Lead OT Endpoint Security Engineer - Operational Technology

OT Endpoint Security Engineer will be involved in engineering and operational support to maintain the stability, performance, and security of our OT infrastructure with a focus on OT technologies such as TXOne Stellar, Portable Inspectors and Malware Check Stations. Additionally, participate in cross-functional projects to enhance the overall security posture of our organization, including security tool evaluations, implementations, and optimizations.

Primary duties and responsibilities : -

Deploy, configure and operate TXOne Stellar, Malware Check Stations (MCS) and/or related OT endpoint security components across global manufacturing sites.

• Maintain and continuously improve hardened security baselines for OT endpoints, including legacy OS, resource constrained devices, and production critical clients.

• Integrate OT endpoint telemetry, health checks and alerts into central monitoring, dashboards and ITSM systems; automate routine tasks (packaging, updates, remediation).

Investigate, troubleshoot and resolve OT endpoint security incidents; perform root-cause analysis and define preventive measures.

• Ensure policy consistency, allow/deny list management, signature tuning and stable operation in production environments.

• Collaborate with internal OT/IT stakeholders, production teams, and external integration partners to support rollout, upgrades and lifecycle management.

• Maintain service documentation (runbooks, architecture diagrams, SOPs) and support compliance, audit readiness and continuous improvement initiatives.

• Contribute to the overall OT security roadmap and alignment with Defender/XDR initiatives.