Marcelino Nsono

• Designed, deployed, configured, and maintained of VMware infrastructure supporting PCN and OT operations.
• Support operations and lifecycle management of existing Business, OT and PCN systems and infrastructure.
• Provide advanced technical support to facility operational teams and coordinate with vendors and service providers as required.
• Support Microsoft Windows Server environments, including physical and virtual platforms.
• Administer and support virtualization platforms, including VMware ESX and Virtual Center environments.
• Managing 3 VMware Clusters with more than 80 VMs
• Support Active Directory services, DNS, DHCP, Group Policy administration, and related authentication technologies.
• Install, configure, maintain, patch, secure, and troubleshoot OT and PCN servers and workstations.
• Support engineering stations, HMI workstations, domain controllers, historians, backup systems, data storage platforms, and related infrastructure.
• Participate in infrastructure deployment projects, upgrades, migrations, and technology refresh initiatives.
• Collaborate with Site PCN Administrators, Process Control personnel, I&E teams, and vendors to implement approved system changes.
• Support compliance activities, cybersecurity initiatives, server patching programs, and risk mitigation requirements.
• Troubleshot infrastructure issues and conducted root cause analysis, implementing corrective actions to prevent recurrence.
• Work with Chevron IT platform teams and external vendors to resolve technical incidents and system performance issues.
• Support implementation of Chevron IT and OT standards, procedures, and best practices.
• Participate in project teams delivering new business capabilities and corporate initiatives.
• Ensure adherence to change management processes and operational governance requirements.
• Monitored system performance and reliability, ensuring continuous availability of critical operational systems.

System Infrastructure Support:

• System admin access on Malabo VMs servers
• Deploying and managing AD in Windows 2016 domain
• Implementing backups and restoration in Windows 2016 server
• Managing Malabo Network drive access right
• Microsoft Azure AD IT role - Authentication Administrator
• Hardware support on Servers
• NBL IdentityNow administration
• SharePoint Administration

Application Support:

• Oracle user support
• IVM user support
• eVIN user support
• PI user support
• SmartView user support
• WinSCP user support

Help Desk:

• Windows 10 administration
• Office 365
• Outlook technician support
• Email and shared email on iPhone and Android
• ClearPass Policy support

Project Executed:

• EG System Infrastructure - Tape Library System Refreshment
• EG Modern File Sharing - Network drive data transition to SharePoint

System Infrastructure:

• Deploying Windows 2003 server in a Domain and managing AD on users and computers.
• Implemented policies to enhance network security with Authentication Services.
• SYSTAC (Tele-Compensation System), building system infrastructure on Windows 2008 servers and DBA in Oracle database.

Application Support:

• Provide application support for Delta, installing, configuring, and connecting application to server.
• UNIX and Oracle support, performing backups and restoring on database and installing Delta application license on UNIX.
• Provided technical assistance for service operations.
• Support Coinstar TRAVELEX money transfer, installing, configuring, and connecting services.
• NCR ATMs machines, physical and logical installing and configuration.

Project Executed:

• SYSTAC (Tele-compensation system) Deployment.