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Controls Software Engineer

Fluid Cooling Systems LLC • Full-time • Flint, Michigan, United States • $73.48k - $100k / year • 3w ago

Job Title: Electrical Controls Developer (PLC/HMI Focus)
Location: Flint, MI 48507
Job Type: Full-time

Company Overview:
Fluid Cooling Systems is a fast-growing engineering and manufacturing firm specializing in custom process cooling and heating systems. Our innovative solutions serve leading companies in the industrial, automotive, aerospace, and energy sectors. We design and build fully integrated systems—from concept through commissioning—including pumps, heat exchangers, PLC-controlled systems, and modular mechanical rooms. Our team is driven by precision, innovation, and a commitment to exceptional customer service.

Position Summary

We are looking for a Controls Software Engineer with a strong background in PLC, HMI, and automation software development to support the design and delivery of advanced industrial control systems. This role is ideal for someone who enjoys writing control logic, creating intuitive HMI interfaces, and working across disciplines to bring systems from design through to live commissioning.

Key Responsibilities

Design, develop, and test PLC programs for process control applications, using platforms such as Allen-Bradley, Siemens, Unitronics or Schneider
Configure and program HMI systems to provide user-friendly interfaces, alarms, and system diagnostics
Define and implement control strategies based on P&IDs, functional specifications, and customer requirements
Integrate automation systems with drives, instrumentation, and communication protocols (EtherNet/IP, Modbus, Profinet, SCADA, etc.)
Participate in system architecture planning, I/O list development, and tag database creation
Support FAT (Factory Acceptance Testing), onsite commissioning, SAT (Site Acceptance Testing), and post-installation troubleshooting
Collaborate with electrical designers to align software logic with physical hardware and panel layouts
Document software, configuration files, and standard operating procedures

Qualifications

Bachelor’s degree in Electrical Engineering, Automation, Mechatronics, or a related field, or equivalent industry experience
2+ years of experience in PLC and HMI programming for industrial control systems
Familiarity with industrial automation hardware including PLCs, HMIs, VFDs, and sensors
Strong understanding of control theory, sequencing, interlocks, and process instrumentation
Experience reading electrical schematics, P&IDs, and wiring diagrams
Excellent problem-solving and debugging skills, especially in live systems
Strong communication skills and ability to work in a collaborative, cross-functional environment

Preferred Skills (Not Required)

Basic scripting or programming knowledge (e.g., Python, VB, structured text)
Knowledge of UL508A standards and panel layout best practices
Previous field experience with system commissioning and customer interaction

Benefits

401(k) with employer matching
Health, dental, and vision insurance
Paid time off and flexible work scheduling
Bonus opportunities based on performance
Opportunities for professional development and hands-on experience with complex systems

Work Location: In person
Ability to Commute/Relocate: Flint, MI 48507

Job Type: Full-time

Pay: $73,480.83 - $100,000.00 per year

Benefits: