Remote Advanced OT Security Specialist

3M; Irvine (CA); On-site; USD 165,000 - 201,000; Full time

Job summary

3M is seeking an Advanced OT System Specialist to reduce operational risk by identifying unintended connectivity in manufacturing environments. You will validate OT infrastructure, verify remediation, and improve visibility into unknown technologies.

The role emphasizes tabletop exercise leadership, cross-site collaboration, and ongoing risk assessment to strengthen global manufacturing resilience. Remote work options may apply with travel up to 20%.

Qualifications

• Bachelor’s degree or higher completed and verified prior to start.
• Five (5) years of Cybersecurity and Information Assurance in various environments.
• Five (5) years of Offensive Security Experience in various environments.
• Current, valid Driver’s License.

Responsibilities

• 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.
• Performing site pre-assessment reviews with targeted understanding of gaps for field teams.
• Verifying remediation actions to confirm gaps are addressed and determining if further action is needed.
• Establishing repeatable methods to improve visibility into unknown or unmanaged technologies and changes.
• Conducting recurring technical reviews to identify new risks and strengthen manufacturing resilience.
• Constructing and leading tabletop drills to validate operational response, escalation paths, roles, and recovery processes.

Skills

Cybersecurity experience

Offensive security

Driver’s license

Technical assessment

OT / critical infrastructure

Network & infrastructure

Validation & testing

Tabletop exercise leadership

Advanced credentials

Education

Bachelor’s degree or higher

Job description

3M is seeking an Advanced OT System Specialist to reduce operational risk by identifying unintended connectivity in manufacturing environments. You will validate OT infrastructure, verify remediation, and improve visibility into unknown technologies.

The role emphasizes tabletop exercise leadership, cross-site collaboration, and ongoing risk assessment to strengthen global manufacturing resilience. Remote work options may apply with travel up to 20%.