Aftermarket Electrical Controls Engineer

Serpa Packaging Solutions is looking for an Aftermarket Electrical Controls Engineer to support our installed base of automated packaging equipment. As the Aftermarket Electrical Controls Engineer, you’ll be a key technical resource for customers, field service technicians, and internal teams – providing controls expertise, troubleshooting, upgrades, and ongoing system improvements. In this role, you will focus on post-installation support, including remote and on-site troubleshooting, controls retrofits, software updates, and customer assistance.

The role requires up to 50% travel to customer facilities. When not traveling, the engineer will work from our Visalia, CA office, supporting customers and technicians through phone, email, and internal collaboration.

• Provide controls and automation support for existing customer equipment in the field.
• Troubleshoot PLC, HMI, electrical, and system-level issues remotely and on-site.
• Support field service technicians during installations, upgrades, retrofits, and repairs.
• Modify and update PLC/HMI programs to improve performance, reliability, and functionality.
• Assist customers with system diagnostics, operational questions, and process improvements.
• Support Aftermarket upgrades, retrofits, rebuilds, and controls modernization projects.
• Review electrical schematics and documentation to support troubleshooting and modifications.
• Collaborate with engineering, service, and sales teams to resolve customer issues efficiently.
• Participate in customer validation, acceptance testing, and on-site commissioning as needed.
• Travel to customer facilities for service, troubleshooting, and support (up to 50%).

• B.S. in Electrical Engineering, Controls Engineering, a related field or relevant experience.
• Minimum of 3 years of experience in machine controls or industrial automation.
• Strong experience with Allen‑Bradley PLCs and HMIs (hardware and software).
• PLC and HMI programming, debugging, and troubleshooting experience.
• Electrical hardware and schematic interpretation experience (CAD exposure preferred).
• Experience supporting or troubleshooting automated packaging equipment preferred.
• Mechanical aptitude and ability to work cross‑functionally with technicians and engineers.
• Strong written and verbal communication skills.
• Self‑motivated, customer‑focused, and comfortable working independently in the field.

Total compensation includes your pay, potential short‑term incentive opportunities, comprehensive medical/dental/vision programs, as well as life insurance, disability insurance, paid time off programs, a retirement savings plan with a company match, and a wellness program. And because we understand the importance of feeling protected, there is no waiting period for benefits – you are eligible on your first day of employment!

Base Salary Range: $120,000 - $160,000

Pro Mach is an Equal Opportunity Employer. Pro Mach uses E‑Verify to verify employment eligibility of all new hires to work in the United States. Pro Mach is a drug‑free workplace. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.