Network and Systems Administrator

Sean Flanagan

219-***-**** • ********@*****.***

CAREER SUMMARY

IT Professional focused on network administration with 5 years experience in server and network installation and maintenance and in technical and desktop support in enterprise environments.

MIT degree in Information Technology

Administered Windows servers with 2003 through 2012R2 operating systems, including Microsoft Exchange and Microsoft Lync servers.

Administered Active Directory environments for five years.

Managed workstations for four years, including Windows XP, 7, 8.1, and 10.

Worked multiple vendors for hardware and software support.

Administered a VMware virtual environment for four years.

Managed DNS and DHCP servers for four years.

PROFESSIONAL EXPERIENCE

Independent Consultant, Akyzen, Inc., Chicago, IL March, 2016 – present

Installed NetGear NAS device and configured

Installed remote management software on client servers

Installed MaxBackup management software on client servers and configured backup schedule and content

Created an Azure virtual server and site-o-site VPN connection to client on-premise domain, promoted the virtual server to an Active Directory Domain Controller on the domain

Systems Engineer, Think Tank NTG, Merrillville, IN April, 2015 – Feb., 2016

Planned and executed a Domain Controller migration from a Windows SBS 2008 server to a Windows 2012R2 server on a Hyper-V host, including the transfer of all FSMO roles and the demotion and shutdown of the SBS server.

Planned and executed the replacement of an obsolete firewall, maintaining all rules and access

Worked with Citrix support to finalize integration of Citrix CloudBridge virtual appliance into a XenDesktop environment.

Assisted in the configuration and installation of a new doctor’s office computer network, including router, switch, KVM, and desktop computers

Set up and configured an LDAP server and connected to client’s wireless network authentication.

Worked with NOC technicians to provide level 3 support to clients, reviewing each case with the technician when completed.

Manager, Information Technology, rEvolution, Chicago, IL June, 2011 – Mar., 2015

Administered Active Directory, including creating, changing, disabling, and deleting users (approximately 50 users); creating distribution and security groups and modifying their membership; and editing access rights for users and groups.

Worked with Cisco support to solve network outage caused by a network loop on a desktop switch.

Used ticket tracking software to assist in ongoing helpdesk troubleshooting, helped convert ticketing to a Sharepoint list for more cost effective monitoring of tickets.

Composed knowledge base articles for users and IT personnel.

Administered Windows servers with 2003 through 2012R2 operating systems, both physical and virtual. This includes installation, updates, third-party software installation, hardware upgrades, and domain controller transfers.

Administered user desktops and laptops running Windows XP and 7 and Mac OS X, working with Dell support on several occasions to set up on-site repairs, some replacements. Received laptops, desktops, and phones in office environment, recorded serial numbers or service numbers, ensured equipment was up to date, added third-party software, and recorded which user it was assigned to. Tracked warranty status for end user equipment as well. Managed "lending library" of tablets and mobile projectors.

Field Service Specialist II, Dish Network, LLC, Merrillville, IN Oct., 2008 – May, 2011

Designed and performed satellite television system installations.

Troubleshoot and repair systems.

EDUCATION

Master of Information Technology 2010

American InterContinental University Hoffman Estates, IL

GPA: 3.83/4.00

Associate of Applied Science in Networking 2001

Southeast Community College Lincoln, NE

GPA: 3.75/4.00

Bachelor of Arts in Classics 1999

University of Nebraska Lincoln, NE

GPA: 3.60/4.00

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