Justin Robison
El Dorado,AR
Summary
Experienced with managing and maintaining IT infrastructure, including servers and networks. Utilizes advanced troubleshooting skills to resolve technical issues efficiently. Knowledge of optimizing system performance, ensuring high reliability and uptime.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Systems Administrator
South Arkansas Regional Hospital
El Dorado, AR
11.2024 - Current
- Manage and administer Quest Active Roles Server (ARS)
- Provide support and configuration of applications in a healthcare environment with a diverse application portfolio
- Provide support to end users for devices and software
- Configure/maintain Microsoft environment including Azure, 365, Exchange, Group Policy, etc.
- Assist user in setup/reset of two-factor authentication through Azure AD.
- Configure/maintain One Identity Active Roles instance for automatic provisioning/deprovisioning of users based on employment status.
- Configure/maintain VMWare/Citrix environment to support virtual servers/applications including IIS services for applications.
- Monitor system performance, troubleshoot issues, and provide end-user support.
- Monitoring and remediation of endpoint security.
- Document incidents and change requests in ServiceNow.
- Attend conference calls when needed to implement or support applications
- Make recommendations for hardware and software enhancements, purchases, and upgrades to the Director of IT.
Night Computer Operator
First Financial Bank
El Dorado, AR
07.2024 - 11.2024
- Process daily bank transactions on AS400 computer each night
- Assist in PC/Printer and related software and equipment servicing and support
- Remediate vulnerabilities identified by Tenable Nessus
- Automate vulnerability remediation through PowerShell scripts where applicable
- Confirm and/or verify batch totals for all of the day processing
- Start/stop necessary AS400 subsystems at the appropriate time
- Execute and update checklist to update master files
- Print nightly reports, checks, statements, and special forms
Onsite IT Support (Contract)
PTS Advance
El Dorado, AR
10.2023 - 05.2024
- Contract position for Delek US Holdings
- Responsible for site inventory management (maintain stock, image new machines, collect machines upon employee release, etc.) and end user support
- Manage user access to computer systems through on-prem AD, Azure AD, and Group Policy.
- Assisted users with two-factor authentication setup/resets through Azure.
- Grant user licenses to various applications through ServiceNow workflows
- Image machines via Intune and AutoPilot.
OTI Network Support Administrator
Roseburg Forest Products
El Dorado, AR
12.2021 - 06.2023
- Maintained and troubleshot site operations technology infrastructure, including virtual/physical servers, networking equipment, Programmable Logic Controllers (PLCs), Human Machine Interfaces (HMIs), and other control system components such as Supervisory Control and Data Acquisition (SCADA) servers
- Provided technical support for end users with manufacturing PCs
- Manage user access to computer systems for two domains using on-prem AD and Azure AD, and Group Policy.
- Developed and maintained documentation for MDF shutdown/startup
- Migrated network equipment from old network to new network with minimal downtime to isolate management traffic
- Worked with engineering to escalate network issues as necessary
- Assisted with rack/stack and initial configuration of Palo Alto firewalls
- Configured and maintained iSCI storage on HP Nimble and Pure Storage arrays
- Maintained network access using Cisco ISE
- Active threat management using ESET Protect
- Oversaw onsite network upgrade projects (receiving inventory, coordinating with contractors, verifying contractor work was completed/satisfactory, installing network devices)
- Build new ESXi clusters by migrating from Dell hypervisor to Cisco UCS hypervisor and configure high availability
- Overhaul physical network for above hypervisor upgrade moving from ethernet uplinks from server to single mode fiber
- Helped rack and stack, network, and configure network equipment (switches, firewalls, servers, UPS backups, etc.)
- Maintained accurate backups of VMware servers using VEEAM.
Level 2 Desk Side Support Engineer (Contract)
Infosys
El Dorado, AR
10.2020 - 12.2021
- Supported three sites for Lanxess Solutions with approximately 450 users
- Manage user access to computer systems using on-prem AD and Group Policy.
- Assisted users with two-factor setup/reset using Azure.
