Robert Rędziak

• Worked as consultant on undisclosed project for one of world’s Top10 financial institutions.
• Created and improved Jenkins/Groovy based CI/CD processes,
• Solved day to day problems with locally developed financial application hosted in Kubernetes, based on Kafka and in-house developed financial framework.
• Developed and maintained various auxiliary tools written in Python and Bash.
• Used following tools in project: Kubernetes (on-prem and GKE), Kafka, Jenkins/Groovy, Helm, git, Python, Bash, Ansible, Terraform.

• Improved release management processes by implementing GitHub, a version control system for tracking changes throughout the software lifecycle.
• Maintained metrics visibility using Zabbix to create useful dashboards and monitors.
• Used tools: Ansible, Github, Zabbix, Azure, Terraform

• Responsible for automation in the Linux Tower.
• Implemented various parts of the deployment and post-provisioning process. To facilitate that, I wrote dozens of Ansible roles for configuring systems and enforcing security policies.
• Designed and maintaine an internal process for building custom Linux and Windows images for AWS deployments.
• Performed evaluation and implementation of Falcon CrowdStrike on our Linux servers, along with automated process of client enrollment and various form of reporting or clients' management based on Ansible and Python.
• Designed and maintained integration tools for internal self service patching portal.
• Was the major responsible for hardening special-purpose Linux machines.
• Provided expert guidance to juniors; prepared and conducted internal Ansible trainings.
• Worked with Ansible, Jenkins, Python and different Linux distros on a daily basis.

As a Systems Engineer in Linux/Data Center team (2011-2017):

• Designed secure, reliable and robust standards for Linux systems throughout the entire organization.
• Enhanced security measures by designing and automating an entire Linux server lifecycle: deploying Linux systems, automating distribution of security and functional updates and hardening policies using RedHat Satellite and Puppet.
• Configured, installed, and upgraded central backup, monitoring and metrics gathering systems such as Bacula, Nagios, Zabbix and identity management systems such as RedHat IDM / IPA.
• Handled scripting tasks for debugging and automation using Bash.
• Performed root cause analysis to provide resolutions for production issues for systems working in a 24/7 regime.
• Created manuals and taught training sessions to educate co-workers on new systems
• Delivered high-quality documentation and operating procedures.

As an Application Administrator (2007-2011)

• Managed banking applications based on Apache Tomcat
  and Apache httpd running in a 24/7 regime.
• Was responsible for a web based information channel, web based form application, data exchange with 3rd party financial data providers and a local monitoring system based on Nagios.
• Created and managed operational and business continuity procedures.

• Planned and managed voice infrastructure at a local cable TV
  provider.
• Maintained up-to-date documentation of VoiP systems topology, equipment inventory, and configurations.
• Administered VoiP solutions for external clients using Adescom solutions
• Administered servers supporting VoiP solutions
• Planned and implemented new VoiP solutions
• Collaborated with external vendors
• Designed and maintained an Instant Messaging system based on Jabber
• Built and maintained custom webhosting systems for external clients
• Administered an Intrusion Detection system
• Provided 2nd level technical support for external internet and IP telephony users

Netia (2004), TDC Internet (2001-2003), PDi (1999-2001) - throughout company M&A

• Responsible for web hosting systems working in a 24/7 regime.
• Managed customer and company Linux servers
• Planned and implemented local security policy.