Senior Administrative Assistant, Sweeny TX refinery

Phillips 66 & YOU - Together we can fuel the future

As a Senior Administrative Assistant, you’ll play a vital role in supporting senior leadership and their teams, helping to create a seamless and productive work environment. This position offers the opportunity to work closely with leadership, manage a variety of administrative tasks, and contribute to the success of key projects and daily operations.

Position is located at our Sweeny, TX refinery.

What You’ll Do

• Provide comprehensive administrative support to an executive and their team, ensuring effective management of time, priorities, and sensitive matters.
• Coordinate office and administrative duties, including answering calls, managing correspondence, preparing documents, and handling expense reports and records.
• Organize meetings, appointments, and both domestic and international travel, ensuring all arrangements align with the executive’s schedule and preferences.
• Act as a first point of contact by screening visitors, responding to inquiries, and maintaining confidentiality and professionalism in all interactions.
• Organize special events, maintain distribution lists, and ensure compliance with company policies and procedures.
• Leverage technical skills in office software and systems to produce reports, manage documents, and support procurement tasks.
• Build trusting relationships, demonstrate sound judgment, and maintain a productive and positive environment for the executive and their team while ensuring confidentiality.
• Serving as the Senior Administrative Assistant for the business unit.
• Will be the point of contact for Scorecard/dashboard ownership at refinery level as well as completing Ad hoc data analytics including use of AI tools.

What You’ll Bring – Required

• Legally authorized to work in the job posting country
• High School Diploma or GED equivalent
• 3 or more years of experience with office or operational systems
• Intermediate skills in Microsoft Office Suite, calendar and scheduling tools, and standard office equipment

What Makes You Stand Out – Preferred

• Experience supporting senior executives or leadership teams in a corporate environment
• 5 or more years of experience with office or operational systems
• Proficiency with SAP, SharePoint, or other collaborative and enterprise systems
• Advanced skills in document management, reporting, and event coordination
• Demonstrated ability to build trusting relationships and work effectively under pressure
• Strong process orientation and a proactive approach to anticipating needs and solving problems
• Experience with digital tools such as ChatGPT, Microsoft Copilot, or similar AI-powered platforms
• Strong verbal and written communication skills, with the ability to interact professionally with a variety of stakeholders
• Attention to detail, organizational skills, and the ability to manage multiple priorities
• Ability to handle confidential information with discretion and sound judgment

Compensation Range 

This position has a base salary range of $80,100- $97,900.

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 Sweeny Refinery is located in Old Ocean, Texas. Refinery facilities include crude distilling, naphtha reforming, fluid catalytic cracking, alkylation, hydrodesulfurization, and aromatics units, as well as access to the on-site vacuum tower and delayed coking unit, which is an asset owned by Phillips 66 Partners. Sweeny processes heavy, high-sulfur crude oil and some light, low sulfur crude oil. Domestic, Canadian and other foreign crude oil is transported by truck, pipeline, marine transportation and terminals. The refinery produces a high percentage of transportation fuels. Other products include petrochemical feedstocks, heating oil and petroleum coke. The refinery receives crude oil by pipeline and via tankers, through terminals on the Gulf Coast, including a deepwater terminal at Freeport. Refined products are distributed throughout the Midcontinent region, southeastern and eastern United States by pipeline, barge and rail car. Refined products are also exported to Latin America by waterborne cargo.

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 05/04/2026.

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