SUMMARY:

• 15+ years of experience in Information Systems, Telecommunications and Enterprise messaging systems specializing in Microsoft Exchange and Lync/Skype - for-Business
• Active Directory design, implementation and administration in Windows server and Exchange server environments.
• Experience with Exchange and identity management; Microsoft Identity Manager implementation, design and administration for Microsoft Exchange.
• Strong understanding of various email protocols and security as applied to Microsoft Exchange.
• Experience with using PowerShell for migration from Microsoft Exchange 2010 to 2013 and Lync 2010 to 2013.
• Experience with Microsoft ADFS, DirSync, SCCM and SCOM.
• Responsible for assisting with the implementation and support of Active Directory, Microsoft
• Skilled with Windows Server 2008, Active Directory, Domain Name System (DNS), and other core Network Services.
• Microsoft Office 365 implementation, migrations and administration
• Working in an Exchange hybrid environment with Office 365 or Exchange or other email platforms
• Experience managing the following Microsoft technologies: Active Directory, Microsoft Identity software (ILM, FIM, MIM), Azure AD Connect and ADFS as well as Microsoft Federation.
• Engineer with experience in architecting, implementing and supporting Unified Messaging and Lync/Skype conferencing solutions in a Microsoft Enterprise environment.
• Design, build and implementation of conferencing solutions. On Premises (Lync 2010) and Office 365 Multi-Tenant (Skype for Business).
• Expert in designing actionable Key Process Indicators around Lync and Skype for Business.

TECHNICAL SKILLS:

Microsoft: Windows Server, Microsoft Exchange Server, Microsoft Active Directory, Microsoft Azure, Microsoft Outlook and Outlook Web (OWA), Confidential

Nuts n Bolts Messaging: Pool, High availability, Resiliency, SQL, Web Services, Simple URLs, Reverse Proxy, Survivable Branch Appliances (SBA), Session Border Control (SBC), SIP, SIP Trunk, Migration, Edge server, Dial-In/Dial-Out, Lync Online, Front End Server, Back End Server, Director Server

Client Server: Exchange Server, PowerShell, Lync Server, Exchange Online, DHCP/DNS/VPN, LAN/ WAN/TCP/IP, Windows, Red Hat/Solaris 10, Linux/Unix, Oracle Virtual Box, Windows XP/7/8/10, VMWare/VSphere, VirtualBox, Virtual Machine, Microsoft HyperV

Exchange: Continuous Cluster Replication (CCR), Standby Cluster Replication (SCR), Local Copy Replication (LCR), Hub Transport Server, Exchange management console (EMC), Outlook Web Access (OWA) Database Availability Group (DAG) DAC Mode, CAS Array, Hub Transport Server, Exchange management console (EMC), Outlook Web App (OWA) Transport pipeline, Managed Availability, Exchange Admin Center (EAC), Outlook Web App (OWA)/Outlook On the Web (OOTW) for 2016 TCP/IP, DNS, SIP, MAPI, SMTP.

Networking protocols: POP, IMAP

PROFESSIONAL EXPERIENCE:

Confidential

Systems Engineer

• Experience with routing and switching protocols, TCP/IP, QoS, VLANs, DNS and WAN protocols related to voice technologies
• Understand the integration of Lync/Skype systems within a Cisco IP telephony infrastructure such as CUCM and Cisco Telepresence.
• Understand the integration of Lync/Skype systems within a Cisco IP telephony infrastructure such as CUCM and Cisco Telepresence.
• Management and support of certificate authorities
• Monitoring, performance tuning, security updates and disaster recovery for areas of responsibility
• Strong experience with Active Directory, including advanced features such as certificate in Exchange services,federation services, Active Directory domain and forest restructuring, consolidationand migrations.
• Implementation of Windows security/system hardening for Windows operating systems.
• Performing cross-forest mail migrations, exports/imports and using migration tools to consolidate mail systems after mergers/acquisitions in Exchange.
• Advanced knowledge of Microsoft networking technologies such as DNS, WINS, DHCP and DF
• Perspective and experience with large enterprise infrastructure and technology inter-dependencies
• In-depth knowledge of network captures and network troubleshooting in Microsoft networks and Exchange.
• Exchange engineer with experience in architecting, implementing and supporting Unified Messaging and Lync/Skype conferencing solutions in a Microsoft Enterprise environment.
• Excellent understanding of Network Protocols: SMPP, TCP/IP, SS7, MAP, UCP, SNMP, MM4, MM7, SMTP.
• Working knowledge of load balancing solutions in Microsoft networks and Exchange systems.
• High level of initiative and critical thinking, Strong diagnostic and problem solving skills applied to implementation and troubleshooting in Microsoft networks and Exchange systems.
• Understanding of Windows Server, Hyper-V, MS Cluster Server/Multi-vendor Cluster and SAN implementations

