Systems & Network Administrator, Cybersecurity Engineer

Jerry O. Uwabunkeonye

**** **** **, ***** **, Houston TX 77072

832-***-****/346-***-**** ️ *********@*****.***, (ISC) - Member

PROFESSIONAL SUMMARY

Experienced System Administrator and Cybersecurity Engineer with over 10 years of experience supporting enterprise systems, cybersecurity tools, network infrastructure, Active Directory, cloud environments (AWS, Azure), and IT support operations. Proven ability to troubleshoot complex technical issues, manage accounts and assets, support remote environments, and ensure security compliance.

CORE SKILLS

Platforms: Windows (2000–2022), Linux, Unix, Slack, VMware, Oracle DB, SCCM, Intune, MECM, Google Workspace

Networking: TCP/IP, DNS, DHCP, LAN/WAN, VPN (Pulse Secure, FortiClient, Citrix), Cisco, Meraki

Security & Identity: Active Directory, Active Role Server, MFA, RSA, SailPoint, Cybersecurity tools, SCCM, Intune

Software & Tools: ServiceNow, Cherwell, Jira, Remedy, iTrack, RightFax, SQL Server, USMT, MDT, Github

AV & Collaboration: Cisco CUCM, AV/VC setup, Microsoft Teams, Zoom, HoloLens, WebEx

Cloud & DevOps: AWS, Azure, NSX, APIs, Intune, VMWare vSphere, Ansible, Python

ITIL/Compliance: Good understanding of ITIL processes, SCCM, ISO frameworks, ticket lifecycle.

CERTIFICATIONS

AWS Certified Solutions Architect – Associate: Edureka

Certified Information Systems Auditor (CISA): ISACA

Cybersecurity Professional: Google

CompTIA A+, Network+: CompTIA

(ISC) Certified in Cybersecurity – CC: (ISC) Member

PROFESSIONAL EXPERIENCE

Desktop Support Technician/Data Analyst

Buzzclan (Client: Harris County) – Houston, TX July 2025 – May 2026

Working on the ETAM project

Migration of the computers and Computer System

Migrating and Deploying of Surface Pro.

Using ServiceNow ticketing tool to evaluate tickets in the system and report to the team Manager for resolution

Good knowledge of ServiceNow ITSM

Good Data management using tools like Quick Base, Endpoint Security, Power BI, and SharePoint, Ivanti IT Assets Management tools.

Assuring Data reconciliation and Integrity.

Installed, configured, upgraded, and patched SQL Server instances to ensure optimal performance, security, and availability.

Managed multiple SQL Server versions across on-premises, virtualized, and cloud environments.

Good knowledge of Intune Services, Azure Cloud deployment and control.

Monitored network performance, bandwidth utilization, latency, and availability using tools such as SolarWinds, PRTG, Wireshark, and Nagios, proactively identifying and resolving performance bottlenecks.

Configured and maintained SQL Server services, instances, databases, and server-level settings.

Performed network troubleshooting using Ping, Traceroute, Nslookup, Netstat, PowerShell, and Wireshark to diagnose routing, switching, DNS, and connectivity issues.

Administered core network services including DNS, DHCP, TCP/IP, NTP, and IP address management (IPAM) to ensure reliable network connectivity.

Collaborated with cybersecurity teams to implement network security controls, vulnerability remediation, firewall rule reviews, and compliance with organizational security standards.

Configured and maintained secure remote access solutions using site-to-site and remote access VPN technologies, ensuring secure connectivity for remote users and branch offices.

Delivered white-glove IT support to executives, VIP users, and senior leadership, ensuring rapid resolution of hardware, software, and connectivity issues with minimal business disruption.

Participated in migrations from legacy MDM solutions to Workspace ONE, ensuring minimal user disruption and data integrity.

Integrated Workspace ONE with enterprise systems, including ServiceNow, Microsoft Intune, and identity management platforms.

Implemented security best practices for identity management in Microsoft Azure AD.

Maintained synchronization between on-premises Active Directory and Azure cloud environments.

Managed SCCM site servers, distribution points, management points, and software update points to ensure high availability and optimal performance.

