Senior Engineer Instrumentation
Confirmed on the employer's own hiring board on Nov 1, 2026. First seen by Alion on Oct 9, 2026. Larsen & Toubro scores B on the Alion truth index.
Develop and review instrumentation engineering deliverables in accordance with project requirements and international standards.
Prepare and review:
Instrument Index
I/O Lists
Instrument Datasheets
Cable Schedules
Hook-Up Drawings
Loop Diagrams
Instrument Location Layouts
Instrument Installation Details
Cause & Effect Diagrams
Control System Architecture Drawings
Instrument Specifications
Material Requisitions
Perform specification, sizing, and selection of:
Pressure Instruments
Temperature Instruments
Flow Instruments
Level Instruments
Control Valves
Safety Valves Interfaces
Analyzers
Flow Meters
Field Instruments
Support engineering design for:
DCS Systems
PLC Systems
SCADA Systems
ESD Systems
Fire & Gas Systems
Emergency Shutdown Systems
Review vendor documentation and ensure compliance with project specifications.
Support development of Control Philosophies and Shutdown Philosophies.
Participate in HAZOP, SIL Assessment, Design Reviews, and Model Reviews.
Ensure compliance with hazardous area classification requirements.
Coordinate with vendors during detailed engineering, FAT, SAT, and commissioning stages.
Support commissioning, startup, and functional testing activities.
Resolve technical queries and engineering issues during project execution.
Guide junior instrumentation engineers and designers in engineering activities.