Sr. Administrative Assistant
LyondellBasell Industries N.V.
Houston, TX · Posted November 9, 2026
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November 2026
- #1Best cities for manufacturing and industrial jobs887 openings · of 100
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- #2Cities with the most jobs that do not need a four-year degree in the Southwest481 jobs · of 38
- #2Best cities for software and engineering jobs in the Southwest1,018 openings · of 33
- #2Best all-round cities for mid-career professionals in the Southwest74 / 100 · of 15
How AI is used in this kind of work
Among secretaries and administrative assistants, except legal, medical, and executive, AI is already used for a large share of the tasks. Measured exposure for secretaries and administrative assistants, except legal, medical, and executive: 45% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
LyondellBasell is a leader in the global chemical industry creating solutions for everyday sustainable living. With a nearly 70-year legacy that includes a Nobel Prize in Chemistry and our proprietary MoReTec recycling technology, LYB is enabling a more sustainable future for generations to come. LYB develops high-quality and innovative products for applications ranging from sustainable transportation and food safety to clean water and quality healthcare. LYB places high priority on diversity, equity and inclusion and is Advancing Good with an emphasis on our planet, the communities where we operate and our future workforce. We're addressing the global challenges of ending plastic waste, taking climate action, and supporting a thriving society, while generating value for our customers, investors, and society.
Come Join an Inclusive Team
The Sr. Administrative Assistant will support senior global leaders on the People & Culture Leadership Team. The ideal candidate will be energetic, highly motivated, and an excellent team player, and will be able to manage multiple priorities simultaneously with attention to detail. The successful candidate will have excellent organizational skills, show initiative to improve current processes and solve problems, possess an outstanding attitude and customer service focus, and have strong written and verbal communication skills. Due to the sensitivity of our work, a critical aspect of this role is maintaining confidentiality in all daily activities.
A Day in the Life
Oversee multiple calendars and e-mail, prioritize action items, send reminders of due dates, and respond to inquiries, while proactively preparing and delivering briefings on key events, meetings, travel, and other calendar items
Coordinate internal and external meetings, both domestically and internationally, including travel, catering set-up and reservations, hotel contracts, agenda preparation, meeting rooms, registration, meeting equipment, recreation, promotional items, billing, and management of outside vendors
Assist in planning and execution of staff meetings including securing meeting space and guest speakers, developing invitations and communications with attendees, coordinating written materials, taking minutes from each meeting and tracking open issues/actions, etc.
Organize periodic global calls and meetings, including setting the agenda and preparing presentations
Coordinate and manage domestic and international travel arrangements including developing travel itineraries and securing appropriate travel visas
Reconcile and submit monthly expense reports in accordance with policy
Assist in preparing reports and presentations on a variety of HR-related topics. Perform data analysis of a moderately complex nature, including maintaining, manipulating, and analyzing data in various applications; verifying data accuracy; identifying and resolving data issues; and developing recommendations to remedy errors and mitigate future occurrences
Maintain and organize data/information on SharePoint and Teams sites as needed
Support the planning and coordination of major HR processes, programs and/or projects to ensure functional goals are completed on time and with optimum quality
Ensure consistency and quality of communications and presentations, publish organizational announcements to company intranet and develop communications to internal and external stakeholder groups as needed
Assist in onboarding new team members including securing desk space, IT equipment and setup, and first day coordination
Provide varied administrative support, including, but not limited to, maintaining files, forms, and project documentation; ordering supplies; ensuring payment of vendor invoices; and providing backup support to other HR assistants as needed
Professionally represent People & Culture leaders and the organization to internal and external stakeholders
Handle confidential employee, organizational, and business information appropriately and maintain discretion over confidential information and documents in all interactions, documentation, and communications
Other duties as assigned
You Bring This Value
Education & Work Experience
Preference for a Bachelor’s degree and 4 or more years of experience in a multinational corporation providing support to senior leaders at senior director level or above. Minimum of 8 years of experience required for non-degreed candidates.
A minimum of 2 years working effectively in high-pressure situations while managing multiple tasks and handling confidential and sensitive information (such as financial and/or employee data)
Excellent organizational skills, attention to detail, and sense of urgency
Self-motivated, proactive, solution-oriented, team player
Successful Candidate must Possess
Ability to establish trust, retain confidentiality, and use discretion when handling employee data and People & Culture business-sensitive materials
Strong professional maturity and presence, excellent interpersonal judgment, and ability to collaborate and maintain positive relationships with employees and leaders across functions and geographic locations
Strong technical capability in Microsoft Excel and PowerPoint is required, as well as proficiency working independently with Word, Outlook, Teams, and other Microsoft 365 tools. An understanding of SAP and SuccessFactors is preferred
Proven ability to support multiple annual processes at the same time, manage deadlines, maintain accurate follow-up, and organize competing priorities in a fast-paced environment
Commitment to accurate work, reliable documentation, high-quality deliverables, and dependable follow-up
Competencies
Drive Innovation Technical Skills Grow Capabilities Promote Inclusion Motivational Fit Build Partnerships Deliver Results
Learn more about our benefits : Benefits/Health & Welfare | LyondellBasell
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LyondellBasell is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, disability, age, veteran status, and other legally protected characteristics. The US EEO is the Law poster is available here .
LYB is committed to providing reasonable accommodations for qualified individuals with disabilities. If you need assistance or an accommodation related to LYB’s recruiting process, please email us at Careers@lyb.com.
Applicants must be at least 18 years old.
LyondellBasell does not accept or retain unsolicited résumés or phone calls and/or respond to them or to any third party representing job seekers.
Privacy Statement: For information regarding how LyondellBasell processes your personal data, please read our Privacy Statement .