Sr Controls Engineer

Ecolab is a global sustainability leader offering water hygiene and infection prevention solutions and services. With annual sales of $15 Billion Ecolab operates in over 170 countries and employs more than 48000 associates. Our mission is to protect people and the vital resources necessary for life.

We are seeking a skilled Sr Controls Engineer to design develop and implement Siemens and B&R PLC-based control systems for industrial equipment. This role requires strong experience with Siemens S7 platforms (TIA Portal) working knowledge of B&R PLCs (Automation Studio) industrial networking and hands-on electrical knowledge (power distribution control panels motor starters/VFDs instrumentation and field wiring) to ensure safe reliable operation. The ideal candidate can troubleshoot from the sensor/actuator level through PLC logic and HMI and can support commissioning in manufacturing and customer environments.

This role supports Nalco Water Downstream and Food & Beverage businesses and partners closely with R&D Product Management/Marketing Manufacturing Quality and Supply Chain to deliver new product development and continuous improvement.

Whats in it for You:

• Opportunity to make an impact by advancing equipment used to help customers achieve clean water safe food abundant energy and healthy environments.
• Work on a mix of new product development and lifecycle support in a highly collaborative cross-functional environment.
• Comprehensive benefits package starting day 1 of employment (medical dental vision matching 401(k) company-paid pension stock purchase plan paid parental leave tuition reimbursement and more) subject to local offerings.

Position Details:

• Location: Naperville IL
• Work arrangement: Onsite with periodic time in a shop/fabrication environment

Key Responsibilities

• Design and implement Siemens PLC-based control systems (S7-1200/1500) for industrial equipment including pump/valve control process regulation and safety interlocks.
• Develop and support B&R PLC applications (Automation Studio) including I/O configuration motion/drives interfaces as applicable and integration with HMIs and field devices.
• Develop and debug control logic for fault detection failover mechanisms and system recovery in case of pump or component failure.
• Create HMI interfaces using Siemens WinCC (Comfort/Unified) for local and remote monitoring enabling intuitive control alarm management and diagnostics.
• Lead electrical interface definition and collaborate on control panel architecture including power distribution circuit protection control power (24VDC) grounding and wiring practices.
• Integrate Siemens PLC systems with Building Management Systems (BMS) and Data Center Infrastructure Management (DCIM) platforms for centralized monitoring and control using standard industrial gateways where needed.
• Establish and configure industrial communication protocols and networks including Profinet/Profibus Modbus TCP/RTU and BACnet ensuring robust addressing diagnostics and interoperability.
• Develop control algorithms for energy optimization load balancing and predictive maintenance.
• Produce comprehensive documentation including I/O lists control narratives network architecture wiring diagrams panel layouts commissioning procedures and test plans.
• Support factory and field commissioning perform loop checks and troubleshoot electrical and controls issues (I/O sensors VFDs motor circuits network communications) during installation and operation.
• Collaborate with cybersecurity teams to ensure control system resilience and compliance with data center security standards.
• Implement automated testing and validation procedures to ensure control system reliability and performance.

Minimum Qualifications

• Bachelors degree in Electrical Engineering Controls Engineering or a related technical field and 5 years of experience in industrial controls and automation systems.
• Proficiency in Siemens PLC programming (TIA Portal; S7-1200/1500). Experience with B&R PLCs (Automation Studio) is strongly preferred; other PLC platforms are a plus.
• Skilled in Ladder Logic Structured Text and Function Block Diagrams.
• Strong knowledge of industrial communication protocols (Profinet/Profibus Modbus TCP/RTU BACnet; OPC UA a plus).
• Experience with HMI/SCADA development tools (Siemens WinCC preferred; other platforms such as FactoryTalk Ignition acceptable).
• Basic electrical knowledge including control panels 3-phase motor controls VFDs sensors/instrumentation and safe troubleshooting practices using common electrical test equipment.
• Familiarity with control theory PID tuning and process control principles.
• Experience in electrical interface design and panel layout.
• Knowledge of data center infrastructure and facility management systems
• Immigration Sponsorship not available for this role

Preferred Qualifications

• Experience with industrial equipment controls (pumps heat exchangers dosing systems) and troubleshooting in a manufacturing or field-service environment.
• Familiarity with IoT platforms and cloud-based monitoring solutions.
• Understanding of cybersecurity best practices for industrial control systems.
• Knowledge of UL508A panel standards and electrical safety codes.
• Background in HVAC automation and thermal control systems.
• Experience with Siemens motion/drives integration and/or Siemens safety (Safety Integrated safety relays safety PLC) is a plus.

Physical Demands / Work Environment

• Work is performed in an office and shop/fabrication environment; appropriate PPE is required as applicable.
• Ability to safely move around equipment builds and test areas including standing and walking for periods of time.
• Occasional travel to support supplier builds validation testing and/or commissioning.

Benefits

Ecolab strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families.Click here to see our benefits.

If you are viewing this posting on a site other than our Ecolab Career website view our benefits at Customer Requirements Notice

To meet customer requirements and comply with local or state regulations applicants for certain customer-facing roles may need to:

- Undergo additional background screens and/or drug/alcohol testing for customer credentialing.

- Be fully vaccinated for COVID-19 including a booster if eligible unless a religious or medical accommodation is requested by the applicant and approved by Ecolab.

Americans with Disabilities Act (ADA)

Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as to comply with applicable laws. If you have a disability and require accommodation assistance in this application process please visit the Recruiting Support link in the footer of each page of our career website.