Sr. Sourcing Specialist - Raw Materials

LyondellBasell; San Luis Potosí; On-site; MXN 900,000 - 1,200,000; Full time

Job summary

LyondellBasell in Mexico seeks a Senior Sourcing Specialist for APS Raw Materials to drive strategic sourcing and supplier negotiations across chemicals, polymers, and related feedstocks. You will support governance, data-driven analytics, and cross-functional teams to meet sourcing objectives.

You will collaborate with Category Managers and Buyers, manage supplier relationships, and ensure ethical, compliant processes while advancing sustainable procurement initiatives.

Qualifications

• Bachelor’s degree required; Master’s preferred.
• 4+ years in procurement, sourcing, or category management.
• Experience in raw materials sourcing (chemicals, polymers, feedstocks) preferred.
• Strong background in strategic sourcing, supplier negotiations, and contract management.
• Fluent in Spanish and English.

Responsibilities

• Executes sourcing processes and sources segments/commodities with increasing complexity and value.
• Drives productivity with the supply base to deliver value to the business.
• Assists Category Managers on complex sourcing initiatives via data modeling and analysis.
• Ensures high ethical and financial control compliance across sourcing activities.
• Participates in governance, policy interpretation, and supplier qualification.
• Collaborates with Buyers to implement strategic sourcing initiatives.

Skills

Procurement

Sourcing

Category management

Negotiation

Contract management

Spanish and English

Education

Bachelor's degree

Master's degree preferred

Tools

Data modeling

Spend analytics

Job description

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 Senior Sourcing Specialist for APS Raw Materials creates value by providing appropriate input into the development and implementation of sourcing strategies, function/business specific related agreements and related work processes in accordance with the global strategy. Supports all clients in the business and functions that responsible category areas support. An active team member with responsibility for various sourcing activities pertaining to running the business, capital projects and provides support to the overall sourcing strategy. Begins to independently manage sourcing projects with increasing complexity and medium value.

A Day in the Life

Activities and duties will vary dependent upon functional area assigned. Activities may include, but are not limited to:

Executes the sourcing process and is able to effectively source segments and/or commodities with increasing complexity and medium value.

• Understands strategies for assigned segments or commodities and proactively drives initiatives to meet sourcing objectives.
• Drives productivity opportunities with supply base to deliver value to the business.
• Supports Category Managers during complex sourcing initiatives through data modeling and analysis, change management and new process execution.
• Ensures high ethical and financial control compliance standards are met by the organization.
• Maximizes revenue share and controls cost by responding to audits, surveys, or other information requests from internal and external sources.
• Articulates LYB procurement policies and standards. Encourages and enforces compliance. Answers inquiries requiring interpretation of policies and contributes to a strong governance culture by complying with appropriate governance policies and procedures.
• Works collaboratively with the Buyers in the implementation of strategic sourcing initiatives.
• Develops and composes bid specification in such a manner that internal customer needs are addressed.
• Demonstrates the initiative to challenge inefficiencies, process deviations, and strategy deviations.
• Understands strategies for assigned commodities and proactively drives initiatives to meet sourcing objectives
• Assesses supplier capabilities thru KPI analysis and makes recommendations on supplier acceptability. Identifies and qualifies new suppliers as required.

You Bring This Value

• Bachelor’s degree (Master’s preferred or recognized equivalent).
• 4+ years of experience in procurement, sourcing, or category management.
• Experience in raw materials sourcing (chemicals, polymers, feedstocks, or similar industries preferred).
• Strong background in strategic sourcing, supplier negotiations, and contract management.
• Fluent in Spanish and English

Key Competencies

• Strategic thinking and category strategy development
• Advanced negotiation skills
• Supplier relationship management
• Market research and spend analyticsRisk management and supply continuity planning
• Cross-functional leadership and stakeholder engagement
• Sustainability mindset and digital acumen Analytical thinking and proactive, self-driven execution

Competencies

• Drive Innovation
• Technical Skills
• Grow Capabilities
• Promote Inclusion
• Motivational Fit
• Build Partnerships
• Deliver Results

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