CHENNAI · FULLTIME
Instrumentation Engineer

Engineering Services
Chennai · onsite · Posted 2d ago
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Section · 01
About this role
Job Summary
We are looking for an experienced Instrumentation Engineer with a strong background in instrumentation design and detailed engineering for Oil & Gas, refinery, petrochemical, and offshore projects. The candidate should have hands-on experience in Smart Plant Instrumentation (SPI), preparation of engineering deliverables, instrument wiring, cable schedules, and coordination with multidisciplinary engineering teams.
Key Responsibilities
- Prepare and maintain Instrument Index, Instrument Datasheets, Instrument Specifications, and I/O Lists.
- Develop Instrument Loop Diagrams, Wiring Diagrams, and Junction Box (JB) Wiring Drawings using SmartPlant Instrumentation (SPI).
- Prepare Instrument Cable Schedules, Cable Lists, Cable Block Diagrams, and Interconnection Wiring Drawings.
- Handle device panels, junction boxes, marshalling panels, DCS/PLC interfaces, and control system wiring.
- Review P&IDs, Instrument Design Basis, technical specifications, and vendor documents.
- Prepare material take-offs (MTO), technical bid evaluations (TBE), and technical queries (TQs), as required.
- Coordinate with clients, vendors, and multidisciplinary engineering teams to resolve technical issues.
- Ensure engineering deliverables comply with project specifications, applicable standards, and delivery schedules.
- Support FEED and detailed engineering activities for Oil & Gas and offshore projects.
Required Skills
- Hands-on experience in SmartPlant Instrumentation (SPI).
- Good knowledge of instrumentation engineering deliverables and design documentation.
- Experience in instrument index, I/O lists, loop diagrams, wiring diagrams, and cable schedules.
- Understanding of DCS, PLC, ESD, Fire & Gas (F&G) systems, junction boxes, and marshalling panels.
- Ability to review P&IDs, vendor documents, and instrument datasheets.
- Experience in Oil & Gas, refinery, petrochemical, or offshore EPC projects.
- Knowledge of AutoCAD and MS Office.
- Good communication, coordination, and technical problem-solving skills.
Educational Qualification
- B.E./B.Tech or Diploma in Instrumentation, Electronics & Instrumentation, Electrical & Electronics, or a related engineering discipline.
Preferred Experience
- Experience working on international Oil & Gas EPC projects.
- Exposure to FEED and detailed engineering deliverables.
- Experience with cable sizing, cable tray calculations, and MTO preparation.
- Experience with DCS/PLC/ESD/F&G instrumentation design and SPI reporting.
Keywords: Instrumentation Engineer, Instrumentation Design Engineer, SPI Engineer, SmartPlant Instrumentation, Instrument Index, I/O List, Loop Diagram, Cable Schedule, Wiring Diagram, Oil & Gas, EPC, Refinery, Petrochemical, Offshore.
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Section · 02
Skills
Section · Company
About Engineering Services

Engineering Services
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