The Master Black Belt - Lean (MBB) is an enterprise-level improvement architect responsible for defining strategy, setting standards, and building capability for the Lean Six Sigma / Continuous Improvement system. This role ensures methodological rigor, alignment to business priorities, and sustained performance through coaching, governance, and strategic influence while delivering high-impact project execution.
Responsibilities :
+ Define and evolve the Lean Six Sigma strategy aligned to Wesco’s enterprise priorities and Lean Operating System.
+ Manage an Enterprise portfolio including initiatives and projects intake, impact assessment, implementation easiness and project prioritization.
+ Lead and facilitate complex, end‑to‑end DMAIC and PDCA projects—owning execution from problem definition through sustainment—to deliver measurable improvements in performance, cost, quality, delivery, safety, and customer experience.
+ Establish standards, methodologies, and governance to ensure consistency and rigor.
+ Deliver advanced training and coaching in Lean, statistics, design of experiments (DOE), and systems thinking.
+ Build enterprise problem-solving capability and leadership bench strength.
+ Review and approve project charters, analyses, solutions, and financial benefit validation.
+ Serve as an internal consultant and technical authority for complex improvement efforts.
+ Ensure sustainability of improvements through standardization and audit mechanisms.
+ Partner with senior leaders to align improvement efforts with strategic goals.
+ Advise leadership on performance trends, opportunities, and systemic gaps.
+ Execute Value Stream Analysis and Mapping to identify waste, identify opportunities and drive Lean and Six Sigma project pipeline development for the Lean team.
+ Coach / Mentor MBB, BB and GB projects to rapid completion with value impacts.
Qualifications :
+ Bachelor’s Degree required - Engineering, Operations, Supply Chain, Analytics, or other technical discipline required; Master's Degree preferred
+ Lean Six Sigma Master Black Belt (ASQ, IASSC, CSSC, or equivalent) required
+ PMP, Agile certifications preferred
+ 10 years of extensive Lean or Lean Six Sigma experience in medium or large company
+ 5 years leading or managing large-scale strategic initiatives
+ Extensive experience as a Lean Six Sigma Master Black Belt delivering enterprise level business impact and leading multiple complex improvement projects using DMAIC and PDCA
+ Ability to mentor practitioners and influence at an enterprise level
+ Deep expertise in Lean Six Sigma tools, advanced statistics, and financial validation
+ Expertise in Value Stream Analysis
+ Strong analytical, statistical, and problem-solving capability
+ Ability to lead cross-functional teams and influence without direct authority
+ Experience in manufacturing, distribution, supply chain, or other technically complex environments
+ Strong change agent capabilities
+ Strong facilitating skills – able to conduct DMAIC / PDCA workshop
+ Conflict resolution and negotiation skills
+ Working knowledge of SigmaXL and or Minitab
+ Experience presenting project results to senior leadership
+ Proven experience advising senior leaders on enterprise level strategy, performance, and transformation
+ Experience operating across multiple functions, regions, or business units
+ Ability to teach Lean and Six Sigma tools and processes to Wesco standards
+ International experience preferred
+ Ability to travel 25% - 50%, including international if required by the business
_#LI-RA1_
At Wesco, we build, connect, power and protect the world. As a leading provider of business-to-business distribution, logistics services and supply chain solutions, we create a world that you can depend on.
Our Company’s greatest asset is our people. Wesco is committed to fostering a workplace where every individual is respected, valued, and empowered to succeed. We promote a culture that is grounded in teamwork and respect. With a workforce of over 20,000 people worldwide, we embrace the unique perspectives each person brings. Through comprehensive benefits (https://www.wesco.com/us/en/our-company/careers/work-at-wesco.html#benefits) and active community engagement, we create an environment where every team member has the opportunity to thrive.
Learn more about Working at Wesco here (https://www.wesco.com/us/en/our-company/careers/work-at-wesco.html) and apply online today!
Founded in 1922 and headquartered in Pittsburgh, Wesco is a publicly traded (NYSE: WCC) FORTUNE 500® company.
_Wesco International, Inc., including its subsidiaries and affiliates (“Wesco”) provides equal employment opportunities to all employees and applicants for employment. Employment decisions are made without regard to race, religion, color, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, or other characteristics protected by law. US applicants only, we are an Equal Opportunity Employer._
_Los Angeles Unincorporated County Candidates Only: Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act._
_This posting is for a current, active vacancy intended for immediate hire._