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W.W. Grainger Logo

Senior Software Engineer - Authentication Services

W.W. Grainger

$110,500 - $184,100
Aug 19, 2025
Chicago, IL, USA
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Grainger needs to build and secure the foundation of digital trust across the enterprise by enabling frictionless yet secure access experiences for millions of users.

Requirements

  • 5+ years hands-on experience with identity and federation services implementation and support.
  • Expertise in authentication/authorization protocols (SAML 2.0, OAuth 2.0, OIDC).
  • Strong understanding of IAM security design principles and best practices.
  • Hands-on experience with application development, REGO, and REST APIs.
  • Cloud experience with Azure, AWS, or Google Cloud.
  • Background in Agile and DevOps environments.
  • Ability to mentor and coach junior engineers, analysts, and interns.

Responsibilities

  • Build and integrate solutions using platforms such as Auth0, Okta, and other CIAM frameworks.
  • Develop fine-grained authorization using policy frameworks like Open Policy Agent (OPA).
  • Protect enterprise assets by implementing secure authentication and authorization patterns, balancing user experience with strong controls.
  • Serve as a subject matter expert, advising business and technology teams on IAM best practices and recommending innovative solutions.
  • Oversee IAM-related initiatives, ensuring alignment with strategic goals, on-time delivery, and effective adoption.
  • Partner with security, engineering, and product stakeholders to build seamless IAM processes across the business.
  • Leverage AI/ML and data analytics to enhance access monitoring, detect anomalies, and prevent fraud or account takeovers.

Other

  • Hybrid work location type.
  • Strong collaboration and communication skills, with experience influencing cross-functional teams and vendors.
  • Bachelor’s degree in computer science, Information Systems, or related technical field with 8+ years of IT experience; or 10+ years without a degree.