Comprehensive OT Security Audit
Employer not named by the sourceRemote
Frontier is not the employer and does not collect applications.
About this role
Risk Management, Network Administration, Penetration Testing, Network Security, Risk Assessment, Data Protection, Incident Response, Security Auditing · I need a seasoned OT-security specialist to run an end-to-end security assessment across several plant-floor environments and to deliver a clear, actionable report that highlights every weakness and maps out the fixes.
Scope in detail • Honeywell control systems – 2 units • Yokogawa control systems – 2 units • Honeywell I/O – 100 sensors • Yokogawa I/O – 100 sensors • Rockwell PLCs – 100 sensors • Rice Lake Weigh-Bridge – 100 sensors
The assessment must dig into network segmentation, firmware, access controls, physical interfaces and protocol exposure, using recognised OT frameworks such as IEC 62443 and NIST CSF where relevant. Feel free to bring in tools like Nessus, Wireshark, SHODAN, SecurityCenter, or vendor-specific utilities as long as production uptime is never jeopardised.
Primary objective Identify every weak point—configuration, architecture or behavioural—and recommend a practical remediation plan ranked by risk and effort. Compliance mapping is useful, but exploitation proof-of-concepts are only required when they add clarity.
Deliverables 1. Kick-off brief outlining methodology, stakeholder contacts and schedule. 2. Interim status snapshot (a