Mateo Huzejrović - Freelancer

Graz, Austria

Experience

Jul 2025 - Sep 2025

3 months

Vienna, Austria

User management and assignment of authorizations in SAP systems and connected systems
Handling user requests via the ticket system
Support in Identity and Access Management (IAM) and involvement in designing business roles
Actively supporting customers with incidents and requests related to SAP authorizations
Data preparation for audits and reviews
Interface between customers, business units, developers and test management

Jan 2025 - Present

1 year 1 month

Schnackenburg, Germany

Provisioning and preparation of PCs, laptops and mobile devices (Windows 11, Android, iOS)
Re-imaging and repurposing of older devices
Ensuring proper backups and recovery via OneDrive
Management of Microsoft Intune profiles, Entra ID and Office 365

Feb 2024 - Jul 2024

6 months

Hanover, Germany

Setup of the new Olympus branch in Europe, configuration of training platforms and documentation
Daily Scrum team alignments
Participation in training courses on systems, functions and architectures
Contribution to the documentation and development of training materials
Contribution to defining the initial support strategy
Support for Olympus sales and account teams acting as level-1 customer support
Conduct training on systems, functions and architectures used in operations and improve training materials
Continuous review of evolving product features
Development of user and support materials
Network management for connected devices and the in-house Windows hub

Oct 2023 - Dec 2023

3 months

Vienna, Austria

Monitoring the internal network of social insurance providers in Austria
Configuration of applications in the Output Services product suite and the document/PDF rendering system
Analysis and reproduction of error conditions
Communication with customers via ticket system, telephone and video conferences
Communication with the vendor of the rendering system
Design of forms/layouts for internal applications
Configuration of runtime environments in cooperation with operations
Support in the DevOps process
Centralized network management of print loops

Jul 2022 - Aug 2023

1 year 2 months

Graz, Austria

Implementation of IT solutions (software & hardware) for POS systems (Windows 10/11) and credit card terminals
Windows file and service management using PowerShell scripts
Preparation, configuration and implementation of new hardware (inspection and configuration of POS systems with credit card terminals)
Setup, configuration and deployment of TCPOS software on the new hardware (including licenses for credit card terminals)
2nd/3rd level support (English & German) via the HDA ticket system
Creation of reports and automated scripts, development and maintenance of customer databases in MS SQL
Taking on projects, planning, designing and implementing network diagrams and schematics for operations of new clients (KTM, FC Red Bull Salzburg, IAEA, Forstinger, various LKH/UKH, rehab clinics, etc.)

Jan 2019 - Aug 2021

2 years 8 months

Graz, Austria

Development, support, creation, and implementation of internal IT solutions in MS Dynamics Navision (later Business Central)
1st/2nd level support and ticketing via JIRA (including 3rd level for branch openings)
Setup and import of eVouchers and eGift cards (in CSV format)
Creation, adaptation, and setup of new physical items (e.g., vouchers, gift cards, bills of materials)
Organization and execution of knowledge transfers for new processes and item imports for 84 branches
Implementation and customization of accounting and finance modules for newly opened branches
User creation and management
Report generation using SQL queries
Taking over projects for new branch openings, planning, designing, and implementing network diagrams and schemes, and developing custom interfaces in the finance module

Jun 2017 - Nov 2018

1 year 6 months

Brno, Czech Republic

Providing IT services as a contractor for Siemens Healthineers
1st/2nd level support in English and German via the SHARP ticket system (ServiceNow)
Issuing soft-PKI certificates for new users and ordering access cards in GAMA (Global Access Management)
Creating and administering new users in Active Directory
Managing user access and permissions through MS Office 365 (including data security on SharePoint)
Reviewing, correcting, and reassigning digital stamps and signatures on medical documents using Signature Server
Granting access to highly secure data for VIPs via Oracle Siebel
Storing and archiving old documents and files using Documentum
Importing and administering patient data in SAP CRM
Generating reports with SQL queries
Network management in new labs
Monitoring compliance with SOPs/KPIs, sampling audits of tickets, training new staff, and managing internal team processes through SCRUM meetings
Using Signature Server, Documentum, SharePoint, Oracle Siebel, GAMA, and ServiceNow