Torsten Mueller Email & Phone Number

Kassel, He, De

Kassel, Hessen, Deutschland

Design and implementation of a new applications, optimizing processes and ensuring seamless migration of critical applications to a modern IT environment.- Infrastructure Landscape Planning: Spearheaded the design and implementation of a new, scalable infrastructure landscape, aligning IT capabilities with organizational goals.- Process Redefinition: Collaborated with a new global IT provider to define and optimize processes for a global IT community, ensuring efficient service delivery and operations.- Application Migration: Directed the migration of applications from legacy systems to a new IT environment, including the transition of servers, databases, file services, and security groups, ensuring minimal disruption and enhanced performance.- Service Ownership: Acted as Service Owner for E&P Surface Applications, ensuring reliable performance and continuous improvement of critical business applications.This role was key in transforming the IT landscape, driving modernization, and ensuring the success of a large-scale migration project.

Kassel

Co-led a high-impact global IT sourcing project as part of the merger between Wintershall Holding GmbH and DEA Deutsche Erdoel AG, focusing on designing and implementing a future-proof IT landscape for the newly formed company, Wintershall Dea GmbH.- Global IT Sourcing Leadership: Co-led a comprehensive IT sourcing initiative, collaborating with multiple global IT providers to design and procure the ideal IT infrastructure for the merged entity.- Greenfield IT Landscape Design: Defined and planned all critical IT services for Wintershall Dea GmbH using a greenfield approach, ensuring scalability and alignment with business objectives.- Infrastructure & Service Definition: Developed the blueprint for Central and Decentral Data Centers, Network architecture (LAN/WAN), Cloud solutions, and Workplace Services, laying the foundation for a modern, integrated IT environment.This project was pivotal in establishing the IT backbone of Wintershall Dea GmbH, ensuring operational readiness and strategic alignment with the company’s future growth.

Kassel, Hessen, Deutschland

Managed and optimized IT operations for business-critical applications and infrastructure, with a focus on reliability and performance for Exploration & Production (E&P) systems. Key responsibilities included:- Operations Management: Oversaw the day-to-day operations of E&P-specific application systems, databases, and IT infrastructure, ensuring continuous availability and performance.- Software Design & Architecture: Led the design and architecture of software solutions, aligning with business needs and technical requirements.- Project Management & Technical Leadership: Directed multiple IT projects, providing both technical leadership and strategic guidance to ensure timely and successful project delivery.- Oracle PL/SQL & Performance Tuning: Optimized Oracle databases with advanced PL/SQL techniques and performance tuning, ensuring high system efficiency and data integrity.- Scripting & Automation: Developed and implemented automation scripts to streamline processes and reduce manual workload, increasing overall operational efficiency.- Drilling & Production Applications: Managed critical drilling and production applications, ensuring their reliable performance and support for business operations.- Strategic IT Carve-out: Played a key role in planning and executing the IT carve-out of Wintershall from BASF, ensuring a smooth transition of systems and services.

München, Bayern, Deutschland

Led technical projects and managed service delivery for Telefonica, driving performance optimization and service excellence. Key responsibilities included:- Technical Leadership & Coordination: Led and coordinated the project team to ensure smooth service delivery, aligning with Telefonica’s objectives and timelines.- Resource Planning: Managed resource allocation within the project team to optimize productivity and meet project goals efficiently.- Project Management & Technical Implementation: Oversaw full-cycle project management and implementation, specializing in Oracle Databases (OLTP, BW > 1TB) and Java Applications, ensuring high performance and scalability.- Client Engagement & Application Architecture: Acted as the primary technical point of contact for application architecture changes, providing expert guidance and ensuring alignment with customer requirements.- Performance Optimization: Implemented changes that significantly improved the performance of large-scale Oracle databases, enhancing operational efficiency.- Continuous Service Improvement: Spearheaded initiatives to improve the quality of delivered services, resulting in enhanced customer satisfaction and service reliability.- End-to-End Monitoring: Designed and deployed a fully customized real-time monitoring tool for the CDRator Billing Platform, ensuring robust monitoring of the entire application landscape.- Database Security: Developed and implemented a comprehensive Oracle database security concept to protect critical data assets.- Strategic Carve-out Planning: Led the planning and execution of the carve-out of Telefonica services from BASF to Tech Mahindra, ensuring seamless transition and service continuity.

Ludwigshafen Am Rhein

Contributed to the successful development and implementation of various software solutions across multiple departments at BASF, enhancing operational efficiency and data processing. Key projects include:- Developed a J2EE web application for price analysis of BASF products, integrating with the SAP BW system to streamline data processing and reporting.- Created a J2EE web application to automate the creation of internal mail labels, optimizing the BASF mail workflow.- Designed a J2EE web application enabling BASF employees worldwide to easily install printers, improving global IT support efficiency.- Led the development of a Typo3 portal for the Metropol-Region-Rhein-Neckar (www.m-r-n.com), facilitating regional collaboration and information exchange.- Engineered a J2EE web application for managing internal business requests, contributing to improved task management and resource allocation.- Built a PHP-based portal for managing stock options for BASF's board of directors, ensuring secure and efficient financial management.

Master Of Science (M.Sc.), Medieninformatik, 1,3

Focus: Media Design, E-Business, ERP and Business Intelligence Thesis: Investigation to improve performance of large relational databases.

Certificate, Computer Science, 1,0

Abroad semester at California State University Sacramento, in cooperation with Wilhelm Buechner Hochschule Darmstadt Computer Game.

Bachelor Of Science (B.Sc.), Angewandte Informatik, 1,7

Thesis: J2EE web application for monitoring a high-availability Billing Platform

Fachinformatiker, Anwendungsentwicklung