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Ștefan R. has a diverse work experience in the IT industry spanning over 15 years. Ștefan started their career at ITNT, where they worked as a Software Editor before transitioning to the role of Web Developer, contributing mostly to PHP backend development. Ștefan then took on the role of Systems Administrator, where they designed and migrated the web infrastructure to AWS for the company. As Head of Engineering, they were responsible for technical decision-making and procurement, as well as maintaining the web infrastructure.

In 2015, Ștefan joined Anatwine as a DevOps Engineer. During their tenure, they worked on various projects involving AWS automation using CloudFormation, Chef, Docker, and Ruby. Ștefan developed an automation framework for CloudFormation, implemented a Virtual Private Cloud architecture, and utilized various tools and technologies for deployment, monitoring, and security. Ștefan also built a distributed Active Directory infrastructure and implemented WPA2 Enterprise authentication.

In 2018, Ștefan joined Okta, initially as a Managed Services Engineer. Ștefan then transitioned to the role of Senior DevOps and Security Engineer, where they played a key role in building, orchestrating, and securing Auth0's Private Cloud product for enterprise customers. Ștefan also worked on a greenfield project to implement a key management and encryption system for Okta's Customer Identity Cloud. Ștefan focused on solving security issues at the architectural level, particularly in cryptography and secrets management.

Most recently, Ștefan joined Loctax as a Senior DevOps Engineer. Ștefan is actively involved in the process of obtaining ISO 27001:2022 certification for the company and acts as the IT Manager in the context of ISMS/ISO 27001. Ștefan has implemented security controls to maintain compliance with ISO 27001 tests, leveraging the Vanta platform.

Overall, Ștefan's work experience showcases their expertise in various aspects of IT, including DevOps, cloud infrastructure, security, automation, and architecture design.

Ștefan R. completed their Bachelor of Science degree in Mathematics and Computer Science from Universitatea "Lucian Blaga" Sibiu from 2003 to 2007. Ștefan then pursued further education and obtained a Master of Science degree in Mathematics and Computer Science from the same university from 2007 to 2009.

In terms of additional certifications, they obtained the "Learning Threat Modeling for Security Professionals" certification from LinkedIn in March 2020. Ștefan also holds the "Offensive Security Wireless Professional" certification and the "Offensive Security Certified Professional" certification, both obtained from Offensive Security Ltd. in October 2014 and November 2013 respectively.