Instrumentation and Controls Engineer

Job Summary:

The Instrumentation and Control Engineer is responsible for the design, specification, implementation, and commissioning of instrumentation and control systems for mechanical, electrical, and fire protection systems. The role ensures reliable measurement, automation, interlocking, and integration of HVAC equipment, fans, pumps, power systems, and safety systems with PLC, DCS, and Building Management Systems (BMS).

This position plays a key role in ensuring system reliability, safety, energy efficiency, and compliance with project specifications and applicable codes and standards.

Key Responsibilities:

• Design & Engineering
  
  

Develop control philosophies, sequences of operation, and functional descriptions for HVAC, ventilation, pumping, and auxiliary systems

Prepare And Review:

• Control schematics and wiring diagrams
• Loop diagrams and termination drawings
• I/O lists and point schedules
• Instrument datasheets and specifications
  
  

Select Appropriate:

• Sensors (temperature, pressure, flow, humidity, level)
• Transmitters and switches
• Control valves, actuators, and field devices
• PLC / DDC / Control Systems
  
  

Design And Configure:

• PLC / DDC hardware architecture
• Remote I/O panels and control panels
  
  

Develop Or Review:

• PLC programs and logic diagrams
• Interlocks and permissive logic
• Alarm and trip settings
  
  

Coordinate Integration Using:

• BACnet, Modbus, TCP/IP, LonWorks, OPC, etc.
• BMS & Systems Integration
  
  

Interface Control Systems With:

• Building Management System (BMS)
• SCADA or central monitoring platforms
  
  

Define:

• Point naming conventions
• Alarm priorities and trends
• Graphic requirements
  
  

Support Testing Of:

• Low-level controllers
• High-level supervisory systems
• Fire Protection & Life Safety Interlocks
  
  

Design and verify interlocks between control systems and fire alarm systems, including:

• HVAC shutdown on fire
• Smoke exhaust and pressurization fans
• Fire and smoke dampers
  
  

Prepare And Review:

• Cause & Effect matrices
• Life safety control sequences
  
  

Ensure compliance with NFPA and local fire codes.

• Construction, Installation & Commissioning Support
  
  

Review shop drawings and technical submittals.

Provide Technical Guidance During:

• Installation of instruments and control panels
• Field wiring and termination
  
  

Lead Or Support:

• Loop checking
• I/O testing
• Functional testing and integrated system testing
  
  

Participate in commissioning and performance verification.

• Documentation & Quality
  
  

Prepare And Maintain:

• As-built drawings
• Control logic documentation
• Operation and maintenance manuals
  
  

Ensure Compliance With:

• Project specifications
• Client standards
• International and local codes
  
  

Qualifications:

Education:

Bachelors Degree In:

• Instrumentation Engineering
• Electrical Engineering
• Electronics Engineering
• Mechatronics Engineering
  
  

Experience:

More than 2 years experience in:

• Instrumentation and control systems
• PLC / DDC based automation
• HVAC and building systems (preferred for your scope)
  
  

Experience In:

• Data centers, commercial buildings, or industrial plants is an advantage
  
  

Technical Skills:

Control Systems & Software

PLC Platforms (one Or More):

• Siemens (S7, TIA Portal)
• Schneider (M340, M580, EcoStruxure)
• Rockwell (Allen-Bradley)
  
  

BMS / BAS Platforms:

• Schneider, Siemens, Honeywell, Johnson Controls, Tridium Niagara
  
  

Protocols

BACnet IP / MS-TP

Modbus RTU / TCP

TCP/IP networking

Field Devices

Temperature, pressure, flow, and humidity instruments

Control valves and actuators

VFD interface and control

Soft Skills:

Strong coordination with:

• Mechanical engineers
• Electrical engineers
• Fire protection engineers
• BMS integrators
  
  

Analytical and troubleshooting skills

Good documentation and reporting ability

Capable of working during testing, commissioning, and site activities