Senior Network Engineer and IT Systems Specialist

COREY WILLIAMS

Tamarac, FL *****

754-***-**** *********@*****.***

SUMMARY:

Network Engineer/Administrator with 17 years of experience supporting server environments. Determined and focused on managing network infrastructure, optimizing environments, and reducing redundancy. Recognized as an expert troubleshooter capable of resolving complex issues and developing innovative solutions while adhering to project scope and requirements. Dynamic team player with strong collaboration skills when working with staff, vendors, and end-users.

TECHNICAL SKILLS:

Firewall configuration

LAN/WAN administration

Virtualization technologies

Network repairs and maintenance

Network systems installation

Data backups

Network architecture design

Network security management

Wireless networking

Advanced troubleshooting

Network monitoring

IP addressing and subnetting

PROFESSIONAL EXPERIENCE:

IT Consultant

Broward Health

January 2026 - March 2026

·Install, maintain, and troubleshoot enterprise-level networks.

·Install, maintain, and troubleshoot Cisco Catalyst and Meraki devices (routers, firewalls, switches, and APs)

·Work with Cisco Secure Firewall Manager, Catalyst Center, WLC Dashboard, and Meraki for network maintenance.

·Worked with Infoblox for DNS and DHCP

·Worked with EIRGP, OSPF, and MPLS routing.

·Manganement of ACL and ACE with Cisco Secure Firewall Manager

·Cable Mangemant

·Network documentation

Systems Engineer

Kinetix Solutions – Coconut Creek, FL

July 2025 – January 2026

Implemented networking and server changes to meet client budgets and needs (Cisco, Cisco Meraki, Ubiquiti).

Manage and support Exchange Online, SharePoint, OneDrive, Teams, and the Microsoft 365 Admin Center; proficient in user administration, license management, security/compliance settings, and cloud collaboration environments.

Maintained stability, integrity, and efficiency of information systems supporting organizational functions.

VOIP setup and troubleshooting.

Optimized networked software and operating systems by applying updates and patches.

Completed software updates and assessed security patches for optimized performance.

Conducted research to identify and evaluate new technologies and concepts.

Developed high-quality engineering designs and plans meeting industry standards.

Documented engineering procedures and processes.

Installed, configured, and supported LAN, WAN, and Internet systems.

Set up, maintained, and troubleshot physical and virtual servers.

Senior Network Engineer/Administrator

Jushi – Boca Raton, FL

December 2021 – July 2025

Designed, implemented, and monitored networks across 53 nationwide locations (Cisco Meraki, Altek, Araknis).

Implemented corrective action plans for network availability and latency.

Maintained network performance through monitoring, analysis, performance tuning, and troubleshooting.

Established network specifications and analyzed workflow, access, information, and security requirements.

Managed network inventory.

Maintained and troubleshot NVR, NAS, and security camera systems (Exaqvision, Hikvision, Wisenet, Avigilon).

Installed, configured, and supported LAN, WAN, and Internet systems.

Upgraded networks by working with vendors to develop, test, evaluate, and implement enhancements.

Managed Azure groups, users, devices, and licenses; created and managed Azure VMs and virtual networks.

Managed email backup, archiving, and recovery in Microsoft 365.

Responsible for acquiring and managing ISP and phone services for all locations.

Backed up company data to distributed storage to prevent data loss.

Recommended systems development and operations improvements.

Network Engineer

International Education Corporation – Lauderdale Lakes, FL

July 2019 – December 2021

Network configuration and management for all East Coast locations.

VLAN management.

Server and desktop installation, troubleshooting, and maintenance.

Hyper-V and VM creation/management.

Wyse terminal administration.

Managed Symantec deployment and updates.

Active Directory (on-prem and cloud) and Exchange (on-prem and cloud).

CCTV setup and management.

Cable runs and networking equipment installation.

VOIP management.

Created training and informational documentation.

Firewall and switch configuration/management.

NAS/SAN administration.

Technology inventory management.

Microsoft 365 and Azure management.

Field Network Engineer

Evolvtec – Fort Lauderdale, FL

February 2018 – May 2019

Provided hardware and software support for Windows and Apple systems.

Performed end-user security troubleshooting.

Designed, installed, and troubleshot LAN and wireless networks.

Designed and implemented client-tailored backup procedures.

Designed, implemented, and troubleshot CCTV systems.

Performed cable runs for network and CCTV systems.

Printer troubleshooting and repair.

Supported AV systems.

Designed and implemented Group Policy.

Provided end-user and technician training.

Maintained client inventory.

IT Desktop Support

Fibernet Corp. – Doral, FL

April 2017 – February 2018

Provided remote and in-person support for 200 end users.

Supported VMware virtual machines.

Managed printers and print servers.

Supported fax servers.

Managed users and groups in Active Directory.

Managed mailboxes in Exchange.

Used PXE boot to push Windows 7 & 8 images.

Created and managed GPOs.

Supported Mitel phone systems.

Provided audio/visual support including Skype, GoToMeeting, and BlueJeans.

Technical Support Specialist

GMMI – Pembroke Pines, FL

September 2016 – April 2017

Provided remote and onsite support for 200 end users.

Supported VMware virtual machines.

Provided printer and print server support.

Supported and edited Visual FoxPro databases.

Supported fax servers.

Managed Active Directory users and groups.

Managed Exchange mailboxes.

Used PXE boot for imaging.

Created and managed GPOs.

Managed print servers and Mitel phone systems.

Managed access badges and COMCOM mailroom servers.

Supported mailroom equipment including letter opener, stuffer, and sealer.

Performed Exchange 2010 to 2016 migration and server migrations.

Network Support Specialist

Zimmerman Advertising – Fort Lauderdale, FL

August 2015 – August 2016

Provided phone, email, and onsite support for 300 end users.

Installed and repaired hardware/software for Mac and Windows.

Supported iPhone, Android, and Windows phones.

Managed database servers.

Assisted with video conferences.

Supported Cisco phone systems.

Managed FTP site and VPN connections.

Provided SharePoint support.

Technical Support Engineer II

Nova Southeastern University – Davie, FL

August 2013 – August 2015

Provided Exchange 2010 support.

Supported networking, installation, and maintenance.

Supported 1,000 end users via phone, email, and in-person.

Supported Windows and Apple systems.

Configured and tested new hardware/software.

Provided onsite support to remote users.

Supported mobile devices and tablets.

Used SCCM to push updates, OS migrations, and software packages.

Managed VMware environments.

Provided A/V setup for events.

Supervised student employees.

Managed print servers and IT inventory.

Managed encryption using BitLocker and Casper.

Managed lab environments using VMware.

Information Technology Specialist

World Fuel Services – Doral, FL

August 2010 – April 2013

Supported 400 end users remotely and onsite.

Provided networking installation/maintenance.

Configured and tested new hardware/software.

Maintained TCP/IP networking and hardware.

Supported video conferencing.

Supported Oracle systems, VPN, and Cisco phones.

Used Clonezilla for imaging Windows XP/7 devices.

Network Specialist II

University of Miami – Miller School of Medicine – Miami, FL

June 2006 – April 2013

Provided in-person support for 1,000 end users.

Managed Active Directory and Exchange 2007.

Created and managed images using Norton Ghost and SCCM.

Supported Windows and Apple systems.

Created technical documentation.

Supported Blackberry servers.

Supported medical software and equipment.

Managed Dell hardware deployments.

Migrated Jackson Hospital from Windows 95 to XP.

Rewired and labeled data center.

Supported mobile computer stations in hospitals/clinics.

EDUCATION:

American Intercontinental University – Weston, FL

Bachelor of Science in Information Technology

May 2004

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