Senior Instrumentation Design Engineer

5 days ago


Chennai, Tamil Nadu, India Larsen & Toubro Full time
Job Overview

Larsen & Toubro is seeking a highly skilled Senior Instrumentation Design Engineer to join our team. In this role, you will be responsible for designing and implementing instrumentation systems for various projects.

Salary and Benefits

The estimated annual salary for this position is ₹1,200,000 - ₹1,800,000 depending on experience. Additionally, Larsen & Toubro offers a comprehensive benefits package, including health insurance, retirement plans, and paid time off.

Job Description

As a Senior Instrumentation Design Engineer, you will be responsible for:

  • Preparation and review of P&ID diagrams.
  • Creation of datasheets for field instruments, special instruments, junction boxes, cables, trays, and instrument fittings.
  • Development of instrument indexes, I/O lists, cable schedules, junction box schedules, wiring diagrams, termination diagrams, instrument hook-up drawings, instrument location drawings, earthing layouts, control schematic diagrams, logic diagrams, and loop diagrams.
  • Design basis and control philosophy development for various instrumentation process systems and packages/skids.
  • Sizing of control valves, safety valves, flow elements such as orifices and annubars, and wake frequency calculations for TW in SPI/Intools/Instrucalc.
  • Review and preparation of material requisitions/RFQs, vendor offer evaluations, technical bid analyses (TBA), and reviews of vendor documents such as instrument datasheets, panel wiring and GA drawings, power calculations, and earthing drawings.
  • Development and review of PLC architectures, I/O mappings, PLC panel wiring and GA drawings, and HMI & SCADA graphics.
  • Coordination with inter-disciplines such as electrical, mechanical, process, and civil for instrumentation interfaces.
  • Coordination with external stakeholders such as vendors, clients, and consultants.
  • Knowledge in reviewing quality inspections, QA documents, FAT/SAT procedures, and exposure to reviewing instrumentation systems in 3D model software.
Required Skills and Qualifications

To be successful in this role, you should have:

  • Bachelor's degree in Instrumentation Engineering; Master's degree is a plus.
  • 5-10 years of experience in instrumentation design and implementation.
  • Strong knowledge of instrumentation systems, control systems, PLCs, I/O, field instrumentation, and instrument indexing.
  • Excellent communication and project management skills.
  • Able to work effectively in a team environment.
About Us

Larsen & Toubro is a leading multinational conglomerate with a strong presence in the engineering, construction, manufacturing, and information technology sectors. We are committed to delivering innovative solutions that meet the evolving needs of our customers.



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