Summary
Overview
Work History
Education
Skills
References
Timeline
Generic

Sean Fiedler

Port Alberni,BC

Summary

Dynamic Site Reliability Engineer with a proven track record at PrecisionOS, excelling in cloud infrastructure and incident management. Achieved over 30% cost reduction through strategic optimization and enhanced performance metrics. A collaborative mentor, adept at fostering team growth while implementing automated processes to ensure platform reliability and operational excellence.

Overview

22
22
years of professional experience

Work History

Site Reliability Engineer

PrecisionOS
02.2022 - 02.2025
  • Conducted routine maintenance on Windows and Linux servers to address patching and security vulnerabilities.
  • Provided technical guidance on the design, implementation, and maintenance of cloud infrastructure.
  • Enhanced matchmaking services' horizontal scaling through implementation of Azure Virtual Machine scale sets.
  • Integrated load balancing and application gateways in Azure to improve infrastructure performance.
  • Performed capacity planning activities based on current usage trends and future projections.
  • Participated in post-mortem reviews following major outages or incidents.
  • Researched and evaluated new technologies to enhance platform reliability and stability.
  • Executed Azure cost optimization strategies, reducing overall cloud operation expenses.
  • Established On Call process with OpsGenie to boost incident response times and uptime.
  • Conducted regular reviews of alerts generated by monitoring tools to identify potential issues.
  • Maintained in-house CI/CD build system for Unreal Engine, supporting development activities.
  • Prepared detailed reports on project progress and presented findings to senior management.

Operations Development Manager (DevOps)

Infor
02.2020 - 08.2021
  • Led project to rebuild Development and QA environments, bridging gap between development and production.
  • Collaborated with QA to define scope of test environments, streamlining release times by separating testing types.
  • Managed agile processes and priorities for diverse teams, including DevOps Engineers and Cloud Engineers.
  • Mentored Intermediate and Junior engineers to enhance career growth and technical skills.

Senior Cloud Engineer - Team Lead

Infor
11.2018 - 01.2020
  • Led a small team to manage multiple cloud applications as DevOps team lead.
  • Optimized legacy applications by enhancing performance metrics and applying best practices.
  • Executed project updating Oracle JDK 8 to OpenJDK 8 for all Java applications.
  • Collaborated with development team to resolve bottlenecks in Terabyte Microsoft SQL Reporting databases.
  • Created development environment for PingFederate, assisting in SAML integration rewrite.
  • Designed clustered PingFederate server in production, ensuring failover and high availability.

Operations Engineer

BestBuy Canada
05.2018 - 10.2018
  • Managed daily deployments for frontend components of one of Canada's top websites.
  • Collaborated with development team to identify and resolve key performance issues.
  • Administered content delivery networks to enhance performance across Canada.
  • Created OpenShift pipelines, reducing build times significantly.
  • Participated in agile implementation involving multiple large teams.
  • Oversaw various services in Azure for frontend application operational efficiency.

Senior Systems Engineer

Vivonet
01.2015 - 05.2018
  • Rebuilt all servers in AWS using Chef to ensure consistency across environments.
  • Reduced monthly costs by over 30% through effective use of product knowledge and AWS services.
  • Implemented Zabbix and Grafana to deliver actionable insights for the development team.
  • Standardized monitoring processes for systems, containers, and applications.
  • Managed software deployments within AWS environment to streamline operations.
  • Cross-trained team members to enhance skills and support career growth.
  • Led development of a fully tested Disaster Recovery plan with automated processes.
  • Established a monthly patching cycle utilizing agile testing practices for improved security.

Systems Administrator

Vivonet
11.2009 - 12.2015
  • Administered Exchange 2003 and upgraded the infrastructure to Exchange 2010.
  • Managed Windows 2003 and 2008 Domains.
  • Implemented WSUS Server to manage Windows updates for servers and clients.
  • Deployed VMware 4 stack to replace the existing server farm.
  • Collaborated with a small team to upgrade Oracle file system to NFS on a Sun Storage 7420.
  • Deployed and managed over 200 Windows/Linux VMware instances.
  • Created automated processes for managing Windows and Linux systems.
  • Administered Nagios and Cacti for monitoring.
  • Managed SonicWALL, Juniper, and Cisco firewalls.
  • Troubleshooted printers, networking issues, with Windows and MacOS in a corporate environment.
  • Built a QA Environment using Amazon EC2 for easy deployment and load testing.

Tier 2 Technical Support

Vivonet
12.2007 - 10.2009
  • Provided phone and email support for Point of Sale (POS) SaaS software.
  • Supported and deployed POS software.
  • Monitored and troubleshooted server-side custom internet-based database syncing software.
  • Created documentation and trained co-workers.
  • Implemented and supported Kaseya for remote access to over 2,000 Windows POS Systems.

Tier 2 Technical Support

Autoprise
04.2005 - 12.2007
  • Provided phone and email support for automotive repair management software.
  • Supported and deployed IIS and SQL 2000 applications.
  • Conducted accounting troubleshooting.
  • Collaborated with the development team on escalations and priorities.
  • Awarded Employee of the Year for maintaining helpdesk operations and improving customer relations.
  • Created documentation and trained new employees.

Technical/Customer Support

NCO
08.2003 - 02.2005
  • Provided phone and email support for MSN TV.
  • Performed network troubleshooting.
  • Created templates for email responses with automated hotkey support.
  • Led the email support team as Team Lead.
  • Developed training materials, documented processes, and collaborated with co-workers to enhance their knowledge.

Education

Networking Diploma -

CDI College of Abbotsford
Abbotsford
01-2003

Skills

  • Cloud infrastructure
  • Incident management
  • Capacity planning
  • Cost optimization
  • Load balancing
  • Agile methodologies
  • Team collaboration
  • Monitoring tools
  • Technical documentation
  • Performance tuning
  • Problem solving
  • Employee mentoring
  • Cross-functional team collaboration
  • Automated processes
  • Reliability
  • Adaptability and flexibility

References

References available upon request.

Timeline

Site Reliability Engineer

PrecisionOS
02.2022 - 02.2025

Operations Development Manager (DevOps)

Infor
02.2020 - 08.2021

Senior Cloud Engineer - Team Lead

Infor
11.2018 - 01.2020

Operations Engineer

BestBuy Canada
05.2018 - 10.2018

Senior Systems Engineer

Vivonet
01.2015 - 05.2018

Systems Administrator

Vivonet
11.2009 - 12.2015

Tier 2 Technical Support

Vivonet
12.2007 - 10.2009

Tier 2 Technical Support

Autoprise
04.2005 - 12.2007

Technical/Customer Support

NCO
08.2003 - 02.2005

Networking Diploma -

CDI College of Abbotsford

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Sean Fiedler