Summary
Overview
Work History
Education
Skills
Timeline
Hi, I’m

Sean Williams

Saint Augustine,FL
Sean Williams

Summary

To obtain a highly rewarding career where I can grow my technical knowledge and experience to further the success of the company and my co-workers. Multitasking Network Administrator with background in system upgrades and hardware monitoring. Determined employee with over 19 years of network component installation experience. Highly knowledgeable in system repairs and performance improvements. Business-minded Network Administrator with 19 years of experience in supporting server environments. Determined and focused in managing network infrastructure and optimizing environment while reducing redundancy. Considered expert in troubleshooting complex problems and reaching innovative solutions while adhering to rules and requirements of project scope. Dynamic team player when interfacing with other staff members, vendors and end-users.

Overview

22
years of professional experience

Work History

Fiber Fast Homes

Network Administrator
02.2022 - 05.2023

Job overview

  • Build out and Configure network equipment for deployment on site
  • Setup, Configure, and test Mikrotik Routers, Switches
  • Setup Configure, and test Unifi OLTs, ONUs
  • R&D Routers, Switches, Wi-Fi solutions
  • Provide Onsite Support to construction, Head end build outs
  • Assist Concierge with escalated customer issues
  • Office 365 and Exchange Online Administration
  • Create and update technical documentation
  • Assist internal users with issues
  • Setup, Configure Managed Switches
  • Manage Tasks and Projects via UpClick
  • Implement and Complete Projects as assigned.
  • Employee onboarding and offboarding.
  • Maintain equipment inventory, shipping and receiving
  • Provide training to Construction/Fiber crews on various equipment.
  • Create SOPs and Standardization

Total Business Solutions

Senior Systems Administrator
01.2021 - 01.2022

Job overview

  • Provide Tier 2 - 3 support to clients
  • Implement new solutions for clients
  • Setup, Configure Sonic Wall FWs
  • Setup, Configure WAPS or APS
  • Handle Escalated tickets
  • Provide Onsite Support for Clients
  • Maintain Customer's backups
  • Administer Office 365 and Exchange Online
  • Maintain ProxMox servers containing client's apps and docs
  • Assist Tier 1 when needed
  • Provide Onsite Service to clients
  • Setup, Configure Managed Switches
  • Create and Resolved support tickets via Auto Task
  • Implement and Complete Projects as they are given.

Advanced Business Computers of America

01.2018 - 01.2021

Job overview

  • Responsible for all AWS Environments, 3 VPCs containing 50
  • EC2 instances, 15 Security Groups, 3 NATs and 3 IGWs
  • Plan, Design and Implement Dev and Prod Environments for
  • Cloud based solutions using AWS solutions
  • Maintain Windows Active Directory containing over 1500 Users
  • Responsible for 500 SQL databases implemented with HA
  • Groups for redundancy

L7 Solutions

System Administrator
01.2013 - 01.2018

Job overview

  • Administration of Exchange 2010, 2007, and Office365
  • Responsible for Escalated tickets from Tier II Techs
  • Responsible for Documentation of Calls
  • Working tickets via ConnectWise
  • Administration of Watch Guard Firewalls
  • Support Clients with their issues
  • Communicate to Management of any Critical issue
  • Troubleshoot computers using Labtech/Screen Connect
  • Administration of active directory
  • Setup new users and associated accounts
  • Assist Tier I/II engineers with tickets
  • Responsible for creating images of current machines for
  • Disaster recovery purposes
  • Setup and test laptops for new users
  • Maintain ESXi hosts, Citrix Xen App server, and Hyper V
  • Monitored rack-mount hardware metrics such as temperature, power draw and more to immediately detect faults and failures.
  • Assist and Mentor Team Members
  • Administration of Windows Server
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
  • Implemented corrective plans of action for network availability, utilization and latency.
  • Established network specifications and analyzed workflow, access, information and security requirements.
  • Mentored and trained new staff to build highly-productive group of Help Desk Engineers.
  • Provided second-level support for server-class systems.

Solvere One

Help Desk Manager
01.2013 - 01.2016

Job overview

  • Responsible for co-managing a 1600 end user,
  • Environment
  • Supported clients in the private sector as well as in the House
  • Of Representatives
  • Worked tickets using BMC Footprints, Remedy Force,
  • ConnectWise, and Auto Task
  • Securely connect to government system using Secure-Id and
  • VPN
  • Maintained Equipment inventory via Lan Sweeper and n-able
  • Monitored critical systems using Nagios (Ops View), Cacti and
  • N-able
  • Create new user accounts using Active Directory, and adding
  • User to required Groups
  • Disable and or Delete user accounts using Active Directory
  • Built, imaged and deployed workstations, Mac and Windows
  • Modify or Create internal and external DNS records
  • Assist the infrastructure team with projects
  • Responsible for metrics reporting to upper management
  • Solely responsible for the installation, development,
  • Maintenance and upkeep of client's websites and databases
  • Assisted with Administration of Hyper-V environment,
  • Built VMs from scratch, and snapshots via VSphere client
  • Created instances, schedule snapshots via AWS
  • Setup and import MySQL databases into AWS RDS
  • Create VMs via Rack Space, and other VPS providers
  • Experienced with Debian based Linux administration,
  • Installation, tuning, upgrading, patching, and troubleshooting both physical and virtual server issues
  • Experienced in running PowerShell and Bash.
  • Used ticketing systems to manage and process support actions and requests.
  • Installed, modified and repaired software and hardware to resolve technical issues.
  • Resolved escalated issues by serving as subject matter expert on wide-ranging issues.
  • Documented transactions and support interactions in system for future reference and addition to knowledge base.
  • Provided Tier 1 IT support to non-technical internal users through desk side support services.

