Summary
Overview
Work History
Education
Skills
Achievements And Strengths
Timeline
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DHEEPA DHARSHANI SENTHIL KUMAR

Houston,TX

Summary

Instrumentation & Control Engineer with 6 years of experience in the oil and gas industry, specializing in upstream production, reliability, functional safety, and regulatory compliance. Adaptable to changing business demands, successfully led complex technical initiatives in brownfield environments while driving cost-effective engineering solutions. As the technical lead for the Safety Instrumented Systems (SIS) implementation project at a high-H2S upstream facility in Wyoming from 2024 to 2025, gained hands-on expertise in IEC 61511/61508, SIL assessments and verifications, and stakeholder alignment across engineering, operations, and process safety teams. Strong learning mindset, technical leadership, and resilience enable effective addressing of legacy system challenges and modernization of control infrastructure. Proficient in ABB DCS, Allen Bradley, Windrock, TapRoot RCFA, and advanced instrumentation diagnostics.

Overview

6
6
years of professional experience

Work History

Instrumentation & Control Engineer

ExxonMobil Production Company
12.2022 - Current
  • Company Overview: ExxonMobil is a leading oil and gas company, involved in the exploration, production, and distribution of energy resources
  • Served as the technical lead for the SIS Pre-FEED Project at the LaBarge site, a high-H2S upstream facility with downstream characteristics, which included learning and evaluating the use of smart junction boxes as part of modernization efforts
  • Spearheaded end-to-end development of Safety Instrumented Systems (SIS) from scratch—led SIL assessments, SIL verification, and implemented IEC 61511/61508 compliant solutions. Managed technical execution while developing project management acumen in cost estimation, scheduling, and stakeholder alignment
  • Overcame design and execution challenges to retrofit SIS into brownfield infrastructure with legacy electromechanical relays and DCS integrations
  • Scoped and executed $600K+ instrumentation upgrades during the 2023 Shutdown (TAR), including level instrumentation and BMS for fired heaters using Allen Bradley systems. Hands-on troubleshooting and performance tuning of fired heaters post-shutdown. Captured lessons learned for future projects
  • Coordinated alarm revalidation workshops and reduced 60% of critical alarms.Improved operator response by collaborating with cross-functional teams
  • Supported risk screening for Critical Operating Parameters (COPs) and enhanced alarm KPIs
  • Installed and commissioned Windrock vibration monitoring systems for reciprocating compressors
  • Supported Preventive Maintenance backlog reduction, field instrumentation issues, and implemented improvements in control logic
  • Provided instrumentation input for facility modifications and MOC implementation


Reliability Engineer

ExxonMobil Services & Technology Pvt. Ltd
01.2022 - 11.2022
  • Company Overview: ExxonMobil Services & Technology provides technical and operational support to ExxonMobil's global operations
  • Developed and implemented reliability and maintenance strategies for global assets (PNG LNG, Bakken, Permian)
  • Led Equipment Criticality Assessment for 1800+ tags and developed maintenance strategies resulting in cost savings and reliability improvement
  • Proposed on/off valve upgrades based on historical failure data, optimizing $1M in maintenance spend

Regulatory Analyst

ExxonMobil Services & Technology Pvt. Ltd
10.2020 - 01.2022
  • Company Overview: ExxonMobil Services & Technology provides technical and operational support to ExxonMobil's global operations
  • Ensured environmental compliance across 100+ facilities by developing SPCC plans, air permit databases, and chemical reporting for US EPA/TCEQ
  • Automated workflows, saving 50% execution time, and successfully managed 13 regulatory workflows
  • Created dashboards, standard templates, and process documentation improving regulatory data handling across business units

Maintenance Engineer

ExxonMobil Services & Technology Pvt. Ltd
06.2019 - 10.2020
  • Company Overview: ExxonMobil Services & Technology provides technical and operational support to ExxonMobil's global operations
  • Led Preventive Maintenance Optimization for upstream assets—achieved 32,000 hours and 1,400 work orders in annual savings
  • Reviewed 27,000+ tags for asset register build and SAP CMMS data quality improvements for Liza Destiny and other projects
  • Created structured equipment hierarchy and established standard rules for data governance and future projects

Education

Bachelor of Technology - Instrumentation And Control Engineer

National Institute of Technology
Tamil Nadu, India
05-2019

Skills

  • P&IDs - Cause & Effects
  • Burner Management Systems (BMS)
  • Smart Junction Boxes
  • Alarm Management
  • Control Logic Troubleshooting
  • Field Instrument Selection
  • Functional Safety / Process Safety
  • IEC 61511/61508
  • ABB DCS/SIS
  • Allen Bradley
  • Windrock
  • Preventive Maintenance Strategies
  • Root Cause Failure Analysis
  • MOC Support
  • JMP
  • PowerBI
  • Tableau

Achievements And Strengths

  • Resilience Under Pressure: Successfully executed SIS Pre-FEED project while supporting base business and leading shutdown instrumentation upgrades.
  • Cross-functional Collaboration: Worked seamlessly across vendors, technicians, engineering teams, and process safety experts.
  • Curiosity & Continuous Learning: Volunteered for SIL assessment scribe role, sought feedback, and explored new tools and systems (e.g., ABB DCS, BMS, vibration monitoring, smart junction boxes).
  • Leadership & Initiative: Initiated platform events like 'Choices, Careers & Coffee' for team development; mentored early-career engineers; led critical project initiatives.

Timeline

Instrumentation & Control Engineer

ExxonMobil Production Company
12.2022 - Current

Reliability Engineer

ExxonMobil Services & Technology Pvt. Ltd
01.2022 - 11.2022

Regulatory Analyst

ExxonMobil Services & Technology Pvt. Ltd
10.2020 - 01.2022

Maintenance Engineer

ExxonMobil Services & Technology Pvt. Ltd
06.2019 - 10.2020

Bachelor of Technology - Instrumentation And Control Engineer

National Institute of Technology
DHEEPA DHARSHANI SENTHIL KUMAR