Controls Engineer III

Controls Engineer III

Location: Onsite in Mansfield, TX or Duquesne, PA

Employment Status: Full Time | Direct Hire

Compensation: $90,000$120,000 per year + Annual Bonus Eligibility

Travel: Up to 25% local travel

On-Call: May participate in an on-call rotation based on location and project requirements


Who We Are


Thermo Systems is a global, full-service control systems integration partner delivering premier class automation solutions across the Energy, Life Sciences, and Mission Critical markets.


Guided by The Thermo Way , we are unified, dynamic, and committed to delivering excellence. Our culture is grounded in three core principles:


Employee Success investing in our people and their growth

Customer Success delivering reliable, high-quality solutions

Financial Strength operating with discipline and long-term focus


We believe strong teams, trusted partnerships, and technical excellence drive sustainable success.


The Opportunity


The Controls Engineer III supports the Design Team in designing, integrating, and commissioning automation and control systems. This role emphasizes front-end engineering, including control system architecture, industrial networking, HMI/SCADA graphics, instrumentation, and PLC programming.


The engineer will lead assigned project scopes from design through commissioning while providing field support during deployment. The ideal candidate brings strong technical expertise, an investigative mindset, and the ability to adapt to new technologies and integration challenges.


What You'll Do

• Design control system architectures, industrial networks, panel configurations, and automation hardware.
• Develop and troubleshoot Rockwell/Allen-Bradley PLC applications using Studio 5000 / Logix Designer.
• Develop and standardize HMI/SCADA graphics using platforms such as Ignition, FactoryTalk View, and AVEVA.
• Specify and integrate field instrumentation, including flow, pressure, temperature, transmitters, and I/O.
• Interpret P&IDs, electrical schematics, instrumentation data sheets, and control system documentation.
• Lead and support FAT, startup, commissioning, testing, and field deployment activities.
• Troubleshoot controls, networking, and integration issues and develop solutions for non-standard challenges.
• Develop network drawings, system specifications, and technical documentation.
• Coordinate with project managers, engineers, customers, subcontractors, and commissioning teams.
• Lead assigned engineering tasks, communicate project risks, and deliver work on schedule and within scope.
• Provide technical guidance to junior engineers and support continuous improvement in engineering standards and processes.
• Follow Thermo Systems QMS and maintain high standards for safety, quality, and engineering accuracy.

What We're Looking For

• Bachelor's degree in Electrical Engineering, Mechanical Engineering, Computer Science, or a related technical discipline.
• 4+ years of experience in controls engineering, industrial automation, or system integration.
• Experience with front-end controls design, system architecture, PLC programming, and commissioning.
• Strong Rockwell/Allen-Bradley and Studio 5000 / Logix Designer experience, including online debugging.
• HMI/SCADA development experience with Ignition, FactoryTalk View, AVEVA, or similar platforms.
• Experience with industrial networking, control hardware, panel architectures, and network drawings.
• Working knowledge of field instrumentation, I/O mapping, and instrumentation specifications.
• Ability to interpret P&IDs, electrical schematics, and technical specifications.
• Strong analytical, troubleshooting, communication, and technical problem-solving skills.
• Ability to independently investigate unfamiliar technologies and adapt to new hardware and software.
• Willingness to travel up to 60% and provide field support as required.

What You'll Get

• Competitive compensation with annual bonus opportunity.
• 401(k) with company match.
• Comprehensive medical, dental, and vision coverage with low-cost options.
• Paid time off and sick leave.
• Tuition reimbursement and professional credential support.
• In-house and external technical training opportunities.
• Exposure to complex, high-impact automation and controls projects.
• A collaborative culture built on integrity, accountability, and teamwork.

Learn more at


Work Environment & Physical Requirements
The physical and environmental demands described here are representative of those required to perform the essential functions of this role. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.


Equal Employment Opportunity
Thermo Systems provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other protected status.


Disclaimer
This job description outlines the general nature and level of work expected. Responsibilities may evolve based on business needs.