Principal Cloud Platform Software Engineer

Job Summary

Mainspring Energy is reinventing distributed power generation with our Linear Generator – a fuel‑flexible, ultra‑low emissions platform delivering resilient, on‑site power for commercial, industrial, and utility customers. We have a high‑impact opportunity for a Principal Cloud Platform Software Engineer to join our world‑class engineering team as we scale our global fleet and unify cloud, data, and embedded device software under a single technical vision.

• Lead the team building high‑speed systems to ingest and process real‑time telemetry from thousands of remote assets.
• Design and build the infrastructure for secure remote monitoring, diagnostics, and large‑scale OTA software updates on embedded devices.
• Architect distributed data systems (e.g., Snowflake, Spark) to generate actionable insights and autonomous fleet optimizations.
• Drive a reliability‑first culture, implementing systems and processes that ensure 99.99%+ uptime for critical power infrastructure.
• Embed AI into engineering workflows and product architecture to drive measurable gains in developer productivity and system reliability.
• Collaborate with embedded systems, hardware design, and operations teams to ensure software‑to‑hardware synergy and long‑term fleet health.

• 15+ years in software engineering with a proven record of architectural leadership across multiple high‑stakes production teams.
• Deep experience in Industrial IoT, energy systems, industrial automation, or managing fleet‑scale device platforms.
• Deep experience architecting within AWS, GCP, or Azure for distributed systems and large‑scale data platforms.
• Physics‑first systems thinker who understands the interplay between cloud software and high‑availability hardware.
• Expertise in distributed systems and data infrastructure (e.g., Spark, Snowflake, or equivalent high‑throughput telemetry pipelines).
• Demonstrated success in leveraging AI/ML to drive developer productivity, predictive maintenance, and autonomous fleet management.
• Commitment to uptime; you believe 99% isn’t good enough for critical energy infrastructure.
• Excellent communication skills with the ability to articulate complex technical visions to both internal engineering teams and executive stakeholders.

This position is onsite at our Menlo Park HQ. The salary will be adjusted to reflect local market conditions and the experience of the employee. In addition to base salary, Mainspring offers pre‑IPO stock options and benefits.

Mainspring Energy, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.