Senior Associate Administrator, HSE

Plains Midstream Canada (PMC); Houston (TX); On-site; USD 45,000 - 65,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Paid Time Off (PTO)

Free Parking

Job summary

Plains is seeking an organized HSE Administrative Assistant based in Houston, TX to support the Health, Safety & Environmental team with day-to-day administrative tasks, meeting coordination, and communications.

You will handle document prep, vendor coordination, and invoicing in Oracle, while upholding confidentiality and contributing to process improvements within a fast-paced oil industry environment.

Qualifications

• High school diploma or equivalent required.
• 2+ years of administrative, project coordination, or office management experience.
• Proficient in Microsoft Office and multitasking in a fast-paced environment.

Responsibilities

• Provide administrative support to HSE leadership and team members.
• Coordinate meetings, visitor requests, catering, team events, and special projects.
• Serve as co-primary contact for HSE administrative requests and inquiries.
• Assist with document preparation, presentations, reports, meeting materials, and departmental communications.
• Coordinate vendors, logistics, catering, registrations, communications, and event materials.
• Identify opportunities to improve administrative processes and increase team efficiency.
• Process and code high-volume invoices accurately and efficiently within Oracle.
• Ensure compliance with company financial, tax, and accounting requirements.
• Research and resolve invoice discrepancies by collaborating with vendors and internal stakeholders.

Skills

MS Office Suite

Administrative experience

Communication skills

Education

High school diploma or equivalent

Tools

Oracle

SAP

Job description

Job Title

HSE Administrative Assistant

Department & Location

Department: Health, Safety & Environmental (HSE)

Location: Houston, TX

Reports To

Manager, Occupational Health & Administrative Services

About the Company

Plains is an industry-leading transportation and midstream provider specializing in transportation, storage, processing and marketing solutions for crude oil. We own an extensive network of pipeline transportation, terminalling, storage and gathering assets in key oil producing basins and transportation corridors and at major market hubs in the United States and Canada. The company is headquartered in Houston, Texas. We’re on the lookout for passionate self-starters who thrive in fast-moving, collaborative, and innovative environments.

Responsibilities

• Provide administrative support to HSE leadership and team members.
• Coordinate meetings, visitor requests, catering, team events, and special projects.
• Serve as a co-primary point of contact for HSE administrative requests and inquiries.
• Assist with document preparation, presentations, reports, meeting materials, and departmental communications.
• Coordinate vendors, logistics, catering, registrations, communications, and event materials.
• Identify opportunities to improve administrative processes and increase team efficiency.
• Process and code high-volume invoices accurately and efficiently within Oracle.
• Ensure compliance with company financial, tax, and accounting requirements.
• Research and resolve invoice discrepancies by collaborating with vendors and internal stakeholders.

Qualifications

• High school diploma or equivalent required.
• 2+ years of administrative, project coordination, or office management experience.
• Demonstrated experience managing multiple priorities in a fast-paced environment.
• Strong organizational, communication, and customer service skills.
• Advanced proficiency with Microsoft Office Suite, including Outlook, Excel, PowerPoint, and Teams.
• Strong attention to detail and ability to maintain confidentiality.
• Preferred experience with Oracle, SAP, or other enterprise financial systems.
• Event planning and project coordination experience.

Key Competencies

• Administrative Excellence
• Financial & Invoice Administration
• Process Improvement
• Event Planning & Execution
• Professional Communication
• Problem Solving
• Attention to Detail
• Collaboration & Teamwork

What Success Looks Like

• Timely and accurate invoice processing and coding.
• Successful execution of department meetings, training sessions, and employee events.
• Continuous improvement of administrative workflows and processes.
• Effective support of HSE leadership and strategic initiatives.
• High-quality communications, presentations, and reporting deliverables.
• Strong partnerships across Finance, Tax, Operations, Communications, Government Affairs, and HSE teams.

About the Team

The HSE Administrative Services team supports Plains' commitment to safety, operational excellence, employee well-being, and regulatory compliance. Team members serve as trusted partners to HSE leadership and employees by providing the administrative foundation that enables the organization to operate effectively and efficiently.

Benefits

• Medical
• Dental
• Vision
• Paid Time Off (PTO)
• Free Parking

Eligibility & Compliance

Cleared criminal history (background) and satisfactory reference checks. Compliance with the Company’s drug and alcohol policy including pre-employment D&A testing. This position is not eligible for employment-based visa sponsorship. Applicants must be authorized to work in the U.S. for the duration of their employment.

Diversity & Inclusion Statement

We are proud to be an Equal Opportunity Employer. We are committed to providing employment opportunities to all qualified individuals, without regard to age, race, color, national or ethnic origin, religion, sex, sexual orientation, gender identity or expression, veteran status, genetic information, disability, or any other characteristic protected by federal, state, or local law. Applicants with disabilities can request accessible formats, communication supports, or other accessibility assistance by contacting [e-mail].

Salary

Salary details estimated by job boards such as Indeed, Glassdoor, and LinkedIn do not represent Plains' compensation structure.

Company Culture

At Plains, our employees are our most valuable asset. Hard work is rewarded with competitive compensation and a top-tier benefits program designed to keep our employees safe, healthy and happy. We work hard to deliver the best results to our stakeholders, and we also respect our employees' need for personal and family time, which is reflected in our benefits program.

Core Values

Safety and Environmental Stewardship: we conduct our business in a manner that is safe for our employees, business partners, communities and the environment. Ownership and Accountability: we take ownership of our actions and are accountable to each other and our stakeholders, including the communities where we live and work. Respect, Fairness, and Inclusion: we treat each other with respect and fairness, and are committed to an inclusive workplace. Ethics and Integrity: we do the right thing, obey the law and act with the highest levels of honesty, ethics and integrity. Teamwork: we foster a collaborative environment and work together to achieve our goals. Entrepreneurship and Innovation: we are a nimble team that develops and implements creative solutions that deliver value for our stakeholders and drive continuous improvement.