OT System Support Specialist

Job description

Job Summary:

We are seeking a skilled and proactive MES/ERP & OT Systems Administrator to manage and support our manufacturing OT infrastructure. This role is critical in ensuring the smooth operation of MES/ERP systems, maintaining server and network infrastructure, ensuring compliance with IT/OT standards, and safeguarding shop floor systems and OT security.

Key Responsibilities:

1. MES/ERP Application Support

2. Support MES (Manufacturing Execution Systems) and ERP platforms.

3. Coordinate with MES teams and local teams for system upgrades, patches, and enhancements.
4. Troubleshoot application issues and ensure minimal downtime.
5. Troubleshoot local OT/IT related application and infrastructure (network etc)

6. Support integration between MES, ERP, and other business systems.

7. Server & Infrastructure Management

8. Maintain on-premises and cloud-based servers supporting manufacturing applications.

9. Proactively identify and resolve bottlenecks and issues to ensure optimal server operation.
10. Monitor system performance, backups, and disaster recovery readiness.
11. Ensure high availability and reliability of critical infrastructure.
12. Proficiency in server administration, network protocols, virtualization technologies, monitoring tools and troubleshooting methodologies.
13. Maintenance of Windows server hardware and software, patch management, security measures and policies to protect against threats and vulnerabilities.
14. Maintain server life cycle management (LCM)
15. Experience in all aspects of Windows Server, including installation, configuration, administration, troubleshooting, and best practices.
16. Experience with virtualization platforms (VMware, Hyper-V) and application virtualization like ZENworks is a plus.
17. Strong troubleshooting skills in resolving Windows Server issues, problem fixing, root cause analysis, and configurations.

18. Familiarity with enterprise monitoring systems and ticketing systems.

19. Compliance & Documentation

20. Ensure systems comply with internal IT policies, industry standards (e.g., ISO, NIST), and regulatory requirements.

21. Maintain documentation for system configurations, SOPs, and audit trails.
22. Participate in internal and external audits.

23. Update the knowledge management database on regular basis

24. Shop Floor PC & Device Management

25. Manage and support Production PCs, industrial PCs, and other shop floor production equipment IT systems.

26. Manage day to day activity includes OS installation, configuration and troubleshooting hardware and software issues.
27. Methodical approach to problem-solving and decision-making.
28. Monitor endpoint protection, patch management, regular backups.

29. Coordinate with production teams to minimize disruptions during maintenance.

30. OT Security

31. Implement and maintain cybersecurity measures for OT environments.

32. Monitor compliance and vulnerability dashboard, network traffic and respond to security incidents.
33. Collaborate with IT security teams to align OT security with corporate policies.
34. Disaster recovery procedures

35. Risk analysis

36. Network Security

37. Understand the segmentation model (Purdue) to be able to assign new devices/applications to the correct layer and communication flows in the segmentation model.

38. Identify firewall policies to support system communication and requirements.
39. Secure Remote Access, support and manage

Qualifications:

• Bachelors degree in computer science, Information Technology, or related field.
• 3-5 years of experience in a manufacturing IT/OT environment.
• Hands-on experience with MES/ERP systems (e.g., SAP, Oracle, Siemens OpsCenter, etc.).
• Strong knowledge of Windows/Linux servers, virtualization (VMware/Hyper-V), and networking.
• Experience working with ITSM tools like ServiceNow
• Familiar with cybersecurity frameworks and OT security best practices.
• Experience with industrial protocols (OPC, Modbus, etc.) is a plus.

Key Skills:

• Strong problem-solving skills and the ability to troubleshoot complex server issues.
• Strong communication and collaboration
• Project management and documentation
• Attention to detail and process orientation
• Strong knowledge about Windows server, VMware, Hyper-V, Active Directory and Zenworks is a plus

Preferred Certifications:

• CompTIA Security+, CISSP, or equivalent
• Microsoft Certified: Azure Administrator Associate
• Certified MES/ERP professional (if applicable)
• Relevant certifications such as MCSE, MCSA, VCP, CCNA or equivalent.