Created and deployed software packages, applications, task sequences, and operating system images using SCCM.

Provided technical support and troubleshooting for Apple MacBook devices, resolving hardware, software, operating system, and connectivity issues for end users.

Installed, configured, and maintained macOS systems, including user accounts, security settings, software deployments, and system updates.

Supported Apple ecosystem services such as iCloud, Apple ID management, AirDrop, Time Machine backups, and device synchronization.

Administered groups, users, and device registrations in Microsoft Entra ID.

Supported users remotely using ServiceNow/Service Manager

Managed user accounts with Active Directory, RSA authentication.

Administered Cisco CUCM and VoIP systems; resolved AV/live event issues.

Deployed applications via SCCM, managed cloud assets via Intune and MECM.

Troubleshot hardware/software on Dell, HP, Toughbook, and Lenovo devices.

Managed network configurations, switches, routers, and system migrations (Win 8/10).

Maintained VMware, VMs, cloud systems, and private NSX cloud services.

Good experience of Network administration, mapping drives, and network configurations

System Administrator / IS Service Desk Analyst

Kanshe Infotech – Houston, TX July 2016 – July 2025

Supported users remotely using ServiceNow, Cherwell, Remedy, Jira, and iTrack.

Managed user accounts with Active Directory, Active Role Server, and RSA authentication.

Administered Cisco CUCM and VoIP systems; resolved AV/live event issues.

Delivered white-glove IT support to executives, VIP users, and senior leadership, ensuring rapid resolution of hardware, software, and connectivity issues with minimal business disruption.

Deployed applications via SCCM, managed cloud assets via Intune and MECM.

Supported SAP (Unix, Phoenix, Windows), SQL Server, Oracle DB, and Windows servers.

Troubleshot hardware/software on Dell, HP, Toughbook, and Lenovo devices.

Supported audio/video over IP, boardroom events, mobile device management (iPads, MS Surface Pro).

Administered the Ivanti Neurons Platform for endpoint management, asset discovery, IT automation, and proactive device monitoring across enterprise environments.

Utilized Ivanti Neurons for ITSM to manage incidents, service requests, changes, and workflows while maintaining accurate ticket documentation and SLA compliance.

Assisted with VDI infrastructure upgrades, migration projects, disaster recovery planning, and capacity management to ensure business continuity.

Administered and supported Virtual Desktop Infrastructure (VDI) environments using VMware Horizon, Citrix Virtual Apps and Desktops, and Microsoft Azure Virtual Desktop.

Installed, configured, upgraded, and patched SQL Server instances to ensure optimal performance, security, and availability.

Managed multiple SQL Server versions across on-premises, virtualized, and cloud environments.

Configured and maintained SQL Server services, instances, databases, and server-level settings.

Conducted digital forensic investigations using Forensic Toolkit (FTK) to analyze disk images, recover deleted files, and identify evidence of unauthorized activity.

Performed forensic imaging and data acquisition from hard drives, removable media, and system memory while maintaining chain of custody.

Analyzed file systems, registry artifacts, and metadata to identify malicious activity and insider threats.

Participated in migrations from legacy MDM solutions to Workspace ONE, ensuring minimal user disruption and data integrity.

Integrated Workspace ONE with enterprise systems, including ServiceNow, Microsoft Intune, and identity management platforms.

Automated application deployments, reducing manual software installation efforts and improving deployment efficiency.

Configured maintenance windows and phased deployments to minimize business disruption during updates.

Diagnosed and resolved network connectivity issues involving Wi-Fi, VPN, email clients, printers, and enterprise applications on MacBook devices.

Managed device enrollment, compliance, and security policies using Mobile Device Management (MDM) solutions such as Jamf Pro, Microsoft Intune, and Apple Business Manager.

Configured and managed Intune enrollment methods, including Azure AD Join, Hybrid Azure AD Join, Windows Autopilot, and Apple Automated Device Enrollment (ADE).

Extracted and examined digital artifacts including emails, browser history, and system logs using Forensic Toolkit (FTK).

Manage recourses and get back with stakeholders on issues relating to the organization

Managed Azure resource groups, subscriptions, and policies to enforce governance and cost management.

