Allen S.

Experience

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  Grand Valley State University

  Aug 2004 - Apr 2007

  Concert Recorder/Editor

  Record and edit concerts for music department.

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  Grand Valley State University

  Aug 2007 - Aug 2008

  Student Technician

  Provided user support for Windows and Mac lab environments Responsible for audio/visual setups for university presentations, using troubleshooting skills when things did not go as planned.Maintained inventory, kept printers stocked and changed ink cartridges, and made regular rounds to ensure client satisfaction.

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  Clear Vision

  Jul 2008 - Aug 2008

  1st Assistant Camera
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  Frobro Films

  Sept 2008 - Oct 2008

  Grip/Electric

  Set up lights and rigging equipment on "Deadheads" feature film.

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  Wayne State University

  Sept 2009 - Apr 2011

  Computer Lab Assistant

   Assisted university language instructors in the selection and utilization of audio/visual classroom technology. Managed equipment and lab reservations, keeping track of equipment reservations through Filemaker database and lab reservations through iCalendar.  Oversaw faculty and student computer labs, giving assistance as needed and monitoring computer and printer use to prevent abuse.  Troubleshoot hardware, software, cabling, and internet issues in computer lab and on mobile projector/laptop carts. Digital media duplication between a variety of formats. Assisted faculty with use of video and audio editing software. Show less

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  Stefanini TechTeam

  Jun 2010 - Oct 2011

  Help Desk Coordinator

  • Troubleshoot registers, peripherals, servers, cabling, and back office management software for Dunkin Donuts restaurants nation-wide.• Handled email escalation from the Dunkin corporate complaint desk• Worked level 2 cases and assisted level 1 agents towards resolution.• Exceptional service with a strong monitoring and ticket audit record.• Creation and editing of numerous Knowledge Articles

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  McKesson

  Nov 2011 - Feb 2016

  Help Desk Coordinator

  Provide technical support for three different pharmacy Point of Sale systems.• Take inbound help desk calls as well as make outbound level 2 callbacks.• Consistent top performer in monthly "Voice of the Customer" surveys.• Led knowledge initiative and training of remote office on new product.• Collaborated with software developers to determine issue resolution.• Took charge of initiative to migrate customers from dial up to SFTP

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  Secure-24

  Jun 2016 - Mar 2019

  • Integrated Operations Center Analyst

    Sept 2018 - Mar 2019

  • Technical Support Representative

    Jun 2016 - Sept 2018
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  NTT DATA, Inc.

  Mar 2019 - Dec 2024

  Unix/Linux Systems Engineer

  - Manage and administer Linux VMs running RHEL, SUSE, Ubuntu, and Oracle Linux (OEL) for enterprise applications (SAP, Oracle ERP).- Perform Leapp upgrades from RHEL-7 to RHEL-8, ensuring minimal downtime and smooth transitions during migrations.- Automate patching and configuration management using Python, Puppet, and Ansible to optimize infrastructure performance.- Deploy and manage Kubernetes clusters using Mirantis Kubernetes Engine (MKE) and Rancher for container orchestration, leveraging Docker for microservices.- Administer virtualization environments in VMware vSphere, and manage cloud infrastructure in Azure and AWS.- Lead disaster recovery efforts with Rubrik and Azure, including live and bubble DR tests for business continuity.- Manage CI/CD pipelines and version control through GitLab, submitting patches for Puppet modules and maintaining Git repositories for configuration changes.- Administer Satellite, SUSE Manager, and Spacewalk for Linux system patching, subscription management, and channel management.- Troubleshoot and resolve Linux system issues, focusing on patching errors, subscription conflicts, and configuration management.- Configure and maintain SMTP Postfix relays for email services, and manage identity and authentication systems with FreeIPA and openLDAP.- Ensure cluster high availability using Pacemaker and Corosync (PCS) for mission-critical applications.- Monitor and respond to security incidents, collaborating with security teams for remediation and policy enforcement.- Implement and manage DNS, networking services, and firewall configurations to ensure secure, reliable infrastructure operations.- RHCSA-certified Linux professional with strong expertise in automation, infrastructure management, and system optimization. Show less

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  Denovo Ventures LLC

  Dec 2024 - now

  Senior Unix/Linux Engineer