Instrumentation Designer

SHRI KRISHNA PLACEMENT; Chennai; On-site; INR 3,047,000 - 3,649,000; Full time

Job summary

LTTS in Chennai seeks a Lead Instrumentation & Control Engineer with 15–20 years of experience in mid-to-large-scale Oil & Gas projects. You will drive instrumentation engineering, calculations, procurement, and coordination across disciplines.

The role demands strong expertise in design, control systems, and vendor management, with leadership of engineering deliverables and schedules.

Qualifications

• Strong experience in Instrumentation & Control Engineering.
• Lead Engineer experience in Chemical, Petrochemical, Oil & Gas projects.
• Expertise in instrumentation design, engineering calculations, and procurement.
• Hands-on experience with DCS, SIS/ESD, PLC, and FGS.
• Experience in client coordination, team handling, and project execution.

Responsibilities

• Instrumentation Engineering & Design: Prepare and review design basis, instrument index, I/O list, instrument datasheets, and specs.
• Prepare installation drawings, hook-ups, layouts, and cable tray plans.
• Review wiring drawings, loop schematics, and J-box schedules.
• Prepare shutdown narratives, logic diagrams, MTO, tender docs, and CAPEX support.
• Coordinate with vendors, clients, and procurement teams.
• Lead instrumentation engineering activities and manage project resources and schedule.

Skills

Instrumentation design

Control systems

DCS/ESD

P&ID reviews

Project coordination

Education

B Tech/B.E. in Instrumentation

Tools

I/O List

Instrument datasheets

Job description

Instrumentation Designer jobs in Chennai

Education : B.TECH/B.E.;Instrumentation

Experience : 15-20 Years

Industry : OIL & GAS

Work Time

Salary : Above 300000 /- Per Month

Incentive : No

Language Known : English,Hindi

Phone : [phone]

Email : [e-mail]

Website

Job Description : Job Description – Lead Instrumentation & Control EngineerCompany: L&T Technology Services (LTTS)Job Title: Lead Instrumentation & Control Engineer(Permanent)Location: ChennaiExperience: 15–20 YearsCTC: Open for DiscussionJob Summary:We are looking for an experienced Lead Instrumentation & Control Engineer with 15–20 years of experience in handling mid-to-large-scale Chemical, Petrochemical, Oil & Gas projects. The candidate should have strong expertise in instrumentation engineering, design, engineering calculations, procurement activities, control systems, and interdisciplinary coordination.The candidate must have prior experience working as a Lead Instrumentation Engineer, managing engineering deliverables, project execution, departmental resources, cost, and schedules.

Key Responsibilities:

• 1. Instrumentation Engineering & DesignPreparation, review, and approval of Design Basis, Instrument Index, I/O List, Instrument Datasheets, and Instrumentation Specifications.Preparation and review of installation drawings, hook-ups, instrument location layouts, cable tray layouts, control room layouts, and level sketches.Review of Cable & Junction Box Schedules, Wiring and Interconnection Drawings, Functional Loop Schematics, and Loop Wiring Diagrams.Preparation of Shutdown Narratives, Logic Diagrams, MTO, Tender Documents, and CAPEX support documents.Knowledge of hygienic instruments and fittings.
• 2. Engineering CalculationsControl Valve Sizing using InstruCalc and CONVAL.Flow Meter Sizing and Safety Valve Sizing.Instrument Air and Power Consumption Calculations.Intrinsic Safety Validation Calculations.Thermowell Wake Frequency Calculations.
• 3. Instrument Selection & Control SystemsSelection of various types of field instruments.Knowledge of instrument selection for hazardous areas.Experience with DCS, ESD/SIS, PLC, Package Control Systems, and Fire & Gas Systems (FGS).
• 4. Procurement & Vendor CoordinationPreparation and review of Material Requisitions (MR).Technical Bid Evaluation (TBE).Preparation of Purchase Requisitions.Vendor Drawing Review and Approval.Coordination with vendors, clients, and procurement teams.
• 5. Interdisciplinary CoordinationP&ID Review and Updates.3D Model Reviews.IDR/IDC (Inter-Disciplinary Reviews/Checks).Participation in HAZOP and SIL Reviews.Coordination with other engineering disciplines.
• 6. Project & Team ManagementLead instrumentation engineering activities for mid-to-large-scale projects.Estimation of engineering man-hours and resource planning.Monitoring and controlling departmental costs and schedules.Participation in client meetings and technical reviews.Conducting site surveys and preparing survey reports.Ensuring quality and timely completion of engineering deliverables.

Mandatory Skills:Strong experience in Instrumentation & Control Engineering.Lead Engineer experience in Chemical, Petrochemical, Oil & Gas projects.Expertise in instrumentation design, engineering calculations, and procurement.Hands-on experience with DCS, SIS/ESD, PLC, and FGS.Experience in client coordination, team handling, and project execution.