Senior Network Administrator with 15+ Years Experience

KELVIN A EGOH

**********@*****.*** 786-***-**** 1512 Harwell Dr, Arlington TX 76011

Professional Summary

Experienced and results-driven Network Administrator with over 15+ years of experience in managing, configuring, and supporting enterprise IT infrastructure. Proven expertise in Windows and Linux Server administration, Cisco networking (CCNA-certified), and VMware virtualization. I am skilled in designing secure, efficient networks, implementing system upgrades, performing troubleshooting, and ensuring uptime. Adept at managing firewalls, DNS/DHCP, Active Directory, virtualization, and backup systems.

Skills Highlight

Windows Server (2012/2016/2019) Administration

Computer Repairs and Software Installations

Linux Server (RedHat/CentOS/Ubuntu) Administration

CCNA and CCNP– Cisco Routing & Switching

VMware vSphere, ESXi, vCenter, vMotion

Network Monitoring & Troubleshooting

DNS, DHCP, FTP, NFS, Samba, Group Policy

Active Directory & Group Policy Management

Firewall & VPN Configuration (Cisco ASA, pfSense)

PowerShell & Bash Scripting

ITIL Processes & Documentation

AWS and Azure Cloud

Monitoring Tools: Wireshark, SolarWinds, Splunk, Qrader

Jira

MS Intune / Auto-Pilot

MDM Solution

Microsoft Defender for Endpoint.

Experience

Network Administrator

02/2022 - 5/2025

Vertexone Dallas, Texas

Design and implement Microsoft Intune Solution for endpoint Management including device enrolment, policy configuration, and application deployment

Implement Security Policies and Configuration to ensure the protection of endpoints devices through Intune

Manage security baselines and company’s policies to meet organizational security standards

Collaborate with applications owners to streamline the deployment process

Create and manage configuration profiles to enforce settings and restrictions on devices.

Architect, recommend solutions, support, maintain and develop the security infrastructure to support an Azure Identity Access management (IAM) system

Administer and monitor over 100+ Windows and Linux servers ensuring 99.9% system uptime.

Deployed and managed VMware vSphere infrastructure, including ESXi hosts and vCenter.

Designed VLANs, routing, and switch configuration for Cisco-based networks.

Handled Active Directory user/group policies, DNS, DHCP, and remote desktop services.

Maintained Cisco ASA firewall rules, site-to-site VPNs, and network security

Managed Windows Server 2012/2016 and Linux environments (Ubuntu and CentOS).

Assisted in upgrading VMware clusters, enabling high availability and resource optimization.

Configured and managed Cisco routers/switches, including NAT, ACLs, and routing protocols.

Provided Tier 2/3 support and documented solutions in internal knowledge base.

Monitored network traffic and availability using tools like SolarWinds and Nagios.

Network Administrator

04/2020 - 01/2022

JPMorgan Chase Dallas, Texas

Manage user and group accounts via Azure AD.

Implement RBAC (Role-Based Access Control).

Configure and implement Conditional Access policies.

Set up and manage MFA.

Configure and maintain network hardware (routers, switches, firewalls)

Monitor network performance and troubleshoot issues

Implement and manage VPNs and remote access solutions

Manage IP addressing, DNS, DHCP, and VLANs

Enforce network security policies and access controls

Perform regular network backups and disaster recovery plans

Designed Microsoft Intune Architecture to meet customers technical security, and business needs

Management of MDM Platform (Microsoft Intune)

Provide administration and technical support for mobile devices and troubleshoot complex technical issues.

Configure and deploy Auto-Pilot within Intiune

Manage identity and access on-premises with Active Directory with window server 2016 and 2019

Cyber Security Engineer

08/2019 - 03/2020

Anisoft Solution Miami, Florida

Create Azure AD users and RBAC Permission

Architect, recommend solutions, support, maintain and develop the security infrastructure to support an Azure Identity Access management system

Maintain M365 environment to include Azure AD, Intune, Exchange Online, Teams, and OneDrive

Working with other administrators and engineers of Exchange, Networks security to perform system changes and troubleshooting

Manage Exchange Online users, manage recipients - create, modify, delete, shared mailbox, recover deleted emails

Generating AD report through PowerShell

Creating and managing application integrations with azure active directory and high experience in conditional access policies, Multifactor Authentication (MFA), Resetting MFA and resolving the MFA issues

Managed day-to-day activities creating and managing OKTA policies and creating and managing OKTA applications, including SAML and Oauth. Involved in OKTA Certificates and domain management

Integrated Active directory with Okta

Experience in Configuring and integrating applications with Single-Sign On (SSO) and SAML.

Developed and Deployed SCIM connectors for on-premises applications for user provisioning and de-provisioning

Troubleshooting of application SSO issues on SAML protocol.

Identifying and recording security flaws and breaches on our network

Creating suggestions for security upgrades.

Network admin

01/2011 - 03/2018

NNPC Benin, Nigeria

Administered and maintained Windows Server 2012 and 2016 environments for 100+ users

Implemented and managed Cisco routing and switching infrastructure across multiple sites

Monitored network performance, performed upgrades and patches

Managed AD, DNS, DHCP, and Group Policies for secure access control

Responded to outages and resolved Layer 2/3 network issues within SLA

Provided desktop and remote support to staff across multiple locations

Documented network diagrams and updated IT asset inventory

Education

Master of Science: Web design Technologies

Lynn University Boca Raton, Florida

Master of Science: Computer Network Security

Anglia Rusting University Chelmsford, United Kingdom

Postgraduate Diploma: Telecommunication Engineering

Queen Mary University of London Mile-end, United Kingdom

Bachelor of Science: Computer Science

Delta State University Abraka, Nigeria

Professional Certification

AWS Certified DevOps Engineer – Professional

Microsoft Certified Solution Expert (MCSC)

References

Available on request

Contact this candidate