TradeStation Securities Inc

TECHNICAL SUPPORT TEAM LEAD
01.2010 - 01.2013

Job overview

  • Provide superior level 1 and level 2 support
  • Work in a Team environment
  • Troubleshoot Windows and the TradeStation Trading platform
  • Assist clients with billing issues using Microsoft CRM 4.0
  • Handle Escalated issues
  • Maintain client records
  • Coordinate with QA and assist on escalated issues
  • Report and Submit support tickets
  • Collaborate with colleagues in different departments.

Commodity Systems Inc

SR. TECHNICAL SUPPORT REP
01.2001 - 01.2010

Job overview

  • Responsible for assisting customers with installation of
  • Proprietary stocks and commodity software
  • Responsible for building, troubleshooting, and maintaining up
  • To 10 computer systems in office at any given time
  • Efficiently and successfully navigated clients around issues via
  • The telephone, remote login or through emails
  • Maintain and Troubleshoot WAN, LAN, and VPN connections
  • Responsible for configuring routers, WiFi, NAT, and URL filtering
  • Collaborated with Co-Workers on possible problems and
  • Issues
  • Provide Tier II Support to Customer Support Dept
  • AWS
  • Create Documentation on new processes and procedures,
  • Including existing ones that weren't previously documented
  • Assist Dev Ops with Troubleshooting issues in Azure
  • Maintain Shoretel Phone system
  • Responsible for inter connectivity of all systems in AWS and in
  • Office
  • Setting up and creating new customers via AD,SQL via scripts
  • Setting up customers addons for their software, via in house
  • Executables, and windows task scheduler
  • Maintain current on premise VCenter with 3 esxi hosts
  • Completely built out a new knowledge base for IT dept
  • SYSTEM ADMINISTRATOR/HELP DESK TIER III

Education

Western Governors University
Salt Lake City, UT

B. Sc from Computer Science

University Overview

Skills

  • Windows Server 2000 - 2019
  • Windows 7
  • Windows 10 Linux (Ubuntu, Debian, RedHat, Fedora Core, CentOS) VMWare 50 t0 67
  • Hyper-V
  • ProxMox Hypervisor
  • Mac OS 86 to OS 10xx
  • Active Directory Administration
  • DNS
  • DHCP
  • GPO Creation/Management
  • Print Management
  • Microsoft SQL
  • MySQL
  • AWS Administration
  • Azure
  • SonicWall Firewall
  • PFSense Firewall
  • WatchGuard Firewall
  • Mikrotik Routers/Switches
  • IIS
  • Apache
  • Nginx Citrix Zen App Server
  • Certifications and Licenses
  • CompTIA A
  • CompTIA Network
  • Disaster Preparation
  • Data Communications
  • Network Repairs and Maintenance
  • Wide Area Network (WAN)
  • System Upgrades
  • Disaster Recovery Procedures
  • Virus Protection Software
  • Hardware and Software Monitoring
  • Critical Thinking and Analysis
  • Testing and Quality Assurance
  • Workstation Maintenance
  • Server Event Logging
  • VMware and Oracle (VM)
  • DNS Lookup
  • Performance Monitor
  • Analytical and Methodical
  • Virtual Machine Operation
  • CompTIA Security Certification
  • Hardware Updating
  • LAN and WAN Control
  • Mobile Device Management
  • IP Addressing and Subnetting
  • Train Users
  • New Technology Integration
  • Firewall Management
  • Cloud Management
  • Infrastructure Planning/Design
  • Router Installation and Optimization
  • Spam Elimination and Prevention

Timeline

Network Administrator
Fiber Fast Homes
02.2022 - 05.2023
Senior Systems Administrator
Total Business Solutions
01.2021 - 01.2022
Advanced Business Computers of America
01.2018 - 01.2021
System Administrator
L7 Solutions
01.2013 - 01.2018
Help Desk Manager
Solvere One
01.2013 - 01.2016
TECHNICAL SUPPORT TEAM LEAD
TradeStation Securities Inc
01.2010 - 01.2013
SR. TECHNICAL SUPPORT REP
Commodity Systems Inc
01.2001 - 01.2010
Western Governors University
B. Sc from Computer Science

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Sean Williams