- Tracked and assigned assets for all plants in ServiceNow Configuration Management Database (CMDB)
- Responsible for all break/fix tickets and general tickets that the remote team could not resolve
- Supported various models of Dell Optiplex desktops and Latitude laptops
- Successfully lead migration from Windows 7 to Windows 10
- Image new devices using Microsoft Deployment Toolkit (MDT) via USB
Sr. Desktop Support Specialist (Contract)
Acara Solutions
Camden, AR
10.2019 - 07.2020
- Contract position for Lockheed Martin Missiles and Fire Control
- Supported Windows 10 devices and associated peripherals such as printers, keyboard, mouse, and barcode scanners
- White glove desk installation for new users
- White glove support for executives
- Performed bi-weekly inventory in order to maintain an adequate level of PCs/laptops for break/fix tickets as well as peripherals for new installs.
- Imaged new computers, assigned asset tag, and added into inventory as 'Unassigned'
- Scanned computers that came in for break/fix tickets as 'In Shop' in order to maintain an high level of trackability of each asset
- Scanned computers that could not be fixed or were out of warranty as 'Decommissioned'. Ran a monthly report for decommissioned machines and then deleted machines out of inventory after they were picked up by E-Waste vendor.
Windows 10 Migration Specialist (Contract)
Leidos
Russellville, AR
06.2019 - 10.2019
- Contract position for Entergy Arkansas/Mississippi
- Obtained DoD Secret clearance
- Replaced Dell PCs running Windows 7 with Lenovo ThinkCenter/Thinkpad depending on user preference/job role
- Backup user data using Microsoft User State Migration Tool (USMT)
- Wiped existing Lenovo workstations deployed with Windows 7 and loaded Windows 10.
Cybersecurity Technical Specialist
Criminal Justice Institute (U of A)
Little Rock, AR
05.2018 - 06.2019
- Designed and maintained mobile cybersecurity training labs using sandboxed malware
- Exploited vulnerable Windows 7 machines using Kali Linux and Metasploit frameworks
- Traveled nationwide to assist in the delivery of cybersecurity classes
- All student machines were behind a strict firewall with no internet access in order to minimize risk for the current site.
PC Technician
Cossatot Community College (U of A)
De Queen, AR
05.2017 - 05.2018
- Diagnose computer hardware and software issues
- Maintained user access to computer systems using on-prem AD
- Diagnose printer/copier issues
- End user support using Bomgar Remote Support
- Image/reimage computers
Education
Bachelor of Science - Workforce Technology
Arkansas Tech University
Russellville12-2018
Associate of Applied Science - Information Technology
South Arkansas Community College
El Dorado, AR08-2016
Skills
- Windows Server OS
- Active Directory
- Group Policy Management
- VMware vSphere / Horizon
- Microsoft 365 (Office 365)
- Intune & Autopilot
- Veeam Backup & Replication
- Cisco Network Equipment
- Palo Alto Firewalls
- Splunk SIEM
Certification
- Microsoft Technology Associate (MTA) - Windows Operating System Fundamentals
- Microsoft Technology Associate (MTA) - Networking Fundamentals
- TestOut PC Pro
- TestOut Server Pro: Install and Configure
- TestOut Server Pro: Manage and Administer
- TestOut Server Pro: Advanced Services
- CompTia Security+
Timeline
Systems Administrator
South Arkansas Regional Hospital
11.2024 - Current
Night Computer Operator
First Financial Bank
07.2024 - 11.2024
Onsite IT Support (Contract)
PTS Advance
10.2023 - 05.2024
OTI Network Support Administrator
Roseburg Forest Products
12.2021 - 06.2023
Level 2 Desk Side Support Engineer (Contract)
Infosys
10.2020 - 12.2021
Sr. Desktop Support Specialist (Contract)
Acara Solutions
10.2019 - 07.2020
Windows 10 Migration Specialist (Contract)
Leidos
06.2019 - 10.2019
Cybersecurity Technical Specialist
Criminal Justice Institute (U of A)
05.2018 - 06.2019
PC Technician
Cossatot Community College (U of A)
05.2017 - 05.2018
Bachelor of Science - Workforce Technology
Arkansas Tech University
Associate of Applied Science - Information Technology
South Arkansas Community College