Sr. Engineer, Controls

YRH - PACKSIZE LLC; Louisville (KY); On-site; USD 90,000 - 125,000; Full time

Benefits offered by this job

401(k) matching

Bonus program

Job summary

Packsize in Louisville, KY is seeking a PLC/Controls engineer to manage and sustain complex PLC OOP codebases across Codesys, B&R, and Siemens platforms. You will contribute to architecture, development, and commissioning of new machines, with emphasis on safety and reliability.

Ideal candidates have a BS in ME/EE/CS, strong motion control, embedded software in Python/C/C++, and experience with EtherCAT, Git, and engineering change processes.

Qualifications

• Bachelor's degree in ME/EE/CS or similar required.
• Experience in motion control and embedded software development.
• Proficiency in Python, C, C++, or C# for high‑level programming.
• Proven experience with IEC 61131-2/PLCopen languages (Structured Text required).
• Git/SVN for code management and collaboration.

Responsibilities

• Manage and sustain PLC code bases for multiple industrial platforms.
• Develop high level OOP code in Codesys, B&R, and Siemens environments.
• Commission new machines and assist in code architecture decisions.
• Maintain code in repositories and document control designs.
• Develop testing plans and assist with test execution.
• Track project status using Azure DevOps/Confluence and travel to sites as needed.

Skills

OOP programming

Codesys

Siemens PLC

B&R Automation Studio

TwinCAT

Git/SVN

EtherCAT

Safety systems

Automation protocols

Education

Bachelor's degree in ME/EE/CS

Tools

TwinCAT

Git

SVN

Codesys

Siemens PLC

B&R Automation Studio

EtherCAT

Job description

Job Description: About Packsize

Packsize is an automation company that enables more efficient and sustainable packaging process flows from packing to unboxing. We’re propelling our customers and the industry forward, always looking to innovate and improve. Because, to us, packaging is about much more than a box; it’s about delivering what’s right, for our customers, for their customers and our planet.

Role

Packsize is seeking to hire a PLC/Controls engineer in Louisville, KY. The focus of this role will primarily be to manage and sustain complex PLC OOP code bases, developed in Codesys and B&R, currently running on multiple Packsize machine platforms. Secondary responsibilities will be to maintain the code on a machine built around a Siemens PLC. There will also be some development of new code based on part obsolescence, safety issues, customer requirements and code restructures.

What You’ll Bring

• Bachelor's degree (BS) from four-year college or university in Mechanical Engineering (ME), Electrical Engineering (EE), Computer Science (CS) or similar.
• Motion physics and advanced motion control programming.
• Application and/or firmware development experience in a high-level (OOP) language (Python, C, C++, C #).
• IEC 61131-2/PLCopen programming languages (structured text is a must, FBD is a plus).
• Experience with Git/SVN including commit, branching, merging, debug and related functions for code development and management.
• Industrial Ethernet (EtherCAT, PowerLink etc..).
• Familiar with various closed-loop feedback control strategies.
• Programmable safety expertise.
• Experience in Codesys, Seimens, and B&R Automation Studio (TwinCAT a plus).
• Familiar with agile approaches to product development (both participant and leader).
• Ability to read electrical schematics.
• Ability to troubleshoot electrical and mechanical issues.
• Curious with a continuous improvement mindset.
• Experience with an Engineering Change Process (ECO/ECN).

What You'll Do

• Manage and sustain PLC code bases for various industrial controls platforms.
• Develop high level OOP structured text code in Codeys, B&R Automation and Siemens.
• Commission new machines (machines contain servo drives, various sensors, pneumatic actuators and gluers). Help architect code.
• Maintain code in repositories.
• Document control application designs.
• Program automation applications.
• Develop formal test plans and scripts, then work with a testing team to execute the test.
• Estimate implementation effort to develop automation applications.
• Troubleshoot and resolve application issues.
• Track and report project status (using Azure DevOps, Confluence etc.).
• Travel to customer locations to resolve technical problems.
• Participate in brainstorming and ideation sessions around product development and improvement.
• Support machines during development, production and operation (remote and on-site support).
• Assist in creating project plans.
• Provide input on resource allocation.
• Assess skill sets and resource strengths/weaknesses for staffing projects.
• Mentor other engineers.

A few other things

• Up to 10% travel as needed.
• Ability to do the physical work necessary to fabricate prototypes (using machine shop tools, turning wrenches etc.) and building machines.

What we offer

Packsize offers a competitive benefits package including paid time off, Health, Dental, Short Term/Long Term Disability, Life, 401(k) matching, and a bonus program. Salary will be commensurate with experience.

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 encouraged to apply. Reasonable accommodation in the application process will be provided to qualified individuals with disabilities.

We offer a comprehensive benefits package that includes medical, dental, and vision coverage; a 401(k) retirement plan; Paid Time Off; Health Savings and Flexible Spending Accounts (HSA/FSA); and life and disability insurance. Additional voluntary benefits include critical illness, hospital indemnity, accident, and legal/ID theft protection.

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.

Packsize creates and maintains more efficient and sustainable packaging process flows from packing to unboxing. We’re propelling our customers and the industry forward, always looking to innovate and improve. At Packsize, packaging is much more than a box. It's about delivering what's right, for our customers, for their customers, and for our planet.