OT Cybersecurity Engineer
Chandra GopalMIDPosted 10d ago
OT/ICS cybersecurityIndustrial control systemsSCADADCSPLCsHMIsRTUsModbusDNP3OPC UAPROFINETNetwork segmentationFirewallsVPNsJump serversZero TrustOT vulnerability managementThreat detectionIncident responseClarotyNozomi NetworksDragosMicrosoft Defender for IoTWindows securityLinux securityIAMEndpoint securityOperational resilienceIEC 62443NIST Cybersecurity FrameworkNIST SP 800-82MITRE ATT&CK for ICSNERC CIP
About the Role
We are looking for a skilled OT Cybersecurity Engineer to join our team, focusing on protecting Industrial Control Systems (ICS), SCADA, DCS, PLCs, and industrial networks.
Key Responsibilities
• Design and implement OT cybersecurity strategies, policies, and architectures
• Secure SCADA, DCS, PLCs, HMIs, RTUs, and industrial networks
• Conduct OT asset discovery, vulnerability assessments, risk analysis, and remediation planning
• Implement network segmentation, industrial DMZs, firewalls, and secure remote access
• Manage OT security monitoring, intrusion detection, and incident response
• Develop backup, disaster recovery, and business continuity procedures
• Support security audits, compliance assessments, and industrial system modernization
Requirements
• OT/ICS cybersecurity architecture and industrial control systems
• SCADA, DCS, PLCs, HMIs, RTUs, and industrial protocols: Modbus, DNP3, OPC UA, PROFINET
• Network segmentation, firewalls, VPNs, jump servers, and Zero Trust
• OT vulnerability management, threat detection, and incident response
• Familiarity with Claroty, Nozomi Networks, Dragos, or Microsoft Defender for IoT
• Windows/Linux security, IAM, endpoint security, and operational resilience
Preferred Qualifications
• Bachelor’s degree in Cybersecurity, Computer Science, Electrical Engineering, or a related field
• Certifications such as GICSP, GRID, CISSP, CISM, or IEC 62443
• Experience in manufacturing, oil & gas, power, utilities, water treatment, transportation, or critical infrastructure
• Strong communication, analytical, documentation, and stakeholder-management skills