Senior IT Infrastructure Operations Lead
Gemsa Petroleum Company (GEMPETCO)
Total years of experience :17 years, 1 Months
Value-Added Results:
• Developing and executing Microsoft Azure-based cloud solutions in collaboration with stakeholders, comprehending business needs, and transforming them into scalable and secure architectures.
• Spearheading the successful migration of on-premises infrastructure, and network to Microsoft Azure, enhancing scalability, cost-effectiveness, and flexibility for critical systems and applications.
• Devising and implementing a robust, scalable virtualization infrastructure using VMware vSphere, resulting in a 30% reduction in hardware costs and enhanced server consolidation ratios.
• Demonstrating advanced troubleshooting proficiency, employing log analysis and PowerShell scripting for Microsoft Exchange Server 2016 and 2019.
• Installing and sustaining backup and recovery solutions with tools like Veeam Backup & Replication and EMC Data Domain, ensuring data integrity and meeting recovery time objectives (RTO) and recovery point objectives (RPO).
• Collaborating with vendors and service providers to assess new technologies, negotiate contracts, and procure hardware and software solutions aligned with organizational strategic goals.
• Playing a pivotal role in IT audits and compliance initiatives, ensuring adherence to industry standards and regulations such as ISO 27001 and NIST, and implementing necessary controls and procedures to mitigate risks.
• Managing and overseeing the organization's Office 365 environment to ensure the seamless and efficient operation of cloud-based productivity and collaboration tools.
Value-Added Results:
• Installation, configuration, and upgrading of Microsoft Exchange Server versions 2007, 2010, 2013, and 2016, encompassing mailbox servers, client access servers, and transport servers, in adherence to best practices and security guidelines.
• Implementation and management of high availability features in Microsoft Exchange Server, such as Database Availability Groups (DAGs) and database replication, to ensure data redundancy and minimize downtime.
• Management, migration, and troubleshooting of the Active Directory infrastructure, covering FSMO roles, Schema, NTDS partitions, ADFS, IIS, OU, GPOs, LDAP, DNS, DHCP settings, monitoring connectivity and replication, and Kerberos authentication.
• Installation, configuration, and upgrading of VMware vSphere components, including ESXi hosts, vCenter Server, and Virtual Distributed Switches (vDS), adhering to best practices and following change management processes.
• Regular performance monitoring and capacity planning for the VMware infrastructure, proactively identifying and addressing performance bottlenecks, resource constraints, and capacity limitations.
• Implementation and maintenance of user accounts, licenses, and security settings in Office 365, utilizing Azure Active Directory (AAD) for user management and authentication.
• Implemented new helpdesk policies and internal procedures to improve technician efficiency by >50%, as the Helpdesk Team Lead.
Value-Added Results:
• Oversight of Windows Server 2003/2008/2012 and associated domain services, including Active Directory, DNS, and DHCP.
• Support and strategic planning for Microsoft Exchange Server 2007/2010/2013, with a focus on clustering and high availability.
• Strategic planning for Microsoft Lync Server 2010/2013, emphasizing video/voice capabilities and Lync resiliency.
• Support and planning for Microsoft TMG 2010/ISA Server 2006, encompassing VPN server, web application publishing, and proxy services.
• Management of update/antivirus services using Kaspersky Security Center.
• Support and maintenance for Microsoft Windows Hyper-V.
• Configuration and installation of over 50 Cisco devices at both HQ and remote sites, including routers, switches, wireless equipment, and WAN optimization.
• Configuration and maintenance of the SolarWinds monitoring system, working with NPM, Netflow Analyzer, and APM modules.
• Configuration and maintenance of the RADIUS server for network devices and privileges, utilizing Microsoft NPS.
• Implementation and configuration of storage products, including the setup of SAN and NAS protocols.
Value-Added Results:
• Contributed to the creation and engineering of IT solutions, encompassing hardware, software, networking components, and third-party integrations, tailored to meet the requirements of Microsoft Dynamics Great Plains 8.0, 9.0, and 10.0 ERP systems.
• Engaged in the design, implementation, and integration of intricate IT systems for clients spanning various industries, ensuring optimal performance specifically tailored for Microsoft Dynamics Great Plains.
• Offered technical expertise and assistance throughout system deployments, effectively addressing technical hurdles and successfully implementing Microsoft Dynamics Great Plains, coupled with knowledge transfer to the customer's teams.
• Delivered professional services to customers, involving the migration of Exchange Server, Active Directory, SharePoint, and the configuration of ISA/TMG Servers.
• Executed data migration from legacy systems to the ERP platform, prioritizing data integrity, accuracy, and adherence to data governance policies.
• Conducted routine post-implementation reviews and assessments, identifying areas for enhancement and refining system integration processes and methodologies.