Operational Technology Security Architect

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Date: Aug 25, 2025

Location: LAKE FOREST, IL, US, 60045-5202

Company: Grainger Businesses

 

Work Location Type: Remote  

Req Number 322484

 

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 maintenances, repair and operating (MRO) products and services, including technical support and inventory management. In the Endless Assortment segment, Zoro.com offers customers access to more than 14 million products, and MonotaRO.com offers more than 24 million products. For more information, visit www.grainger.com.  

 

 

Compensation:

The anticipated base pay compensation range for this position is $143,000.00  to $238,400.00.

 

Rewards and Benefits:

With benefits starting on day one, our programs provide choice and flexibility to meet team members' individual needs, including:

  • Medical, dental, vision, and life insurance plans with coverage starting on day one of employment and 6 free sessions each year with a licensed therapist to support your emotional wellbeing.
  • 18 paid time off (PTO) days annually for full-time employees (accrual prorated based on employment start date) and 6 company holidays per year.
  • 6% company contribution to a 401(k) Retirement Savings Plan each pay period, no employee contribution required.
  • Employee discounts, tuition reimbursement, student loan refinancing and free access to financial counseling, education, and tools.
  • Maternity support programs, nursing benefits, and up to 14 weeks paid leave for birth parents and up to 4 weeks paid leave for non-birth parents.

For additional information and details regarding Grainger’s benefits, please click on the link below:

 

https://experience100.ehr.com/grainger/Home/Tools-Resources/Key-Resources/New-Hire

 

The pay range provided above is not a guarantee of compensation.  The range reflects the potential base pay for this role at the time of this posting based on the job grade for this position. Individual base pay compensation will depend, in part, on factors such as geographic work location and relevant experience and skills.   

The anticipated compensation range described above is subject to change and the compensation ultimately paid may be higher or lower than the range described above. 

Grainger reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion at any time, consistent with applicable law.  

 

 

 

Position Details:

Grainger is seeking an Operational Technology Security Architect with a strong background in core cybersecurity skills and a deep understanding of the Operational Technology (OT) / Industrial Control System (ICS) domain. You will require a broad understanding of OT/ICS security concepts, but also heavily rely upon the architect’s business acumen to successfully implement such technologies. The successful candidate is familiar with security architecture concepts, comfortable with cross-functional partnership, and has experience creating, socializing, and implementing a domain-specific security strategy. 

 

This position reports to the Director of Security Architecture. 

 

You will: 

The OT Security Architect is responsible for defining and governing the enterprise-wide security framework that secures Grainger’s OT assets. The architect translates business objectives and initiatives into a comprehensive, standards-based OT security architecture, ensuring robust risk management, compliance, and secure IT/OT interactions. 

 

Core responsibilities include: 

  • Security Architecture Design: Design and lead the implementation of security architectures for new systems and modifications of existing systems. Lead discussions pertaining to security; ensure project planners and business stakeholders are aligned on expectations and intended outcomes. 

  • Architectural Strategy & Policy: Define and maintain the OT security architecture, standards, and policies in support of Grainger’s business objectives. 

  • Risk Assessment & Roadmaps: Lead OT risk assessments, gap analyses, and develop a multi-year OT security roadmap influenced by Grainger’s business objectives and risk appetite. 

  • Technology Governance & Selection: Assess existing security technologies and evaluate new technologies, ensuring alignment with the architectural vision. 

  • Compliance & Audit Management: Establish governance frameworks and oversee compliance to Grainger’s internal standards, managing audit readiness and assisting with remediation tracking. 

  • Cross-Functional Leadership: Act as the primary liaison between OT operations, IT security, engineering, and senior leadership, ensuring cohesive security partnership and clear communication of risk. 

 

You have: 

  • Bachelor's/Master's Degree in a relevant field (e.g., Cybersecurity, Electrical Engineering, Computer Science, etc.); or an equivalent level of knowledge gained through on-the-job experience. 

  • Relevant industry certifications such as CISSP, GICSP, or ISA/IEC 62443 Cybersecurity Expert 

  • 10+ years of direct experience in the cybersecurity field with minimum 5 years in OT Security 

 

Have strong technical understanding of the following: 

  • Secure Remote Access methods specific to the OT domain. Experience may include Zscaler, Beyond Trust, CyberArk, Xage, etc. 

  • Network segmentation and the supporting architecture patterns 

  • OT network monitoring and intrusion detection systems. These may include Dragos, Nozomi, and Claroty. 

  • Modern-day architectures which account for the hybrid and connected nature of many new & emerging technologies (Industry 4.0, edge compute, and CPwE Cloud Connectivity). 

  • A working understanding of major Cloud Service Providers 

  • Experience creating OT security policies and supporting technical standards 

  • Experience with threat modeling frameworks and applying these concepts to the OT/ICS domain 

  • Working understanding of the IEC/ISA 62443 framework 

 

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 both providing reasonable accommodations to individuals with disabilities during the application and hiring process as well as throughout the course of one’s employment, should 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.