SUMMARY:

• San Francisco Bay Area based well rounded IT management professional and Network/Systems Engineer.Experienced in many generations of Microsoft Windows workstation and server operating systems. Hosted Exchange, Office 365, and Azure. On - premise Active Directory, Exchange, SharePoint, SCCM/SMS, Skype for Business (formerly Lync), MSSQL, WSUS and other Microsoft servers. Troubleshooting and script configuration with Powershell and other Microsoft Management shells.
• Special focus is Microsoft Skype for Business (SfB) formerly Lync.. Configured and managed integrations with AudioCodes Mediant voice gateways using SIP, PRI, and analog circuits. Legacy PBX replacement and migrations. Managed end to end the migration of a large enterprise to Lync/SfB.
• Research, test, and deploy the right handset solutions for the right use cases. Configured, trained personnel on Polycom VoIP devices. Configured and managed Lync/Skype integrations with those devices.
• Managed various network load balancers (NLB) including F5 Big IP products. Configured and managed Kemp (NLB) for Lync/SfB/Exchange traffic management.
• Design enterprise-wide root and intermediate PKI with Microsoft Certificate Authority. Utilize the PKI for SSO solutions and wireless PEAP/EAP using Microsoft NPS and 3rd party RADIUS.
• Virtualization experience with VMWare ESX, vCenter, Microsoft Hyper-V, and Oracle VirtualBox.
• Cisco routers, Catalyst switches, ASA/PIX firewalls, WLAN controllers/AP’s, CallManager / UCM, Unity, and AnyConnect / IPSec client and site to site VPN.
• Worked with various monitoring systems such as Solarwinds Orion, IPMon, and IpSwitch WhatsUp. Also many ticketing and change control systems and such as Remedy, SysAid, ManageEngine.
• Enjoy building and managing vendor or partner relationships. Enjoy working closely with vendors and partners taking the time and effort to research cost effective and efficient solutions.

PROFESSIONAL EXPERIENCE

Global Systems and Voice Engineer

Confidential, Fresno, CA

Responsibilities:

• Manage Office 365 for the company in a hybrid environment.
• Managed IT for most regional offices. Including all aspects of technology.
• Design Global Skype Topology for corporation with over 80 offices worldwide.
• Streamlined problematic AudioCodes SBA implementation for regional office.
• Worked with high level Microsoft Engineers on various Exchange UM Online issues.
• Trained IT staff on how to collect Skype/Lync debug traces for call quality issues.
• Researched and tested various UC phones that replace legacy telephone systems.
• Trained IT staff on new telephony/UC equipment.
• Utilized SysAid for change control and ticketing system.
• Managed legacy ShoreTel VoIP system which spanned across 30 offices in the US.

Systems Engineer

Confidential, San Francisco, CA

Responsibilities:

• Manage Office 365 with SharePoint for the company.
• Windows security hardening and security template development.
• Train employees on SharePoint and Outlook use.
• Setup Skype for Business lab for feature demonstration to prospective clients.
• Maintain several Linux servers for Apache/Java based websites.
• Setup network infrastructure for my company including VPN and Linux firewall (Iptables).

Microsoft Systems Engineer

Confidential, San Francisco, CA

Responsibilities:

• Managed the Microsoft technologies and engineering at a large enterprise level organization with over 500 clients and multiple sites.
• Maintain and upgrade Skype for Business (Lync) full Enterprise Voice environment.
• Administered Active Directory, Group Policy Objects, Exchange 2013, AD service accounts, and security templates.
• VMWare, AudioCodes Mediant VoIP gateways, Sophos email appliances, and Palo Alto Networks firewalls.
• Completed transition from Avaya VoIP PBX replacing with Lync. Included over 500 telephone and 100 fax DID's to a different telecom vendor and equipment.
• Deployed redundant KEMP load balancers to manage Lync traffic entirely.
• Administer Cisco routers, switches, and WLAN controllers, ASA firewalls.
• Overhauled the on-prem Active Directory, replaced failing WSUS server with an array of WSUS servers. Streamlined WSUS database, performed regular MSSQL maintenance, resolved clustered Exchange 2013 issues.
• Developed a new always updated Windows workstation deployment solutions using USB keys. Saving hours per deployment.
• Customized scheduled admin tasks, GPO font deployment, and event viewer forwarding for troubleshooting some workstations.
• Completed changes to the Help Desk System (ManageEngine Service Desk), and SharePoint for museum rebranding.

