Site
Overview
Last Energy is hiring a Senior Mechanical Engineer to tackle critical mechanical and system-level challenges in modular nuclear power plants. You'll work closely with leadership to innovate and drive projects forward in Austin.
Job Description
Who you are
You are a Senior Mechanical Engineer with a strong background in mechanical systems and a passion for innovation in energy solutions. You thrive in a hands-on environment and enjoy collaborating with leadership to solve complex engineering challenges. Your experience includes working on large-scale projects, and you have a proven track record of delivering results in fast-paced settings. You are comfortable making quick decisions and are eager to contribute your ideas to shape the future of nuclear energy.
You possess excellent problem-solving skills and have a deep understanding of mechanical engineering principles. Your ability to communicate effectively with cross-functional teams allows you to drive projects forward and ensure alignment with company goals. You are motivated by the opportunity to work on groundbreaking technology that has the potential to transform the energy landscape.
What you'll do
As a Senior Mechanical Engineer at Last Energy, you will work directly with the CEO and core leadership team to address the most critical mechanical and system-level challenges facing our modular nuclear power plants. You will be responsible for designing and optimizing mechanical systems, ensuring they meet performance and safety standards. Your role will involve collaborating with various teams to integrate mechanical solutions into the overall product design, contributing to the rapid deployment of our technology.
You will lead engineering efforts to improve manufacturing processes and supply chain efficiency, playing a key role in the development of our fleet-wide product. Your hands-on approach will be essential as you prototype and test new designs, iterating based on feedback and performance data. You will also mentor junior engineers, fostering a culture of innovation and continuous improvement within the team.
What we offer
At Last Energy, you will be part of a pioneering team that is reshaping the future of energy. We offer a competitive salary and benefits package, along with opportunities for professional growth and development. You will work in a collaborative environment where your contributions are valued, and your ideas can make a real impact. Join us in our mission to transform how nuclear energy is designed, built, and delivered.
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