Ryan Custer Email & Phone Number

Menomonee Falls, Wisconsin, United States

Menomonee Falls, Wisconsin, United States

United States

Menomonee Falls, Wi

Managed IT portion for global rollout of quality management software. Traveled to various US and China manufacturing facilities to build and support the software.Administered over 700 virtual servers in VMware vSphere 6.0 environment.Maintained and installed various models of Cisco UCS servers.Assisted with maintenance and tuning of Cisco Prime Infrastructure.Planned and executed domain controller migrations from 2008 R2 to 2012 R2 in a 20 domain controller environment.Administered OpenDNS system and updated for domain controller/DNS migrations.Maintained and administered Cisco IronPort SPAM filtering system.Managed Office 365 and on-site Exchange hybrid environment with 2,000+ active users.Administered Microsoft SCCM and SCOM systems containing 6,000+ devices.

Germantown, Wi

Built, configured and maintained client VMware systems on versions ranging from 4.0 to 6.0.Maintained VMware vSAN on vSphere 5.5 infrastructure.Administered every aspect of clients Windows Server 2003 – 2012 R2 environments.Mentored junior level consultants on projects and day to day activities.Managed every facet of client’s IT projects and initiatives.Installed and supported customer firewall solutions from Cisco, Sophos, Fortinet and SonicWALL.Installed and maintaned customers Cisco and Ubiquiti wireless infrastructures.Performed numerous email migrations from customers on premise systems to Office 365.

New Berlin, Wi

• Worked with clients to assess network deficiencies, provide detailed plans to remedy them and then managed the projects through to completion.• Built multiple Windows 2012 Hyper-V and VMware vSphere high availability clusters.• Performed multiple Windows Active Directory installs, upgrades and migrations to the latest Windows Server operating systems.• Installed and provisioned multiple storage area networks for clients.• Completed multiple network infrastructure replacement projects including Cisco Catalyst switches and ASA firewalls at a diverse group of companies.• Supported ongoing engagements with key clients to maintain and enhance their systems and network infrastructure.• Responded to multiple client system emergencies and provided fast, effective issue resolution.• Completed various Exchange migrations spanning versions from 2003 – 2010.

• Completed the initial implementation of a VMware vSphere infrastructure and provided ongoing maintenance and upgrades. • Upgraded a Cisco Unified Call Manager (UCM), Call Center Express (UCCX), Unity Connection, and Workforce Optimization (WFO) infrastructure from a non-high availability physical infrastructure to a high availability multi-host virtual infrastructure. • Implemented and maintained Microsoft Lync 2010 meeting and messaging functions.• Reconfigured a Cisco network infrastructure from a flat network to a multiple VLAN network. • Installed, upgraded, configured, and maintained a Cisco wireless network infrastructure including Wireless Controllers and Wireless Control System (WCS).• Cisco ASA Firewall & Barracuda Web Application Firewall configuration & maintenance.• Successfully migrated a Microsoft Exchange infrastructure from 2007 to 2010.• Network Security administration of a Payment Card Industry (PCI) compliant network.• NetApp and HP SAN administration.

Resolved high level support issues while mentoring and assisting other support analysts.