Summary
Overview
Work History
Education
Skills
professional summary
Personal Details
Certification
Timeline
background-images
Senthil Kumar  Ayyanar Pillai

Senthil Kumar Ayyanar Pillai

Port Arthur,Texas,USA

Summary

Goal-oriented Senior Piping Engineer with 21+ years of experience in piping design, layout, and field engineering across global Oil & Gas, LNG, Refinery, FPSO, and Offshore projects. Seeking a Piping Lead Engineer role in a growth-oriented organization to leverage technical expertise, leadership skills, and commitment to quality in delivering complex EPC projects.

Overview

22
22
years of professional experience
1
1
Certification

Work History

Resident Piping Field Engineer

Bechtel Corporation
05.2025 - Current
  • Project: Port Arthur LNG , Texas, USA
  • Reviewing and interpreting engineering deliverables to support construction teams
  • Resolving construction queries and managed DECNs, RFIs, FCDs, and NCRs
  • Generating and reviewing Field Material Requisitions (FMRs) and coordinated procurement
  • Facilitating technical discussions with clients, suppliers, and cross-functional teams
  • Tracking construction progress and verified installations using Smart Plant Review and Aconex

Senior Piping Engineer

Bechtel Corporation
03.2023 - 05.2025
  • Area Lead for AGRU Unit; managed 12+ engineers and designers
  • Conducted plot plan development, layout checks, and MTO preparation
  • Reviewed isometrics, ELP drawings, and vendor documents
  • Participated in client model reviews (50%, 90%)
  • Monitored progress and man-hour control for design activities

Senior Principal Piping Engineer

Saipem India Projects Pvt Ltd
02.2020 - 03.2023
  • Project: Buzios P79 FPSO – Brazil
  • Piping Area Lead for M15 Utility Modules
  • Led layout design, equipment placement, and vendor drawing reviews
  • Participated in 60% model review with client
  • Tools Used: SP3D, Navisworks
  • Project: Arctic LNG GBS3 – Russia
  • Piping Lead Engineer for central modules of LNG Train 3
  • Managed 20+ engineers/designers and coordinated with global design centers
  • Conducted layout studies, internal reviews, and client model reviews (30%, 60%, 90%)
  • Tools Used: E3D, Navisworks
  • Project: Thai Oil Clean Fuel – Thailand
  • Reviewed deliverables and optimized layouts for HCU, RHCU, SDA units
  • Led IFC documentation and compliance checks
  • Tools Used: SP3D, Smart Plant Review, Navisworks

Senior Piping Engineer / Field Engineer

McDermott (CB&I)
10.2014 - 01.2020
  • Project: KNPC ARDS Units – Kuwait
  • Field Engineer for piping installation and construction support
  • Evaluated piping plans, resolved walk-down punches, and supported firefighting workshops
  • Area Lead during design phase; nozzle orientation, MTO extraction, vendor drawing verification
  • Tools Used: SP3D, SmartPlant Review
  • Project: ADNOC Crude Flexibility – Abu Dhabi
  • Oversaw vertical scope split for ARDS Units 3501 & 3502
  • Coordinated with Lead Office Piping Lead, monitored SP3D design adherence
  • Managed inter-discipline coordination and deliverable schedules
  • Project Scale: 2.2 lakh man-hours, 9000 lines, 550 GADs, 12,500 LPEs (~20,000 isometrics)

Piping Engineer

Bechtel India
02.2014 - 10.2014
  • Project: Reliance Jamnagar J3 CPP – India
  • Reviewed P&IDs, vendor drawings, and conducted piping layout studies
  • Participated in internal and client model reviews
  • Tools Used: PDS, SPR, Pelicon Forge

Senior Piping Designer

Valdel E&C Pvt Ltd
10.2012 - 02.2014
  • Project: Jazan Refinery – Saudi Arabia
  • Steam tracing layout, equipment modeling, and PID markups
  • Reviewed plant design for accessibility and constructability
  • Tools Used: PDS, Navisworks, MicroStation

Senior Piping Design Engineer

Saipem India Projects Pvt Ltd
07.2011 - 07.2012
  • Project: Shah Gas Development – Abu Dhabi
  • Layout preparation and 3D modeling for pumps, exchangers, and columns
  • Tools Used: SP3D, SmartPlant Review

Senior Design Executive

Rolta India Ltd
12.2007 - 07.2011
  • Projects: KNPC Refinery Modernization, Rosa Thermal Power
  • Laser scan-based modeling using LFM Server
  • 3D modeling of equipment and pipe supports
  • Tools Used: SP3D, SmartPlant Review

Piping Designer

Infotech Enterprises Pvt Ltd
01.2004 - 11.2007
  • Projects: PC-Deco, East Ohio Gas
  • Drafted fabrication drawings and pipeline routes
  • Tools Used: PDS, MicroStation

Education

B.Tech - Mechanical Engineering

National Institute of Technology (NIT)
Silchar, Assam
01.2003

Higher Secondary Certificate - undefined

Govt. Hr. Sec. School
Thottiyam
01.1999

Secondary School Leaving Certificate - undefined

Govt. Hr. Sec. School
Thottiyam
01.1997

Skills

  • Design Tools: SP3D, PDS, Pelicon Forge, E3D
  • Review Tools: SmartPlant Review, Navisworks, MicroStation
  • Document Management: Aconex, Markup Insight Tool

professional summary

· 21+ years in piping design and engineering, including 5 years in LNG and 3 years in field engineering for Refinery and LNG plants.

· Proven leadership in managing multidisciplinary teams and coordinating across EPC functions.

· Expertise in plant layout, plot plan development, nozzle orientation, MTO generation, vendor drawing review, and 3D model reviews.

· Strong command of ASME, ASTM, API, SHELL DEP standards.

· Proficient in SP3D, SmartPlant Review, Navisworks, MicroStation, PDS, E3D, Aconex.

· Member of Kuwait Engineers Association since July 2018.

Recognized for top performance and productivity in isometric design and execution

Personal Details

Languages: English, Tamil, Hindi

Certification

  • EIPP (Engineer Incident Prevention Program) – KNPC Site Assignment
  • SP3D Tool Training – Rolta India Ltd. (3 months)
  • Bechtel Engineering Methodologies: LNG Overview, Plant Layout, EDP, EDPI, EI, EPC Design Guides, Quality in Engineering, Supplier Document Review

Timeline

Resident Piping Field Engineer

Bechtel Corporation
05.2025 - Current

Senior Piping Engineer

Bechtel Corporation
03.2023 - 05.2025

Senior Principal Piping Engineer

Saipem India Projects Pvt Ltd
02.2020 - 03.2023

Senior Piping Engineer / Field Engineer

McDermott (CB&I)
10.2014 - 01.2020

Piping Engineer

Bechtel India
02.2014 - 10.2014

Senior Piping Designer

Valdel E&C Pvt Ltd
10.2012 - 02.2014

Senior Piping Design Engineer

Saipem India Projects Pvt Ltd
07.2011 - 07.2012

Senior Design Executive

Rolta India Ltd
12.2007 - 07.2011

Piping Designer

Infotech Enterprises Pvt Ltd
01.2004 - 11.2007

Higher Secondary Certificate - undefined

Govt. Hr. Sec. School

Secondary School Leaving Certificate - undefined

Govt. Hr. Sec. School

B.Tech - Mechanical Engineering

National Institute of Technology (NIT)