Remote OT/IT Security Architect for Critical Infrastructure

Ultipro; Walnut Creek (CA); Remote; USD 129,000 - 212,000; Full time

Job summary

Brown and Caldwell is looking for a Cybersecurity Engineer to safeguard OT/IT environments for critical water and environmental infrastructure. You will lead security assessments, architect secure IT/OT networks, and help clients meet regulatory requirements while delivering resilient security solutions.

The role supports nationwide clients with remote capabilities, offering mentoring opportunities and governance deliverables across projects.

Qualifications

• Minimum eight years of cyber security consulting experience.
• Experience with OT/ICS security and related frameworks.
• Relevant certifications such as Security+, CISSP, GICSP.
• Experience with on‑premise and cloud-based system architectures.
• Experience with NIST CSF, NIST SP 800-82, and IEC 62443.

Responsibilities

• Lead strategic cyber engineering consultation projects.
• Perform complex security assessments for client designs and systems.
• Ensure compliance with NIST CSF, IEC 62443, and AWIA guidance.
• Design secure IT/OT network architectures and governance artifacts.
• Support business development through proposals and presentations.

Skills

OT/ICS knowledge

Risk assessment

Network security

Policy adherence

Communication

Cross-functional collaboration

Education

Bachelor's or Master's in Cybersecurity/CS/Engineering

8+ years cyber security experience (OT/ICS)

Certifications: GICSP/CISSP/ISA 62443

Tools

Claroty

Dragos

Nozomi

Azure security services

Job description

Brown and Caldwell is looking for a Cybersecurity Engineer to safeguard OT/IT environments for critical water and environmental infrastructure. You will lead security assessments, architect secure IT/OT networks, and help clients meet regulatory requirements while delivering resilient security solutions.

The role supports nationwide clients with remote capabilities, offering mentoring opportunities and governance deliverables across projects.