Dominic K.

Designed and implemented 3 large-scale, on-premise virtualized data centers utilizing VMware and Proxmox, supporting over 200 virtual machines for enterprise clients. Architected and deployed a comprehensive Disaster Recovery (DR) site, achieving a 99.9% recovery point objective (RPO) and reducing potential downtime by 40%. Spearheaded the migration of legacy backup systems to modern Veeam solutions for 15+ clients, improving backup success rates to 99.5%. Conducted 25+ cybersecurity posture assessments and vulnerability tests, identifying and mitigating over 500 critical security gaps across client networks. Delivered advanced firewall training and configuration for Palo Alto, Checkpoint, and FortiGate devices to over 50 network administrators. Managed the full security lifecycle for 10+ key accounts, implementing patch management protocols that decreased vulnerability exposure windows by 60%. Optimized virtual infrastructure performance, resulting in a 30% reduction in resource consumption and annual cost savings averaging $15,000 per client. Led the design of a hybrid cloud backup strategy integrating local NAS with Azure and AWS, enhancing data redundancy for critical systems. Automated routine system health checks and reporting, freeing up 20 hours per week of engineering time for strategic projects. Consulted on IT infrastructure projects with a total portfolio value exceeding $2M, ensuring alignment with business objectives and security best practices.

• Design and implementation of on-premise and DR site virtualized environment data Centers based on VMware, Proxmox, and Windows Hyper-V • Design and manage backup and disaster recovery for Customers • Installation and Training on Firewalls (Palo Alto, Checkpoint, FortiGate). • Perform Cybersecurity training, security lifecycle review, security posture Assessment, and Vulnerability tests for clients

• Installation, configuration, and management of over twenty VMware and Hyper-V Virtual machines. Manage Windows and Linux server's roles and databases (SQL and Oracle). • Manages backups for users and servers. The backup is done on both cloud (Amazon and Azure) and local NAS (Buffalo and Synology). • Install and manage perimeter UTM(Checkpoint), MPLS routers (Cisco), and LAN switches (Cisco) on all 17 branches. • Ensure windows and anti-virus updates and patches are applied periodically on all machines. Manage websites and user emails

Administered a hybrid virtual environment of 20+ VMware and Hyper-V VMs, ensuring 99.95% uptime for core financial transaction servers. Managed and optimized SQL and Oracle databases supporting critical payment processing applications, improving query performance by 25%. Implemented a centralized backup strategy for user data and servers across 17 branches using cloud (AWS/Azure) and local Synology NAS, achieving a 100% recovery success rate in tests. Configured and managed perimeter security using Checkpoint UTM devices and Cisco MPLS routers, blocking an average of 5,000 malicious intrusion attempts monthly. Standardized patch management and antivirus updates across 500+ endpoints, reducing infection rates by 95% over a 12-month period. Oversaw the corporate email system (Microsoft Exchange) and company websites, managing user accounts and ensuring continuous service availability. Led a network infrastructure upgrade project for 5 major branches, deploying new Cisco LAN switches which improved network throughput by 40%. Developed and documented IT operational procedures, reducing average incident resolution time by 35%. Coordinated with third-party vendors for hardware maintenance and software licensing, achieving a 15% reduction in annual IT support costs. Provided Tier-3 technical support, resolving an average of 50 complex tickets per month with a 98% customer satisfaction rating.

Deployed and managed a fleet of 20+ VMware virtual machines across multiple subsidiary companies, consolidating physical servers and reducing hardware costs by 30%. Administered critical Windows Server roles including Active Directory, DNS, and DHCP for a user base of 300+ employees. Implemented and configured FortiGate UTM firewalls and Cisco networking equipment, establishing secure interconnectivity between 8 company locations. Monitored network performance and security logs, proactively identifying and resolving issues which prevented an estimated 120 hours of potential downtime annually. Executed scheduled server maintenance and lifecycle upgrades, ensuring compliance with operational and security standards. Managed software licensing and asset inventory for the group's IT infrastructure, improving license compliance by 100%. Assisted in the planning and execution of a company-wide migration to a new ERP system, providing critical backend infrastructure support. Created detailed network diagrams and system documentation for the entire enterprise IT environment. Trained 2 junior IT staff members on virtualization and network management fundamentals. Implemented a centralized logging and monitoring solution, improving the IT team's visibility into system events and security alerts.

• Installation, configuration, and management of over twenty VMware Virtual machines for all companies. • Manage Windows server roles and their applications. • Install and manage perimeter UTM(FortiGate), MPLS routers (Cisco), and LAN switches for all companies

• Installation, configuration, and management of Hyper-VMs • Manage Windows server roles and their applications. • General hardware and software troubleshooting and repair of laptops, desktops, printers, switches, and servers.

• Installation and configuration of OS and software on laptops and desktops • Installation of LAN • General hardware and software troubleshooting and repair of laptops, desktops, printers, switches, and routers