Senior Control Systems Engineer

Location: Aurora

Job Title:

Senior Control Systems Engineer

Job Description:

The Role:

Our Aurora, Illinois site is seeking a highly skilled Senior Control Systems Engineer to join our control systems team and support our global manufacturing operations. This role serves as a technical leader (SME) responsible for the design, development, and optimization of advanced automation systems, with a focus on Operational Technology (OT) Hardware selection, instrumentation, control networks, and cybersecurity risk mitigation. You will drive complex automation initiatives from concept through implementation, supporting key product lines and enabling strategic priorities such as new product commercialization, innovative process technology deployment, and scalable automation standards across global sites.

As a batch chemical manufacturer serving the semiconductor industry, we maintain the highest standards of quality and control, and this role is key to continuously improving those standards through process optimization and new technology adoption. This position also offers strong professional growth opportunities, including developing expertise in Rockwell and GE control systems application suites, Manufacturing Execution Systems, statistical process control, and automation of process data collection and analysis.

What You'll Do:

Drive a "Safety First" culture by performing equipment, process, and behavioral inspections and implementing solutions to risks.

Lead & Support projects to expand manufacturing capacity, transition products to high volume manufacturing, New Product Introductions and continuous improvement opportunities for existing processes.

Engage cross‑functional stakeholders (Facilities/EHS, Procurement, R&D, Maintenance, Controls, Operations) to lead capital projects from justification through commissioning and qualification

Provide controls expertise for process design, P&t, instrument layout, and Functional Control Description (FCD) definition.

Lead Specification of Automation hardware and process instrumentation in conjunction with process engineer, internal standards and best practices

Generate, review and oversee I/O lists, electrical schematics and industrial network infrastructure topologies related to On-Machine and Distributed control systems

Write, debug, and optimize PLC logic, and HMI/SCADA interfaces. Simulation testing of new automation programs and user acceptance testing in conjunction with cross-functional teams

Lead internal system commissioning, validation, and acceptance testing

Potential for travel (20% - Domestic & International) for site evaluations and commissioning activities

Provide expertise and ideas around global automation strategy, best practices, and technology evolution

Collaborate with global teams to standardize automation platforms and processes

Stay ahead of emerging technologies and recommend strategic improvements

Drive Industry 4.0 and Smart manufacturing discussions and collaborative efforts for division and sites

Maintain information repository for global IACS infrastructure such as source PLC, HMI & SCADA programs, Equipment and Instrument configuration files, I/O lists, Instrument specifications, equipment selection standards and general best practices and procedures

Provide production support, serving as an expert resource and backup to site engineers.

Collaborate with global teams and site resources to assist with more complex problems

Support root cause analysis and corrective actions for automation‑related downtime, quality issues, and system failures.

Provide on-call support for assigned sites during site resource PTO periods and serve as a secondary point of contact for escalations and impact events.

Supply Plant floor support as needed for local sites complex issue resolution needs

What We Seek:

B.S. Engineering (Mechanical, Chemical, Electrical)

At least 5 years of experience in industrial automation and controls engineering within a manufacturing environment, preferably batch or specialty chemical manufacturing.

Expert-level proficiency in PLC programming, HMI/SCADA systems, Variable Frequency Drives and motion control.

Experience with industrial communication protocols (e.g.,…