OT/ICS Security Engineer

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

Berkshire Hathaway companies' power some of the most critical systems in North America spanning transportation, energy, logistics, manufacturing, retail, and infrastructure. At BRK Tech, we partner across these businesses to build modern, scalable technology platforms that drive real-world, long-term impact.

One of our Berkshire Hathaway portfolio companies is hiring a OT Security Architect/Engineer Engineer based in Houston, TX.

Key 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 Management of Change (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.

Required 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, Safety Instrumented Systems (SIS), laboratory systems, and process-controls environments.

Preferred Certifications:

• CISSP, GICSP, CASP+, Security+, ISA/IEC 62443 Cybersecurity Certifications, or similar security certifications.

The Company recruits for positions located in the United States and does not market employment opportunities to individuals located in the European Economic Area or United Kingdom. Individuals who voluntarily submit applications from outside the United States do so on their own initiative. By submitting an application, you acknowledge that your personal information may be collected, used, and shared with the Company, its affiliates, and authorized recruiting partners for recruitment, hiring, and employment-related purposes. Applicants may have certain rights regarding their personal information under applicable law, including the California Consumer Privacy Act, as amended.