John Harris
Cumming
Summary
Professional system engineer with proven track record in designing, implementing, and maintaining complex IT systems. Skilled in server management, network configuration, and cybersecurity measures. Strong focus on team collaboration and adaptability to evolving project requirements. Reliable problem-solver with passion for achieving optimal results.
Overview
21
21
years of professional experience
Work History
System Engineer
Opendoor
09.2019 - Current
- Moved SSO from Azure to Okta
- Implemented Proofpoint email protection for Opendoor (Google) and OSNational(O365)
- Windows 11 Upgrade for Windows 365, Azure Virtual Desktop, and laptops
System Administrator
OSNational
01.2019 - 09.2019
- Implemented SSO in Azure and 2FA for SAAS applications
- Implemented Mimecast email protection and archiving
System Administrator
Greater Atlanta Christian School
02.2017 - 01.2019
- Using VBA in Excel to simplify administrative tasks for faculty and staff
- HTML and wordpress edits in various departments webpages
- Assisted in rolling out 1500+ Macbooks to students and faculty
- Assisted in restructuring department to correct items found in an IT and security audit
Systems Administrator
Rubin Lublin, LLC
07.2013 - 02.2017
- Providing simple SQL queries to meet departments reporting needs.
- Creating VBA macros to meet departments reporting needs and automate user tasks in excel.
- Assisted in getting DR environment up and running after a server room overheating issue caused the cluster to fail.
- Assisted in moving the company from a rented space to a new building over a weekend.
- Key member in rolling out PAX access control for new office building.
Technical Support
Advanced Productivity Software
04.2013 - 06.2013
- Providing SQL queries to customers to troubleshoot problems with the product.
- Modifying XML reports to fit the customer's needs.
Systems Administrator
Wren Solutions
12.2009 - 03.2013
- Converting the phone systems from an analog system to a VoIP system.
- Converting most of the company's physical servers to virtual servers utilizing VMWare.
- Developing, implementing, and maintaining the company's cloud environment for hosting a web based application. This includes setting up and managing cloud servers, cloud storage, load balancers, backups, and maintenance windows.
- Supervising the activities of others involved in executing the daily activities involved in maintaining customer environments in the web based application.
- Tracking and maintaining SLA for hosted solutions for customers.
- Provided end user support for phones, applications, printers, etc.
Network Administrator
Park Management Group
08.2006 - 12.2009
- Responsible for improving and maintaining all 150 remote sites, as well as the Corporate Office's IT infrastructure.
- Accomplishments include:
- Responsible for monitoring and rotating backups of all data.
- Responsible for maintaining PCI compliance and internal Audit standards.
- Assisted in Transitioning from a Novell based network to an Active Directory network with a two day deadline in order to insure that operations in corporate office were not disrupted.
- Assisted in re-cabling network switches and Server room power for better efficiency and easier tracing.
- Responsible for send user desktop support.
- Responsible for setup of equipment (PCs, Firewalls) to ship out to offsite locations.
- Responsible for determining all settings are correct on equipment shipping out(IP addressing, account rights)
Help Desk
Kitchin Hospitality
07.2004 - 08.2006
- Responsible for improving and maintaining all remote sites IT infrastructure. Accomplishments include:
- Assisted in identifying deficiencies in security at remote sites.
- Successfully developed improved security without negatively impacting the daily operations of the remote sites.
- Assisted in deploying network and workstation security improvements to reduce workstation problems and protect guest data at remote locations.
- Researched and implemented trouble ticket tracking software to improve the efficiency of the Help Desk Department.
Education
Associates of Science - Networking and Communications
Pellissippi State Community College
Knoxville, TN01.2004
Skills
- Microsoft- Azure, O365, Active Directory
- Google Workspace
- Okta
- IT security and compliance, DRBC
- Vonage, Ring Central VOIP software
- Ninja One
- Firewalls/Routers- Meraki, Fortinet Fortigates
- Scripting- Power Shell, Batch files, VBA (Excel)
- Mimecast
- Proofpoint
- Apple IOS, OSX
- JAMF
- Laptop imaging and rollout
- Access Control
Websites
Timeline
System Engineer
Opendoor
09.2019 - Current
System Administrator
OSNational
01.2019 - 09.2019
System Administrator
Greater Atlanta Christian School
02.2017 - 01.2019
Systems Administrator
Rubin Lublin, LLC
07.2013 - 02.2017
Technical Support
Advanced Productivity Software
04.2013 - 06.2013
Systems Administrator
Wren Solutions
12.2009 - 03.2013
Network Administrator
Park Management Group
08.2006 - 12.2009
Help Desk
Kitchin Hospitality
07.2004 - 08.2006
Associates of Science - Networking and Communications
Pellissippi State Community College
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