Security Engineer II

About Grainger

W.W. Grainger, Inc., is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. At Grainger, We Keep the World Working® by serving more than 4.5 million customers worldwide with products and solutions delivered through innovative technology and deep customer relationships. Known for its commitment to service and award‑winning culture, the Company had 2024 revenue of $17.2 billion across its two business models.

In the High‑Touch Solutions segment, Grainger offers approximately 2 million MRO products and services, including technical support and inventory management. In the Endless Assortment segment,  offers customers access to more than 14 million products, and  offers more than 24 million products. For more information, visit

Lake Forest, IL, US 60045‑5201 – Hybrid (up to 40% remote work allowed)

W.W. Grainger, Inc. is seeking a Security Engineer II in Lake Forest, IL. The role requires a Bachelor’s degree in Engineering, Computer Science, Information Technology, Cybersecurity, or related field plus 2 years of related experience.

• Deployed and maintained a secure Jupyter Hub environment on the lab’s cluster, managed SSL certificates via InCommon Certificate Manager, and administered RBAC and user accounts to uphold security compliance.

• Designed and managed cluster network architecture, configured inbound and outbound firewall rules based on specific protocols, ports, and IP addresses, and investigated advanced firewall solutions using Palo Alto Next‑Generation Firewall on Panorama Management Console.

• Deployed containerized Python research applications using LXD, transferred sensitive research data to AWS S3, and conducted in‑depth network troubleshooting with Wireshark, TCPdump, and firewall log analysis.

• Investigated real‑time incidents using Cloud Security Posture Management (CSPM) Crowd Strike Falcon MDR, EDR and Splunk SIEM, IDS/IPS, WAF, and DLP, and managed operations with reporting.

• Conducted internal security audits using Alert Logic CIS compliance benchmarking to identify potential vulnerabilities, mapped logical, physical, and administrative controls for FedRAMP compliance.

• Coordinated with cross‑functional teams using Git Hub, Git Pod, Jira, and Service Now for version control, change management, and sprint planning in Agile workflows.

• Designed and automated hybrid cloud infrastructure using Terraform, AWS Cloud Formation, and Azure Dev Ops Pipelines, enabling consistent, error‑free deployments across multi‑account environments.

The anticipated base pay range for this position is $85,300 to $142,000, which reflects the potential base pay at the time of this posting. Base pay will depend on factors such as work location, relevant experience, and skills. Grainger reserves the right to amend, modify, or terminate compensation and benefit programs in its sole discretion at any time, consistent with applicable law.

Please submit resume to , reference job #328003.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, protected veteran status or any other protected characteristic under federal, state, or local law. We are proud to be an equal opportunity workplace.

We are committed to fostering an inclusive, accessible work environment that includes providing reasonable accommodations to individuals with disabilities during the application and hiring process as well as throughout the course of one’s employment. If you need a reasonable accommodation during the application and selection process, including, but not limited to use of our website, any part of the application, interview or hiring process, please advise us so that we can provide appropriate assistance.