OT System Support Specialist (IT System Administrator)

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

• Support MES (Manufacturing Execution Systems) and ERP platforms.
• Coordinate with MES teams and local teams for system upgrades, patches, and enhancements.
• Troubleshoot application issues and ensure minimal downtime.
• Troubleshoot local OT/IT related application and infrastructure (network etc)
• Support integration between MES, ERP, and other business systems.

2. Server & Infrastructure Management

• Maintain on-premises and cloud-based servers supporting manufacturing applications.
• Proactively identify and resolve bottlenecks and issues to ensure optimal server operation.
• Monitor system performance, backups, and disaster recovery readiness.
• Ensure high availability and reliability of critical infrastructure.
• Proficiency in server administration, network protocols, virtualization technologies, monitoring tools and troubleshooting methodologies.
• Maintenance of Windows server hardware and software, patch management, security measures and policies to protect against threats and vulnerabilities.
• Maintain server life cycle management (LCM)
• Experience in all aspects of Windows Server, including installation, configuration, administration, troubleshooting, and best practices.
• Experience with virtualization platforms (VMware, Hyper-V) and application virtualization like ZENworks is a plus.
• Strong troubleshooting skills in resolving Windows Server issues, problem fixing, root cause analysis, and configurations.
• Familiarity with enterprise monitoring systems and ticketing systems.

3. Compliance & Documentation

• Ensure systems comply with internal IT policies, industry standards (e.g., ISO, NIST), and regulatory requirements.
• Maintain documentation for system configurations, SOPs, and audit trails.
• Participate in internal and external audits.
• Update the knowledge management database on regular basis

4. Shop Floor PC & Device Management

• Manage and support Production PCs, industrial PCs, and other shop floor production equipment IT systems.
• Manage day to day activity includes OS installation, configuration and troubleshooting hardware and software issues.
• Methodical approach to problem-solving and decision-making.
• Monitor endpoint protection, patch management, regular backups.
• Coordinate with production teams to minimize disruptions during maintenance.

5. OT Security

• Implement and maintain cybersecurity measures for OT environments.
• Monitor compliance and vulnerability dashboard, network traffic and respond to security incidents.
• Collaborate with IT security teams to align OT security with corporate policies.
• Disaster recovery procedures
• Risk analysis

6. Network Security

• Understand the segmentation model (Purdue) to be able to assign new devices/applications to the correct layer and communication flows in the segmentation model.
• Identify firewall policies to support system communication and requirements.
• 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.