Sr Engineer I, Mechanical, Lake Charles Refinery

Phillips 66 & YOU - Together we can fuel the future

What to Expect


As a Sr Mechanical Engineer , you will play a key role in ensuring the safety, reliability, and performance of critical equipment that powers our operations. This position offers the opportunity to collaborate with talented teams, tackle complex engineering challenges, and contribute to innovative solutions that drive our business forward. You'll be part of a dynamic environment where your expertise is valued, your growth is supported, and your work helps shape the future of energy.

What You'll Do

• Lead the planning, design, and implementation of mechanical solutions for fixed equipment such as pressure vessels, piping, heat exchangers, and tanks.
• Analyze complex engineering challenges, develop and refine equipment specifications, and oversee installation, operation, and maintenance activities to ensure reliability and compliance.
• Manage technical troubleshooting projects, conduct root cause analyses, and recommend improvements to enhance equipment performance and lifecycle management.
• Create detailed engineering drawings, guide major equipment rebuilds, and deliver small- to medium-scale projects in collaboration with inspection, operations, maintenance, and project teams.
• Serve as a technical resource for the site, providing expertise in mechanical integrity assessments and supporting investigations into equipment failures.
• Facilitate the adoption of new technologies and best practices, participate in professional society activities, and maintain up-to-date knowledge of relevant codes and standards.
• Develop and review repair plans, support the Mechanical Integrity Team, and ensure all team members and contractors are properly trained.
• Foster a culture of safety, continuous improvement, and technical excellence to drive the reliability and performance of refinery assets while supporting broader organizational goals.

What You'll Bring - Required

• Legally authorized to work in the job posting country
• Bachelor's Degree or higher in an Engineering discipline
• 3 or more years of engineering experience in the energy industry
• Willing and able to obtain a Transportation Worker Identification Card (TWIC)
• Possess a valid driver's license
• Must be willing and able, with or without reasonable accommodation, to comply with the following:
  • Travel up to 5%
  • Operate company vehicle on site premises and/or public roads up to 10%
  • Work extended hours, which may include evenings, weekends, and holidays, and perform occasional duties
  • Transport articles up to 50 pounds
  • Climb ladders and stairs up to 200 feet
  • Work safely near large, hot, high-speed machines, around chemicals and hydrocarbons under high pressure and heat, and in harsh weather conditions
  • Wear fire retardant clothing and personal protective equipment
  • Maintain face daily for proper respirator/face mask seal (some examples include being free of facial hair and/or clean shaven)

What Makes You Stand Out - Preferred

• 5 or more years of experience working as a Mechanical or Maintenance Engineer at a refinery
• Working knowledge of:

• • SAP
  • Equity Engineering Plant Manager
  • PCMS
  • API-RBI Software
  • API 579
  • API 571
  • ASME B31.3

• Proficiency with MS Outlook Suite (Outlook Email, Word, and Excel programs)

Compensation Range


This position has a base salary range of $141,300 - $172,700.

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.

The Lake Charles Refinery is located in Westlake, Louisiana. Refinery facilities include crude distilling, naphtha reforming, fluid catalytic cracking, alkylation, hydrocracking, hydrodesulfurization and delayed coking units. Facilities also include a specialty coker and calciner. The refinery processes a mixture of light to heavy, low- and high sulfur and low- and high-acid crude oils. It receives domestic, Canadian and other foreign crude oil through truck, pipeline, marine transportation and terminals, including the Beaumont and Clifton Ridge terminals and the Bayou Bridge Pipeline. Lake Charles produces a high percentage of transportation fuels. Other products include off-road diesel, home heating oil, feedstock for our Excel Paralubes joint venture, specialty graphite petroleum coke and petroleum coke. Refined products are distributed in the southeastern and eastern United States by truck, rail car, barge or pipelines and exported to Latin America and West Africa.

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 06/18/2026 .

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.

Phillips 66 is an Equal Opportunity Employer

Nearest Major Market: Lake Charles