Tomasz Duniec
@tomaszduniec
Lead DevOps Engineer with expertise in cloud infrastructure and automation.
What I'm looking for
I am a Lead DevOps Engineer currently working at Rackspace Technology, where I help customers build robust software development pipelines and manage their infrastructure on AWS. My role involves leading the implementation of Backstage.io Developer Portal and executing infrastructure projects using Terraform, ensuring seamless operations for one of the world's leading trading customers.
Previously, I served as a DevOps Team Lead at T-Mobile Polska, where I fostered a culture of knowledge sharing and experimentation among my team. My experience spans across various roles, including Technical Lead and System Architect, where I have successfully implemented zero downtime deployments and enhanced code delivery pipelines. I am passionate about leveraging my technical skills to solve complex problems and drive innovation in cloud environments.
Experience
Work history, roles, and key accomplishments
Lead DevOps Consultant
Rackspace Technology
Jan 2022 - Present (3 years 5 months)
Led the Elastic Engineering+ team as a Lead DevOps Engineer, assisting customers in building software development pipelines and managing AWS infrastructure for a leading trading client. Spearheaded the setup and configuration of Backstage.io Developer Portal, including permissions, security, and operationalization via platform engineering. Contributed to the AWS MAP Programme, focusing on migratio
DevOps Team Lead
T-Mobile Polska S.A.
Jan 2021 - Dec 2021 (11 months)
Led a chapter of DevOps engineers, fostering a culture of knowledge sharing and experimentation. Collaborated on the DUNIEC Kubernetes and microservices environment, utilizing Java, Python, Docker, REST, CI/CD, and automated testing. Achieved zero downtime deployments and on-demand code delivery, enhancing the development pipeline.
Contact Development Team Lead
T-Mobile Polska S.A.
Nov 2019 - Dec 2020 (1 year 1 month)
Served as Chief Architect for multiple FTTH partner integrations, leveraging microservice architecture and private cloud. Built and facilitated a team of over 10 Software Engineers. Provided system solutions based on REST/SOAP, Event Driven Architecture, and Microservices in partner delivery.
System Architect - ITIL Change Manager
T-Mobile Polska S.A.
Jan 2018 - Oct 2019 (1 year 9 months)
Acted as Architect, System Owner, and Change Manager for ITIL processes. Performed system analysis and designed solutions for Mobile Number Portability System. Managed Wholesale delivery systems connected with strategic partners.
Monitoring Specialist
T-Mobile Polska S.A.
Sep 2016 - Dec 2017 (1 year 3 months)
Operated as an Event Management Operator, supervising and monitoring the company's computer infrastructure. Coordinated repair plans during failure cases, working closely to restore critical service availability. Performed duties on a 24/7 schedule.
Education
Degrees, certifications, and relevant coursework
Warsaw University of Technology
Engineering Degree, Transport Telecommunication - FTTH Services Implementation
Activities and societies: Selected in retention program for employees with strategical impact and knowledge for T-Mobile (participation in 2020-2021). Awarded Magenta Diamond Prize for the best project Galaxy Transport Telecommunication - FTTH Services Implementation for T-Mobile.
Completed an Engineering Degree with a specialization in Transport Telecommunication. Gained expertise in FTTH services implementation and related telecommunication network technologies.
Tomasz Zan High School in Pruszków
High School Diploma, General Studies
Activities and societies: Awarded for work done and attitude during Annopol Data Center Disaster (1 of 82 prizes).
Obtained a High School Diploma. Developed foundational academic skills across a broad curriculum.
Warsaw University of Technology
Master Degree, Railway Traffic Management
Activities and societies: Awarded Magenta Diamond Prize for the best project in category Value Creation (Highest Prize/Core Team).
Pursued a Master's Degree in Railway Traffic Management. Focused on advanced concepts in transportation systems, operational optimization, and project management within the railway sector.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Skills
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