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Senior Infrastructure Systems Engineer / Lync Architect Resume

Southfield, Michigan


  • IT Professional with 20+ years of hands - on experience leading the creation and implementation of technology best practices that facilitate cross-departmental collaboration and information sharing and delivery of quality IT services in support of business objective. 15 years focused in Active Directory, Exchange and messaging technologies
  • Decisive and strategy minded, problem solver with a talent for implementing a messaging platform, migrations, transition and collaborating with additional communication technologies and meeting the company’s messaging goals.
  • Architecture Planning, Installation, Configuration, Maintenance, Administration and Performance tuning of Exchange 2016/2013/2010 environments supporting 1,500+ users.
  • Experience in DAG Creation, monitoring, troubleshooting, and database maintenance in various versions of Exchange.
  • Experience with the installation, configuration, maintenance and administration of Windows server 2016/2012/20082003 at a single or multi-level domain platform.
  • Experience in application of patches, backup and storage procedure in test, maintenance and production environments.
  • Strong, hands-on experience with SCCM and SCOM, Outlook 2003/2007/2010/2013/2016 and Office 365, Hyper-V, Mobility management such as Blackberry Enterprise Server, and VMware ESX (vSphere) 5.0/5.5/6.0/6.5.
  • Excellent Knowledge with Microsoft Azure, SaaS, IaaS, and Office 365, OneDrive, PowerShell, Mobile Device Management (MDM), Multi-Factor Authentication (MFA) and Right Management Services (RMS).
  • In-depth understanding of Identity Management systems and concepts including Active Directory, Single-Sign-On (SSO), Microsoft Identity & Access Management (MIM/FIM), DHCP, DNS, IIS, Windows clustering services, deployment services, ADFS.
  • Monitor/maintain operating system logs, files systems and directories and coordinate maintenance with Windows environment.
  • Analyze capacity data and develop capacity plans for appropriate level enterprise-wide systems. Coordinate with appropriate management personnel in implementing changes.
  • Support complex data/media recoverability through system backups and database archive operations using Symantec Backup Exec, Enterprise Vault.
  • Oversee, recommend and implement appropriate level system solutions and enhancements to ensure an improvement in system reliability, performance and Change Management.
  • Oversee and apply appropriate support packages/patches to maintain system integrity in Active Directory Domains and Exchange Organization.
  • Develop and maintain appropriate system documentation to ensure that documentation is current.
  • Oversee the maintenance of a library of system-supporting process and procedure documentation using ITIL principles.
  • Provide leadership and documentation to L3 Support and End Users.
  • Strong analytical, problem solving, and troubleshooting skills with a high hands-on approach.
  • Excellent communication skills and a great team player.
  • Experienced with implementations of Skype for Business and configurations of server and client components
  • Enabled mobile devices for authentication with Skype for Business server


Messaging Systems: Exchange 2016, 2013, 2010, 2007Operating Systems (OS): Windows Server 2003, 2008, 2008 R2, 2012, 2016, Windows 7, Windows 8, Windows 10, Linux - Ubuntu

Directory Services: Active Directory and Active Directory Azure Connect.

Virtualization Infrastructure: VMWare, Hyper-V, and Citrix XenServer

Enterprise Software: Microsoft Lync 2010, Lync 2013, Skype for Business, Symantec Backup Exec, Symantec Netback Up, SANS, UPS, Dell Open Management, Tape backup library, McAfee Anti-virus, MS Office, SQL Server

Cloud Computing: Microsoft Azure, IaaS, SaaS, Office 365, Active Directory Connect, Azure Backup, Azure Site Recovery, OneDrive, PowerShell, Mobile Device Management (MDM), ADFS, Multi-Factor Authentication (MFA) and Right Management Services (RMS)

Other Technologies/ Protocols: SCCM, Citrix XenApp, Netscaler, Event Archiver, Event Alarm, IIS, SSL, LAN, WAN, TCP/IP, DNS, DHCP, GPO, WSUS, SANS



