• Relied upon as a key resource for Enterprise Architecture across the Workplace IT experience with a specific focus on Authentication, Security, and Azure.• Worked with internal Cloud teams to integrate infrastructure with new private cloud automation• Lead significant Enterprise-Wide Security initiatives to enhance the Security of the company• Mentored Engineers to complete significant projects and transition to join the Architecture team• Created Architectural Presentations for a variety of Audiences including general users and Executive leadership• Translated Industry Security and Compliance frameworks for use in Enterprise Systems and the Directory including: MITRE ATT&CK, NIST, CIS, CIA Traid, SOX, and PCI-DSS

• Created multi-year Architectural roadmaps for Directory Services • Guided Operational teams work in coordination with Project Managers and Operational Leadership• Designed solutions for multiple Azure tenants to collaborate across companies• Participated in regular Security Penetration testing and Threat Assessment providing Internal guidance from a Directory and Authentication standpoint• Worked with Security teams to create tooling Architecture for sensitive systems

• Architected and managed a large Corporate Directory System that spanned the United States and International• Management of a dedicated internal LDAP service that is geographically redundant and supports approximately 7000+ applications• Management of the Internal PKI systems that support internal servers, clients, and mobile devices.• Management of Directory Synchronization Services between databases and Azure Active Directory with Azure AD Connect• Azure Global Administrator for Comcast, managing Azure Services including Azure Active Directory and other components within O365• Management of an ADFS (Active Directory Federation Services) Farm that supported Federation with Azure Active Directory and both internal and external applications which averaged 600k authentications daily• Planned and Architected Multifactor authentication through ADFS and Azure Multifactor• Worked with external Administrative teams to properly integrate their applications and services with the Directory• Participated in internal audits for the Directory for SOX, PCI, and Security standards

• Managed and designed several migrations from Exchange 2003/2007 to Exchange 2010 including cross forest mail migrations• Relied upon for the last level of support for Exchange and messaging related issues, working with other teams as necessary to troubleshoot complex issues.• Performed Exchange recovery installation due to hardware failure• Managed several Exchange environments varying in size from 2,000 to 20,000 users with versions 2003, 2007, and 2010.• Managed High Availability Exchange Solutions using Database Availability Groups and Client Access Server Arrays• Leveraged Microsoft Powershell scripting to provide Administrative support, alert on key issues , and generate reports related to the Messaging Environment.• Participated in Several Exchange ExRAP engagements with Microsoft to analyze messaging systems. • Received in-depth training from Microsoft on Exchange Administration including Exchange 2013• Managed several Blackberry Servers

• Managed two Exchange 2003 Organizations.• Participated ExRAP and e-mail environment review with Microsoft• Worked with Architecture teams to provide insight and information in regards to the design of a unified messaging platform• Primary Administrator for 6 Ironport servers. Providing general administrative duties as well as architecture and design as needed• Implemented Cisco's PXE encryption product for secure mail delivery• Wrote key documentation for the team including documenting key messaging systems and processes. • Managed Blackberry Enterprise server• Performed minor Notes administration as needed

• Initially hired as a Server Administrator with a focus on Microsoft technologies and e-mail. In addition to e-mail administration, was relied upon for general server support including DNS administration, server builds, and Active Directory support• Upgraded the Exchange system from Microsoft Exchange 2000 to Exchange 2003 including architecting and implementing Exchange 2003 forms-based Outlook Web Access with Microsoft Internet security Accelerator (ISA) server• Designed, Configured, and Implemented Vontu Compliance and security monitoring software to protect our network from data loss including assisting implementation of new rules and alerts as well as working with the vendor and providing regular troubleshooting and guidance to the security team as needed• Assisted with the implementation servers to support the Avaya phone system• Designed and configured Microsoft Identity Integration Sever Feature Pack (IIFP) between three separate Forests and Organizations• Relied upon to regularly review and provide input into our mail infrastructure suggesting new architecture, new technologies, and in regards to leveraging Enterprise adopted technologies, such as Big-IP, for use with it when possible• Worked with several archiving systems including IXOS, Enterprise Vault, and Zantaz offsite archiving• Supported three different e-mail spam filtering products (Ironport, Proofpooint, and Ironmail) eventually consolidating our systems on Ironpport Enterprise wide • Using prior experience became the primary resource for e-mail monitoring with MOM (Microsoft Operations Manager). Configured management packs and Authored new rules and alerts as necessary• Worked with several different SAN teams and technologies to provide the best performance for our Exchange servers• Provided the primary messaging support for the implementation, documentation, and support of Spark Instant Messaging

