Jobs › Abbott

Senior Engineer – Warehouse Controls Engineer

Abbott · North Chicago, IL · $78,000–$156,000 a year · Full time

Posted Jul 20, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you commissioned or upgraded automation in a live warehouse. How did you limit disruption?

What they are checking: Whether they can plan cutovers that keep product moving.

Describe a time you worked with an automation vendor or integrator who was not delivering.

What they are checking: Whether they can hold vendors accountable and protect the project.

How do you train maintenance technicians to handle common faults without calling you?

What they are checking: Whether they build team capability rather than becoming a single point of failure.

What would you do

A sorter is misrouting cartons and shipments to hospitals are at risk. What do you do first?

What they are checking: Whether they protect customer orders while finding the root cause.

Operations wants a quick logic change during peak season. How do you decide whether to do it?

What they are checking: Whether they weigh risk against benefit when the system is under heavy load.

About the work

Walk me through how a warehouse control system ties together conveyors, sortation and the warehouse management system.

What they are checking: Whether they understand the layers from WMS down to PLCs and how they communicate.

What PLC platforms have you programmed, and how do you troubleshoot a conveyor stopping intermittently?

What they are checking: Whether they have hands-on controls skills and a methodical approach to intermittent faults.

How do you approach machine safety in warehouse automation, such as guarding, e-stops and lockout?

What they are checking: Whether they treat safety as part of controls design, not an afterthought.

How would you use data from controls systems to improve throughput?

What they are checking: Whether they can find bottlenecks from system data and fix them.

How do you manage changes to PLC code so you can roll back if something goes wrong?

What they are checking: Whether they use version control and change management for controls code.

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The full job description

As published by Abbott.

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 115,000 colleagues serve people in more than 160 countries. JOB DESCRIPTION: About Abbott Abbott is a global healthcare leader, creating breakthrough science to improve people’s health. We’re always looking towards the future, anticipating changes in medical science and technology. Our diagnostic solutions are used in hospitals, laboratories, and clinics around the globe. The crucial information derived from our tests, instruments and informatics systems are often the first step in patient care decision making for hundreds of health conditions from heart attacks to blood disorders to infectious diseases and cancers. Working at Abbott At Abbott, you can do work that matters, grow, and learn, care for yourself and family, be your true self and live a full life. You’ll also have access to: • Career development with an international company where you can grow the career you dream of. • Employees can qualify for free medical coverage in our Health Investment Plan (HIP) PPO medical plan in the next calendar year. • An excellent retirement savings plan with high employer contribution • Tuition reimbursement, the Freedom 2 Save student debt program and FreeU education benefit - an affordable and convenient path to getting a bachelor’s degree. • A company recognized as a great place to work in dozens of countries around the world and named one of the most admired companies in the world by Fortune. • A company that is recognized as one of the best big companies to work for as well as a best place to work for diversity, working mothers, female executives, and scientists. The Opportunity • This is not a remote opportunity • Traveling up to 5% This position works out of our Abbott Distribution Center (North Chicago), IL location in the Core Diagnostics Division. What You’ll Work On The Warehouse PLC / Controls Engineer is responsible for maintaining, troubleshooting, and improving automated control systems within a warehouse or distribution environment. This role focuses on maximizing system uptime through rapid issue resolution, preventive maintenance, and continuous improvement of PLC-controlled equipment such as conveyors, sortation systems, and automated material handling systems. • Diagnose and resolve Programmable Logic Control (PLC), Human machine interface (HMI), and control system issues impacting warehouse operations. • Provide real-time support to operations teams to minimize downtime. • Analyze system faults, alarms, and logs to identify root causes and implement corrective actions. • Support troubleshooting of automation systems including conveyors, sorters, pick by light and robotics systems. System Documentation • Develop and maintain accurate as-built documentation for PLC programs, network architecture, and control systems. • Update electrical schematics, I/O lists, and system configurations as modifications occur. • Ensure documentation is organized, version-controlled, and easily accessible. Troubleshooting Guides & Knowledge Sharing • Create and continuously improve standardized troubleshooting guides and procedures. • Develop training materials and provide guidance to operators and maintenance technicians. • Capture lessons learned from recurring issues to build robust knowledge bases. Continuous Improvement & Upgrades • Identify opportunities for system improvements to enhance reliability, efficiency, and performance. • Propose and implement equipment upgrades, control logic enhancements, and process optimizations. • Collaborate with vendors and engineering teams on system modifications and new installations. Preventive & Predictive Maintenance • Develop and execute preventive maintenance strategies for PLCs, control panels, and automation systems. • Monitor system health and implement predictive maintenance techniques to prevent failures. • Ensure compliance with maintenance schedules to maximize uptime and equipment lifespan. Testing & Commissioning • Support commissioning of new equipment, system upgrades, and retrofit projects. • Conduct Factory and site acceptance testing (FAT/SAT) testing and validate system performance post-implementation. • Verify proper operation of safety circuits and compliance with standards. Required Qualifications • Bachelor’s degree in engineering (Electrical or Controls Engineering preferred) or equivalent work experience. • 4-7+ years of experience with PLC programming and troubleshooting (Prefer Allen-Bradley). • FDA regulated manufacturing, consumer packaged goods or similar experience. • Experience with validation or commissioning documentation. • PLCs(Programmable Logic Control), HMIs(Human machine interface), VFDs (Variable Frequency Drive), and industrial networks (EtherNet/IP, Profibus, etc.) • Electrical systems and control panels • Proven ability to troubleshoot complex automation issues under time pressure. Preferred Qualifications • Warehouse automation, distribution centers, or material handling systems. • Experience with WMS (Warehouse Management Systems) and other IT/OT systems integration. • Working knowledge of the principles of quality software engineering as described by software lifecycle development processes that are consistent with ISO, IEEE, or other FDA recognized standards. • Programming experience using current programming languages (C#, html, SQL) and/or experience in software development. • Be familiar with tools within Continuous Improvement (e.g., 6 Sigma, Lean, Kaizen, etc.) and participate in problem resolution. • Ability to manage multiple tasks and know how to prioritize the workday. • ‘Out-of-the-box’ thinking and problem solving. Learn more about our health and wellness benefits, which provide the security to help you and your family live full lives: www.abbottbenefits.com Follow your career aspirations to Abbott for diverse opportunities with a company that can help you build your future and live your best life. Abbott is an Equal Opportunity Employer, committed to employee diversity. Connect with us at www.abbott.com , on Facebook at www.facebook.com/Abbott and on Twitter @AbbottNews and @AbbottGlobal. The base pay for this position is $78,000.00 – $156,000.00 In specific locations, the pay range may vary from the range posted. JOB FAMILY: Engineering DIVISION: CRLB Core Lab LOCATION: United States > North Chicago : K02 ADDITIONAL LOCATIONS: WORK SHIFT: Standard TRAVEL: Yes, 5 % of the Time MEDICAL SURVEILLANCE: Not Applicable SIGNIFICANT WORK ACTIVITIES: Continuous sitting for prolonged periods (more than 2 consecutive hours in an 8 hour day), Keyboard use (greater or equal to 50% of the workday) Abbott is an Equal Opportunity Employer of Minorities/Women/Individuals with Disabilities/Protected Veterans. EEO is the Law link - English: http://webstorage.abbott.com/common/External/EEO_English.pdf EEO is the Law link - Espanol: http://webstorage.abbott.com/common/External/EEO_Spanish.pdf

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