Jeyarathan Arjunan
Aromatics Optimization Specialist
Exxon Mobil Corporation
4500 Bayway Drive
Baytown, TX 77520
Email: [log in to unmask]

Job link/Apply online: 
https://jobs.exxonmobil.com/ExxonMobil/job/Baytown-Olefins-Optimization-
Engineer-TX-77520/459930800/

Job Summary 

The Off-line Optimization Engineer, as part of the Feedstock, Yields & 
Optimization group, will work as a member of a diverse team charged with 
implementing and sustaining the Steam Cracking Optimization Strategy 
(SCOS).  The SCOS toolset enables the optimal selection of chemical 
feedstocks as well as key operating condition optimization at major 
ExxonMobil steam cracking sites across the world.  The Off-line 
Optimization Engineer will be located in Baytown, Texas and will be 
responsible for developing and maintaining unit models, developing and 
maintaining related tools such as reporting, results analysis and model 
validation tools, and assisting sites in their implementation of the 
toolset.  This function will also be responsible for troubleshooting 
site models and closing model validation gaps at the sites. The Off-line 
Optimization Engineer works under the day to day direction of the 
Feedstock, Yields, & Optimization group leader and will also receive 
work direction and technical guidance from senior off-line optimization 
engineering positions.

Primary Job Functions 
• Build, maintain, and improve fundamental process models and/or linear 
program models of steam cracking and related units utilizing state of 
the art optimization technology
• Serve as primary interface for the group with the Information 
Technology (IT) department in order to support and maintain adequate 
computing platform capabilities
• Maintain and improve on ancillary tools utilized to implement SCOS 
such as model user interface tools, reporting tools, result analysis 
tools, and model validation tools
• Lead roll-out of SCOS elements to world-wide steam cracking sites
• Interface with each site's optimization modeler and their technical 
support personnel
• Assist individual site modelers in maintaining and improving their 
tools when problems arise or more advanced changes are required
• Actively participate in and assist in leading modelers' community of 
practice; applicant will become a recognized expert in specific elements 
of Steam Cracking Yields and Optimization

Job Requirements 

• B.S. or advanced degree in Chemical Engineering
• Strong in chemical engineering fundamentals and strong analytical 
skills
• Effective problem solver able to identify, analyze, and solve complex 
problems
• Excellent computer skills with a background in chemical process 
modeling, including process simulations, process equipment rating, and 
heat & material balance development
• In-depth knowledge of Invensys or Aspen optimization tools is a plus
• A minimum of five years experience in the refining or chemical process 
industry, preferably with experience in some or all of: manufacturing 
technical support, control systems, or process design
• Flexibility to support world-wide sites during off-hours via telephone 
and computer network (10%)
• Must be a team player who works well with a diverse group to achieve a 
common goal
• Willing to travel domestically and internationally (10%) as required 
to roll-out SCOS elements

Preferred Knowledge/Skills/Abilities 

• Familiarity with fundamentals of the steam cracking pyrolysis and 
recovery processes
• Strong coding skills in Visual Basic, Visual Basic for Applications, 
and Fortran
• Experience with linear programming based optimization of chemical 
processes
• Background in refining and olefins economics and business models

To apply online: https://jobs.exxonmobil.com/ExxonMobil/job/Baytown-
Olefins-Optimization-Engineer-TX-77520/459930800/