Fred Dinkler IV
3109 Wynford Gables SW
Marietta, GA, 30064 |
fred4@dinkler.org
404-939-0147 |
| Linux / Infrastructure Engineer |
| OBJECTIVE: Solving problems and building solutions for Internet services with the creative, secure, and scalable application of Linux / UNIX |
| Skills: |
Experienced Linux engineer with over two decades of experience in managing Linux/Unix servers, applications, data, and networks.
Core skills:
- Management *NIX Systems Engineering in a DevOps environment
- Monitoring *NIX Systems Engineering in a high availability environment
- Prometheus
- Grafana
- Zenoss
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Security sensitive design
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Web and application server installation and configuration
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Network configuration and management.
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Design and maintenance of media intensive hosting configurations, such as video.
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Linux/Unix troubleshooting
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Web-development (HTML/PHP/CGI(PERL))
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Call Center supervisor
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Customer-facing support
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Well organized, a team player
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RHCE
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I have used a wide variety of languages, and pick up new ones quickly as needed
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Creative solutions to unique problems
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Insightful troubleshooting of complex full stack problems
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Always seeking a challenge
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EXPERIENCE:
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2011 - 2024
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Warner Bros. Discovery
(CNN, Cartoon Network, Discovery, TBS, HBO, TNT, TCM, et al.)
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Atlanta, GA
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(2022 - Current)
Warner Bros. Discovery
Global Infrastructure & Core Technologies
Senior Systems Engineer
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- Migrated and consolidated 5 data-centers and ~2000 servers from legacy to production environment.
- Consulted with application teams to consolidate application platforms.
- Ported forward legacy configuration management, or unmanaged systems to new unified Ansible repository.
- Leveraged cloud infrastructure to balance load with fewer on-prem servers.
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Maintained, grew, and re-factored Ansible to maintain central management of consistent configuration across install base
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Built, deployed, configured, patched, and maintained RHEL VMs in a vCenter cluster on demand as per business needs.
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Debugged and consulted installed Splunk clusters.
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(2020 - 2022)
WarnerMedia, a subsidiary of AT&T
Platform Infrastructure Engineering
Senior Systems Engineer
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- Consulted for the implementations of a new HashiCorp secrets vault, migrating existing installs into a unified multi-team solution
- Consolidated install base into coherent OS strategy, migrating Ubuntu, SuSE, CentOS, and others to RHEL.
- Maintained and upgraded Splunk platform, providing business critical metrics to multiple teams.
- Maintained and extended Prometheus / Grafana monitoring dashboard and associated alerting systems
- Maintained and extended installed server base with Ansible playbooks in a RedHat Ansible Tower environment.
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(2017 - 2020)
WarnerMedia
Infrastructure and Core Technologies
Senior Systems Engineer
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- Designed, built, integrated, and trained peers on the use of a HashiCorp secrets vault.
- Security SME for team and security office liaison.
- Consulted for the migration of legacy Chef and Puppet based hosting infrastructure to cloud.
- Consulted for the integration of ServiceNow discovery with HashiCorp secrets vault providing key escrow for asset scanning
- Deployed and maintained a diverse ecosystem
- Sunset diverse legacy SCM platforms (such as CVS and SVN) to GIT, migrating to split on-prem (GitLab) and cloud (GitHub) solutions.
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(2012 - 2017)
Time Warner
Platform Services
Systems Engineer II
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- Coded solutions for integration and monitoring within our platform of new technologies acquired by the business.
- Trained staff on use of new configuration management systems, such as chef, and newly integrated systems.
- Performed critical security patching (heartbleed, shellshock, et al.), as well as intrusion identification and RCA.
- Consulted for multiple departments on server configuration and deployment strategies to meet their capacity needs.
- Maintained and developed server configurations in multiple configuration management systems, such as chef and puppet.
- Managed configurations across multiple hardware and hypervisor platforms, such as VmWare, Joyent Smart Data Center, and an in-house KVM orchestrator.
- Maintained and provisioned capacity within multiple SAN environments for NFS and FC storage.
- Maintained server OS and hardware across highly diverse install base, trouble shooting performance issues with web application (tomcat, node.js, php) developers, adjusting resource allocation, and assisting with bottleneck and outage RCA.
- Data mining of disparate systems to provide centralized reports for fast analysis of new challenges.
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(2011 - 2012)
Time Warner
NOC
Systems Engineer
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- Operated Network Operation Center, responding to outage situations and systems monitoring. Coordinated responses across departments.
- Authored documentation for NOC personnel to use in responding to monitoring and service requests.
- Wrote software to assist NOC personnel in day to day operations.
- Trained NOC personnel on the practical use of new systems, and in systems administration generally.
- Provided operational feed back to departments and assisted with implementation and coordination of the result of that feed back
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2006 - 2011
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NationalNet, Inc.
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Atlanta, GA
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Senior Systems Engineer
Administrator
QA Manager
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- Maintained over 3000 mixed servers, mostly Debian Linux (LAMP), on a multi-vlan Cisco based network.
- Debugged, installed, and repaired all systems and their web applications as needed on demand.
- Debugging systems of programs over several machines in many different languages.
- Worked with several load balancing schemes, including round robin DNS, TCP/UDP hardware solutions, and caching proxy methods.
- Managed server performance in media heavy high bandwidth applications.
- Diagnosed issues with tools such as strace and tcpdump, writing scripts on the fly to parse log and diagnostic output.
- Automated recurring tasks with scripts and cron jobs.
- Worked with Programing department in the improvement and bug resolution of internal software such as ticketing and monitoring system
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