Senior Engineer – Battery Management Systems (BMS)

Caterpillar Inc.; Mossville (IL); On-site; USD 113,000 - 169,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

Paid time off

401(k) savings plans

Health Savings Account

Flexible Spending Accounts

Career Development

Incentive bonus

Disability benefits

Life Insurance

Parental leave

Adoption benefits

Tuition Reimbursement

Job summary

Caterpillar Inc. in Mossville, IL is seeking a Senior Engineer to develop next-generation Battery Management System technologies supporting our electrification strategy. You will define architectures and collaborate across hardware, software, and systems teams to drive innovation in a broad BMS portfolio.

You will design high- and low-voltage systems, manage requirements, and guide product validation and continual improvement efforts for robust performance.

Qualifications

• Bachelor's degree in a technical field is required.
• Strong analytical and communication skills with ability to prioritize.
• Experience with cross-functional teamwork in engineering projects.

Responsibilities

• Design and integrate high-voltage power systems and low-voltage electronic control systems.
• Collaborate with hardware, software, systems, and application engineering teams to develop advanced BMS technologies.
• Define, develop, and manage system and component-level technical requirements.
• Evaluate PCB layouts to verify robustness for high-power applications and ensure EMC certification.
• Analyze and resolve complex technical issues through structured problem-solving and root cause analysis.
• Contribute to the technical strategy, roadmap, and product development initiatives for future electrification platforms.
• Support product validation, testing, and continuous improvement activities for robust system performance.

Skills

Analytical Thinking

Effective Communications

Managing Multiple Priorities

Technical Excellence

Product Design and Development

Education

Bachelor's degree in a technical field

Tools

CAN

Ethernet

SPI

isoSPI

Job description

Career Area:

Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you’rejoining 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’tjust 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.

About IDES:

Caterpillar’s Integrated Drivetrain Energy Solutions (IDES) division will focus on delivering advanced electrified power train, zero-emissions products/technologies, and the solutions and services associated with these technologies. Focus areas include batteries, fuel cells, motors, inverters, micro grid controllers, charging, energy storage systems, lifecycle solutions/services and integration of components for ePowertrain solutions across industries.

We are looking for top talent to build and scale the next generation of technologies, products and services to help our customers build a better—more sustainable—world. We need self-motivated, intelligent and team-oriented individuals to make our plans a reality. Individuals with high emotional intelligence, humility and openness to discovery will thrive in the teams we are building.

What You Will Do

As a Senior Engineer, you will play a key role in developing next-generation Battery Management System (BMS) technologies that support Caterpillar’s electrification strategy. You will collaborate with cross-functional teams to define system architectures, solve complex technical challenges, and drive innovation across a diverse portfolio of battery and power management products.

Key responsibilities include:

• Design and integrate high-voltage power systems and low-voltage electronic control systems.
• Collaborate with hardware, software, systems, and application engineering teams to develop advanced BMS technologies.
• Define, develop, and manage system and component-level technical requirements.
• Evaluate PCB layouts to verify robustness for high-power applications and ensure successful EMC performance and certification.
• Analyze and resolve complex technical issues through structured problem-solving and root cause analysis.
• Contribute to the technical strategy, roadmap, and product development initiatives for future electrification platforms.
• Support product validation, testing, and continuous improvement activities to ensure robust and reliable system performance.

What You Will Have

• Bachelor’s degree in a technical field
• Analytical Thinking : Extensive experience and knowledge of techniques and tools that promote effective analysis; ability to determine the root cause of organizational problems and create alternative solutions that resolve these problems.
• Effective Communications : Extensive experience and understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.
• Managing Multiple Priorities : Extensive experience and knowledge of effective self-management practices; ability to manage multiple concurrent objectives, projects, groups, or activities, making effective judgments as to prioritizing and time allocation.
• Technical Excellence : Extensive experience and knowledge of a given technology and various application methods; ability to develop and provide solutions to significant technical challenges. Demonstrated technical excellence in electrical and electronic disciplines.
• Product Design and Development: Extensive experience and knowledge of product features; ability to design, build, and develop a new product, technology, or service from concept through to production.

Top Candidates Will Also Have

• Knowledge of battery systems, Battery Management Systems (BMS), and energy storage technologies.
• Experience with power electronics design, high-voltage systems, and power distribution architectures.
• Experience with communication protocols such as CAN, Ethernet, SPI, and isoSPI.
• Experience developing and executing electronics validation and testing plans.
• Familiarity with systems engineering methodologies, requirements management, and product development processes.
• Experience working in a highly technical, fast-paced environment with complex system integration challenges.
• Advanced degree in Electrical Engineering or a related field is a plus.

Additional Information

• This position is located in Mossville, IL and requires 5-day a week on-site availability
• Domestic relocation is available for this position
• Visa sponsorship is not available for this position
• 20% or less travel expected for this role

Summary Pay Range:

$112,710.00 - $169,060.00

Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location,job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.

Benefits:

Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.

• Medical, dental, and vision benefits*
• Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
• 401(k) savings plans*
• Health Savings Account (HSA)*
• Flexible Spending Accounts (FSAs)*
• Health Lifestyle Programs*
• Employee Assistance Program*
• Voluntary Benefits and Employee Discounts*
• Career Development*
• Incentive bonus*
• Disability benefits
• Life Insurance
• Parental leave
• Adoption benefits
• Tuition Reimbursement

* These benefits also apply to part-time employees

This position requires working onsite five days a week.

Relocation is available for this position.

Visa Sponsorship is not available for this position.

Posting Dates:

October 5, 2026 - October 19, 2026

Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.