Top Tech Jobs & Startup Jobs in Chicago, IL

Conduct risk-based penetration tests, assumed-breach exercises, adversary simulations, and purple-team engagements across enterprise systems, applications, networks, identity platforms, and cloud environments. Evaluate preventive, detective, and response controls, validate detection and incident-response effectiveness, and translate technical findings into risk-based remediation recommendations for technical teams, executives, Internal Audit, and the Audit Committee. Build an independent, continuously improving offensive-security assurance program.

The IT Audit Project Lead will conduct independent audits, assess IT security controls, and build relationships with technology leaders while developing knowledge of custom-built systems.

Provides remote and in-person technical support for internal users, including account provisioning, access management, software deployment, endpoint configuration, VDI support, printing, hardware, applications, and peripherals. Troubleshoots incidents, remediates endpoint security vulnerabilities, escalates complex issues, identifies recurring problems, and maintains documentation and runbooks. The role also supports process improvement, automation, and reliable long-term solutions across the computing environment.

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.

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.