Remote OT Security Architect Lead | IEC 62443 & ICS

futureproof; United States; Remote; USD 165,000 - 331,000; Part time

Benefits offered by this job

Remote contract role

Job summary

futureproof is seeking a Principal OT Security Architect (Lead) for a remote, contract engagement to lead enterprise OT cybersecurity standards and reference architectures for regulated manufacturing environments.

You will define OT security principles, network segmentation, secure integration patterns, and governance standards, collaborating with IT, OT, Engineering, Manufacturing, Quality, and Cybersecurity teams to drive secure outcomes.

Qualifications

• 12+ years of cybersecurity experience, with 7+ years in OT/ICS.
• Experience in regulated manufacturing environments.
• Expertise in IEC 62443 and NIST SP 800-82.
• Knowledge of Purdue Model, industrial DMZ, and network segmentation.
• Experience with OT incident response.

Responsibilities

• Lead stakeholder workshops across IT, OT, Engineering, Manufacturing, Quality, and Cybersecurity teams.
• Define OT cybersecurity strategy, architecture principles, and governance frameworks.
• Develop Security Zones and Conduits methodologies aligned with IEC 62443.
• Define Defence-in-Depth security architecture using the Onion Model.
• Establish OT network segmentation and firewall architecture standards.
• Define secure connectivity requirements between OT, enterprise IT, and cloud environments.
• Develop OT identity and access management requirements, including privileged access controls.
• Establish cybersecurity requirements for vulnerability management and incident response.
• Ensure alignment with industry regulations, corporate standards, and data protection requirements.
• Lead technical reviews, governance forums, and document sign-off activities.

Skills

OT security leadership

IEC 62443

NIST SP 800-82

ICS/OT security

Risk assessment

Incident response

IAM for OT

Firewall architecture

Network segmentation

Governance frameworks

Job description

futureproof is seeking a Principal OT Security Architect (Lead) for a remote, contract engagement to lead enterprise OT cybersecurity standards and reference architectures for regulated manufacturing environments.

You will define OT security principles, network segmentation, secure integration patterns, and governance standards, collaborating with IT, OT, Engineering, Manufacturing, Quality, and Cybersecurity teams to drive secure outcomes.