Senior Cybersecurity Engineer - OT/SCADA
Core
Secure industrial control systems (SCADA, PLCs, BMS) for grid-connected energy infrastructure and hyperscale data centers.
Role type
Senior OT/SCADA Cybersecurity Engineer
Builds
OT security tooling, security standards, verification gates for EMS and controls teams
Domain
Energy infrastructure / Industrial Control Systems (OT/ICS)
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
OT/ICS security architecture, IEC 62443, Purdue Model, industrial networking, OT security platforms, control systems knowledge, protocols (Modbus, IEC 61850, OPC UA), Linux/Windows administration, scripting, PKI, identity management, vulnerability management, incident response
Preferred skills
Battery energy storage, solar, wind, DER, NERC CIP, MITRE ATT&CK for ICS, contract security requirements writing, GICSP/GRID/GCIP/ICS410/CISSP certifications
Technologies
Nozomi, Claroty, Dragos, Tenable OT, Forescout, Cisco Cyber Vision, Zeek, Suricata, Wireshark, Wazuh, Ignition, AVEVA, Siemens WinCC, Rockwell FactoryTalk, Entra ID, AD/LDAPS, Cisco, Fortinet, Palo Alto, Moxa, Tofino, Authentik, Zabbix
Responsibilities
Design IEC 62443-aligned zone and conduit architectures; specify and validate firewall rulesets and gateway requirements; own OT network monitoring and industrial IDS; analyze industrial traffic to detect anomalies; author hardening baselines and backup/recovery standards; manage PKI and remote access platforms; map controls to IEC 62443 and NIST SP 800-82r3; run risk-based vulnerability management; define SCADA/HMI security requirements for procurement and site acceptance
Seniority
Senior, hands-on IC