IS Manager / Senior Systems Engineer


  • Managing & supporting the 24/7/365 operation of Confidential global network infrastructure with over 150 virtual servers on VMware vSphere 6.0, including on premises and on cloud Active Directory, Exchange Server 2016, Windows Server 2008R2, 2012R2, SharePoint Server 2013, IIS, SSL, Outlook 2013/2016 and ADFS
  • Led multiple technical initiative as Change and Project Manager and/or Technical Lead. Key project contributions include, but are not limited to, the following:
  • Project leader for migrating Email from Exchange Server 2013 to Office 365, including SharePoint,
  • Implementing Azure Active Directory connect with SSO and DirSync.
  • Configured Exchange 2016 online according to the organization policy
  • Migrated all users’ folders and messages into the new environment,
  • Coordinating and testing all configuration, executing over a weekend
  • Put a training plans for all users
  • Integrating SharePoint into the O365 environment, including leveraging SharePoint a document management system
  • Ruled out Skype for Business for all user
  • Successfully completed and delivered the project on time
  • Designing, building and documenting the migrating Active Directory from Windows Server 2003 version to Windows Server 2012R2, migrating users, group policy, DHCP, DNS, File & Print Servers and other related objects,
  • Designing, building and documenting and migrate client email from MDaemon email server to office 365
  • Implementing and support Mobile Management Service (MDM), Right Management, Microsoft Identity & Access Management (MIM/FIM), Multi-Factor Authentication (MFA), Single Sign On (SSO) for Office 365 and Other Applications.
  • Managing and support Active Directory, Office 365, Azure Active Directory Connect and Group Policy


Senior Infrastructure Systems Engineer / Lync Architect

  • Worked at a senior level to coordinate and lead assigned projects in all technical and communication aspects to finalize them per company requirements and within deadlines.
  • Managing and support SharePoint 2013, and creating SharePoint Farms and Sites and managing security for those farms
  • Supported the 24/7/365 operation of Stefanini global network infrastructure with over 250 virtual servers on VMware vSphere 6.0, Exchange Server 2010 and 2013, Active Directory, Windows Server 2008R2, 2012R2, IIS, SSL, Microsoft Identity & Access Management (MS ILM/FIM), Citrix XenApp 6.5, Outlook 2010/2013, Office 365, OneDrive, Lync 2010/2013 and Skype for business servers
  • Managing and support SCCM sites, collecting inventory, Update Systems, creating and implementing Windows desktop images, creating and implementing software packages, PXE boot to the requested image, and updating the images with latest service backs.
  • Responsible for monitoring the performance of the server platform and making technical recommendations on improvements if necessary.
  • Supported an on-call rotation and worked non-standard hours when necessary.
  • Led multiple technical initiative as Project Manager and/or Technical Lead. Key project contributions include, but are not limited to, the following:
  • Project leader for the Lync 2010 servers upgrade to Lync 2013 and Skype for Business 2015 on Windows 2012 R2.
  • Moved Lync central management store database from Lync 2010 to Lync 2013, and documented the process.
  • Decommissioned Lync 2010 server roles from environment, and documented the process
  • Resolved Lync and Outlook client credential popup message error.
  • Utilized Lync logs and snooper tool to parse log files for troubleshooting efforts.
  • Resolved Microsoft Exchange and outlook client disconnect issues.
  • Collaborated with storage, database, security and network engineers to resolve issues.
  • Resolved tickets helped clients by daily bases
  • Inherited an active project to migrate users from on-premises Exchange Server 2013 to Office 365 using Azure Active Directory Connect
  • Project was in disarray and design and configuration decision needed to be re-engineered.
  • I was able to get the project back on track and successfully implement to client satisfaction

