Worked as Infrastructure Manager to modernize, secure, and support mission critical infrastructure and applications for a Post-Acute Healthcare Provider with 40 Skilled Nursing, Rehabilitation, & Residential Care Home Health facilities.AchievementsUpgraded WAN infrastructure, replacing Cisco Routers and MPLS circuits with VMware VeloCloud SD-WAN edges in High-Availability configuration with Fiber and HFC Internet uplinks, resulting in increased throughput, reduced downtime, and improved visibility into application traffic.Implemented OneLogin Cloud Access Security Broker (CASB) synced with Active Directory and enforce MFA when accessing cloud-based resources such as Office 365 and Cisco AnyConnect VPN. Federated multiple Covenant Care domains with OneLogin.Designed, implemented, and administered MobileIron Cloud MDM (mobile device management) system, supervising ~1700 iPhones, iPads, and Android tablets. Leveraged MobileIron to provision Wi-Fi and email profiles, enforce security policies, deploy app payloads, and to track device locations.Managed the migration from on-premises Exchange to Microsoft Office 365, including authoring end-user communications & training manuals, creating updated MobileIron email profiles, and providing bubble support.Implemented Google Workspace and Chromebooks as thin clients for accessing Citrix and other SaaS applications such as Office 365 and PointClickCare, resulting in a reduction in hardware spend of roughly $275,000. Configured Google Cloud Directory Sync (GCDS) with Active Directory and SAML authentication to enable use of users' AD credentials for Chromebook login.Migrated corporate headquarters to Zoom Meetings and Zoom Phone from Cisco WebEx and Cisco Unified Communications Manager, which entailed auditing existing numbers/queues/auto-attendant, porting numbers to Zoom, building the Zoom auto-attendant & call queues, provisioning desk phones, & conducting training on the Zoom systems.

Worked as Systems Administrator for the corporate headquarters of Covenant Care. Created and maintained corporate system images using Symantec Ghost. Configured and repaired Dell laptops and desktops, imaged and managed corporate Apple mobile device inventory (iPhone, iPad, & iPod) using Apple Configurator and MobileIron MDM. Managed and configured network printers and multi-function devices (Canon, Xerox, Ricoh, Konica-Minolta, and HP) for scanning to network shares and email. Utilized HP JetAdmin to build and deploy configuration templates to facilitate a large-scale MFD refresh project. Maintained and tracked asset inventory and shipping records. Managed user accounts and access to network resources. Authored detailed manuals to document procedures and processes for the purpose of knowledge sharing and training new staff.

Worked as IT Manager of the BP/Tesoro Carson refinery QA Lab. Provided 24/7 production support and maintenance of all Refining applications and the information system infrastructure. Administered the lab's Microsoft Windows and SCO UNIX servers. Provided infrastructure networking support which consisted of Cisco routers and switches, and Juniper firewalls. Participated in technical troubleshooting teams to quickly identify and resolve any issues related to mission-critical enterprise applications. AchievementsDeveloped, managed, and reconciled the QA Lab annual IT budget of $200K.Consolidated QA lab server infrastructure using VMware vSphere and ESXi for fault tolerance,performance gains, and energy savings of $2.5K per yearStrengthened the information security posture by designing and implementing information security capabilities for a remote access solution into the QA lab network.Successfully completed a project to migrate 1200 systems to Windows 7 using Windows Deployment Services (WDS) and SCCM 2012, on schedule and prior to Windows XP end-of-life deadline.Migrated the document management system (DMS) to Citrix XenApp cluster for load balancing, redundancy, and performance improvements.

Worked as Systems Administrator for the BP Carson Refinery. Installed, configured, and administered desktop and server systems in a Windows Active Directory environment. Administered 100 servers and 1200 workstations. Performed backups and restores and coordinated tape exchanges with an offsite storage facility. Participated in an on-call rotation responsible for providing 24 x 7 support for mission-critical systems.

Worked as Systems Administrator for Weyerhaeuser. Provided end-user support for a wide variety of items ranging from MS Office support and training to troubleshooting network connectivity issues. Installed, configured, and administered 400+ workstations and 20+ servers for six facilities spread across Tennessee, Arkansas, and Mississippi. Prioritized workload to maintain contractual service levels and to ensure that each facility received prompt and appropriate levels of response to maintain high levels of customer satisfaction. Providing 24 x 7 on-call support for local region in addition to participating in on-call rotation for the Eastern US Zone field services team to ensure SLAs were maintained.

Worked as Systems Administrator for the Remote Desktop Services team (Level 2 support). Provided leveraged support to approximately 10 accounts, including Bechtel, Blue Shield of California, Borax, Chevron, Extreme Networks, and Palm. Assisted end users by remotely analyzing, diagnosing, and resolving complex technical issues with applications, hardware, network connectivity, printing, and remote access (VPN). • Managed multiple client ticket queues as well as escalated calls from the helpdesk for as many as 10 different accounts, resolving 30 tickets daily on average.• Maintained and updated the client knowledge bases with issue resolutions and trending issues. These resources enabled the helpdesk to resolve more issue and increase customer satisfaction.• Acted as Subject Matter Expert (SME) on multiple accounts and conducted training sessions to increase the skills of other team members, resulting in a 20% increase in first call resolution.

Supervised a team of 15 Marines to increase their skills, knowledge, and expertise. Planned and executed structured training exercises. Mentored subordinates to develop their leadership skills. Evaluated individual performance and provided both recognition and performance improvement plans as appropriate.