Senior IT Administrator

Confidential, San Mateo, CA

Responsibilities:

• IT person for software company focused around healthcare analytics.
• Microsoft Windows domain infrastructure with some Linux database servers.
• Managed and tested various Linux distributions to support our Apache JRE analytics system.
• Manage Office 365 and Lync system for the company.
• Updated HIPAA policies and configured systems to support HIPAA compliance.
• Manage Atlassian Jira Confluence system used primarily for bug tracking and documentation.
• Manage EMC VNX fiber channel and iSCSI SAN.
• Manage virtual machines with VMWare virtual infrastructure with vCenter.
• Took the lead on customer technical calls for configuration and troubleshooting issues.
• Engineered encrypted archival backup system with Amazon Glacier, BackupExec and Veeam.
• Hardware and software maintenance including all desktop support requests.

Infrastructure Architect

Confidential, San Francisco, CA

Responsibilities:

• Contact position to migrate 500+ Windows workstations and 50+ Windows Servers to a new Windows domain which I architected.
• Accessed several CentOS Linux machines to deploy certificates and test SSO applications.
• Brought in and helped manage various outside vendors to assist with migration to a new Active Directory domain.
• Managed virtual machines in multi datacenter VMWare vCenter infrastructure with shared iSCSI SAN.
• Managed tickets in Jira Confluence and Document work on Confluence wiki.
• Worked heavily with Corporate Technology Team for internal processes and policies.
• Assisted Information Security team to mitigate various zero day vulnerabilities and patches including packaging and deploying security updates.

Various Contract Positions

Confidential, San Francisco, CA

Responsibilities:

• Lync consulting
• Windows Server Engineering
• IT Management
• Managed vendor accounts, researched new vendor solutions.
• Maintained complex IT infrastructure which grew from 25 to over 100 employees and several hundred servers between three sites.
• Worked with partners Microsoft, Cisco, and F5 for customer and internal issues.
• Travel to customer sites for network issues escalated from Professional Services.
• Designed a solution which leveraged Cisco CallManager/UCM in a cluster of servers for a bulk SIP automated dialer system.
• Managed ASA/PIX firewalls, ISR routers, Catalyst switches, and WLAN controllers.
• Deployed and managed RedHat systems and other Linux distrbutions to support various AtHoc integrations.
• Deployed Linux and Windows systems in the AWS cloud to support AtHoc’s new hosted offering.
• Worked on special Development TAC cases for internal and customer issues. Worked between Product Development and QA teams on these cases.
• Deployed Cisco Unity and MeetingPlace Express basic configuration and management.
• Managed internal systems Microsoft Active Directory, SharePoint, Lync/OCS, Exchange, all Windows systems. Some Linux systems and appliances.
• Deployed and managed VMWare ESX hosts in our datacenters.
• Managed corporate and customer hosted systems.
• Design and deploy SaaS solutions and complex environments for sales demos.
• Setup and managed tools for monitoring and alerting for all systems. IPSwitch, SolarWinds, SiteScope, Cisco RTMT.
• Managed EMC and NetApp iSCSI SAN. Assigned and setup SAN slices to teams’ virtual hosts.

IT Administrator

Confidential,San Diego, CA

Responsibilities:

• Complete any IT related tasks between multiple branch offices in CA, NV, and MA.
• Implemented site to site VPN tunnels with Cisco routers and PIX firewalls between all office branches. Removed costly point to point links.
• Upgraded Windows Domain to 2003/Active Directory and Exchange from 5.5 to 2003.
• Deployed ShoreTel VoIP Phone system for entire company.
• Checkpoint Firewall Administration and interoperability with Cisco routers.
• Managed RedHat Enterprise Linux server with rebar detailing accounting system.
• Desktop Support for office staff and construction field management staff.