Continued to improve the AWS environment that was built previously, including migrating the overall architecture of the multi-account configuration from the old Landing Zones solution to Control Tower after it was made generally available.Worked closely with IT development teams to design, build, and deploy AWS infrastructure for internal use applications and APIs, primarily making use of AWS services such as Elastic Beanstalk, Lambda, CloudFormation, RDS, S3, and EC2.Worked closely with our Information Security team to maintain our security hygiene as it relates to AWS, utilizing tools such as AWS Security Hub and GuardDuty. Also worked with 3rd party tools such as RedSeal, XMCyber, Prisma, Tenable, Splunk, and Sumo Logic.Provided day to day support for the development teams, including design of new deployments, troubleshoot issues in AWS, manage AWS accounts, and permissions and access to those accounts.Performed due diligence in cost savings and reductions where applicable in the environment, including consolidation of services where needed, monitoring and removing resources that were no longer needed, and providing accurate cost and usage date to leadership.Worked with other teams throughout the greater SHI organization on AWS and Azure related tasks, centering around management or deployment of other AWS mutli-account environments that are more customer facing, and integrations between AWS and Azure for various items including SSO integration.Maintained and renewed AWS Certified Solutions Architect - Associate and AWS Certified SysOps Administrator - Associate certifications, and currently working on AWS Certified SysOps Developer - Associate.Lead deployment of Palo Alto VM-Series Firewall solution to replace the existing Cisco FTD, coupled with a migration from the old Cisco Transit VPC networking architecture to a Transit Gateway based solution. Also configured multi-region Transit Gateway and Direct Connect Gateway implementation.

Tasked with leading implementation of brand new AWS environment specifically for IT application development and cloud migration.Independently researched and implemented the AWS Landing Zones solution prior to the existence of Control Tower.Worked with networking team to implement and administer a Cisco Transit VPC solution, prior to the existence of Transit Gateway, along with an AWS Direct Connect to create hub-and-spoke topology and a hybrid cloud networking infrastructure.Worked with AD / Azure team to implement AWS SSO and create permission sets across new multi-account AWS environment.Obtained AWS Certified Solutions Architect - Associate and AWS Certified SysOps Administrator - Associate certification.All other VMware administrator tasks as outlined before were still included.

Helped to administer a VMware ESXi 5.5/6.0/6.5/6.7 environment with over 800 virtual machines across a dozen local and remote clusters consisting of 2-12 hosts per cluster, on various hardware including HP C7000 compatible blades and Cisco UCS.Participated in process creation and documentation for VMware environment administration including automated virtual machine deployment, host maintenance, primary and secondary solution upgrades, and storage integration tasks.Assisted with multiple host migration processes as we updated hardware, both for the hosts themselves as well as our SAN backend.General troubleshooting of the environment and various virtual machines as issues were raised via ticketing system, including virtual machine recovery, snap shot management, and performance evaluations.

Helped to implement and was the primary system administrator for an internal Terminal Services environment front ended by the Aventura session roaming/location awareness application.Was the primary server administrator for a dozen different hospital applications ranging from finance to cardiology to security. Also the primary server administrator for a half dozen Windows file share servers.Interfaced with consultants and constructed a Horizon View 5.3 VDI environment, and was the primary administrator of it.Helped to administer a VMware ESX 4.1/5.0 environment with over 400 virtual machines across over sixteen hosts.Assisted with management and day to day operations of a CLARiiON CX4 and IBM V7000 Storwize fibre channel SAN environment that supports said VMware environment and IBM AIX environment.Interfaced on a weekly basis with various vendor support persons for all of the above mentioned responsibilities.Assisted front line help desk team from time to time on various larger roll out projects and other troubleshooting matters.

Actively worked as part of a front line team for desktop and PC support for the main hospital as well as over 25 offsite doctor's practices and ancillary office locations. Helped to support a wide range of applications ranging from Microsoft Office to Quadramed CPR EMR system. Coordinated with the team for new deployments of both hardware and software, various office moves and location additions, and general end user support.