Confidential,Ann Arbor,Michigan

Senior Systems Engineer /Active Directory Architect

  • Lead a project to migrate 700 mailboxes from Exchange 2013 to Office 365 and implementing SSO Identity service with Azure Active Directory Connect and ADFS.
  • Implemented and managed Office 365 licensing for users with needs beyond the on premise environment
  • Added Accepted Domains through Office 365 EAC to manage and allow proper Mail Flow
  • Led the Support Team to facilitate migration for End Users for New Office 365 Model.
  • Designing, building and documenting the Active Directory from Windows Server 2003 version to Windows Server 2008R2, and migrating all users, group policy and other related objects.
  • Manage and support the network infrastructure, security, telecommunications and phone system, Windows Severs 2003/2008/2012, Exchange Server 2010/2013, Outlook 2010/2013, Office 365, IIS, SSL, Citrix XenApp 6.5, Netscaler 10.5, OneDrive and SharePoint Server 2013
  • Supported the end user and the organization with all aspect of Active Directory related issue, Exchange Server 2010 / 2013 and worked on upgrading Active Directory domain from Windows Server 2003 to Windows Server 2008R2 version, also worked on creating RODC with Active Directory and send to offices on Brazil and China and supporting Active Directory on those sites.
  • Developed and implemented disaster recovery procedures including Exchange Server 2013 Database Availability Group (DAG), backups and recovery testing.
  • Supported the 24/7/365 operation of NSF’s global network infrastructure with over 200 virtual servers on VMware vSphere 5.5 with over 7000 users globally.
  • Mentored and educated the members of the User Support team and Network Administrator.


Senior Systems Engineer / Citrix Specialist

  • Provided support to over 75000 users on Active Directory on Windows Server 2008R2 and 2012R2 environment on enterprise level.
  • Provided expert level support of all Intel-based server hardware and software applications for the Cerner Systems, Hospital Information Systems (HISs), and Clinical Assessment tools.
  • Day to day administration, support, maintenance and monitoring of the VMware vSphere 5.5, VMWare View with over 5000 virtual servers
  • Upgraded XenApp 4.5 to 6.5 and support XenServer, provide routine maintenance and support for XenApp 6.5, Citrix Netscaler 10.5, and XenServer.
  • Upgrading over 2000 Citrix XenApp 4.5 on Windows 2003 to XenApp 6.5 on Windows Server 2008R2 / 2012R2 and
  • Installed and Configure SQL Servers to host Citrix farms information.
  • Building Windows Server 2008 and 2012 on VMWare hosts
  • Published the Cerner and NextGen applications on the new servers
  • Ruled out the new Citrix agent to the end user with SCCM and Group Policy
  • Fixed all end users problem related to the migration


Network Systems Manager / Senior Systems Engineer

  • Managed the IT operations and services (Tier 1 & 2) per industry best practices. This includes IT support of ICAO's end-user computing environment --desktop and laptop computers, printers, video conferencing equipment, instructional equipment, other end-user devices and collaboration, audiovisual technology -- for use in a variety of settings (e.g. training rooms, boardroom, office, and conference center).
  • Planned, designed, built Exchange 5.0 then upgrade to Exchange 2000, then transitioning to Exchange 2013 and 2007 and 2010 and supported Enterprise-class Domain with Windows Server 2000/2003/2008.
  • Working on Project Management, and developing detailed project plan and track project progress.
  • Design, Architect and Implant and support Active Directory solution on a Windows Server 2000, then upgrade to Windows Server 2003, thereafter to Windows Server 208R2
  • Planned, designed, built and supported SharePoint 2010 server, Systems Center 2007 (SCCM and SCOM), SQL Servers, IIS, SSL, Citrix XenApp 4.5, Print Server, File Server, Blackberry Enterprise Server, and other applications servers.
  • Developed monitored and administered department and project budgets within allocated resources; optimizes financial performance.
  • Represented the department and the IT division on external project teams and leads internal project teams in area of IT service support.
  • Led multiple technical initiative as Project Manager and/or Technical Lead. Key project contributions include, but are not limited to, the following:
  • Led Disaster Recovery initiative,
  • Establishing Recovery Time Objectives and Business Continuity Planning, in liaison with business units.
  • Contract negotiations and day to day management DR Service Provider performance.
  • Lead the annual enterprise DR recovery and testing.
  • Designing, building and documenting and engineering the Active Directory domain on Windows Server 2000 then upgrade to Active Directory 2003 version, on the year 2003, then upgrade again to Windows Server 2008R2 Active Directory on the year 2009. Creating group policy, organization unit, and other Active Directory objects.
  • Plan, Architect and Migrating 200 user accounts from cc-Mail to Exchange server 5.5, including archiving and moving users email from cc-Mail to Outlook 97.
  • Plan, Architect & implementing a VMWare virtual environment and move all physical server to a virtual server using VMWare 4.

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