There are over 7 billion people on this planet, and by 2050 there will be 2 billion more, many moving into urban centers at an unprecedented rate. At John Deere, we are committed to ensuring there is enough food, fiber, and infrastructure for our rapidly growing world by investing in people and technology like never before. We bring together the brightest minds to tackle the world’s biggest challenges, believing one person can make a difference. John Deere is an equal opportunity employer, providing fair consideration regardless of race, religion, color, national origin, sex, age, sexual orientation, gender identity, veteran status, or disability. This Senior Electrical Engineer – Engine Management Systems role, based onsite in Horicon, WI, involves leading the design and development of EMS hardware and software for small internal combustion engines (1–4 cylinders), ensuring performance, reliability, and compliance standards are met. The role requires subject matter expertise in EMS-related components such as sensors, actuators, and control modules, while providing guidance on diagnostics, troubleshooting, and optimization. Responsibilities include collaborating with cross-functional teams, working with suppliers on technical requirements, ensuring seamless EMS integration into vehicle platforms, supporting validation and testing, performing root cause analysis, and engaging with stakeholders to deliver innovative solutions. Required qualifications include 5+ years of EMS design and diagnostics experience for small engines, 5+ years of electronic hardware design experience, 3+ years with J1939 CAN or NMEA 2000 protocols, strong knowledge of combustion engine operation and emissions control, hands-on experience with sensors and actuators, EMC familiarity, strong problem-solving and communication skills, and leadership experience. Preferred qualifications include experience with vehicle electrical systems (agriculture, turf, recreational vehicles, automotive, or construction), familiarity with ISO 26262/25119 safety standards, diagnostic protocols (J1939 DMA, UDS, OBD/OBDII), embedded software development, and project management. A Bachelor’s or Master’s degree in Electrical Engineering, Electrical and Computer Engineering, Automotive Engineering, or Mechanical Engineering is required. The compensation range is $107,136 to $160,704 plus benefits, including flexible work arrangements, competitive pay and bonuses, retirement plans, healthcare with HSA contributions, adoption assistance, tuition support, employee discounts, wellness benefits, charitable contribution match, and more. Visa sponsorship is not available. Applicants must be 18 or older. John Deere reserves the right to amend or terminate benefits as needed. For more details, visit the Total Rewards Package link provided in the job posting.