Resume

Ronald Chmara

phone: 412-267-7377 email: ronabopwork@gmail.com

Objective

Seeking opportunities to leverage my extensive technical expertise, management skills, and problem-solving abilities to contribute value and drive growth for organizations.

Technical Summary:

• 30+ years of professional software engineering, scripting, application development, systems, and network experience

• Experienced with architecting, design, authoring and maintenance of object oriented programming as well as procedural, functional,  and DSL code bases

• Comfortable with Agile, Waterfall, XP, TDD, and ad-hoc/custom development methods

• Experience with version control, ticketing, and QA tools, including SVN, Git, Mantis, Trac, Bugzilla, Unfuddle, Pivotal, Zendesk, and JIRA

• Experience with automated deployment, virtualization, and tools such as Puppet, Chef,  Ansible, Terraform,  Xen, VMWare, Docker/k8s, to rapidly build out systems and clouds

• Expertise with web security practices, server security practices, network security practices

• Work with diverse DBMS's, including MySQL/MariaDB, PostgreSQL, Oracle, as well as backend Hadoop/HDP data pools

• Work with diverse operating system families, including Linux, BSD, Solaris, MacOS, Windows

• Strong communication skills (verbal and written), managing time-on-task, documenting, tracking ongoing results, and working in a team environment; sharing knowledge with other team members

Areas Of Expertise

Technical and systems support, integration, and architecture in multi-platform, data intensive, environments

Enterprise web application design, programming, and release cycle automation

Multiplatform (hetrogenous) computer systems administration

Diagnosis and troubleshooting of complex hardware and software problems

Web platform enterprise/global scaling and complex troubleshooting

Creating and instituting automated, efficient, testing, development, and QA environments and workflows

General Range of Accomplishments

• Set up, administered, mastered and maintained a diverse range of operating systems, work flows, processes, computer hardware setups, multiple network protocols, for millions of users, in a variety of knowledge domains. (See: software and hardware and coding philosophy and examples)

Experience

11/2021-2/2024: Spree3D/SpreeAI, a virtual fashion company

Senior SecOps Engineer

• Spearheaded SecOps and engineering support for global operations, enhancing security and stability.

• Designed and implemented systems hardening procedures for EC2 and Kubernetes environments.

• Led code compliance, scanning, and reporting systems to maintain high security standards.

• Managed AuthZ/AuthN systems (SAML, OIDC) for enhanced access control.

• Coordinated with external security services vendors for comprehensive protection.

• Built and executed DevOps and SecOps workflows using AWS, Terraform, Ansible, and more.

• Assumed interim management responsibilities during periods of executive and managerial transitions.

Working stack: AWS, Terraform, Ansible, Ubuntu, Nginx, Jenkins,  Circle CI, Github, Perforce, Okta, Artifactory

03/2017-11/2021: Oracle

Senior Principal Software Engineer, Development Operations 

• Designed and built code compliance, scanning, and reporting systems for enhancing security and stability

• Led DevOps and support for global applications teams, ensuring seamless operations.

• Debugged and maintained Oracle Cloud/Chef/Docker systems, optimizing system builds.

• Streamlined release systems management for Artifactory, Jenkins, Chef, and Rundeck.

• Designed and implemented workflow automation for a diverse tech stack, including Java, Nodejs/Typescript, Ruby, Scala, and Python.

• Developed a global artifact management system to enhance efficiency.

Working stack: Oracle OCI, Chef, Oracle Linux, Nginx, Apache, Tomcat. Jenkins,  Artifactory, Rundeck, Ruby,  Java,, NodeJS/Typescript, Scala, Github, Gitlab.

03/2015-03/2017: Webtrends, a marketing metrics company

Senior Systems Engineer

• Internal DevOps and support for programming and operations teams

• Debugged and maintained VMWare/Chef, Docker systems builds

• Structured release process to manage ~160 builds with ~20 targets across Linux and Ubuntu deployments 

• Took lead on Deployability group to have centralized DevOps related process management for ~100 developers

Working stack: Cobbler, Chef, Ubuntu/Win2K, Nginx, Apache, Tomcat. Jenkins, Teamcity, Artifactory, Rundeck, Ruby, Java, Javascript, GitHUb Enterprise, AWS, VMWare, Openstack

04/2014-10/2014: Renewable Funding , a green industry financial platform company 

DevOps/Release Engineer

• Spearheaded internal DevOps and support for the programming team, ensuring smooth operations.

• Debugged and maintained PXE and Puppet systems builds, optimizing system performance.

• Streamlined and improved the release process, increasing product turnaround times from one deploy a week to ten deploys in a day.

• Led the effort to document tribal knowledge into repeatable, scriptable routines, enhancing team efficiency.

Working stack: Cobbler/PXE, CentOS, Nginx, Thin, Ruby, Git, AWS, Puppet

07/2013-09/2013: Appfog.com, a multiple data center, and numerous applications (400K+ apps, 100K+ devs), cloud company.

