Grzegorz Dolniak (Greg)

Grzegorz (Greg) Dolniak serves as a Principal DevOps Engineer Lead at Ultra Tendency since February 2022, leading the Big Data Platform team and overseeing critical functions such as incident management, security patching, and configuration of high-availability environments. Prior to this role, Grzegorz held similar positions within Ultra Tendency Operations GmBH, where responsibilities included operating Hortonworks clusters and managing installation and migrations of CDP clusters. Grzegorz began a career in database administration, gaining expertise in PostgreSQL and MySQL at companies like Delivery Hero and Creamfinance, and holds certifications in Database Administration and Java Programming from O'Reilly School of Technology. Grzegorz has also held various roles that emphasize client relationship management and teaching, with notable international experience in China.