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Advanced OT System Specialist

3M · US, California, Irvine

Full-timeOn-sitePosted 17 August 2026
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Job description

Job Description: Job Title Advanced OT System Specialist Collaborate with Innovative 3Mers Around the World Choosing where to start and grow your career has a major impact on your professional and personal life, so it’s equally important you know that the company that you choose to work at, and its leaders, will support and guide you. With a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers. This position provides an opportunity to transition from other private, public, government or military experience to a 3M career. The Impact You’ll Make in this Role In this role, you will help reduce operational risk across 3M’s manufacturing environments by identifying unintended connectivity, validating OT infrastructure, and uncovering unmanaged technologies that could create exposure between plant systems and broader company networks. Your work will strengthen site readiness, improve visibility into manufacturing technology environments, verify remediation effectiveness, and support repeatable technical validation practices that help protect operational continuity, system reliability, and 3M’s global manufacturing resilience. As an Advanced OT System Specialist, you will have the opportunity to tap into your curiosity and collaborate with some of the most innovative people around the world. Here, you will make an impact by: Leading technical assessments across manufacturing sites to identify unintended connections between OT equipment, business networks, wireless networks, remote systems, and the internet Validating OT devices, infrastructure, remote-access tools, and configurations to identify conditions that may bypass established architecture or create unintended access pathways Performing site pre-assessment reviews that help field teams arrive with a targeted understanding of potential gaps and areas requiring investigation Verifying remediation actions to confirm identified connectivity and infrastructure gaps have been addressed and determine whether additional action is needed Establishing repeatable methods to improve visibility into unknown or unmanaged technologies, services, connections, and changes within manufacturing environments Conducting recurring technical reviews that help identify newly introduced risks and strengthen the security, reliability, and resilience of 3M’s global manufacturing operations Constructing and facilitating tabletop drills that validate operational response, escalation paths, roles and responsibilities, recovery processes, and site readiness Your Skills and Expertise To set you up for success in this role from day one, 3M requires (at a minimum) the following qualifications: Bachelor’s degree or higher (completed and verified prior to start) Five (5) years of Cybersecurity and Information Assurance in a private, public, government or military environment Five (5) years of Offensive Security Experience in a private, public, government or military environment Current, valid Driver’s License. Additional qualifications that could help you succeed even further in this role include: Advanced Technical Assessment Experience — Demonstrated ability to evaluate complex enterprise and manufacturing environments, identify unintended connectivity, technical weaknesses, and potential access pathways. OT / Critical Infrastructure Experience — Experience working with industrial, manufacturing, or other critical infrastructure environments where availability, operational continuity, and risk must be balanced. Network & Infrastructure Expertise — Strong technical knowledge of networking, firewalls, remote access, identity, endpoints, servers, wireless technologies, and internal/external connectivity. Technical Exposure & Validation Experience — Experience developing repeatable methods for evaluating external and internal systems, identifying gaps, validating corrective actions, and conducting recurring technical reviews. Tabletop Exercise Leadership — Experience developing, facilitating, and leading tabletop exercises that validate operational response, escalation paths, roles and responsibilities, recovery processes, and organizational readiness. Advanced Technical Credentials — Advanced industry certifications such as OSEE, OSEP, OSCP, CISSP, or equivalent, demonstrating deep hands-on technical assessment, systems, and advanced security expertise. Work location: Work location: Remote Travel: May include up to 20% domestic/international Relocation: May be authorized Must be legally authorized to work in country of employment without sponsorship for employment visa status (e.g., H1B status). Supporting Your Well-being 3M offers many programs to help you live your best life – both physically and financially. To ensure competitive pay and benefits, 3M regularly benchmarks with other companies that are comparable in size and scope. Chat with Max For assistance with searching through our current job openings or for more information about all things 3M, visit Max, our virtual recruiting assistant on 3M.com/careers. Applicable to US Applicants Only:The expected compensation range for this position is $164,612 - $201,193, which includes base pay plus variable incentive pay, if eligible. This range represents a good faith estimate for this position. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience. In addition, this position may be eligible for a range of benefits (e.g., Medical, Dental & Vision, Health Savings Accounts, Health Care & Dependent Care Flexible Spending Accounts, Disability Benefits, Life Insurance, Voluntary Benefits, Paid Absences and Retirement Benefits, etc.). Additional information is available at: https://www.3m.com/3M/en_US/careers-us/working-at-3m/benefits/. Good Faith Posting Date Range 08/17/2026 To 09/16/2026 Or until filled All US-based 3M full time employees will need to sign an employee agreement as a condition of employment with 3M. This agreement lays out key terms on using 3M Confidential Information and Trade Secrets. It also has provisions discussing conflicts of interest and how inventions are assigned. Employees that are Job Grade 7 or equivalent and above may also have obligations to not compete against 3M or solicit its employees or customers, both during their employment, and for a period after they leave 3M. Learn more about 3M’s creative solutions to the world’s problems at www.3M.com or on Instagram, Facebook, and LinkedIn @3M. Responsibilities of this position include that corporate policies, procedures and security standards are complied with while performing assigned duties. Safety is a core value at 3M. All employees are expected to contribute to a strong Environmental Health and Safety (EHS) culture by following safety policies, identifying hazards, and engaging in continuous improvement. Pay & Benefits Overview: https://www.3m.com/3M/en_US/careers-us/working-at-3m/benefits/ 3M does not discriminate in hiring or employment on the basis of race, color, sex, national origin, religion, age, disability, veteran status, or any other characteristic protected by applicable law. Please note: your application may not be considered if you do not provide your education and work history, either by: 1) uploading a resume, or 2) entering the information into the application fields directly. 3M Global Terms of Use and Privacy Statement Carefully read these Terms of Use before using this website. Your access to and use of this website and application for a job at 3M are conditioned on your acceptance and compliance with these terms. Please click on the following links and select the country where you are applying for employment to review the applicable Terms of Use (link here) and Privacy Policy (link here). Before submitting your application, you wi

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