Domtar

Operations

• Administer and support OT servers, workstations, virtualization platforms, storage systems, and backup solutions
• Maintain Active Directory services, user accounts, security groups, and access controls within OT environments
• Monitor system performance, health, capacity, and availability for critical manufacturing systems
• Coordinate infrastructure upgrades, lifecycle replacements, and technology refresh initiatives
• Develop and maintain technical documentation, standards, and support procedures
• Support disaster recovery and business continuity processes for OT infrastructure
• Implement and maintain cybersecurity controls and standards within OT environments
• Support vulnerability management, patch deployment, endpoint protection, and security monitoring
• Participate in security assessments, audits, remediation, incident response, investigation, and recovery
• Support and troubleshoot industrial Ethernet networks, switches, firewalls, wireless technologies, and secure remote access solutions
• Diagnose and resolve infrastructure and network issues affecting manufacturing operations
• Maintain network diagrams, asset inventories, and system documentation
• Coordinate vendor support and third-party access requirements
• Support OT monitoring and management tools
• Participate in OT infrastructure modernization, reliability improvement, and digital transformation initiatives
• Lead technical implementation activities for OT infrastructure projects
• Support deployment and commissioning of new OT technologies and systems
• Coordinate infrastructure project activities with mill personnel, vendors, and project teams
• Contribute to OT architecture and technical standards
• Provide advanced Tier II and Tier III support
• Participate in an on-call rotation for critical manufacturing operations
• Identify and implement improvements to reliability, security, supportability, and operational efficiency
• Support continuous improvement through process enhancement and knowledge sharing
• Comply with company safety policies and promote safe work practices

Explore Senior Operations Technology Administrator at Domtar. Review requirements and application details.