Confidential, El Segundo, CA

Messaging Systems Engineer

• Managed tickets and requests for related to Exchange and Linq using the Remedy ticketing system to track, update, and resolve.
• Responsible for creating new user and shared mailboxes, distribution groups, and security groups in Exchange.
• Maintained clustering configuration for Exchange 2013 server high availability through the clustering manager to monitor and maintain services and configuration
• Troubleshot load balancing issues causing client connectivity and latency issues in Exchange system.
• Configured ActiveSync profiles for mobile device connectivity to Exchange 2013 and tested with clients to ensure functionality
• Acted as additional support for the Lync 2013 deployment for IM, A/V, and Enterprise Voice services.
• Configured Windows 2008 virtual machines for the deployment of Exchange/Lync 2010.
• Verified network and server configurations, tested virtual implementation, and readied servers for application deployment.
• Deployed Lync Front End servers in a pool configuration for hosted services and Edge servers for external communications, allowing unified communications services both internally and for remote Exchange/Lync users.
• Utilized PowerShell for administrative tasks related to Exchange and Lync such as enabling users, setting policies, and retrieving deployment statistics.
• Rolled-out implementation of Exchange Online and Office 365.

IT Systems Engineer

ConfidentialSunnyvale, CA

• Tested on premise Exchange connections to cloud services with the help of security and networking teams to ensure proper routing, authentication, communication.
• Responsible for creating batches of users, via PowerShell, to move on premise mailboxes to Exchange online.
• Troubleshot issues with Exchange mailbox moves, monitored bandwidth and migration progress, and reported on status and any changes in planning that were necessary.
• Assigned user licenses for subscription services in Office 365 with PowerShell scripting to automate the process.
• Manage and support Lync 2010 & Lync 2013 Unified Communications Enterprise environment consisting of sixteen servers, a load balancer, and several media gateways, providing voice and video over IP, instant messaging, presence, web conferencing, video integration and Unified Messaging for users across six global locations.
• Responsible for the design and architecture of Lync expansion to branch sites by deploying survivable branch appliances
• Handled tickets pertaining to user sign-on issues, conferencing policies and quality, and call drops in Exchange with Lync.

IT Systems Engineer

Confidential

• Migration of Windows Server 2003 to Windows Server 2008 and Active Directory components.
• Migration of Exchange server 2003 to Exchange 2007 on premises.
• L1 and L2 technical support: Workstations, mobile phones, desk phones, voice and data cabling
• Windows Server Clustering
• Hardware quotes, purchases and guarantees
• Virtualization of VM Workstation 7 and 8.
• Antivirus console management Trend Micro Worry Free 6.1
• Hands-on with VMWare and WM Workstation.
• Installation and migration of VMs. Templates, Cloning, Snapshots, vConverter for use in Microsoft network with Exchange.
• Technical support for Exchange system to 5 branches and 2 headquarter offices (130 users)
• Virtualization using Microsoft Hyper V for testing and implementing Exchange
• Responsible for TCP/IP, DNS, DHCP and basic Network Troubleshooting in Windows and Microsoft Exchange environment.

IT Technician

Confidential

• Client side and server side technical support and troubleshooting.
• Nortel CS1000 PBX management: Analog, digital and IP telephony, 1400 phone extensions
• Client side Windows installation and set-up
• Installation and management of centralized application software on virtual server using Microsoft Hyper V
• Windows Servers 2003 and 2008 management: Active Directory, DNS, DHCP, File Server, Terminal server and GPMC
• Setup and daily verification of file servers backups through RoboCopy
• Juniper SSG5 and NS5GT routers management: VPN, bandwidth managements and internet filtering
• Active Directory management
• Domain Controller migration Windows 2003 to Windows 2008
• Cables, cat 5,11 Switch (standard and Managed) and Router configuration and installation.
• Responsible for the installation of Windows servers, configuration, and introduction of servers into the network.