Jobs at Mainspring Energy

Lead and execute reliability testing and analyses for electromechanical power systems. Design and run mechanical, shock, vibration, and environmental tests; create test plans/reports; perform root-cause failure analysis; drive FMEAs and CAPA processes; build test equipment and automate repetitive testing; collaborate with design, R&D, and manufacturing to reduce product risk.

Serve as a strategic HR partner to Directors and VPs, advising on talent management, employee relations, workforce planning, organizational effectiveness, leadership coaching, and change management. Build scalable People programs and execute hands-on HR initiatives in a fast-paced, high-growth environment to support organizational performance and growth.

Lead enterprise financial planning, forecasting, long-range planning, and strategic analysis. Advise the CFO and executive team on financial strategy, scenario modeling, and capital allocation. Oversee FP&A managers, improve forecasting and reporting processes, develop Board-level materials, and partner with cross-functional leaders to evaluate investments, pricing, and operational decisions supporting growth and manufacturing scale.

Coordinate high-volume candidate interviews, manage scheduling, travel, accommodations, and reimbursements. Use the applicant tracking system to track and communicate with candidates, host on-site interviews, and collaborate with recruiters and cross-functional stakeholders to ensure a smooth candidate experience.

Own and scale the cloud-to-device software platform for distributed energy assets. Build high-throughput telemetry ingestion and processing, secure remote monitoring, diagnostics and control, and infrastructure for updating remote embedded devices. Ensure extreme reliability and uptime for production systems supporting fleet-scale generators.

The role involves building and running automated test systems, designing workflows for system validation, and conducting failure analysis to maintain test systems for quality assurance.

Lead the architecture of cloud-to-field software ecosystem for distributed energy assets, ensuring high availability and integrating AI methodologies for optimization.

Lead critical product development initiatives for the Linear Generator, managing cross-functional teams through program execution and ensuring manufacturing readiness.

Design and develop frame and air spring subsystems for a linear generator: 3D CAD, FEA/CFD analysis, testing, V&V, root cause investigation, manufacturing support (DFM/DFA), cross-functional integration, and process improvement to meet durability, thermal, alignment, vibration, acoustic, and reliability requirements.

Lead sustaining engineering for fleet controls: diagnose root causes across mechanical, electrical, and software domains; debug and modify C++ control code; use Python for data analysis; tune control gains; collaborate across teams to improve reliability and support testing and lifecycle maintenance.

Lead architecture and development of test automation and hardware testbeds to validate real-time embedded controls and multi-fuel systems. Own system-level validation, CI/CD pipelines, failure analysis, risk-based test strategies, and cross-functional collaboration to ensure safe, reliable distributed energy asset operation.

Monitor system alerts overnight, follow troubleshooting flowcharts, restart hardware or escalate to senior engineers, maintain detailed logs, and provide flexible shift coverage including weekends and vacation coverage. Work independently on electro-mechanical hardware and software systems, executing defined procedures to resolve issues promptly.

Lead design and development of frame and air spring systems for Linear Generators, ensuring structural integrity and performance while collaborating with cross-functional teams to meet engineering requirements.

The Senior Manager of Channel Sales will drive revenue growth in Mexico and the Caribbean by recruiting partners, managing deals, and executing market strategies for Mainspring's energy solutions.

Lead cross-functional coordination between Sales, Legal, Finance, Project Delivery, Product, and Leadership to drive commercial contract negotiation and execution. Manage multiple deals, track contract status, remove blockers, standardize templates and fallback positions, and implement process improvements and automation to improve contracting efficiency and visibility.

Own supplier quality from NPI through volume production for complex components and special processes. Develop control plans, approve PPAPs, run SPC and Cp/Cpk analysis, lead supplier audits and SCAR closure using 8D, manage NCR dispositions, and serve as SQE subject-matter expert for special processes.

Lead the design and deployment of control systems for automation in manufacturing, ensuring quality and compliance while mentoring junior staff.

Lead end-to-end technical program management for software in hardware-integrated products. Own integrated master schedules, drive cross-functional execution, enforce scalable engineering workflows, manage risks and budgets, and provide executive reporting on program health to ensure on-time delivery and validation readiness.

The Reliability Test Engineer will lead experiments for Linear Generators, collaborating with engineering disciplines, troubleshooting, analyzing data, and improving testing processes.

Lead release management for embedded hardware and control software, define deployment strategies, manage versioning and rollback, communicate release impact to stakeholders, coordinate Field Operations during updates, and aggregate deployment feedback to improve reliability.