Brandon Callendar

Microsoft Exchange Architect at Meridian Health
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Contact Information
us****@****om
(386) 825-5501
Location
US

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5.0

/5.0
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Dan Westness

Brandon was brought into our company as an expert in Microsoft Exchange, Lync and Server Administration for the purpose of initially migrating our enterprise email from a hosted third party solution to an in-house solution. Along with performing the corporate wide migration he also rolled out Lync as a corporate standard of communication. He has performed all tasks assigned with ease as his knowledge of these systems is seemingly endless and his capacity to learn and adapt to a changing environment is extraordinary. Brandon has proved his ability to work independently as well as in a team environment. He has been a huge asset to our company and would be in any position he selects throughout his career. It has been a pleasure to work along side Brandon.

LinkedIn User

Brandon has excellent technical skills and can shows a passion for the industry. He is a follower of best practice policies and standardization procedures. Expert level knowledge in various Microsoft skill sets.

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Experience

    • United States
    • Hospitals and Health Care
    • 700 & Above Employee
    • Microsoft Exchange Architect
      • May 2017 - Present

      Engineering and Design and Exchange 2013/Lync Define best practices and configurations Resolve Exchange Server performance and system down issues. Provide Guidance for security best practices. Develop and execute plans for monitoring messaging systems  Develop and execute test and implementation plans. Engineering and Design and Exchange 2013/Lync Define best practices and configurations Resolve Exchange Server performance and system down issues. Provide Guidance for security best practices. Develop and execute plans for monitoring messaging systems  Develop and execute test and implementation plans.

    • Business Consulting and Services
    • 1 - 100 Employee
    • Unified Communications Engineer
      • Dec 2014 - Present

      Lync/UC Engineer consulting for Mid Market to Enterprise size clients. Lync/UC Engineer consulting for Mid Market to Enterprise size clients.

    • United States
    • Financial Services
    • 700 & Above Employee
    • Messaging Systems Engineer IV
      • Mar 2016 - May 2017

      Responsible for Engineering and Design for multiple Exchange/Lync environments within the enterprise. Responsible for Engineering and Design for multiple Exchange/Lync environments within the enterprise.

    • United States
    • Wellness and Fitness Services
    • 700 & Above Employee
    • Exchange/Lync/Systems Administrator
      • Apr 2013 - Dec 2014

      Sole Exchange Administrator for 800 Mailbox Environment. Designed and Implemented Exchange 2010 Environment including Multi Site DAG, ProofPoint Email Security Gateways, Failover Site, UAG Reverse Proxy Servers, BES Servers and Kemp Load Balancers. Completed Migration from hosted to on-site Exchange Day to Day Administration of Lync and Exchange Deployed and Managed System Center 2012 SCOM and DPM PowerShell Scripting for items such as periodic Exchange Item Configuration checks, Mailbox Configuration Quality Control, Service Checks, DAG Configuration Checks, Automation Mailbox Item Counts, etc. Assist Server Administration Team with VMWare Environment Shared Storage Performance Monitoring Configurations and Advanced Windows Performance Monitoring and SQL Cluster design. Took part in DMZ for data center location Designed and Deployed Lync environment including redundant Front End, SQL, ARR Reverse Proxy and Edge Servers. Perform mail flow troubleshooting. Routinely perform advanced troubleshooting using such tools as network captures and trace capture, mail flow issues and Created Detailed Server Build and Configuration Processes so that all servers are standardized and repeatable and configurations are well documented. On call for Exchange/Lync issues

    • Hosting Systems Administrator II
      • Jul 2012 - Mar 2013

      Design, deploy and administer dedicated and multi-tenant hosted server solutions based on VMWare and using Windows 2008R2, Windows 2012, Citrix Cloud Portal, Citrix XenApp and Exchange 2010. Design, deploy and administer dedicated and multi-tenant hosted server solutions based on VMWare and using Windows 2008R2, Windows 2012, Citrix Cloud Portal, Citrix XenApp and Exchange 2010.

    • Server and Network Support Technician
      • May 2012 - Jul 2012

      Windows Server Administration Manage Service Desk / On Site Support staff Managed and implemented server and domain migrations Support and monitor over 200 Windows servers in Data Center and Remote Offices Develop Support Documentation and KB Windows Server Administration Manage Service Desk / On Site Support staff Managed and implemented server and domain migrations Support and monitor over 200 Windows servers in Data Center and Remote Offices Develop Support Documentation and KB

    • United States
    • Staffing and Recruiting
    • 200 - 300 Employee
    • Network/Server Support
      • Apr 2007 - Jul 2010

      Support and management for Windows 2003/2008 in all roles. LAN/WAN, VPN Networking support Setup and administration of client/server security. ISA Firewall and DD -WRT Support and setup Support and management for Windows 2003/2008 in all roles. LAN/WAN, VPN Networking support Setup and administration of client/server security. ISA Firewall and DD -WRT Support and setup

    • United States
    • Software Development
    • 700 & Above Employee
    • Technical Support Product Lead
      • Feb 2001 - Apr 2006

      Provided 2nd level telephone / help desk support to end users for server side products Provided 2nd level support for automated software testing suite: QA Center Handled escalations from 1st level support reps, from management, from international support offices and from sales team and sales support teams. Provided end user training Interfaced with Development Teams, Product and Upper Management to provide and set expectations and manage priorities for both them and our corporate customers. Created online documentation for products for both customers and support. Assisted Tech Com Team with creating Help files Supported environments including Windows NT4.0/2000/2003 Server, XP and IIS 5/6

Community

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