Instrumental in the re-architecture of the Exchange 2000 environment to Exchange 2003. This included upgrading servers, planning the implementation, and being the current primary resource on daily operations, configuration, and maintenance of the 2003 serversImplemented MOM product to monitor the Exchange servers Relied upon to resolve the majority of Exchange issues during daily operations by closing approximately 51% of the tickets for the e-mail group (distributed across five people)Management of the primary Exchange site in the organization containing approximately 20,000 Exchange mailboxes in a Frontend/Backend configuration running in mixed-mode with several separate 5.5 sites connected to our 2000/2003 environment via the Active Directory ConnectorEvaluated and re-architected the messaging environment as needed especially in regards to creating system redundancy and improving service availabilityCoordinated with site administrators across the United States to complete the consolidation of Exchange 5.5 servers at our site and optimization of their communication to other sites. This included reconfiguration and removal of sites, mail connectors, and directory replication connectorsReviewed, recommended, and implemented corporate procedures related to e-mail topics such as: backup retention, mailbox deletion, infrastructure architecture, and antivirus proceduresReviewed, tested, and implemented Ciphertrust Ironmail as a SPAM blocking solution for corporate e-mail Worked with RIM's Blackberry Enterprise Server to provide mobile access to Exchange e-mail and calendaringWorked with the Networking and Windows Services teams to troubleshoot and fine tune remote and local client connections for the best user experience on an on going basisRelied upon as the last level of customer support in regards to e-mail which required working heavily with the Desktop Support and Service Center (Helpdesk) teams

Monitoring heterogeneous servers in a messaging environment that spanned multiple Data centers in the United States and abroadAnalyzed Computers in an Internet/WAN environment using multiple protocols including TCP/IPTier 2 customer support that included ticket resolution, customer contact, and account administrationDocumentation of the Network Operations Center Red Book and creation of a Redbook web page. This documentation was used to orient new employees to their positions as well as provide current employees with the information to complete new day-to-day processesAnalyzing and implementing new monitoring and support procedures as necessaryWorked closely with the Exchange team to resolve major issues and create processes to prevent recurring instances of similar problems; This work resulted in a promotion to the Exchange team

Advanced Administration of 5.5 and 2000 Exchange Systems in a mission critical production environment as well as Administration of Windows NT and 2000 servers all together containing over 30,000 user accounts and mailboxesTroubleshot and researched Advanced Exchange 2000 and Exchange 5.5 issuesTier 3 customer support, which includes advanced ticket resolution, generating specialized reports, and customer contactExtensive work with Active Directory manipulation, including the use of tools such as ADSI edit, ldifde, and csvde for bulk active directory changes. This also included documentation and training of these techniques to senior level colleaguesEngineered, tested & successfully implemented a data center move/consolidation project retrofitting all existing Exchange 2000/Windows 2000 (Active Directory) customers into a new network infrastructure including DNS, SMTP gateways, IP addresses etc.Administered, Troubleshot, and planned an Application Service Provider solution hosting Exchange 2000/Windows 2000 (Active Directory to meet demands for scalability to over 250K seats and Service Level Agreements of 99.5% uptime. According to Microsoft this was the first truly "Shared Hosted" ASP product (multiple customers hosted in a single Active Directory schema) Trained & transitioned lower tier technical and operations analysts to support a Windows 2000 Active Directory/Exchange 2000 platformEnabled MAPI access over the public Internet for Exchange Virtual Servers behind firewalls, without using VPNsDeeply involved in Exchange data recovery & disaster recovery procedures, utilizing VERITAS NetBackup Datacenter with alternate recovery servers, restoring database consistency with killmail & Mbconn and using exmerge to move mailbox data in & out of servers

Primarily responsible for maintenance, troubleshooting, and administration of all computers and hardware in the networking departmentCompleted a reorganization and inventory of all computers and hardware in the networking department which included creating a new process for replacing and repairing machines to reduce the impact on students and classesUsed for Substitute teaching and tutoring of students as neededSupervised several college work studies at a time, managing projects and schedules as needed

Wrote Significant Portions of Classroom Delivery Guides for Corporate-wide use among Instructors and other Systems AdministratorsAdministration of a network of over 400 computers, including staff and students on Windows NT 4.0, Novell NetWare versions 4.10-4.11 and 5.0, and SCO- Unix 5.0.0Implementation of T1 Internet access for the entire school via installing and configuring IIS 4.0 and Proxy Server 2.0 for access control and web site caching, as well as Bay Networks Baystack 450-12t switch to segment different portions of the building into VLANs for additional access controlUpgrade, Installation, and configuration of a NetWare 4.10 to a NetWare 4.11 production server for an offsite collections agency along with installation and implementation of specialized collections software packages along with connecting a CD jukebox for application storage and information archiving purposesWorked with the offsite collections agency to standardize the builds of all of their client side machines in order to facilitate a much faster troubleshooting and problem resolution processUse of Ghost and ImageCast software to create a turnkey process for cloning computer configurations through DOS scripting on network bootable diskettesInstallation of HP JetDirect cards and JetAdmin software for print management through NetWare 4.11 and Windows NT 4.0 print serversInstalled and configured several computer LAN labs with custom wiring, workstation, server, and hub configurations Installed and configured Lotus Notes servers and Lotus Notes clients for corporate POP and IMAP e-mail accounts. This also included the troubleshooting of client-side and server-side issues as neededInstalled and configured several Caldera 2.3 Linux computers for Unix Administration II courseInstalled several Windows NT PDC, IIS, and Multi-homed servers for specific classroom configurationsTaught several classes in network administration for Novell 4.x and 5 servers