Sheraton Heathrow Hotel

Security Analyst

• Identify OT assets on the estate using the OT NEMS tooling. Review and initiate asset data exchanges and updates between the OT NEMS tool & the OT asset database.
• Identify potential vulnerabilities in OT systems using the OT NEMS tooling, reviewing its outputs for dissemination and assess the risks of potential threats, in collaboration with OT Operations colleagues.
• Track measures to manage and mitigate vulnerabilities in OT systems, chairing forums.
• Continuously monitor OT systems for any signs of security breaches or anomalies, using the organisation’s OT NEMS tooling.
• Follow and manage incident response plans to address security breaches promptly. Review, triage & investigate OT network anomaly alerts, Conduct regular periodic reviews of alerts (false positives, low, medium and high severity).
• Support Compliance teams in providing evidence of the organisation’s current regulatory compliance positions on regulated and critical systems.
• Maintain OT NEMS tool updates and key metrics reporting for key stakeholders.

Cyber Security Analyst, Vulnerability Management – OT