Senior Product Development Engineer
Navistar
San Antonio, TX · Posted November 2, 2026
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About the job
Position Overview
International Motors is seeking a Senior Product Development Engineer to play a critical role in supporting all stages of a product's lifecycle, including product development, modifications, upgrades, maintenance, and continuous improvement initiatives. In this role, you will collaborate with cross-functional engineering teams across the plant and broader organization to ensure product performance, quality, reliability, and customer satisfaction.
As a central technical resource, you will work closely with Design Engineering, Manufacturing Engineering, Process Engineering, Testing, Quality, Supply Chain, and Marketing teams to successfully transition products from concept through production, launch, distribution, and ongoing field support.
This position offers the opportunity to influence product strategy, drive engineering excellence, and contribute to the successful delivery of innovative solutions that support International Motors' business objectives.
As International Motors continues to grow in San Antonio, we are expanding our production operations with the introduction of a night production shift. The night shift is Monday through Thursday from 5:30 PM to 4:00 AM , with production planned to begin in early 2027. This is a salaried position supporting a manufacturing operation. While the primary schedule aligns with the designated production shift, employees are expected to provide operational support as needed to meet business objectives. This may require working outside normal production hours, including extended shifts, production startup activities, recovery efforts, and occasional weekend support based on operational requirements.
Shift Differential: 10% differential upon transitioning to Night Shift work schedule.
Responsibilities
Lead and support all phases of the product lifecycle, including design, development, validation, launch, production support, maintenance, and end-of-life activities.
Serve as the primary engineering resource for assigned products and product lines, ensuring performance, quality, reliability, and cost objectives are achieved.
Collaborate with cross-functional teams including Design Engineering, Manufacturing, Quality, Testing, Supply Chain, Purchasing, and Marketing to drive successful product execution.
Identify, investigate, and resolve product design, manufacturing, and field performance issues through structured root cause analysis and corrective actions.
Develop, review, and release engineering documentation, including specifications, drawings, bills of materials, engineering change notices, and test plans.
Support product validation and verification activities to ensure compliance with customer, regulatory, and company requirements.
Lead product improvement initiatives focused on quality, reliability, manufacturability, serviceability, and cost reduction.
Analyze product performance data, warranty information, and customer feedback to identify opportunities for continuous improvement.
Coordinate engineering changes and ensure effective implementation across manufacturing and supply chain operations.
Provide technical support to manufacturing plants, suppliers, internal stakeholders, and customers as needed.
Participate in design reviews, risk assessments, and problem-solving activities to ensure robust product development.
Support new product introduction activities, ensuring smooth transitions from development into production.
Mentor junior engineers and contribute technical expertise to cross-functional project teams.
Drive project execution by managing technical deliverables, schedules, risks, and stakeholder communications.
Ensure adherence to engineering standards, quality systems, and applicable industry regulations.
Minimum Requirements
Bachelor's degree in Engineering, Engineering Technology or Computer Science and at least 1 year of product design/development and/or computer science experience
OR
Master's degree in Engineering, Engineering Technology or Computer Science
Additional Requirements
Qualified candidates, excluding current employees, must be legally authorized on an unrestricted basis (US Citizen, Legal Permanent Resident, Refugee or Asylee) to be employed in the United States. We do not anticipate providing employment related work sponsorship for this position (e.g., H-1B status)
Desired Skills
Experience leading cross-functional product development efforts and influencing stakeholders across engineering, manufacturing, quality, and business teams.
Strong analytical and problem-solving skills with the ability to evaluate complex technical issues, identify root causes, and implement effective solutions.
Proficiency with product lifecycle management (PLM) systems, engineering change management processes, and data-driven decision making.
Excellent verbal and written communication skills, with the ability to present technical information clearly to both technical and non-technical audiences.
Benefits and Compensation
This position offers competitive market-based compensation, along with a comprehensive benefits package designed to support employee wellbeing. You can learn more about the benefits offered for this position by visiting https://careers.international.com/#benefits .
The expected salary offered for this position will fall within the stated range, with the final offer based on the candidates' applicable skills, knowledge, and experience.
Company Overview
About TRATON With its brands Scania, MAN, International, and Volkswagen Truck & Bus, TRATON SE is the parent and holding company of the TRATON GROUP and one of the world’s leading commercial vehicle manufacturers. The Group’s product portfolio comprises trucks, buses, and light-duty commercial vehicles. “Transforming Transportation Together. For a sustainable world.”: this intention underlines the Company’s ambition to have a lasting and sustainable impact on the commercial vehicle business and on the Group’s commercial growth.
About International From a one-man company built on the world-changing invention of the McCormick reaper in 1831, to the 15,000-person-strong company we are today, few companies can lay claim to a history like International. Based in Lisle, Illinois, International Motors, LLC* creates solutions that deliver greater uptime and productivity to our customers throughout the full operation of our commercial vehicles. We build International® trucks and engines and IC Bus® school and commercial buses that are as tough and as smart as the people who drive them. We also develop Fleetrite® aftermarket parts. In everything we do, our vision is to accelerate the impact of sustainable mobility to create the cleaner, safer world we all deserve. As of 2021, we joined Scania, MAN and Volkswagen Truck & Bus in TRATON GROUP, a global champion of the truck and transport services industry. To learn more, visit International.com .
*International Motors, LLC is d/b/a International Motors USA in Illinois, Missouri, New Jersey, Ohio, Texas, and Utah.
EEO Statement
We are 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.
If you are a qualified individual with a disability and require a reasonable accommodation to access the online application system or participate in the interview process due to your disability, please email HUB@International.com to request assistance. Kindly specify Job Requisition Number / Job Title and Location in response. Otherwise, your request may not be considered.
Lead and support all phases of the product lifecycle, including design, development, validation, launch, production support, maintenance, and end-of-life activities.
Serve as the primary engineering resource for assigned products and product lines, ensuring performance, quality, reliability, and cost objectives are achieved.
Collaborate with cross-functional teams including Design Engineering, Manufacturing, Quality, Testing, Supply Chain, Purchasing, and Marketing to drive successful product execution.
Identify, investigate, and resolve product design, manufacturing, and field performance issues through structured root cause analysis and corrective actions.
Develop, review, and release engineering documentation, including specifications, drawings, bills of materials, engineering change notices, and test plans.
Support product validation and verification activities to ensure compliance with customer, regulatory, and company requirements.
Lead product improvement initiatives focused on quality, reliability, manufacturability, serviceability, and cost reduction.
Analyze product performance data, warranty information, and customer feedback to identify opportunities for continuous improvement.
Coordinate engineering changes and ensure effective implementation across manufacturing and supply chain operations.
Provide technical support to manufacturing plants, suppliers, internal stakeholders, and customers as needed.
Participate in design reviews, risk assessments, and problem-solving activities to ensure robust product development.
Support new product introduction activities, ensuring smooth transitions from development into production.
Mentor junior engineers and contribute technical expertise to cross-functional project teams.
Drive project execution by managing technical deliverables, schedules, risks, and stakeholder communications.
Ensure adherence to engineering standards, quality systems, and applicable industry regulations.
Bachelor's degree in Engineering, Engineering Technology or Computer Science and at least 1 year of product design/development and/or computer science experience
OR
Master's degree in Engineering, Engineering Technology or Computer Science