OT Systems Administrator

NOV Subsea Production Systems (SPS) in Brazil is seeking an OT Systems Administrator who will take ownership of production-critical Operational Technology (OT) infrastructure, supporting our Smart Factory transformation journey. In this role, you will be responsible for ensuring that OT systems remain stable, reliable, secure, and fit for purpose in dedicated hardware. You must own the lifecycle of assigned systems, including their maintenance, upgrades, troubleshooting, documentation, and continuous improvement activities.

As an OT Systems Admin you will:

• Manage the complete lifecycle of production-critical systems, including maintenance, upgrades, documentation, and continuous improvement

• Take ownership of assigned OT systems and ensure their availability, stability, security, and performance

• Act as the primary point of contact for OT system-related topics across manufacturing operations

• Support incident management, troubleshooting, root cause analysis, and problem resolution

• Maintain system documentation, governance processes, configuration control, and change management practices

• Coordinate with Corporate IT on infrastructure, hosting, cybersecurity, Active Directory, virtualization, and networking topics

• Manage vendor relationships, support agreements, and escalation paths for assigned systems

• Ensure reliable integration between production systems, machines, PLCs, databases, and business applications

• Support operational technology infrastructure including servers, virtualization environments, and production-critical platforms

• Drive improvements that enhance system reliability, data availability, maintainability, and user experience

  Smart Factory & Digitalization Responsibilities

• Support implementation of MES, Smart Factory, industrial data integration, and manufacturing digitalization initiatives

• Participate in OT infrastructure modernization initiatives

• Help establish scalable and sustainable digital manufacturing capabilities across SPS sites

Essential Qualifications

• Degree in Electrical Engineering, Automation Engineering, Software Engineering, Computer Science, or a related field.
• Experience with OT or IT infrastructure supporting critical operation.
• Knowledge with industrial networking concepts and infrastructure architecture.
• Knowledge of virtualization environments and server infrastructure.
• Experience with Windows and Linux operating systems.
• Knowledge of Kubernetes, Dockers and OpenShift.
• Strong troubleshooting and problem-solving skills.
• Ability to work independently and take ownership of technical issues. Initiative, creativity, and a proactive mindset.
• Experience with Windows Server, virtualization platforms (such as Hyper-V, VMware, Nutanix, or similar), and Active Directory.
• English Fluency is a must,

Desired Qualifications

• Knowledge of industrial automation and system integration is a plus.
• Experience within industrial production environments.
• Experience with MES, SCADA, Historian, or other industrial data systems.
• Understanding of OT cybersecurity principles and IT/OT segregation.
• Experience with documentation, governance, and system ownership practices.

Soft Skills

To succeed in this role, you must be:

• A proactive and structured problem solver.
• Comfortable taking ownership and accountability for critical systems.
• Hands-on, pragmatic, and solution-oriented.
• Able to balance technical depth with operational awareness.
• Effective at communicating across technical and non-technical stakeholders.
• Adaptable and open to change in a rapidly evolving digital manufacturing environment