Senior Security Engineer OT
Core
Design and implement foundational security controls for Operational Technology (OT) and Industrial Control Systems (ICS) environments to protect advanced defense technology infrastructure.
Role type
Senior Security Engineer (OT/ICS)
Builds
Defensive security controls, security roadmaps, and automation/visibility systems for factory production environments.
Domain
Defense technology, Operational Technology (OT), Industrial Control Systems (ICS)
Required skills
OT/ICS security architecture, threat modeling (MITRE ATT&CK for ICS), network design (routing/switching), zero trust segmentation, Python/Go/Rust programming, incident response support
Preferred skills
OT protocols (Modbus, DNP3, Ethernet/IP), ICS/SCADA vendor platforms (Siemens, Rockwell, Honeywell), Linux systems administration
Technologies
Python, Go, Rust, Linux, MITRE ATT&CK, Modbus, DNP3, Ethernet/IP, Siemens, Rockwell, Honeywell
Responsibilities
Lead OT risk assessments and develop multi-year security roadmaps; Architect defensive controls for cloud and production environments; Support deployment and maintenance of security tools; Build systems for automation, visibility, and threat detection; Collaborate with factory teams to ensure secure-by-design environments
Seniority
Senior, hands-on IC