Fred Dinkler IV 123 Luckie St NW Unit 2412 Atlanta, GA, 30303		fred4@dinkler.org 404-939-0147
Linux / Infrastructure Engineer
OBJECTIVE: Solving problems and building solutions for the Internet with the creative 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: *NIX Systems Engineering in a DevOps enviroment Web and application server installation and configuration Network configuration and management. Design and maintenance of media intensive hosting configurations, such as video. Security sensitive design Linux/Unix troubleshooting Web-development (HTML/PHP/CGI(PERL)) Call Center supervisor and technician Customer-facing support Well organized, a team player RHCE I have used a wide variety of languages, and pick up new ones quickly as needed Creative solutions to unique problems Always seeking a challenge
EXPERIENCE:	2011 - Current	WarnerMedia (CNN, Cartoon Network, TBS, HBO, TNT, TCM, et al.) a subsidiary of AT&T	Atlanta, GA
(2020 - Current) Platform Infrastructure Engineering Senior Systems Engineer	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.
(2017 - 2020) Infrastructure and Core Technologies Senior Systems Engineer	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 SSH private keys 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.
(2012 - 2017) Platform Services Systems Engineer II	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.
(2011 - 2012) NOC Systems Engineer	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
	2006 - 2011	NationalNet, Inc.	Atlanta, GA
Senior Systems Engineer Administrator QA Manager	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, 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
	2004 - 2006	Speedfactory.net Synkronus, Inc.	Marietta, GA
Systems Administrator / Help Desk Technician	Managed and maintained over a dozen systems spanning a multi-state WAN installation, including Linux servers, Cisco Routers, Windows NT/2000/2003, and other network attached devices. Managed call center personnel. Maintained and upgraded a clustered e-mail system using Q-Mail and Courier. Structured an automated backup of key systems, both local and remote. Implemented solutions for spam filtering, RADIUS authentication, and web-accessible interfaces for managing existing and newly implemented systems.
ABILITIES:
	Solutions for: MySQL / NoSQL Apache / Nginx SSH vsftpd / ProFTP Riak KS / Riak CS Tomcat qmail / postfix and more...	Languages: bash Ruby Python PHP PERL HTML	Cloud bursting / Dynamic resource allocation Load balancing for capacity and / or redundancy Web Hosting in media streaming environments Hybrid platform networks Performance tuning in a resource limited environment HTML Servers Hardware Software Remote troubleshooting / administration
EDUCATION:	Certified Engineer	RedHat Certified Engineer RHEL 5 and RHEL 6	GCA Tech, Atlanta, GA
	Undergrad Courses	Georgia Perimeter College	Dunwoody, GA
	Computer Science
	Undergrad Courses	American Intercontinental University	Atlanta, GA
	Computer Science
Relocation:	Will relocate for the right position.
Travel:	Negotiable
	References available upon request.