HR Assistant in London

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.

HR Assistant will play a vital role in ensuring smooth, accurate, and efficient HR operations, supporting the HR Manager (HRM) and HR Business Partner's (HRBP) across the full employee lifecycle, from recruitment and onboarding to development, engagement, and offboarding.

Main Responsibilities And Accountabilities

• Manage administrative tasks across the full employee lifecycle, including onboarding, contract preparation, probation tracking, changes to employment, and offboarding.
• Maintain accurate and up to date employee records in HR systems and personnel files.
• Prepare HR documentation such as contracts, letters, and policy acknowledgements.
• Coordinate onboarding activities, ensuring new hires have a smooth and welcoming start.
• Act as the first point of contact for general HR queries, escalating to HRM or HRBP when needed.
• Support HRM and HRBP with day‐to‐day operational tasks, reporting, and project coordination.
• Assist with HR initiatives such as performance cycles, engagement surveys, and policy updates.
• Ensure compliance with internal policies, legal requirements, and data protection standards.
• Assist with interview scheduling, candidate communication, and recruitment administration.
• Support the HRM/HRBP with job postings, screening coordination, and candidate tracking.
• Prepare offer letters and ensure a seamless transition from candidate to employee.
• Maintain HR databases and ensure data accuracy for reporting and audits.
• Prepare regular HR reports (e.g., headcount, absence, turnover) for HRM and HRBP.
• Support continuous improvement of HR processes and documentation.
• Other duties in line with skills and experience as required.

You Bring This Value

• Human Resource qualification or working towards preferred.
• Experience with HR systems (SuccessFactors/SAP) is a plus.
• Strong business administration experience which could transfer into an HR environment.
• Previous experience of multi‐site working for a multi‐national company would be an advantage.
• Previous HR administrative experience is preferred, but a proactive learner with the right attitude can thrive here.
• Must be fluent in written and verbal English.

Competencies

To be successful in this role you must recognize yourself in the following profile:

• The individual is well organized, with strong administrative experience managing a diverse and fast‐paced workload.
• They possess solid IT skills, particularly in Microsoft Word and Excel, alongside excellent verbal, numerical, and communication abilities.
• They demonstrate a high level of accuracy, attention to detail, and professionalism, especially when handling confidential information.
• With strong organizational and interpersonal skills, they can prioritize effectively, manage multiple deadlines, and build rapport quickly.
• They show initiative, a service‐oriented mindset, and consistently model behaviours aligned with organizational values.

What We Offer

We offer an environment where we encourage personal and professional growth and reward performance and results. You will have the possibility to work with specialists in all fields to develop innovative solutions and extend your national and international network. We provide a competitive salary package. The Company's Global Remote Work Policy allows eligible employees the option to work up to two days a week from home. LyondellBasell is committed to advancing diversity, equity & inclusion (DEI) to ensure a positive experience for all employees.