Job description
Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities.
We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. PF Battery System Engineer Position Title Battery System Engineer Location Wuxi, China Job Summary The PF Battery Engineer will be responsible for the engineering development, integration, validation, and continuous improvement of PF (Purchased Finished) Battery systems for Caterpillar electrification products.
This role serves as the primary technical interface between battery suppliers and machine development teams, ensuring battery solutions meet application requirements for performance, safety, reliability, durability, manufacturability, and cost. The engineer will work closely with global battery teams, e. Powertrain system engineers, software teams, validation teams, machine integration engineers, and battery suppliers to successfully deliver battery products for electrified construction and mining equipment.
Key Responsibilities
Battery Product Development Lead PF battery engineering activities from concept through production implementation. Define battery system technical requirements based on machine application needs. Manage technical development and issue resolution with battery suppliers. Support battery architecture evaluation, benchmarking, supplier selection, and technical assessments.
Review battery design documentation, specifications, DFMEA, DVP&R, test reports, and production readiness. Battery System Integration Support integration of battery systems into machine platforms. Collaborate with machine integration project team leaders on packaging, mounting, cooling, HV routing, and serviceability.
Evaluate battery interfaces including: Electrical Mechanical Thermal Communication Functional Safety Ensure compatibility between battery, inverter, charger, motor, and machine control systems. Battery Validation & Testing Develop battery validation plans and test strategies. Review supplier validation activities and test results.
Support: Functional testing Environmental testing Thermal performance testing Durability testing Abuse testing Vehicle/Machine-level validation Lead root cause analysis and corrective actions for battery-related issues. Supplier Technical Leadership Serve as the primary engineering focal point for PF battery suppliers.
Conduct technical design reviews with suppliers. Drive issue resolution and risk mitigation. Monitor supplier development progress, technical maturity, and readiness. Support APQP, PPAP, and production launch activities. Battery Performance & Optimization Evaluate battery performance including: Energy capacity Power capability Charging performance Thermal behavior Efficiency Aging characteristics Drive continuous improvement in: Cost Reliability Performance Manufacturability Cross-Functional Collaboration Work closely with: Battery System Team BMS Engineering Power Electronics Team Controls & Software Team Machine Integration Team Validation Team Procurement Team Product Support Team External Battery Suppliers to ensure successful delivery of electrification programs.
Required Qualifications Education Bachelor's degree or above in: Electrical Engineering Electrochemical Engineering Mechanical Engineering Energy Storage Automotive Engineering Related Engineering Discipline Experience 5+ years of battery engineering experience. Experience developing lithium-ion battery systems. Experience with supplier-managed battery products preferred.
Experience in automotive, commercial vehicle, construction equipment, mining equipment, or energy storage industries preferred. Technical Skills Strong understanding of: Lithium-ion battery technology Battery pack architecture Cell/module/pack design Battery thermal management Battery safety requirements Battery degradation mechanisms High-voltage systems Battery testing and validation Experience with: CAN communication Battery diagnostics BMS fundamentals DFMEA/PFMEA APQP / PPAP Root Cause Analysis System engineering processes Knowledge of standards: ISO 26262 IEC 62619 UL 2580 GB/T battery standards UN38.
3 Preferred Qualifications Experience working directly with battery suppliers such as CATL, BYD/Fin. Dreams, Sunwoda, EVE, Ganfeng, etc. Experience with off-highway electrification applications. Experience supporting battery sourcing and localization projects. Experience with machine-level electrification programs. Familiarity with charging systems and HV architecture.
Key Competencies Strong technical leadership Systems thinking Problem solving and root cause analysis Supplier management Cross-functional collaboration Effective communication in English and Chinese Ability to manage multiple projects simultaneously Posting Dates: August 4, 2026
- August 30, 2026 Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply Not ready to apply? Join our Talent Community .