ON.energy
Senior Manufacturing Engineer
Houston, Texas, United States · Senior
Sponsorship not specifiedDetected 11 days ago
SAPSupply ChainProcess ImprovementERPGD&TPower ElectronicsLabVIEWTest AutomationCommunicationProblem SolvingLean Manufacturing
About the role
- This role sits at the intersection of electrical, mechanical, and controls disciplines.
Responsibilities
- Develop and document manufacturing processes, assembly sequences, and standard work instructions for BESS enclosures, DC subsystems, power conversion systems (PCS), and medium-voltage UPS/microgrid assemblies.
- Lead Design for Manufacturing and Assembly (DFMA) reviews with product and design engineering to improve manufacturability, reduce part count, and drive down cost before designs are released.
- Define and validate station-level requirements: workstations, tooling, fixtures, torque and crimp specs, cabling and busbar routing, and material flow across the line.
- Partner with contract manufacturers on process transfer, first-article inspection (FAI), production ramp, and ongoing process control
- Drive root-cause analysis (8D, 5-Why, fishbone) on quality escapes and line stoppages, and implement corrective/preventive actions.
- Lead continuous-improvement initiatives using Lean and Six Sigma methods (value-stream mapping, kaizen, SPC) to improve yield, throughput, and cost per unit.
- Own engineering change management (ECN/ECO) from the manufacturing side, including bill-of-material (BOM) accuracy, routings, and configuration control in the ERP/PLM system.
- Support production capacity planning, line balancing, and takt-time analysis to meet build schedules.
- Champion a safety-first culture on the floor: LOTO, arc-flash and high-voltage/medium-voltage safe work practices, and ergonomic workstation design.
Requirements
- Bachelor's degree in Mechanical, Electrical, Manufacturing, or Industrial Engineering (or equivalent experience).
- Proficiency with DFMA principles, GD&T, and reading electrical schematics and mechanical drawings.
- Experience creating work instructions, process FMEAs, control plans, and test procedures.
- Experience working in an ERP/PLM environment (e.g., SAP, Oracle, Arena, Windchill) for BOMs, routings, and change control.
- Strong problem-solving skills, disciplined documentation habits, and the ability to work cross-functionally across engineering, quality, supply chain, and operations.
Nice to have
- Experience with battery module/pack integration, BMS interfaces, and thermal management.
- Experience with medium-voltage equipment and microgrid or UPS integration.
- Knowledge of relevant standards: UL 9540 / UL 9540A, UL 1741, IEC 62933, NFPA 70/70E, and applicable UPS standards (e.g., UL 1778 / IEC 62040).
- Experience standing up a new production line or transferring a product to a contract manufacturer.
- Familiarity with test automation, data acquisition (e.g., LabVIEW), and EOL test system development.
- For US-based roles - What you'll get:
- 401(k) with company match
- For Mexico-based roles - What you'll get:
Compensation
- Competitive salary + annual performance-based bonus eligibility
Benefits
- Competitive salary + annual performance-based bonus eligibility
- Medical, dental, and vision insurance
- Paid time off and company holidays
- Competitive salary + annual performance bonus eligibility
- Major medical expenses and life insurance
- Paid time off and holidays (per local policy)
- Benefits vary by role and location and are subject to change.
Company info
- 3+ years of manufacturing/process engineering experience with electromechanical products - energy storage, power electronics, UPS, switchgear, electric vehicle, or similar high-voltage/high-power hardware strongly preferred.
Equal opportunity
- ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
- Accommodations: If you need an accommodation during the application process, email recruitment@onenergystorage.com
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