About Mario
English
Native or bilingual
German
Native or bilingual
Experience
- XTra Technology Consultancies L.L.C-FZLinux Engineer, Oracle Developer/DBA for diverse Microprojects globallyCONSULTING AND AUDITSApril 2021 - Today (5 years and 2 months)Dubai, United Arab Emirateso Introductory engagements in projects of external clients:o Proposal of new system architecture based on new requirementso Proof of concept by prototype developmento Proposal for HDD space scaling for Linux Production hostso Gap-, impact & process analysis, workflow optimization & automationo Process data aggregation for real-time dashboard reporting, Tableauo Financial Management:o A solution based on a combination of JavaScript, JSON, KDB+/q, Python, Node.js and Perl to manage bookings of private, business and investment accounts with categorized transactions; data pipeline refinement in Python/Pandas, GitHubo Business Expense Reporting:o Aggregation of business expenses and reporting in Perlo Automated Entity Transformation:o Automated performance benchmark testing of different data structures, code designs and methodologies with reporting, in Perl, Pythono Development and Test Automation (Python) of CI/CD data pipelines, data aggregation, -transformation & -validationo ElasticSearcho Infrastructure:o Router, DHCP setup & configuration, DNS server configuration, TCP/IP (TCP, UDP), firewall configuration, sniffer result analysiso ftp server setup & configuration; Virtual Machine env setupo Oracle:o Oracle Database installation, config, design, setup, dev & perf tuningo ETL process design & pipeline development for data accumulation/aggregation sourcing & loading data from data lakeo AWS:o Configuration Management (AWS account, root & IAM user config)o Python development on AWS Cloud9 IDEo Automated Server Setup & Deployment:o Setup of new servers and processes, upgrades incl. process validationo Standardization of server setup, root cause investigationso Linux hardening:o Linux hardening as part of Sys setup to requirements for Linux securityo Root and other user security policies, system connectivity security incl BIOS hardening and more.
- XTra Technology Consultancies L.L.C-FZOwner/Founder, IT ConsultantOctober 2023 - Today (2 years and 8 months)United Arab EmiratesInfrastructure & System AdministrationOracle Database Development, Database Modelling, ETL, DWH, Data Analysis, Performance Tuning, MigrationsProcess Automation and OptimisationLinux shell, Perl, Python ScriptingOracle SQL, PL/SQL
- XTra Technology Consultancies L.L.C-FZPLM Database Migration SpecialistOctober 2023 - December 2023 (2 months)Dubai - United Arab EmiratesFollow-up on PLM System Migration with implementation of additional requirements. Integration and data consolidation.
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Education
- First National Exam (equivalent to Masters degree), Mathematics, Physics, (Information Technology, Astronomy) (Lectureship for Higher Schools)University of Halle Wittenberg;1995First National Exam (equivalent to Masters degree), Mathematics, Physics, (Information Technology, Astronomy) (Lectureship for Higher Schools)