Sr Engineer II, Process Development

Phillips 66 & YOU - Together we can fuel the future

As a Sr Engineer II, Process Development, you will lead the design and optimization of process solutions for Phillips 66 refining capital projects, from early concept through startup. You will act as a trusted technical authority, bringing creativity and sound judgment to complex engineering challenges while partnering closely with project and refinery teams. Based in Houston, you will support projects across multiple locations, with opportunities to see your designs move from paper to operating units in our refineries.

What You’ll Do

• Lead development of process design concepts and FEL-0/1 engineering for refining capital projects, evaluating alternatives, costs, and schedules, and recommending the best path forward.
• Define the process engineering design basis for projects, including design rates, specifications, and heat and material balances, and develop project economics and LP cases to support investment decisions.
• Design and validate advanced engineering solutions, standards, and specifications for process units and supporting systems, ensuring compliance with company and regulatory requirements.
• Manage a portfolio of process development projects, working with project managers to scope work for EPC contractors and overseeing their process engineering deliverables, including PFDs, P&IDs, simulations, and equipment specifications.
• Build and apply complex assessment and feasibility frameworks to evaluate new process technologies, configuration changes, and molecule management opportunities that improve safety, reliability, and value.
• Partner closely with refinery operations, technical subject matter experts, and planning and optimization teams to align designs with business needs and to prepare units for commissioning, startup, and handover.
• Mentor and guide other engineers and stakeholders on process engineering methods, tools, and standards, contributing to a culture of continuous improvement and innovation.
• Provide advanced process engineering oversight through the Management of Change process, and optimization efforts, using data and testing to refine engineering outcomes.
• Support projects at multiple refinery and EPC contractor locations.

What You’ll Bring – Required

• Legally authorized to work in the job posting country
• Bachelor’s degree in an engineering discipline
• 5 or more years of experience in the energy or petrochemical industry, including experience in a process engineering, project development, or economic analysis role
• Ability to travel up to 30% of the time annually

What Makes You Stand Out – Preferred

• 10 or more years of experience in the refining or petrochemical industries, including experience in process engineering, project development, and economic analysis roles.
• Deep understanding of molecule management and value chain optimization in a modern oil refinery
• Experience performing LP modeling and cashflow analysis to evaluate process configurations and capital investments
• Technical experience across multiple refining technologies such as FCC, hydrocracking, alkylation, reforming, and distillation
• Experience working for an operating company managing EPC contractors, or prior experience with an EPC contractor on major process projects
• Advanced process engineering skills, including use of simulation tools such as HYSYS and other engineering analysis software
• Proven ability to define and implement engineering standards, process design methodologies, and change strategies for complex industrial systems
• Experience leading feasibility studies and managing a portfolio of process or manufacturing projects from concept through startup
• Experience supervising or mentoring junior engineers

Compensation Range 

This position has a base salary range of $160,200 - $195,800.

At Phillips 66, we are committed to pay transparency and competitive, equitable compensation. Each role is assigned a salary grade with a defined pay range, benchmarked against industry peers. Where a candidate offer falls within the posted range depends on the candidate's experience, skills, and alignment with the role’s requirements. Offers are made to ensure internal equity and market competitiveness. Our compensation programs are designed to reward performance and support career growth.

Total Rewards

At Phillips 66, providing access to high quality programs and care for you and your family is important to us. Maintaining a culture of well-being — physical, emotional, social, and financial — is essential for a high-performing organization. When we are at our best, we are poised to deliver exceptional results — personally and professionally. Benefits for certain eligible, full-time employees include:

• Annual Variable Cash Incentive Program (VCIP) bonus
• 8% 401k company match
• Cash Balance Account pension
• Medical, Dental, and Vision benefits with an annual company contribution to a Health Savings Account for employees on HDHP
• Total well-being programs and incentives, including Employee Assistance Plan, well-being reimbursement, and backup family care services

Learn more about Phillips 66 Total Rewards.

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. We have been recognized by the Human Rights Campaign, U.S. Department of Labor and the Military Times for our continued commitment to inclusive practices and policies in the hiring and retention of those in the LGBTQ+ community and military veterans. 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, cultivate an environment of trust, seek different perspectives and pursue excellence.

Learn more about Phillips 66 and how we are working to meet the world's energy needs today and tomorrow, by visiting phillips66.com.

To be considered

In order to be considered for this position you must complete the entire application process, which includes answering all prescreening questions and providing your eSignature on or before the requisition closing date of 07/08/2026.

Candidates for regular U.S. positions must be a U.S. citizen or national, or an alien admitted as permanent resident, refugee, asylee or temporary resident under 8 U.S.C. 1160(a) or 1255(a)(1).  Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.