Sr. Engineer - Controls & Automation

About the Role Xylem is seeking a Sr. Engineer - Controls & Automation to lead the design, development, and deployment of PLC/HMI/SCADA solutions for water and wastewater projects. You will drive instrumentation integration, project execution, and collaboration with global teams to deliver safe, reliable, and efficient automation systems. What You'll Do

• Design and develop PLC programs using Allen-Bradley Studio 5000, Siemens TIA Portal, WinCC, and SIMATIC Manager.
• Develop and implement HMI/SCADA interfaces (FactoryTalk View, WinCC) for operator monitoring and control.
• Implement redundancy strategies for CPU, I/O, and network levels to ensure high availability.
• Develop control philosophies, test procedures, and sequence-of-operations documentation.
• Select, integrate, and calibrate field instruments (flow, pressure, level, pH, turbidity, DO, TSS) and ensure proper integration with PLC/SCADA systems.
• Configure industrial communication protocols (Modbus, Profinet, OPC UA, Canbus).
• Perform loop checks, signal validation, and troubleshoot instrumentation issues during commissioning.
• Review P&IDs, datasheets, and specifications to define automation scope.
• Take ownership of project automation deliverables, ensuring quality, schedule, and cost compliance.
• Collaborate with electrical, mechanical, and process engineers to ensure seamless integration.
• Mentor and guide junior engineers in PLC/HMI programming and instrumentation integration.
• Participate in design reviews, risk assessments, and technical workshops.
• Global coordination: coordinate with international teams across time zones.
• Represent the automation discipline in technical discussions and client interactions.
• Clearly communicate technical concepts in English in multicultural environments. What We're Looking For
• Must-have: Bachelor's degree in Instrumentation, Electrical, or Electronics & Communication Engineering.
• 5–8 years of experience in PLC/HMI/SCADA development for water/wastewater projects.
• Expertise in Allen-Bradley (CompactLogix, ControlLogix) and Siemens (TIA Portal, WinCC).
• Strong command of IEC 61131-3 programming languages (Ladder, FBD, STL).
• Experience in redundant CPU, I/O, and network architectures.
• Experience with remote monitoring platforms such as EWON, Red Lion devices, or similar solutions.
• FAT/SAT execution and site commissioning experience.
• Experience with instrument selection, integration, and calibration.
• Knowledge of industrial communication protocols (Modbus, Profinet, OPC UA, Canbus).
• Ability to read P&IDs, control narratives, and specifications.
• Excellent English communication and teamwork skills. Nice-to-Have
• Experience in EPC projects.
• Exposure to C programming, SQL, or VB for advanced reporting/data handling.
• Familiarity with IoT/IIoT devices for monitoring and control.
• Familiarity with version control systems.
• Process understanding of STP/ETP, UV, Ozonation, filtration systems.
• Familiarity with VFDs, pump control, and energy optimization.
• Experience mentoring junior automation engineers.
• Strong problem-solving and analytical skills; effective English communication.