Christopher Markieta

Christopher markieta

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location of Christopher MarkietaToronto, Ontario, Canada
Followers of Christopher Markieta868 followers
  • Timeline

  • About me

    Cloud Platform Security Engineer

  • Education

    • Seneca college of applied arts and technology

      2012 - 2015
      Ontario college advanced diploma computer programming and analysis
    • University of toronto

      2010 - 2011
      Electrical & computer engineering
  • Experience

    • Niagara falls tourism

      Aug 2008 - Aug 2011
      Reservation manager

      • Book tours for attractions in Toronto and Niagara Falls• Communicate with external clients for advertisement space on website• Write daily articles to promote touring business on website

    • Loblaw companies limited

      Jul 2010 - Oct 2010
      Cashier

      • Handle exchange of money, bag groceries, and restock goods• Assist customers with purchases, inquiries, and disputes

    • Skiis & biikes

      Sept 2011 - Nov 2011
      Service mechanic

      • Tune, mount, and prepare skis and bikes utilizing a work order system• Receive, diagnose and return customer equipment in a timely manner

    • Hudson's bay company

      Dec 2011 - Dec 2011
      Holiday helper

      • Ensure clothing is at optimum stock levels throughout the store• Assist customers with directions to different products and facilities

    • Canada's wonderland

      May 2012 - Oct 2012
      Ride operator

      • Assume control for safe operation of rides for guests and employees• Load and unload guests in a safe and hospitable manner• Ensure compliance with governmental ride regulations

    • Seneca's centre for development of open technology (cdot)

      Sept 2013 - Jan 2016
      Linux system administrator

      • Develop libraries for aviation courses on edX online learning platform• Develop iOS early warning system for emergency responders• Implement Twisted Python network socket server and protocol• Develop GUI map editor for database modifications using Mapbox• Provision bare-metal IPMI systems under OpenStack control• Debug new versions of Pidora (Fedora Remix) on the Raspberry Pi• Improve network infrastructure and storage/battery backup system• Build specialized Fedora ARMv7 Cloud images for package builders• Automate rebuild of multiple source RPMs• Monitor and maintain storage capacity over the network• Automate repository closure to report package dependencies required• Collaborate on network backup of file servers and web servers• Facilitate Raspberry Pi workshops for teachers and children• Present at the Free Software and Open Source Symposium annually Show less

    • Oerp canada

      Mar 2016 - May 2017
      Linux system administrator

      • Write server preparation tasks using (R)?ex automation framework• Configure Unified Threat Management dedicated network firewalls• Create two-factor authentication page to eliminate brute force attacks• Implement encrypted incremental backups using Duplicity and Rsync• Automate FTPS/SSH jail access for developers via vsftpd/OpenSSH• Automate cloning of WordPress databases and filestores• Develop Odoo module for scheduling PostgreSQL duplication• Research NGINX and PHP-FPM optimizations for speed and security• Administer self-signed SAN, wildcard, and Let's Encrypt certificates• Develop shipment tracker and estimator for alohaaircargo.com• Migrate alohaaircargo.com from Drupal to WordPress• Investigate infrastructure downtime and communicate with clients• Monitor resources and web availability using Zabbix and netdata Show less

    • Seneca college

      Jan 2017 - Aug 2018
      Professor

      • Teach Linux, Open System Servers, and Web Programming Principles• Evaluate student progress and design, revise, and update courses

    • Arctiq

      Sept 2018 - Jul 2022
      Devops consultant

      • Lead, architect, and deliver services to several international clients• Architect and build Anthos clusters on VMware, AWS, and bare metal• Containerize Linux and Windows VMs using Migrate for Anthos• Develop Tekton pipelines with Google for Migrate for Anthos at scale• Utilize Anthos Config Management for GitOps-based configs/policies• Utilize Anthos Service Mesh (Istio) across clusters in various clouds• Maintain GKE (private), Shared VPCs, and IAM using Project Factory• Consult on using Kf for Cloud Foundry users to adopt declarative K8s• Integrate F5 BIG-IP LTM with Kubernetes using K8s controller• Manage VMware vSphere/vCenter and RHV for Kubernetes clusters• Evaluate cluster usage/allocation and prescribe ResourceQuota sizes• Create custom dashboards and alerts using Prometheus and Grafana• Provision/configure OpenShift using Ansible Tower Jobs/Workflows• Provision infra in GCP, AWS, and Azure using Terraform and Ansible• Leverage Azure DevOps Pipelines with GKE over Cloud Interconnect• Consult on Terraform Enterprise organizations, workers, and Sentinel• Leverage HashiCorp Vault for multi-cluster secrets management• Build and deploy apps using Argo, Cloud Build, Tekton, and Jenkins• Integrate Sysdig, Portworx, NetApp, Splunk, and Dynatrace with K8s• Consult on Content View best practices using Satellite with RHEL• Become a Certified Professional Cloud Architect and Data Engineer• Present at numerous workshops, partner events, and meetups• Assist with PM, scheduling, task delegation, pre-sales, and hiring Show less

    • Verticalscope inc.

      Jul 2022 - now
      Cloud platform security engineer
  • Licenses & Certifications

  • Honors & Awards

    • Awarded to Christopher Markieta
      Honors in Computer Programming and Analysis - Aug 2015
    • Awarded to Christopher Markieta
      Queen Elizabeth II Scholarship - Sep 2010
  • Volunteer Experience

    • Computer Lab Preparation

      Issued by Archbishop Romero Catholic Secondary School on Jan 2009
      Archbishop Romero Catholic Secondary SchoolAssociated with Christopher Markieta
    • Parent-Teacher Interviews Steward

      Issued by Archbishop Romero Catholic Secondary School on Jan 2009
      Archbishop Romero Catholic Secondary SchoolAssociated with Christopher Markieta
    • Tutoring

      Issued by Archbishop Romero Catholic Secondary School on Jan 2008
      Archbishop Romero Catholic Secondary SchoolAssociated with Christopher Markieta
    • Open House Organizer

      Issued by Archbishop Romero Catholic Secondary School on Jan 2007
      Archbishop Romero Catholic Secondary SchoolAssociated with Christopher Markieta
    • Debate Tournament

      Issued by Archbishop Romero Catholic Secondary School on Jan 2008
      Archbishop Romero Catholic Secondary SchoolAssociated with Christopher Markieta