Nigel N

Systems Administrator

May 2025 - Present • 1 yr 6 mos

Manage and optimize Windows Server and Linux environments, sustaining 99.9% system uptime through proactive monitoring, patching, and preventive maintenance. Administer Active Directory and Group Policy for 1,000+ users, strengthening security controls and streamlining user access provisioning and deprovisioning. Implement and maintain scheduled system and database backups, ensuring data integrity and availability across critical business systems. Test backup and disaster recovery procedures quarterly, verifying successful data restoration and business continuity readiness. Automate routine administrative tasks user account management, reporting, and system health checks using PowerShell, reducing manual workload by an estimated 15 hours per week. Automate business and IT workflows using Microsoft Power Automate, improving process efficiency and eliminating repetitive manual tasks. Lead patch management and security update initiatives, ensuring compliance with IT policies and reducing vulnerability exposure across the server estate. Configure and manage enterprise email systems and applications, including Microsoft 365 and Microsoft Dynamics 365 Business Central. Maintain and support virtualization platforms (VMware, Hyper-V), including VM provisioning, snapshots, and resource allocation. Document system configurations, standard operating procedures, and troubleshooting guides to support knowledge transfer and audit readiness. Coordinate with vendors and service providers for system support, licensing, and maintenance escalations.

IT Systems Officer

Aug 2024 - May 2025 • 9 mos

Supported critical ERP system operations, managing upgrades and testing new modules to improve system efficiency and user adoption. Managed user roles, permissions, and security groups within Microsoft Dynamics 365 Business Central, aligning access control with organizational policy. Resolved functional and technical ERP issues for end-users, reducing average ticket resolution time by 25% and minimizing business disruption. Collaborated with project teams to implement ERP enhancements, delivering projects on time and within scope. Gathered requirements from functional teams and translated them into system enhancements and configuration changes. Delivered user training and post-implementation support, improving system adoption and reducing recurring support requests.

IT Technician Intern

Jul 2022 - Jun 2024 • 1 yr 11 mos

Provided first-line and second-line technical support via helpdesk systems, ensuring timely resolution of incidents and service requests against SLA targets. Logged, tracked, and prioritized support tickets by impact and urgency in line with SLA requirements. Diagnosed and resolved hardware, software, and network issues across desktops, laptops, printers, and mobile devices. Installed, configured, and maintained end-user devices, operating systems, and business applications. Troubleshot network connectivity issues including LAN/WAN, Wi-Fi, VPN, and printer/network access problems. Performed routine hardware maintenance, upgrades, and component replacements to sustain optimal device performance. Resolved password resets, account access issues, and system navigation queries for end-users. Escalated complex technical issues to senior IT staff with full documentation and follow-up. Supported onboarding and offboarding processes, including user account setup, device provisioning, and access configuration. Maintained incident, solution, and procedure documentation within the helpdesk knowledge base. Conducted routine system and network health checks to proactively identify and resolve potential issues. Ensured compliance with IT policies, security standards, and data protection procedures.