Automated cloud deployments using Azure Resource Manager (ARM) templates and Infrastructure-as-Code practices.

Implemented and maintained security controls in accordance with Federal Risk and Authorization Management Program (FedRAMP) requirements for cloud environments.

Performed vulnerability scanning and remediation using security tools to maintain FedRAMP compliance standards.

Deployed and managed virtual machines, storage accounts, and networking resources.

Managed network configurations, switches, routers, and system migrations (Win 8/10).

Maintained VMware, VMs, cloud systems, and private NSX cloud services.

Provided offshore/onshore IT support, user profiling, and ticket lifecycle resolution.

Comprehensive suites covering, antivirus, anti-malware, and firewalls.

Managed service requests and ensured timely fulfillment according to ITIL service management standards.

Implemented and followed ITIL best practices to improve IT service delivery and operational efficiency.

Extends security beyond endpoints to include, networks, clouds, and email.

Focuses on detecting, investigating, and mitigating advanced, persistent threats.

Conduct risk assessments, vulnerability scanning, gap analyses, and remediation in industrial settings.

Scan systems using Nessus or Qualys

Identify vulnerabilities and assign risk scores

Application Security and Testing

Good experience of Network administration, mapping drives, and network configurations

Senior System Administrator / Cybersecurity Engineer

Kanshe Infotech – Houston, TX Jan 2016 – Jul 2016

Supported and deployed Linux, AIX, Solaris, and Windows server environments.

Installed wireless infrastructure and administered cloud storage (XIO, Nimble, 3Pa).

Managed VMWare vSphere/vCenter, NSX, and application integrations using APIs and Ansible.

Conducted endpoint protection with Symantec, deployed Office 365, and handled device imaging.

Delivered Tier 1 and Tier 2 support for macOS environments, achieving timely resolution of incidents and service requests while maintaining SLA compliance.

Performed hardware diagnostics, component replacement coordination, and warranty support for Apple MacBook Pro and MacBook Air devices.

Assisted users with Microsoft 365, email configuration, file sharing, and cross-platform integration between macOS and Windows environments.

Implemented security best practices including FileVault encryption, multi-factor authentication, endpoint protection, and patch management for Apple devices.

Created technical documentation and knowledge base articles to streamline MacBook support processes and improve user self-service capabilities.

Handled Remedy tickets, remote access support (Bomgar, RDP, Dameware), and USMT/MDT tools.

Senior System Administrator

Kanshe Infotech – Houston, TX Jan 2015 – Nov 2015

Deployed and migrated Windows OS (XP to 10); repaired desktops/laptops.

Administered AD, SCCM, and embedded system software.

Managed and monitored enterprise antivirus (AV) and endpoint protection solutions to safeguard systems from malware, ransomware, and other cyber threats.

Performed regular AV signature updates and system scans to ensure protection against emerging threats.

Supported Aventail VPN, DNS, DHCP, and configured TCP/IP settings.

Delivered support for smartcards, VMs, and mobile device (BlackBerry, iPads, tablets).

System Administrator / IT Support

Pomeroy – Houston, TX Feb 2014 – Nov 2014

Supported mobile/VPN access (Citrix Mobility, SailPoint), managed Exchange servers.

Maintained SCCM, Java/.NET environments, and configured virtual smartcards.

Administered SAP, PeopleSoft, and Microsoft SQL Server.

Provided remote support and endpoint recovery via USMT/MDT tools.

EDUCATION & TRAINING

B.Sc. Business Administration – Imo State University, Owerri, Nigeria 2001

Randle Secondary School, Apapa, Lagos, Nigeria — High School 1990

Professional Training & Certifications:

EDP Computer School Apple Portable Repair Dell Certified System Expert

Cybersecurity training – Techskill LCC, Edureka, Amazon, ISACA

TOOLS & APPLICATIONS

MS Office Suite, SharePoint, Visio, PowerPoint, Outlook

ServiceNow, TeamMate, IDEA/ACL, Bomgar, RightFax, ITIL, AVAYA

REFERENCES

Available upon request.

Contact this candidate