Job Description:
About Packsize
Packsize is redefining the way businesses and their customers use and experience packaging around the world. We build the technology, design the right solutions, and automate the processes that propel the industry forward. To us, packaging is much more than a box—it’s delivering what’s right for our customers, their customers, our people, and the planet.
About the Role
The Senior Mechanical Engineer – ETO (Engineer to Order) will serve as a technical leader within the ETO Team in Louisville, KY, focusing on customized mechanical design and system integration for packaging automation systems. This role requires a solid engineering foundation, creativity, and strong collaboration skills to deliver tailored solutions that align with Packsize’s high standards for performance, reliability, and sustainability.
You will lead the design and integration of Packsize technology with third-party hardware and software systems such as conveyance, dimensioners, printers, scanners, and vision systems. You’ll also mentor junior engineers, support cross-functional design reviews, and drive the continuous improvement of design processes and documentation standards.
What You'll Bring
BS/MS in Mechanical Engineering or a related field
7+ years of relevant experience in machine design, automation, or related industries
Proficiency in Creo for 3D CAD design and Windchill for PDM/PLM data management
Experience with SolidWorks and 3DExperience platforms is a plus
Proven ability to lead mechanical design projects from concept through production
Strong understanding of design for manufacturing, serviceability, and reliability
Experience integrating mechanical, electrical, and software systems
Knowledge of automation components, sensors, and motion systems
Familiarity with lean product development and design thinking methodologies
Excellent problem-solving, mentoring, and communication skills
Experience transferring designs from prototype to production environments
Understanding of industrial safety standards and risk assessment processes
What You’ll Do
Lead the mechanical design of custom ETO packaging systems and components
Collaborate with cross-functional teams to define customer requirements and technical specifications
Develop and review detailed 3D models, drawings, and BOMs in Creo and Windchill
Integrate external hardware/software into Packsize machines (conveyors, scanners, printers, etc.)
Provide engineering guidance throughout the product lifecycle—from concept to installation
Conduct design reviews, tolerance analyses, and risk assessments
Support prototype builds and perform hands-on testing, troubleshooting, and validation
Ensure design compliance with Packsize standards, safety, and quality requirements
Mentor junior engineers and contribute to team development and knowledge sharing
Drive continuous improvement initiatives in design processes and documentation
Collaborate closely with manufacturing, supply chain, and service teams to ensure successful product delivery
A Few Other Things
Up to 25% travel as needed for customer site visits and installations
Ability to perform hands-on prototype fabrication and assembly as needed
Comfortable working in a dynamic, collaborative, and innovative R&D environment
What We Offer
The salary range for this role is $85,640-104,909; however, Packsize considers several factors when determining compensation when extending a job offer, including but not limited to, the role being offered, the associated responsibilities, the candidate's prior work experience, education/training, and any special skills.
If this role excites you but you don’t meet each requirement listed, we encourage you to apply anyway. At Packsize, we welcome applicants of all backgrounds and experiences and understand that the best candidates may come from the most unlikely of places.
Packsize is an Equal Opportunity employer and is committed to diversity in its workforce. In compliance with applicable federal and state laws, Packsize policy of equal employment opportunity prohibits discrimination on the basis of race or ethnicity, religion, color, national origin, sex, age, sexual orientation, gender identity/expression, veteran’s status, status as a qualified person with a disability, or genetic information. Individuals from historically underrepresented groups, such as minorities, women, qualified persons with disabilities and protected veterans are strongly encouraged to apply. Reasonable accommodations in the application process will be provided to qualified individuals with disabilities.
Top Skills
What We Do
Packsize International is the award-winning supply chain and sustainable packaging industry leader in North America, Europe, and Asia-Pacific. Packsize introduced On Demand Packaging® in 2002. Today, as a multinational manufacturer of advanced packaging systems and automated packaging machine technology, Packsize B2B customers receive a tailored pre-configured packaging system and optimized workflow designed to deliver the scalable performance and reliability needed for highly efficient packaging environments. Our corrugated machine systems, proprietary software, workflow design solutions, and services deliver Right-sized Packaging on Demand®. Packsize customers increase B2C engagement, satisfaction, and loyalty while improving their supply chain and sustainability requirements.
Packsize Right-sized Packaging on Demand® solves both the rising price of paper and demand dilemmas that prompt unsustainable shipping practices. The right-sized box has become the preferred choice by reducing the consumption of corrugated and waste through the ability to size the shipping container to the product order.









