Senior HR Coordinator

PEMEX Deer Park is a highly complex refinery located 18 miles east of Houston in Deer Park, TX. It is part of the PEMEX group, a fully integrated oil company operating across the value chain: exploration, production, processing/refining, logistics and marketing. PEMEX Deer Park provides a diverse and inclusive work environment and employs approximately 1000 employees with another 1200 contractors on site.

The refinery’s rated capacity is 340,000 barrels per day and has feed flexibility to process multiple grades of crudes to produce high-quality transportation fuels. The PEMEX Deer Park site is co-located with other third-party chemical facilities enabling further integration and optimization of the refinery and its products. We set high standards of performance and ethical behavior and offer challenging and fulfilling job opportunities in a number of fields.

We take pride in ensuring the health and safety of our workers and the environment while being a good neighbor and having a positive impact on the local community where we work.

We value our employees’ time and efforts. Our commitment to your success is enhanced by our competitive compensation and an extensive benefits package including paid time off, medical, dental, and vision benefits, and future growth opportunities within the company. We work to maintain the best possible environment for our employees, where people can learn and grow with the company. We strive to provide a collaborative, creative environment where each person feels encouraged to contribute to our processes, decisions, planning and culture.

The Senior HR Coordinator provides advanced administrative and operational support across all areas of the Human Resources & External Affairs department, ensuring efficient, compliant, and employee-focused service delivery. This role manages key HR processes, including onboarding, employee records, benefits and leave administration, HRIS data integrity, compliance tracking, and recruitment coordination. The Senior HR Coordinator serves as a central point of contact for employees, HR Business Partners, and leaders, contributing to the seamless execution of HR programs and initiatives while maintaining the highest standards of confidentiality and professionalism.

• HR Operations & Employee Support
  • Provide daily HR support by responding to employee questions regarding policies, benefits, timekeeping, and HR procedures.
  • Maintain accurate employee records and personnel files in accordance with company policy and legal requirements.
  • Process HR transactions including new hires, job changes, compensation updates, and terminations.
  • Support onboarding and offboarding by preparing documentation, coordinating logistics and ensuring all requirements are completed.
  • Assist with HR communications, employee announcements, and engagement activities.
• Recruiting & Hiring Support
  • Work closely with the Talent Management Business Partner to support posting job requisitions and manage interview scheduling.
  • Serve as coordinator between candidates, hiring managers, and HR Business Partners.
  • Manage pre-employment processes including background checks, drug screens, and compliance documentation.
  • Support new hire orientation by coordinating schedules, materials, and system access.
  • Support hiring events outside company.
• Compensation, Benefits & Leave Administration
  • Work closely with the Benefits & Compensation Business Partner to assist employees with general benefits questions.
  • Process compensation changes and collaborate with payroll to ensure correct payment processing.
  • Support leave-of-absence administration by tracking cases, collecting documentation, and communicating with employees and supervisors.
  • Coordinate disability, FMLA, workers’ compensation, and return-to-work processes as needed.
• HR Systems & Data Management
  • Maintain data accuracy in HRIS systems by entering transactions, auditing employee information and ensuring compliance.
  • Run and prepare recurring HR reports (e.g., headcount, turnover, compliance, workforce metrics).
  • Assist employees and leaders in navigating HRIS tools and resolving access issues.
  • Support HR…