Systems Administration
Windows Server 2012/2016/2019/2022, Linux Ubuntu/CentOS, Active Directory, GPO, DNS, DHCP, file services and access management.
SENIOR IT INFRASTRUCTURE • SYSTEMS • NETWORKING
Reliable technology.
Secure infrastructure.
Better operations.
Senior IT Infrastructure & Systems Engineer with 10+ years of hands-on experience across enterprise systems administration, Windows Server, Linux, VMware, Microsoft 365, Active Directory, networking, cybersecurity and IT operations.
Open to senior/lead opportunities • Remote • International relocation
10+Years IT
300+Users supported
68%Resolution improvement
ABOUT ME
Technology support that keeps business moving.
I specialize in enterprise infrastructure and systems administration, keeping technology reliable, secure and available. My work spans Windows and Linux servers, VMware virtualization, Microsoft 365, Active Directory, networks, VPNs, firewalls, backup, disaster recovery, endpoint support and IT service management.
I combine hands-on troubleshooting with structured IT processes, monitoring, documentation and service improvement to reduce downtime and improve the user experience.
10+Years experience
300+End users supported
68%Resolution-time improvement
40 hrsHelpdesk time saved/month
56%First-call improvement
57+Staff trained
TECHNICAL EXPERTISE
What I work with
Virtualization & Cloud
VMware ESXi, VMware vCenter, virtual machine deployment and management, Microsoft 365 administration and cloud service support.
Networking & Security
LAN/WAN, TCP/IP, VLANs, switching, routing, VPNs, pfSense, Fortinet, firewall administration and network security monitoring.
IT Operations & ITSM
Incident, request and problem management, SLA monitoring, root cause analysis, asset management, preventive maintenance and technical documentation.
Backup & Disaster Recovery
Backup monitoring, recovery, restoration, disaster recovery planning, recovery testing and business continuity support.
Monitoring & Automation
PRTG, Nagios, SolarWinds, Wireshark, PowerShell scripting and system performance monitoring.
PROFESSIONAL EXPERIENCE
Enterprise IT experience
Jan 2016 — Present
Kakira Sugar Limited
Senior IT Infrastructure & Systems Engineer
- Support 300+ enterprise users across endpoints, printers, network connectivity, Microsoft technologies and business-critical IT services.
- Administer Windows Server services including Active Directory, DNS, DHCP, Group Policy and security configurations.
- Manage VMware ESXi virtualization infrastructure, virtual machines, monitoring and troubleshooting.
- Support Linux servers and enterprise applications, including system troubleshooting and operational maintenance.
- Administer Microsoft 365 services including user management, licensing and collaboration tools.
- Maintain LAN/WAN infrastructure including switches, VLANs, VPNs, routing, connectivity and firewall solutions such as pfSense and Fortinet.
- Monitor infrastructure health using PRTG, Nagios, SolarWinds and other monitoring platforms.
- Perform backup, recovery and disaster-recovery activities and support service continuity.
- Improved incident resolution time by 68% through structured troubleshooting, escalation and service-process improvements.
- Automated password-reset activities, saving approximately 40 helpdesk hours per month and reducing repetitive support work.
- Trained 57+ staff and contributed to stronger first-call resolution, documentation and user self-service.
SELECTED PROJECTS
Practical solutions with measurable impact
Helpdesk Automation
Impact: approximately 40 helpdesk hours saved each month.
Automated repetitive password-reset activities and improved support efficiency by reducing manual intervention.
Incident Resolution Improvement
Impact: 68% improvement in resolution time.
Applied structured troubleshooting, escalation and ticket follow-up to improve service delivery and reduce delays.
Network Printer Support SOP
Focus: diagnostics, repair, testing and escalation.
Created practical troubleshooting guidance for network printer connectivity and repair traceability.
User Training & Support
Reach: 57+ staff trained.
Provided practical technical guidance that improved user support, first-call resolution and day-to-day technology adoption.