Jonathan Larsen

Experience

Administered and configured enterprise ticketing and business workflow system, processing over 30,000 tickets per month
Administered CentOS servers hosting ticketing system
Supported user base of 600 internal users and thousands of external users
Configured API and email systems integrations with internal and external partners
Collaborated with internal customers to introduce new functionality and workflows

Administer RHEL and Windows servers supporting day-to-day operations of the PUD.
Provide deskside support for office employees and administration.
Plan and implement infrastructure upgrades and updates for all critical systems.
Implemented help-desk software and procedures to streamline IT support and change requests.
Implemented automated application deployment and updates.

Administered over 250 virtual and physical servers hosting Agiloft's SaaS offering and resources for internal development and QA teams. Stack consisted of MySQL, Java, Tomcat and nginx running primarily on CentOS and some Windows servers.
Administered virtualization infrastructure consisting of KVM virtual machines hosted in CentOS. Implemented gold images and procedures for rapid deployment and configuration of new servers utilizing custom scripts and Ansible.
Planned and implemented migration of production infrastructure from private cloud to AWS.
Tuned virtual servers and filesystems for performance.
Implemented application deployment and centralized AV and security software for corporate network.
Applied and enforced security best practices, designed and implemented Active Directory environment for corporate identity and access management.

Responsible for the Service and Support of production systems, end-user devices, and supporting infrastructure
Patch and update systems. Execute standard changes as managed by change control.
Provide support to vendor activities and vendor service deployment.
Respond to tickets, service requests, and alerts from monitoring systems. Monitor appropriate work queues and take action.

Technical subject matter expert in planning for software implementations and projects.
Analyzed systems and procedures for process improvements and error reduction.
Tracked system errors and investigated root causes of errors and downtimes.
Championed customer needs to Information Services organization and facilitated customers' efficient use of technology products and services.
Managed setup and maintenance of HL7 connections between Meditech 6.0 and 3rd party applications’ electronic data interfaces.

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Administered physical and virtual linux and Windows servers for QA, development and IT departments, including Hadoop Cluster on CentOS, virtualized Linux, Windows and Mac clients for QA department, and a variety of Linux and Windows server environments both virtualized and physical.
Provided IT support for onsite and remote employees.
Configured and supported Windows, OSX and Linux workstations.
Administered VMWare for office infrastructure, including Active Directory, DFS and QA desktops and servers for local and remote offices.

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Provided Tier II support to end users via phone, email, instant messaging and in person.
Deployed software to remote workstations using Symantec Ghost, PSexec and ManageEngine Desktop Central.
Planned and executed site-wide upgrades and software deployments.
Used Symantec Ghost to create and deploy standardized workstation images.
Administered in-house Linux servers (RHEL and Debian).

Provided Providence Medical Group users with hardware and software support.
Coordinated local and regional IT resources during EMR rollout and go live.
Assessed and reported support issues and requirements throughout all stages of the project.
Acted as liaison between local IT and Project staff.
Managed and supported deployment of hardware for rollout of Centricity EMR and Centricity Business.

Administered ~100 geographically distributed CentOS and Debian virtual servers hosted with OpenVZ.
Implemented and managed network monitoring services, distributed management and IT automation.
Managed server configurations and configuration deployments using cfEngine.
Migrated configuration management from cfEngine to Puppet and increased the scope to allow deployment and configuration of new servers with minimum manual intervention and configuration.

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Skills

IT Professional