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Position: Sr. Controls Engineer Control Systems & Automation

Location: Houston, TX (Onsite)

Experience: 8-20 years

Rate: $50/hr on C2C

25% Travel

Key Skills: Control systems, TIA Portal, Siemens PLC, HMI/SCADA, Electrical Components, Instrumentation, Communication protocol

About the Role:

We are looking for an experienced Controls Engineer to join our Control Systems & Automation team. This position offers hands-on experience in automation, control systems, and industrial communication protocols, working with Siemens platform. The ideal candidate should have at least 7 years prior experience in PLC programming specifically in Siemens products like TIA Portal and WinCC.

Key Responsibilities:

• Assist in the development, commissioning and testing of control systems for frac equipment.
• Develop and integrate PLC-based control solutions, including ladder logic programming.
• Work with industrial communication protocols (e.g., Modbus, UDP/TCP, CAN, Profinet) for system integration.
• Support hardware setup, wiring, and sensor integration for lab or field test environments.
• Program and commission VFDs
• Analyze and document test results, control strategies, and performance metrics.
• Collaborate with engineers to enhance system reliability and efficiency.
• Travel 25%
  
  

Required Qualifications:

• Bachelor's or Master's in Electrical Engineering, Mechanical Engineering, Mechatronics, Automation, or a related field.
• Hands-on experience with Siemens PLC programming and HMI development
• Knowledge of control communication protocols (e.g., Modbus, CAN, j1939, Profinet, etc.).
• Strong experience in process control
• Experience with sensors, actuators, pumps. VFDs and other industrial automation hardware is a plus.
• Experience with low/medium voltage
• Experience with controlling hydraulic systems
• Must be able to contribute to hardware design
• Proficient in reading hydraulic, electrical and P&ID drawings
• Strong analytical and problem-solving skills.
• Ability to work independently and in a team-oriented environment.
• Excellent communication and documentation skills.
  
  

Bonus Skills:

• Knowledge of real-time control systems and embedded programming.
• Familiarity with National Instruments (NI) cRIO hardware and software architecture.
• Familiarity with SCADA systems and industrial data acquisition.
• Familiarity with frac equipment
• Experience with MATLAB/Simulink for control system modeling.
  
  

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