Sean Ellis
Westminster,Maryland
Summary
Seeking a challenging role as a Cybersecurity Specialist to utilize and enhance my technical expertise in IT security analysis and cyber defense.
Overview
24
24
years of professional experience
1
1
Certification
Work History
Systems Administrator
University of Maryland, Baltimore
Baltimore, United States
07.2017 - Current
- Perform OS administration, development, maintenance, and upgrades for the School of Dentistry
- Ensure security and integrity of operating systems, manage Tripwire, AppLocker, Varonis, and Nessus
- Manage Palo Alto Firewall, ensure compliance for PCI, HIPAA, and SOX
- Provide technical support, document procedures, and protocols.
Systems Administrator
McDaniel College
Westminster, United States
02.2008 - 07.2017
- Administered over 100 physical and virtual servers, implemented host-based firewalls
- Set up and managed Microsoft SCCM 2012, designed security policies
- Provided desktop support for 400+ users, managed Office 365 and Exchange 2013
- Maintained VMware vSphere infrastructure, managed backups and restores.
IT Support Technician
Towson University
Towson, United States
07.2000 - 02.2008
- Provided desktop support for 4000+ staff and faculty, deployed Windows system images
- Managed and supported custom software, researched and removed virus attacks
- Provided technical support to faculty and staff, worked with Remedy ticketing system.
Education
BS Degree (In Progress) in Networks and CyberSecurity -
University of Maryland, Global Campus
05-2024
A.A.S. Degree in Computer Information Systems -
Carroll Community College
01.2005
Skills
- Windows Server 2003/2008/2008-R2/2012-R2/2016
- Azure Active Directory
- Red Hat Enterprise
- CentOS
- Ubuntu Linux
- MAC OS X Server
- TCP/IP
- DNS
- DHCP
- VPN
- VLANs
- Routing and Switching
- Cisco IOS
- Microsoft SCCM 2016
- WISE Install Studio
- Install Shield
- PowerShell
- Bash
- Tripwire
- Nessus
- AppLocker
- LogRhythm SIEM
- Palo Alto Firewall
- Varonis
- Extensive experience in desktop support, server administration, and network security compliance
- Proficient in software packaging, automation scripting, and deployment methodologies
- Skilled in designing and managing Active Directory environments
- Experienced in desktop/server virtualization and cloud-based infrastructure management
- Effective communicator with customers, vendors, and all levels of management
- Network Security Management
Certification
- CompTia Security+
- CompTia Network+
- Cisco CCNA
Timeline
Systems Administrator
University of Maryland, Baltimore
07.2017 - Current
Systems Administrator
McDaniel College
02.2008 - 07.2017
IT Support Technician
Towson University
07.2000 - 02.2008
BS Degree (In Progress) in Networks and CyberSecurity -
University of Maryland, Global Campus
A.A.S. Degree in Computer Information Systems -
Carroll Community College
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