Phillips 66: Process Systems Engineer

Job Posting:

Phillips 66 has more than 140 years of experience in providing the energy that enables people to dream bigger and go farther, faster. We are committed to improving lives, and that is our promise to our employees and our communities. We are sustained by the backgrounds and experiences of our diverse teams, which reflect who we are, the environment we create and how we work together. Our company is built on values of safety, honor and commitment. We call our cultural mindset Our Energy in Action, which we define through four simple, intuitive behaviors: We work for the greater good, create an environment of trust, seek different perspectives and achieve excellence. Phillips 66 was recognized by Forbes as one of “America’s Best Employers” in 2021.

Learn more about Phillips 66 and watch our video "Trying New Things" by visiting


The Process Systems Engineer will work in the Energy Research and Innovation division of Phillips 66.  The successful applicant will provide mathematical modeling and optimization support for Phillips 66 business units. 

Responsibilities May Include:

  • Building and validating mathematical models of physical, chemical, and energy processes suitable for optimization
  • Applying mathematical models for optimization of commercial operations
  • Creating innovative ideas for the application of process systems engineering techniques to operations
  • Collaborating with laboratory, pilot plant, and commercial operations to collect data needed for model development
  • Communicating work results through written reports and presentations 


Basic / Required Qualifications:

  • PhD in Chemical Engineering or closely related discipline
  • Ability to present and explain technical information to diverse audiences
  • Competence in programming using engineering tools (e.g. Python, Matlab)
  • Experience building and solving nonlinear programming models with optimization solvers (e.g. IPOPT, Baron, Gurobi)
  • Experience analyzing and interpreting data generated from chemical and physical processes
  • Excellent written and oral communication skills
  • Ability to work in a team environment