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Position Overview

Our eMobility Team is growing and we have a great opportunity for HV Battery (Rechargeable Energy Storage System) Electrical Integration Engineer.

The engineer in this position will be responsible for the electrical & electronic aspects of HV battery rechargeable energy storage systems (RESS) including switching, fusing, sensing, and wiring. The work will include collaboration with our suppliers on externally sourced battery solutions in addition to co-development work with our TRATON partners.

This is a hybrid position based in our San Antonio, TX, Rochester Hills, MI, or Lisle, IL locations.

Responsibilities

• Sizing of HV and LV wiring and busbars inside and outside of the RESS

• Sizing of components in the battery distribution unit, such as fuses, contactors, pre-charge resistors, to meet ESS life, durability, and safety requirements

• Specifying and validating sensors used in HV RESS, including cell-monitoring sense circuity, associated ASICs, current, temperature, and gas sensors

• Generate electrical requirements for RESS Design Requirements Documents

• Providing input on wiring, busbar, and component locations with consideration for creepage-and-clearance, EMC, grounding, and thermal influences

• Performing system level stack-ups of sensing errors, communication resolution, interconnection resistances, and environmental effects

• Develop excel-based tools to facilitate quick assessment and visualize impact of changes

• Provide electrical inputs to the RESS modeling engineer

• Providing DFMEA and SFMEA inputs

• DoE to properly validate/verify RESS electrical components via CAE and physical testing

• Responsible for the electrical portion of the RESS DVP&R, including resource planning, authoring test procedures, and assessment of results

• Lead or assist in root-cause analysis (8D) and suggest corrective actions of RESS electricals

• Author and maintain RESS electrical interface requirement documents

• Work with vehicle electrical wiring team to optimize RESS HV architecture and interfaces.

• Integrate the RESS solution into test-benches and development vehicles.

• Must be able to collaborate and work well in teams, including across brands and time-zones

Minimum Requirements

• Bachelor's degree in Engineering or Engineering Technology

• At least 2 years of experience in product design/development

OR

• Master’s degree in Engineering or Engineering Technology

Additional Requirements

• Qualified candidates, excluding current Navistar employees, must be legally authorized on an unrestricted basis (US Citizen, Legal Permanent Resident, Refugee or Asylee) to be employed in the United States. Navistar does not anticipate providing employment related work sponsorship for this position (e.g., H-1B status)

Desired Skills

• Electrical Engineering degree, MS or PhD preferred

• Working knowledge of thermodynamics, EMC/EMI, grounding best practices

• Working knowledge of circuit modeling & simulation (MATLAB/Simulink, xSpice, or similar)

• Working knowledge of on/off vehicle DAQ systems

• Must be able to perform electrical and statistical calculations to support component sizing (current at power, voltage at power, etc.)

• Hands on experience with power-electronics and electrified propulsion systems

• Experience with physical testing of electrical components

• Working knowledge of CAN, LIN, and other relevant communication protocols

• Hands-on experience working on HV lithium-ion batteries

• Familiar with design-for-serviceability concepts

• Working knowledge of HV battery management systems, cell balancing, HV isolation monitoring

• DFSS green or black-belt certification preferred

• Ability and flexibility to travel

Company Overview

Navistar, Inc. (“Navistar”) is a purpose-driven company, reimagining how to deliver what matters to create more cohesive relationships, build higher-performing teams and find solutions where others don’t.

Based in Lisle, Illinois, Navistar or its subsidiaries and affiliates produce International® brand commercial trucks and engines, IC Bus® brand school and commercial buses, all-makes OnCommand® Connection advanced connectivity services, and Fleetrite®, ReNEWeD® and Diamond Advantage® brand aftermarket parts.

With a history of innovation dating back to 1831, Navistar has more than 14,500 employees worldwide and is part of TRATON SE, a global champion of the truck and transport services industry. Additional information is available at www.Navistar.com.

Accelerating the Impact of Sustainable Mobility

Visit us at www.Navistar.com to discover more about our organization

Navistar is an Equal Opportunity Employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

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