Contract Devops Engineer

• Responsible for maintaining and building linux app nodes, service nodes, SSL termination nodes

• Rode support queue to co-ordinate issues among disparate teams

• Debugged and maintained build-out images and deployment scripts across multiple cloud vendor platforms

Working stack: Ubuntu, Apache, PHP, Ruby, Node, Java, Git, CloudFoundry, AWS, Chef

06/2012-05/2013: Agilyx, a plastics recycling engineering company

Contract SQL Applications Engineer

• Responsible for maintaining and building linux systems, reporting applications, DB systems

• Maintained SCADA-to-centralized-data reporting workflow to handle severe amounts of data processing

• Implemented standardizedsystems build scripts, version tracking, machine management

• Rescued near-abandoned codebase and and created public release in <3 months, with releases every 2 months after

Working stack: SLES (SUSE Linux Enterprise Server), Apache, PHP,MySQL, SVN, AutoDesk Vault, Virtualbox

02/2012-05/2012: careinnovations.com, a GE/Intel health products company

Contract Systems Programming

• Responsible for systems builds

• Managed systems for daily compiles and builds, wikis, and QA testing platforms

Working stack: Arch Linux, Apache, Tomcat, Jenkins, Java, PHP, Android, Mediawiki, MySQL

02/2011-02/2012: getclicky.com, an internet analytics company

Contract Systems Programming

• Implemented and maintained numerous metrics and tracking systems

• Assisted on build-out for new systems architecture for auto-imaging, testing, virtualization, testing, and deployment

• Ran numerous testing setups to ensure smooth scaling (across ~430,000 websites of continuous data) for new features

Working stack: Debian, KVM, OpenVZ, Zabbix, Nagios, PXE, PHP, Perl, bash, Apache, nginx, MySQL, pivotal, qmail

03/2009-01/2011: G5platform.com, an internet and offline marketing company

Contract Software Engineer

• Implemented and maintained company-wide documentation, bringing together numerous existing systems into a single, central, mediawiki-based system.

• Created automated web ranking systems to instantly provide and analyze data spanning 3,000 URL's, replacing 640 man hours per quarter with instant results.

• Created ad-hoc scripts for multiple departments to reduce/eliminate manual data entry, analysis, and lookups, saving tens to hundreds of hours (depending on script) per quarter.

Working stack: Debian, Ubuntu, Xen, Nagios, Apache, nginx, Perl, PHP, ruby, bash, MySQL, sendmail

06/2006-02/2009: Promopeddler.com, a promotional products sales/distribution company

Senior Web Developer, QA Manager, Systems Administration, Networking

• Architected multiple fully redundant, fault tolerant server and network systems that reduced downtime. We reduced 20 days a year of unscheduled downtime to 0.08 seconds of transparent fail over (no "user experienced" downtime, using mod_proxy, drbd, and concurrent networks) a month, recovering an estimated $1,600,000 (per year) in previously lost sales and productivity, using a $200,000 budget.

• Managed code/bug/feature review for refactoring a 12 developer, constantly re-patched, E-commerce solution into a modern, scalable, custom work flow (a ground-up rebuild).

• Implemented code tracking, task tracking, bug tracking, system monitoring, procedure and documentation systems.

• Refactored and tuned a 7-day PHP/bash data load process (for a 300K+ item catalog) into a 3 hour PHP/bash job.

Working stack: RHEL, CentOS, Xen, Nagios, PHP, Perl, bash, Apache, PostgreSQL, MySQL, sendmail, DRBD. RHN/Satellite

11/2001-06/2006: Ronin Professional Consulting L.L.C. , an IT consulting company, targeting directories, graphics industries, franchising companies, national/infrastructure security, networking

Systems Administration, Security Research, Web Developer, DBA, Consultant

• Member of a 24/7 "Zero-Day" solutions team, to find, research, profile, and (if feasible) detect all new major computer security network-related risks that threatened national, corporate, or other major assets and infrastructure, providing research results, and detection solutions, within a 24-hour sliding window of threat notification.

• Designed and implemented directory system encompassing 200+ offices, 30K+ users, with A/B testing for different solutions.

• Created meta-cart system to replace numerous ad-hoc cart systems, with non-sophisticated user input interfaces for non-expert users to manage their cart systems.

• Led a small team of employees for an IT migration of both core, and edge, systems in a 3-day window, for a multi-site corporation, from Tucson, AZ to Salt Lake City, UT, with up to 24 hours of maximum allowed downtime, 8 hours was the final downtime result.

• Transitioned companies (as needed) from blind-write databases to ACID-compliant database systems.

Working stack: RHEL, CentOS, Debian, Slackware, FreeBSD, Solaris, SunOS, IOS, openldap, Nagios, PHP, Perl, bash, Apache, PostgreSQL, MySQL, sendmail, qmail, postfix, Snort, Nessus, etc.