26 Years of Experience


2021 - Current
City National Bank

Active Directory Senior System Engineer, Vice President

Senior Active Directory engineer oversees and is responsible for the oversight, administration, and engineering of the AD and Azure AD environment for City National Bank. As a member of the Technology and Innovation division the responsibilities are to architect, design and follow industry best practices while adhering to Information Security standards. Providing technical assistance and escalation support for all troubleshooting tasks related to AD, including all Microsoft Windows and non-Windows endpoints, authentication, role based access controls, DNS, DHCP, etc. Manage the environment proactively, anticipating risk and issues, designing and engineering for resiliency. Technical ownership of projects and systems accordingly. Facilitate the implementation of Group Policy Objects based on stated requirements. Accountable for the management, uptime, and lifecycle of the bank's Active Directory forests, domains, and domain controllers. Identify areas for improvement and maturation of existing processes and procedures by leveraging scripting and automation. Management of the Public Key Infrastructure systems and certificates. The Technology and Innovation team drives, develops, and maintains solutions for the banks clients and colleagues by driving technology advancement and innovation across all platforms with each of the bank's technology teams.
2020 - 2021
University of California San Diego

Senior Active Directory Engineer

Senior identity management engineer working with primarily Microsoft Azure Active Directory for the UC enterprise IDM systems. Primary responsibilities are to manage identity information across a number of different systems using ADDS in a hybrid format with on-premise Active Directory and Azure Active Directory in the Microsoft cloud and within AWS VPC. Supporting the migration to Azure from on-premise Active Directory as well as engineering the architecture for how IDM works for the enterprise forest consisting of over 80k users. Using PowerShell as the primary scripting tool to perform the automation of account management, creation, and delegation to other groups throughout the UC campus.
2015 - 2020
MGM Studios

Senior Cloud Engineer

Senior infrastructure cloud engineer, primarily focused on Microsoft cloud technologies (Azure, Office 365), cloud identity provider services (Okta), AWS data center migration and hybrid VDC, and cloud security platforms such as Nutanix, Palo Alto, EvidentIo and Akamai Luna. Lead engineer in managing all the implementation of new Microsoft and UNIX related server technologies as well as all application deployment via Okta and all Okta policy and identity design.
2014 - 2015
University of Southern California

System Engineer IV

Lead system engineer and administrator for all Microsoft related technologies such as Exchange 2013, Active Directory, SharePoint 2013, Lync 2013, Office 365 and Azure AD and Identity management. Designed and migrated Exchange 2010/2013 environment to a hybrid Office 365 platform using ADFS, Single Sign On, and Azure AD in the cloud. Lead administrator for Microsoft SCOM and SCCM to provide automated deployment of desktop images, windows updates and security patches to servers and desktops, and deployment of custom applications specific to University business functions.
2013 - 2014
DTS, Inc

Senior System Engineer

Senior system engineer for all Microsoft and Unix related systems, VMware and storage related technologies including Exchange 2010/2013, Active Directory, SharePoint 2010 and Microsoft Lync 2013. Senior lead engineer in managing all the maintenance and implementation of new server technologies. Proficient with PowerShell to automate routine tasks, and increase site reliability 100% for Active Directory and Exchange globally. Managed all infrastructure related technologies with 7x24 support including DHCP, DNS, Backup and Recovery (NetBackup), VMware, and all SAN and NAS storage appliances. Lead and managed all infrastructure related projects, with strong emphasis on team work and detailed documentation.

Experience cont...

2013 - 2013
Semtech Corporation

Senior System Engineer

Senior lead engineer for Microsoft Exchange 2010/2013, Microsoft Lync 2013, and SharePoint. Handled all tasks and served as lead role in all projects focused on improving reliability and scaling out Exchange and Lync to six sites globally. Designed and automated scripts to monitor and manage Microsoft systems and improve uptime. Managed the Microsoft infrastructure and systems used more by than 2,000 professionals around the world.
2010 - 2013
The Scripps Research Institute

Senior System Engineer

Senior administrator and engineer for Microsoft Exchange, Active Directory, SharePoint and Lync. Led all migration projects to move away from all Unix mail systems and sustain and virtualize all pre-existing Exchange servers by moving to a multi-tiered storage appliance.
2008 - 2010
University of Maryland

Senior Messaging Collaboration Engineer

As the lead senior messaging engineer and administrator, led various projects to migrate from an obsolete Unix mail systems to Microsoft Exchange. Coordinated with all sectors of the various universities IT units to design a plan to move all faculty, staff and student’s emails to Exchange.
2005 - 2008
University of Southern California

System Engineer

Designed and improved existing infrastructure that spawned a brand new IT department for the school of medicine. Implementation of a new messaging system, directory system, migration of all data to file servers for faculty, staff and students along with installation of new backup and disaster recovery systems.
2000 - 2005
University of Redlands

Senior HelpDesk Technician

Primary accomplishments included leading team of technicians to migrate to Windows 2000 multi domain environment which included the installation of Microsoft Exchange and DFS. I provided various migration strategies for desktops to move to the Windows domain systems along with their mail and all existing data.


Technical Skills

AWS Cloud Design - Architecture


Okta (Identity Access Management)


Virtualization (VMware, Hyper-V)


Enterprise Security (DUO, Sophos, Netwrix)


Appliance (Citrix, KEMP)


Microsoft Technology Skills

Active Directory (Azure AD, on premise)


Exchange 2013 - 2019 and Exchange Online




Microsoft Server and Windows (Win10, Server 2016, 2019)


Microsoft Office 365