Jobs at McMaster-Carr

MBA interns own product lines, improve supplier quality and cost management, launch website features with technology teams, and lead research and creative teams that explain industrial concepts. The role involves making strategic business decisions, improving customer outcomes, managing product sourcing and inventory, enhancing e-commerce experiences, and leading cross-functional teams. It offers a 10-week paid program with potential progression to McMaster-Carr’s Chicago management team.

Lead maintenance and facilities teams supporting HVAC, electrical, emergency power, plumbing, life-safety, security, data center, and other critical building systems. Responsibilities include developing technicians and supervisors, improving preventive and predictive maintenance through CMMS practices, resolving complex failures, planning maintenance and capital investments, managing contractors and engineering firms, and delivering facility upgrades through commissioning while maintaining safety, compliance, reliability, and continuous operations.

The Reliability and Automation Technician maintains and troubleshoots industrial machinery and automated systems, ensuring efficiency, safety, and reliability through preventive maintenance and corrective actions.

Join McMaster-Carr to accurately process customer payments, resolve discrepancies, and investigate payment exceptions in a fast-paced, collaborative environment.

Lead the company-wide evolution of reliability, platform, and infrastructure engineering across hybrid on-premises and cloud environments. Set architectural direction, improve distributed-system resilience and performance, strengthen cloud and runtime security, and mature incident response through automation and operational practices. Manage, mentor, and develop engineers while leading cross-functional initiatives spanning infrastructure, customer-facing platforms, AI and data systems, and fulfillment automation.

Contribute to high-scale production software for an e-commerce company, working on customer-facing features and automation, while advancing to technical leadership roles.

The role involves guiding customers through product offerings, solving urgent delivery issues, and building long-lasting customer relationships. It requires adaptability and a focus on customer experience.

As a Senior Software Engineer, you'll lead high-impact projects, own the full lifecycle of software development, mentor engineers, and collaborate cross-functionally to enhance systems and customer experiences.

As a Lead Software Engineer, you will design, develop, and optimize software solutions for e-commerce and automate logistics, while mentoring junior engineers.

As a Senior z/OS Platform Engineer, you will enhance mainframe software systems, support infrastructure tasks, and mentor team members.

Entry-level engineering role for new graduates to build customer-facing features, apply AI, improve fulfillment systems, automate workflows, and create dashboards and tools that scale operations. Work includes coding, debugging, designing solutions, and collaborating across engineering, operations, and business teams.

Maintain and troubleshoot automated equipment (PLCs, conveyors, robotics, VFDs), perform preventive and predictive maintenance (thermography, vibration analysis), lead root cause analyses, document work in CMMS, and ensure safety compliance (LOTO, robot guarding) to maximize uptime and reliability.