Windows Server Active Directory

SEAN G. HANSON

Cell: 402-***-**** Omaha Metro Area ****.******.*@*****.*** LinkedIn

WINDOWS/CITRIX/VMWARE ADMINISTRATOR/ENGINEER

Proven Success in Systems Optimization and Strategic IT Solutions 30+ years of experience managing and refining server infrastructures and data-center operations across Windows and VMWare environments. High competency in deploying, managing, and troubleshooting Windows Server (all versions), Cloud, Networking, and VMWare platforms to ensure high availability and performance. Driven and skilled in providing solutions driving business growth and operational efficiency.

SKILLS

Windows Administration Years of Experience Expertise

• Windows Server (2003-2019) 23 Advanced

• Windows 10/11 34 Advanced

• Active Directory 23 Intermediate-Advanced

• Exchange Server (2010 & Office 365) 20 Advanced

• PowerShell/Batch Scripting 23 Intermediate-Advanced

• SCCM 7 Intermediate-Advanced

• Group Policy Management 1 Intermediate-Advanced

• Zander Client Center 8 Advanced

VMWare Administration Years of Experience Expertise

• VMWare vSphere 12 Advanced

• vCenter 12 Advanced

• ESXi 12 Advanced

• P2V Conversions 1 Advanced

• VDI Management 12 Advanced

• Citrix XenServer 12 Advanced

• Virtual Apps 12 Advanced

Networking & Security Years of Experience Expertise

• LAN Administration 9 Intermediate-Advanced

• WAN Administration 9 Intermediate-Advanced

• DNS 18 Intermediate-Advanced

• DHCP 18 Intermediate-Advanced

• VPN 11 Intermediate-Advanced

• Compliance (HIPAA, PCI, SOX) 23 Intermediate-Advanced

Monitoring & Backup Tools Years of Experience Expertise

• SolarWinds 2 Intermediate-Advanced

• BMC Patrol/T-Mart 8 Advanced

• EMC Avamar 2 Intermediate-Advanced

• Cohesity 1 Intermediate

• Netbackup 3 Intermediate-Advanced

• SysTrack 3 Advanced

Ticketing Systems Years of Experience Expertise

• Jira Service Management 7 Intermediate

• BMC Remedy 11 Advanced

• ServceNow 1 Intermediate

PROFESSIONAL EXPERIENCE

Mutual of Omaha, Omaha, NE

Windows and VMWare Engineer II Jan 2018 – Jul 2024

• Created, managed, and deployed 3,500 Virtual Desktops, and ensured their Citrix connectivity to the Mutual of Omaha network.

• Managed the performance, security, and connectivity of 5,900 Windows 10/11 endpoints, ensuring stable network connectivity and endpoint stability.

• Managed the creation of Windows 10/11 Virtual Desktop, ensuring the proper resource optimization, speed of creation, and reliability.

• Administered Active Directory for both Virtual Desktops and remote endpoints, ensuring proper security, compliance, and connectivity.

• Developed and automated critical PowerShell scripts, reducing time of completion, standardizing efforts, and reducing manual Service Desk and Desktop technician tasks.

• Updated software and patches using SCCM/Client Center to maintain 100% compliance for endpoints.

First National Technology Systems (Managed Service Provider), Omaha, NE Windows and VMWare Systems Engineer 1 Jun 2016 – Nov 2017

• Managed the IT infrastructure for 35 clients within a multi-tenant environment, responsible for over 600 Windows 2003–2016 virtual servers.

• Managed the backup and restoration for 1,000 Windows and UNIX systems using EMC’s Avamar and Symantec’s NetBackup to ensure data integrity and disaster recovery preparedness.

• Created and deployed Windows servers for both client and internal operations, meeting optimization and security compliance.

• Proactively monitored and optimized the health of 600+ Windows servers using SolarWinds to prevent downtime and addressing issues.

• Administered 35 clients’ Active Directory, DNS, and Exchange 2010 through Office 365.

Senior Systems/Network Administrator May 2007 – May 2016

• Managed the global infrastructure of over 7,000 physical and virtual Windows (2001-2012) servers; user, group, and computer accounts within Active Directory; File Shares; DNS and wireless access points.

• Provided technical support, diagnostics, and communications to the user level and enterprise users.

• Appointed as Senior MS Exchange and Windows Systems Administrator with the responsibility of training cross-functional teams.

• Administered complex Exchange 2007 through Office 365 mailboxes, Distribution lists, and Public Folders.

• Reduced spam by 99%, using Cisco Ironport, bolstering email security across the enterprise.

• Converted numerous P2V servers, adding to our VMWare virtual environment and reducing physical server footprint.

Helpdesk and Desktop Support Oct 2001 – May 2007

• Served multiple roles with my service to the United States Air Force.

• Delivered critical support during Temporary Duty (TDY) in Saudi Arabia for Operation Southern Watch, overseeing secure communication systems, ensuring compliance with military standards, and received the Armed Forces Expeditionary Medal for my efforts.

• Trusted with a Top Secret SSBI clearance to manage secure and non-secure Windows Servers and Exchange Servers, safeguard classified materials, and conduct security compliance inspections for Communication Security (COMSEC).

United States Air Force

Computer Systems Administrator May 1989 – Mar 2000

• Served multiple roles with my service to the United States Air Force.

• Delivered critical support during Temporary Duty (TDY) in Saudi Arabia for Operation Southern Watch, overseeing secure communication systems, ensuring compliance with military standards, and received the Armed Forces Expeditionary Medal for my efforts.

• Trusted with a Top Secret SSBI clearance to manage secure and non-secure Windows Servers and Exchange Servers, safeguard classified materials, and conduct security compliance inspections for Communication Security (COMSEC).

EDUCATION & TRAINING

VMWare Hosting, ONLC Training, 2015

Microsoft Exchange Systems Administration, ONLC Training, 2015

Computer Systems Admin, United States Air Force Technical School, 1989-2000

Unix Security System Admin, UniteD States Air Force Technical School, 1995

REFERENCES

Andy Dix Senior Desktop Technician ********@*****.*** 402-***-****

Chad Osborne Senior Service Desk Analyst *******@*****.*** 573-***-****

Eric Bruner Manager *********@*****.*** 402-***-****

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