Sean Phillips
Conroe,TX
Summary
Network and systems administrator supporting secure, reliable infrastructure for multi-site healthcare and business environments. Brings hands-on experience with Cisco Meraki, Palo Alto, Office 365, Active Directory, VPN tunnels, and server administration to support users, protect data, and maintain uptime.
Overview
12
12
years of professional experience
Work History
Network/Systems Administrator
First I.T. Solutions
03.2026 - Current
- Support end-user devices, including laptops, desktops, tablets, and cell phones.
- Administer Office 365 by creating user accounts, assigning licenses, and setting up MFA.
- Assist with Active Directory tasks, including user accounts, permissions, and Group Policy.
- Manage firewall settings, including policy changes, rule updates, and VPN tunnel support.
- Support server administration across Hyper-V, VMware, and Datto environments.
- Use Autotask for ticket tracking and service request updates.
- Provide remote support and automation tasks through NinjaOne.
Network Administrator
Muscogee Nation: Department of Health
06.2021 - 08.2025
- Oversaw network administration for three hospitals and seven clinics, ensuring reliable connectivity and security
- Administered firewalls (Cisco Meraki hub and spoke, Palo Alto) to secure vendor VPN tunnels and protect sensitive data
- Installed, maintained, and monitored network firewalls and switches to enhance network performance and security
- Utilized Cisco Meraki dashboard to manage network changes and monitor alerts
- Implement separate VLANs for all sites and networks
- Administer Cisco Call Manager (CUCM) and WebEx Calling
- Administer Cisco Unity Voicemail Server
Systems Administrator
Springpoint Technologies
09.2019 - 06.2021
- Administrator for Office 365, Active Directory, and firewalls (Cisco Meraki, Dell SonicWall)
- Utilize ConnectWise Manage, Control, and Automate for remote support
- Assessed and prioritized trouble tickets for efficient resolution received via email or phone call for prompt resolution
- Supported desktops, servers, and firewalls for diverse client base
- Provided onsite setup and installation of new workstations and printers
Associate
Stinnett & Associates
10.2018 - 08.2019
- Developed Advanced Request Lists and evaluated evidence for cybersecurity compliance.
- Compiled analytical reports to identify effective and ineffective cybersecurity practices.
- Facilitated onsite meetings with clients to assess and enhance cybersecurity practices.
- Created workpapers (Excel & Adobe) to support the collected evidence.
- Conducted testing for interim and year-end (FY)
Client Technical Specialist
Netlink Solutions
08.2017 - 09.2018
- Office 365 administrator for 25+ clients
- Set up and enabled two-factor authentication in Office 365 to enhance client security
- Configured secure VPN access for remote users through Sophos firewall
- Utilized ConnectWise, Lab Tech, and ScreenConnect to resolve support issues efficiently
- Direct client support via phone calls and email
- Supported end user and all devices (laptop, desktop, cell phone and/or tablet)
- Performed regular server maintenance and upgrades to ensure optimal performance
Tier II Technician
Integrated Business Technologies
02.2016 - 06.2017
- Installed, maintained, and upgraded servers to ensure optimal performance and reliability
- Active Directory, DNS, DHCP and GPO
- Administered SonicWall firewall to secure network traffic and protect against unauthorized access
- Provided backup solutions with StorageCraft and ShadowProtect to safeguard critical data
- Generate monthly network security reports using Network Detective
- Supervise Help Desk technicians
Helpdesk Technician
Integrated Business Technologies
02.2015 - 02.2016
- Provided direct support to clients by addressing their inquiries and concerns.
- Resolved trouble tickets using Connect Wise
- Created Office 365 accounts for users to ensure email and collaboration tools were accessible.
- Configured remote access on Dell SonicWall firewalls, enabling secure connectivity for users. on Dell SonicWall firewalls
- Accessed servers for user account and permission setup, ensuring proper access controls. to set up user accounts and permissions
- Cleaned up workstations to enhance performance and usability for improved user experience. for maximum performance
Education
Bachelor of Science - Cybersecurity
ITT Technical Institute
Tulsa, Oklahoma04-2016
Skills
- Network administration
- Firewall management
- Active Directory
- Office 365 administration
- Server management
- Server virtualization
- Network monitoring
- Network troubleshooting
- Network protocols
- Wireless networking
- Incident resolution
- Ticket management
- Remote support
- Operating systems
- Attention to detail
- Customer service
Additional Experience and Education
- United States Army
- Signal Systems Support Specialist | September 2004 October 2012
Timeline
Network/Systems Administrator
First I.T. Solutions
03.2026 - Current
Network Administrator
Muscogee Nation: Department of Health
06.2021 - 08.2025
Systems Administrator
Springpoint Technologies
09.2019 - 06.2021
Associate
Stinnett & Associates
10.2018 - 08.2019
Client Technical Specialist
Netlink Solutions
08.2017 - 09.2018
Tier II Technician
Integrated Business Technologies
02.2016 - 06.2017
Helpdesk Technician
Integrated Business Technologies
02.2015 - 02.2016
Bachelor of Science - Cybersecurity
ITT Technical Institute