Mark Walmsley Email & Phone Number

Lawrenceburg, Tn, Us

New York City, New York, Us

• Assist with Global Migrations of over 350K users for Skype for business, that include SQL, DFS, DNS, Windows Server, Firewalls Load Balancers • On-Premises Skype for Business to Cloud Hosted, Microsoft Teams migration• Level 3 Help desk support to identify and rectify issues with their Teams deployments.• Upgrade servers to latest version of Red Hat and Windows server.• Assisted in On-Premises SharePoint migration to SharePoint online using Sharegate and Quest on demand Migration. • DevOps: Helping developers meet requirements for programing Informatica and patching/upgrading all servers and Informatica instances. Red Hat Linux based.• DevOps: Code review project to find bottlenecks in C# code for a European country’s property tax system.• DevOps: Reviewing and replacing 20-year-old bash scripts with more modern coding and revision control by installing GitHub. Collaborate with 25+ departments to test. troubleshoot and improve script reliability and address security concerns I found. • DevOps: Finding issues with CPU usage and IOPS in databases such as MySQL, PostgreSQL.• Automated monitoring using customized scripting to monitor Zscaler and Docker based applications

Armonk, New York, Ny, Us

• Identity management, AD support. Responsible for a C# program that automates the provisioning of over 350K user accounts and common area phones in Skype for business that works in tandem with Oracle Identity Manager and Microsoft Identity Manger.• Responsible for day to day supporting global operations of Skype for business for a large fortune 500 company.• Assisted in multiple upgrades from Lync 2010,2013 to skype for business on prem and off prem.• Assisted in multiple upgrades from windows server 2003,2008,2012 to windows server 2016• PowerShell for automation of tasks and data retrieval, Identity Management• Automated monitoring using customized scripting and SCOM.• Installing and supporting Windows 2008-2016 server environments

Dallas, Tx, Us

• Implemented and Designed email solutions for Fortune 500 companies and state governments.• Lead migration engineer for multiple large-scale projects. Developed multiple tools for reporting progress of migration and identifying problem mailboxes before the project started. • Lead engineer on multiple large-scale Exchange 2010, 2007, BES, Enterprise Vault, IMSS and Sun Communication Suite roll outs.• Setup Quest migration for Exchange console, agents, and DSA. Perform numerous Quest email migrations using Quest Migration Manager Version 8.X totaling over 50,000 mailboxes.• Resolve Quest DSA issues daily to resolve un-synced accounts and mailboxes in Source and Target paired environments.• Perform MX cutovers as necessary to facilitate Internet mail redirection for new clients.• Integrate new clients with Symantec Archive-L archiving cloud.• Perform training sessions for clients where necessary to deliver demonstrations for clients’ in-house IT shops.• Work with numerous client IT teams to setup and configure AD trusts necessary in Resource Forest Exchange models.• Work with Operations group to optimize Exchange servers so that customers may have an improved Outlook experience.• Alter Exchange design where necessary to suit the customer’s changing needs.• Work and resolve issues for clients in support of the Operations Team in India.• Worked with a team of Leads and other Migration/Implementation engineers to develop and revise changes to our current policies.• Writing monitoring scripts for ILA monitoring, Tivoli and SCOM.• Working with Solaris zones and Docker Containers

I am in charge of maintaining Genesee Counties largest real estate website ChangingStreets.com. We have over 2,000 visitors a day. I maintain the email servers Qmail, Sendmail, Sun Java Messenger. DNS Servers tinydns, binddns. Solaris / Linux apache, Sun Java System web servers. Windows IIS web server and firewalls. For our internal office I manage Hylafax, Samba server, Sun Java System Directory Server LDAP, along with maintenance on all computers, servers, printers and phone systems. I developed ChangingStreets.com using ASP, VB and SQL Server. In that time we have become the 5th largest Real Estate Company in our board.

I was in charge of maintaining the local Intranet server and external web servers. Developed web based applications using SQL Server and asp. From time to time I was asked to lead teams for bank conversions across the Mid-West. At the age of 27 I was the youngest Bank Officer in Citizens Bank history at the time.

Spent countless hours maintaining computers, laptops, printers and anything else I was told to service. Received Compaq certification and HP Certification. I was surrounded daily by some of the most brilliant people I have ever met in my life who taught me a great deal about network operating systems and applications. It is here while on assignment to Citizens Bank that I started coding in some of the newer programming languages for web applications at the time such as ASP, isapi, perl and VB. Designed Citizens Banks first intranet site and began working for them.

Hanover, Maryland, Us

Aerotek was the foundation of my I.T. expertise, where I learned from companies like EDS, IBM, Cisco, CompuCom, Siemens, and Entex. Became familiar with and skilled at Aix, Prime, VSE/ESA VM/CMS S/390 mainframe operating systems, as well as soldering in memory boards, central processing boards and storage drives.