Summary
Overview
Work history
Education
Skills
Websites
Certification
Timeline
Generic

VINCENT ONYEMA

Thamesmead West,United Kingdom

Summary

Enthusiastic and results-driven Desktop Support Engineer with hands-on experience in Microsoft 365, Azure, Active Directory, and modern IT infrastructure. Proven track record supporting Level 1 & 2 end-user issues in fast-paced environments, ensuring high SLA compliance and seamless user experience. Adept at desktop hardware/software troubleshooting, system patching, cloud service support, and ITIL-aligned operations. Passionate about building secure, efficient, and user-focused technical environments.

Overview

2
2
years of professional experience
7
7
years of post-secondary education
1
1
Certification

Work history

Service Desk Engineer (2nd Line Support)

CAS Exchange Ltd
London, United Kingdom
01.2024 - 06.2025

Provided 2nd line IT support, handling escalated technical issues from the 1st line team and ensuring timely resolution.

  • Provide Level 2 desktop and infrastructure support to 200+ users across Windows 10/11 and Microsoft 365 environments.
  • Troubleshoot and resolve issues related to Outlook, Teams, SharePoint Online, OneDrive, and Exchange Online.
  • Administer Active Directory and Azure AD: creating/removing users, password resets, group policy assignments, and MFA setup.
  • Support VPN and remote access solutions including Citrix and RDP; ensure secure and efficient remote connectivity.
  • Patch operating systems and applications, reducing endpoint vulnerabilities by over 30%.
  • Troubleshoot LAN/WAN, DNS, DHCP, and firewall issues, maintaining 99.9% network uptime.
  • Support endpoint devices including desktops, laptops, printers, and mobile devices (MDM).
  • Use ITSM tools for incident, problem, and change management following ITIL best practices.
  • Document procedures and create user-focused knowledge base articles to reduce repeat tickets.

Support Service Engineer (1st line Support)

CAS IT Services Ltd
London, United Kingdom
09.2023 - 01.2024


  • Provided 1st line IT support, serving as the first point of contact for technical issues via phone, email, and ticketing systems.
  • Delivered front-line support via phone, email, and ticketing systems, maintaining high customer satisfaction.
  • Resolved Microsoft 365 issues across Outlook, Excel, SharePoint, and Teams.
  • Configured laptops/desktops and supported imaging and user provisioning for new hires.
  • Managed incidents such as VPN connection failures, spam/email flow issues, and file restore requests.
  • Administered user accounts in Azure AD and Active Directory, enforcing password and access controls.
  • Assisted with OS and software installations, ensuring compliance with IT policies.
  • Provided basic support for file sharing, permissions, and backups.
  • Trained end-users on O365 tools and improved IT literacy across departments.

Education

Master of Science - Web and Mobile Development Technologies

Northumbria University
09.2022 - 05.2023

Master of Science - Insurance and Risk Management

Enugu State University of Science and Technology
01.2018 - 05.2021

Bachelor of Science - Insurance and Risk Management

Enugu University of Science and Technology
10.2012 - 05.2015

Skills


  • Operating Systems: Windows 10/11, Windows Server
  • Microsoft Cloud: Microsoft 365, Azure, SharePoint Online, Exchange Online, Teams
  • Directory Services: Active Directory, Azure AD
  • Networking: LAN/WAN, VPN, DNS, DHCP
  • Device Management: Intune, Mobile Device Management (MDM)
  • Tools: PowerShell, RMM tools, ITSM platforms (JIRA), VMware
  • Security: MFA, patching, endpoint hardening
  • ITIL Practices: Incident, Change, Problem Management, SLA compliance

Certification

  • Microsoft 365 Fundamentals MS-900, 05/2024
  • Microsoft Azure Fundamentals AZ-900, 04/2024
  • CompTIA A+ (In Progress)

Timeline

Service Desk Engineer (2nd Line Support)

CAS Exchange Ltd
01.2024 - 06.2025

Support Service Engineer (1st line Support)

CAS IT Services Ltd
09.2023 - 01.2024

Master of Science - Web and Mobile Development Technologies

Northumbria University
09.2022 - 05.2023

Master of Science - Insurance and Risk Management

Enugu State University of Science and Technology
01.2018 - 05.2021

Bachelor of Science - Insurance and Risk Management

Enugu University of Science and Technology
10.2012 - 05.2015
VINCENT ONYEMA