Cybersecurity OT Engineer
3B Staffing LLC
Cybersecurity OT Engineer Experience:
- 8+ years securing industrial control systems in energy sector.
- In-depth hands-on experience with:
- SCADA/DCS systems (GE, ABB, Siemens, Schneider, Emerson)
- Field devices (IEDs, RTUs, protective relays, telemetry units)
- Secure remote access solutions (e.g., jump hosts, unidirectional gateways)
- Design and implement layered security controls for OT environments such as Power Generation, Substation Automation, Transmission & Distribution Networks
- Harden field-deployed OT assets (PLCs, RTUs, IEDs, HMIs) per NERC CIP, ISA/IEC 62443, and NIST 800-82
- Deploy & manage industrial firewalls, network access control (NAC), and micro-segmentation using L2/L3/VLAN zoning and DMZ architectures.
- Implement & tune OT-specific IDS/IPS solutions (e.g., Dragos, Nozomi Networks, Claroty, Tenable.ot).
- Integrate OT telemetry into centralized SIEM (Splunk, Sentinel, etc.) with asset tagging and alert enrichment.
- Perform protocol-aware traffic analysis (Modbus, DNP3, IEC 61850, OPC UA, GOOSE) to detect anomalies and APT activities.
- Maintain a security-focused patch management lifecycle for ICS firmware, SCADA software, and Windows/Linux operator consoles.
- Implement whitelisting & application control for locked-down HMI/engineering workstations.
- Ensure alignment with NERC CIP, NIST CSF, ISO 27001, and local regulatory frameworks for critical infrastructure protection.
Vacancy posted 3 days ago
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