Marko Tesic
Results-driven IT professional with 20+ years of experience managing complex IT infrastructures, databases, and data architectures in banking and enterprise environments.
Driving Digital Transformation
A results-driven Data Architect and IT professional with extensive experience managing complex IT infrastructures and delivering high-impact projects in the banking sector and beyond.
Years Experience
Projects Delivered
Companies
Countries
Strategic Leadership
Expert in managing complex IT projects and driving business growth through technical excellence.
Data Architecture
Specialized in Big Data, AI, LLM implementations, data modeling, and analytical processes.
Team Development
Proven ability to build, mentor, and lead high-performing technical teams.
Global Experience
International experience across Germany, UK, Austria, and Serbia in banking and enterprise sectors.
Professional Experience
Two decades of driving innovation and excellence across global enterprises in datacentre operations, data architecture, and IT infrastructure.
Datacentre Operational Manager
IB-IT Datacentre GmbH
- Manage and delegate workflow to maximize productivity across datacentre operations
- Develop project work plans, resource planning, and implement process improvements
- Accountable for workload scheduling, project execution, and delivery within budget
- Build and expand relationships with key enterprise clients
- Actively coach and mentor team members for growth and success
Business Analyst
TeMa Solutions
- Served clients including National Bank of Serbia, Julius Berger PLC, and Pradov Switzerland
- Led high-performance computing using Snowflake, Databricks, PostgreSQL, and Hadoop
- Implemented AI Large Language Models and vector database stores for ML applications
- Developed complex ETL solutions with focus on optimal performance
- Executed POCs to evaluate emerging data technologies and methods
Business Analyst
Mozzart d.o.o.
- Designed business intelligence solutions and data warehouses
- Administered Sybase IQ 15.x databases and Hadoop environments
- Handled real-time matching of master records at large data volumes
Consultant
Capgemini
- Provided guidance on infrastructure implementation technologies
- Established procedures for business continuity and disaster recovery
- Resolved critical business-wide incidents impacting service delivery
IT Manager
S-Leasing
- Reduced TCO and enhanced departmental efficiency
- Oversaw data migration from legacy systems for business-critical projects
- Implemented clustering for MS SQL Server and Exchange Server 2003
Skills & Certifications
Comprehensive expertise across data technologies, cloud infrastructure, and enterprise systems, backed by industry-recognized certifications.
Data Technologies
Cloud & Infrastructure
AI & Machine Learning
Programming & Development
Project Management
Enterprise Systems
Industry Certifications
Education & Certifications
BSc Degree in Computer Science and Business Management
Business Management University
Major: Business Application Programming
Minors:
Professional Certifications
AWS: Data Engineer
Cloud
Microsoft Certified: Azure AI Engineer
AI/ML
Microsoft Certified: Azure Data Engineer
Data
ITIL v3: Foundation
Management
Microsoft Lecturer: Windows 2008, Hyper-V, HA, DR
Infrastructure
Microsoft: MCITP Enterprise, MCTS, Virtualisation Admin
Enterprise
Cisco: CCNA
Networking
Let's Connect
Interested in discussing datacentre operations, infrastructure projects, or career opportunities? Feel free to reach out.