Mariusz Zieliński
Warszawa
Summary
Strategic-thinking individual experienced in turning low-performing organizations into top revenue producers. Offering engaging and pleasant personality with expertise improving customer relationships. Strong leader and problem-solver dedicated to streamlining operations to decrease costs and promote organizational efficiency. Uses independent decision-making skills and sound judgment to positively impact company success.
Overview
2017
2017
years of professional experience
6
6
years of post-secondary education
6
6
Certifications
Work History
Director of IT Systems
PGNiG Obrót Detaliczny Sp. z o.o.
5 2016 - 9 2024
- Led CRM and Billing systems integration, enhancing operational efficiency for millions of clients
- Built and recruited a team of analysts and developers to support IT transformation projects
- Implemented developer tools for DevOps teams and code repository systems
- Delivered automatic communication tools for supplier-distributor relations
Service Delivery Manager
Fujitsu Technology Solutions Sp. z o.o.
05.2015 - 04.2016
- Managed client relationships with CRH and Schneider Electric
- Supervised service delivery teams, maintaining high-quality standards
Strategic Projects Manager
Polska Wytwórnia Papierów Wartościowych S.A.
09.2010 - 04.2015
- Spearheaded strategic projects including digitalization for governmental clients
- Managed system modernization projects for various government agencies
Education
M.Sc. - Telecommunications
Politechnika Wrocławska
01.1991 - 01.1997
Skills
IT governance and strategic planning
Project management and leadership
CRM
Billing Systems
Team management and recruitment
Cloud solutions
On-premises solutions
Microsoft Net
SQL
Dapper
ITIL
Prince2
ISTQB
Websites
Certification
CompTIA A+
Training
- Public Procurement Law for bidders – practical problems and case law.
- Deadlines in public tenders.
- Software development tools training: GitHub, Redmine, Jira.
- Containers and Microservices training: Docker, Kubernetes, Rabbit-MQ, MassTransit.
- Billing Systems integration and optimization with MS Dynamics and Oracle.
Timeline
Service Delivery Manager
Fujitsu Technology Solutions Sp. z o.o.
05.2015 - 04.2016
Strategic Projects Manager
Polska Wytwórnia Papierów Wartościowych S.A.
09.2010 - 04.2015
M.Sc. - Telecommunications
Politechnika Wrocławska
01.1991 - 01.1997
Director of IT Systems
PGNiG Obrót Detaliczny Sp. z o.o.
5 2016 - 9 2024
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