Senior OT Cybersecurity Engineer – Industrial ICS

Puffer-Sweiven; Corpus Christi (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Puffer-Sweiven is seeking an experienced OT cybersecurity professional to lead on-site deployment and integration of cybersecurity and platform solutions for process control environments.

The role requires 5+ years in OT cybersecurity or industrial networking, hands-on experience with Dragos/Nozomi/Claroty, and strong knowledge of ICS protocols. Collaboration with operations, engineering, and IT teams is essential for successful FAT/SAT and commissioning.

Qualifications

• Bachelor's degree in Engineering, IT, Cybersecurity, or related field (or equivalent).
• 5+ years of experience in OT cybersecurity and/or industrial networking.
• Strong understanding of ICS and OT environments.
• Hands-on experience with industrial networking technologies (switches, firewalls, routers).
• Hands-on deployment experience of OT threat monitoring solutions (Dragos, Nozomi, Claroty).
• Knowledge of industrial protocols (EtherNet/IP, Modbus TCP, PROFINET, OPC UA).
• Strong troubleshooting and communication skills.

Responsibilities

• Lead on-site deployment and integration of OT cybersecurity and platform integration solutions.
• Identify logging sources; develop monitoring strategies, baselines, alerts, and escalation paths.
• Lead security event analysis and investigate alerts and anomalies.
• Support OT Incident Response efforts.
• Perform security architecture reviews and risk assessments of DCS, PLC, SIS, and supporting infrastructure.
• Develop OT security procedures, standards, and playbooks; support MOC.
• Support network segmentation, secure remote access, firewall configuration, and access control in industrial environments.
• Assist customers with cybersecurity documentation, policies, and procedures for audits.

Skills

OT cybersecurity

Industrial networking

Stakeholder communication

Analytical problem solving

Education

Bachelor's degree in Engineering/IT/Cybersecurity

Tools

Dragos

Nozomi

Claroty

Job description

Puffer-Sweiven is seeking an experienced OT cybersecurity professional to lead on-site deployment and integration of cybersecurity and platform solutions for process control environments.

The role requires 5+ years in OT cybersecurity or industrial networking, hands-on experience with Dragos/Nozomi/Claroty, and strong knowledge of ICS protocols. Collaboration with operations, engineering, and IT teams is essential for successful FAT/SAT and commissioning.