Revolutionizing power generation with the world's most flexible and adaptable onsite power generator, the Mainspring Linear Generator.

Mainspring Energy, backed by prominent investors like Khosla Ventures and Bill Gates, is seeking a Fleet Operations & Analytics Engineer to join their innovative team in Menlo Park. This role sits at the intersection of operations, systems engineering, and analytics, focusing on managing their sophisticated Linear Generator fleet.

The position offers an exciting opportunity to work with cutting-edge power generation technology in a rapidly growing company. As a founding member of the Operations & Analytics Team, you'll be responsible for monitoring and operating the Linear Generator fleet, conducting advanced data analysis, and developing automation tools to improve product performance.

The role requires a unique blend of technical skills, including systems engineering knowledge, data analytics expertise, and Python programming capabilities. You'll work in a cross-functional environment, collaborating with Service, Engineering, and Sales teams while delivering critical insights on fleet performance and compliance.

This is an ideal opportunity for an engineer who wants to make a significant impact in the clean energy sector. The position offers competitive compensation ($95,000-$108,000) plus pre-IPO stock options and benefits. The role requires working from the Menlo Park HQ and includes the possibility of weekend coverage as part of the schedule (Tues-Sat or Sun-Thur).

Mainspring Energy values pragmatic optimism, excellence without ego, and proactive collaboration. They're committed to building a diverse and inclusive workplace, welcoming candidates who might not meet all listed requirements but share their vision of transitioning the world to clean and affordable electricity.

Fleet Operations & Analytics Engineer position at Mainspring Energy, focusing on managing and analyzing performance of Linear Generator fleet operations while developing automation tools.

Fleet Operations & Analytics Engineer

Mainspring Energy revolutionizes power generation with the world's most flexible and adaptable onsite power generator, the Mainspring Linear Generator.

Mainspring Energy is seeking a Software Test Engineer to join their mission of revolutionizing power generation with their innovative Linear Generator technology. This role combines embedded systems, networking, and IoT with real-time operating systems, offering an exciting opportunity to work on cutting-edge clean energy solutions. The position is based at their Menlo Park HQ, where you'll be part of a world-class engineering team developing and executing test plans, building automation, and ensuring product quality.

The company, backed by prominent investors like Bill Gates and Khosla Ventures, is rapidly expanding in the $816B global electricity equipment market. They're looking for someone who can dive into new development and formulate testing approaches for complex systems. You'll have significant influence over product quality, working with developers to understand new features and create innovative testing solutions.

The role offers a competitive salary range of $105,000-$119,000, along with pre-IPO stock options and benefits. Mainspring values pragmatic optimism, excellence without ego, and proactive collaboration. They're committed to building a diverse and inclusive environment, encouraging applications even if candidates don't meet all listed requirements.

This position is perfect for someone passionate about quality assurance in embedded systems, with experience in automation using Python, bash, and C++. Knowledge of Docker, Kubernetes, and Ansible is desired, along with familiarity with test tools like Jira, Xray, and GitLab. You'll be contributing to Mainspring's vision of an affordable, reliable, net-zero carbon grid while working with cutting-edge technology in a collaborative environment.

Software Test Engineer position at Mainspring Energy, focusing on embedded systems testing and automation for innovative power generation technology.

Software Test Engineer (Embedded)

Mainspring Energy revolutionizes power generation with the world's most flexible and adaptable onsite power generator, the Linear Generator.

Mainspring Energy is seeking a Senior Staff Systems Engineer to join their innovative team working on revolutionary power generation technology. The role focuses on architecting and integrating complex multi-domain systems for their Linear Generator - a sophisticated machine combining electrical, mechanical, thermodynamic, and automation subsystems.

The company is backed by prestigious investors including Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, and operates in the $816B global electricity equipment market. Mainspring's Linear Generator technology offers unique advantages including fuel flexibility, demand-responsive operation, and near-zero NOx emissions through flameless technology.

As a Senior Staff Systems Engineer, you'll play a crucial role in defining system behavior, analyzing performance trade-offs, and ensuring robust operation across various conditions. The position requires strong interdisciplinary expertise and deep understanding of dynamic system interactions. Key responsibilities include developing structured, verifiable system requirements, creating clear system architectures, and conducting data-driven analysis to optimize performance.

The ideal candidate brings 15+ years of engineering experience with at least 3 years in systems engineering. You'll work closely with cross-functional teams including controls, software, electrical, and mechanical engineers to ensure seamless integration. The role offers competitive compensation ($183,000-$216,000) plus pre-IPO stock options and benefits.

Mainspring values pragmatic optimism, excellence without ego, and proactive collaboration. They're committed to building a diverse and inclusive environment, welcoming candidates who may not meet all listed requirements but share their vision of transitioning the world to clean and affordable electricity.

Senior Staff Systems Engineer position at Mainspring Energy, focusing on system architecture and integration for their Linear Generator technology.

Senior Staff Systems Engineer

Mainspring Energy is at the forefront of revolutionizing power generation with their innovative Mainspring Linear Generator technology. As a Staff Embedded Software Engineer, you'll join a company backed by prestigious investors like Khosla Ventures and Bill Gates, operating in the $816B global electricity equipment market.

The role focuses on embedded systems development, where you'll lead the creation of software for various system components. From day one, you'll be hands-on, closing your first issue and reviewing merge requests. Within your first month, you'll deliver a driver for new hardware, and throughout your first year, you'll contribute to next-generation architecture development.

The position requires expertise in embedded systems programming, particularly with C++ and Linux systems. You'll be responsible for leading software development, mentoring team members, designing communication protocols, and making critical decisions about hardware selection. The role combines technical leadership with hands-on development, requiring both deep technical knowledge and strong collaborative skills.

Working from the Menlo Park HQ, you'll be part of a company culture built on pragmatic optimism, excellence without ego, and proactive collaboration. The compensation package includes a competitive salary range of $161,000-$189,000, pre-IPO stock options, and benefits, reflecting the company's commitment to attracting top talent.

This is an opportunity to contribute to sustainable energy solutions while working with cutting-edge technology. The company's focus on clean and affordable electricity, combined with their innovative approach to power generation, makes this an exciting role for someone passionate about both technical excellence and environmental impact.

Mainspring values diversity and encourages applications even if candidates don't meet all requirements, demonstrating their commitment to building an inclusive and flexible workplace. The role offers significant growth potential and the chance to make a meaningful impact in the clean energy sector.

Staff Embedded Software Engineer position at Mainspring Energy, developing embedded systems for revolutionary power generation technology.

Mainspring Energy Engineering Jobs

Revolutionizing power generation with the world's most flexible and adaptable onsite power generator, the Mainspring Linear Generator.