Ot Support Engineer

Position

OT Support Engineer

Réalta Technologies

Warsaw, USA

Réalta Technologies is searching for an OT Support Engineer to support our medical device client at their site in Warsaw, USA. The successful candidate will be responsible for maintaining and managing operational technology (OT) systems, supporting virtual machine infrastructure, and managing user access while ensuring the security and integrity of critical OT environments. The role includes onboarding/off‑boarding accounts, facilitating remote access, ensuring backup and recovery, and supporting various OT cybersecurity initiatives.

The candidate will work within a high‑regulation context to ensure compliance with industry standards and site‑specific SOPs, contributing to the secure and efficient operation of the OT environment. As part of the role, work will include high‑risk remediation planning and execution, secure segmentation, support for firewall lockdown rules, development of low‑level designs and threat monitoring, review and development of BCP plans for OT systems, and support for a culture of training and awareness in OTCS.

• Maintain and support OT systems including virtual machine infrastructure, user access management, and remote access enablement.
• Perform OT asset inventory, firmware management, and end‑of‑life assessments across site equipment.
• Execute and verify manual and automated backups of PLCs/HMIs and critical OT systems (Allen‑Bradley preferred) and support recovery processes.
• Manage user onboarding/off‑boarding and access control in line with IAM and regulatory requirements.
• Support network connectivity within OT environments, including troubleshooting switch networks and contributing to secure segmentation and firewall rule enforcement.
• Submit and coordinate IT service requests related to network, server, and firewall infrastructure.
• Maintain site documentation and ensure adherence to regulatory, GxP, ISRM, and site SOP standards.
• Participate in OT cybersecurity initiatives, including threat monitoring, remediation planning, and OT system hardening activities.
• Contribute to OT Business Continuity Planning and disaster recovery preparedness.

• Bachelor’s degree in Engineering, Computer Science, or related discipline.
• Experience in OT/IT support within regulated or industrial environments.
• Working knowledge of networking fundamentals (switching, VLANs, firewalls) and remote access technologies.
• Familiarity with PLCs/HMIs (preferably Allen‑Bradley) with the ability to perform backups rather than full programming.
• Experience with backup and recovery processes for OT systems and devices.
• Understanding of virtual machine management and related infrastructure.
• Knowledge of OT cybersecurity practices such as segmentation, whitelisting, USB hardening, and endpoint monitoring.
• Strong documentation, compliance, and change control capability.
• Ability to manage firmware, asset inventories, and lifecycle status of OT equipment.
• Excellent communication and collaboration skills, with the ability to work in high‑regulation environments.

• Entry level

• Full‑time

• Information Technology

• IT Services and IT Consulting