OT/ICS Security Architect for Industrial Control Networks

brk tech, A Berkshire Hathaway Group Company; Houston (TX); On-site; USD 110,000 - 160,000; Full time

Job summary

BRK Tech, a Berkshire Hathaway group company, seeks an OT Security Architect/Engineer based in Houston to protect critical manufacturing operations. You will monitor incidents, perform risk assessments, and design secure OT architectures across PLC, DCS, and SCADA systems.

Join a cross-functional security team, drive security governance, and support disaster recovery drills while advancing OT security standards in a dynamic industrial setting.

Qualifications

• Bachelor's degree in cybersecurity, information systems, computer science, engineering, or a related field.
• 5+ years of experience in Cybersecurity OT/ICS security, industrial automation, infrastructure security or related disciplines.
• Experience securing or supporting PLC, DCS, SCADA, SIS, laboratory systems, and process-controls environments.

Responsibilities

• Monitor, triage, and respond to cybersecurity events affecting OT, IC S, and manufacturing environments.
• Conduct OT Security risk assessments, vulnerability reviews, and security audits in partnership with operations, engineering, infrastructure, and enterprise cybersecurity teams.
• Support secure design and implementations of industrial networks, firewalls, remote access, asset discovery, monitoring, and related OT security technologies.
• Evaluate cybersecurity impacts of system, network, application, and process change before implementation, including changes reviewed through formal MOC or change management processes.
• Develop, review, and maintain secure OT, reference architectures, design patterns, and control requirements aligned with security strategy.
• Partner with engineering and operations teams to develop and maintain secure OT architectures and control requirement for plant and process-control environments.
• Partner with Enterprise security teams to align OT controls architectures, assessments, audit activities and incident response processes with broader cybersecurity strategy.
• Support OT security initiatives from requirements and design through implement, validation, and operational handoff.
• Support disaster recovery exercises, incident response activities and cybersecurity tabletop drills involving OT and manufacturing environments.
• Develop and maintain OT security standards, procedures, documentation, and control evidence to support compliance and operational readiness.
• Monitor emerging OT threats, vulnerabilities, technology trends and industry practices to help improve the security posture of manufacturing environments.
• Provide cybersecurity guidance for projects, site migrations, technology deployments, and operational initiatives affecting OT environments.

Skills

OT/ICS security

Industrial automation

Cybersecurity

Threat monitoring

Education

Bachelor's degree (cybersecurity, IS, CS, or engineering)

Tools

PLC security

SCADA security

OT security tooling

Job description

BRK Tech, a Berkshire Hathaway group company, seeks an OT Security Architect/Engineer based in Houston to protect critical manufacturing operations. You will monitor incidents, perform risk assessments, and design secure OT architectures across PLC, DCS, and SCADA systems.

Join a cross-functional security team, drive security governance, and support disaster recovery drills while advancing OT security standards in a dynamic industrial setting.