René Karges-Freelancer
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Experience
Freelancer
Freelance work
- Business analysis
- Requirements management
- Project management
- Stakeholder management
- Team leadership
Team Leader Professional Services
MIDRAY GmbH (formerly debitel Network Services GmbH)
- Consulting and customization of existing services
- Development of custom customer solutions
- Product development
- Requirements management
- Stakeholder management
- Operational planning (budget planning, strategy implementation)
- Cost center responsibility
- Concept development
- Technical and strategic consulting for mobile-related services
- Multi-project management and program management
Project Manager
MIDRAY GmbH (formerly debitel Network Services GmbH)
- Analysis, design, planning, and implementation of complex projects in mobile business
- Building and leading interdisciplinary project teams
- Designing system architectures
- Consulting and support for business customers
- Stakeholder management
- Responsibility for service delivery and change management
System Administrator
MIDRAY GmbH (formerly debitel Network Services GmbH)
- System administration Sun/Solaris
- On-call duty 24/7
- Responsibility for DNS and domain registration
System Administrator
Metronet GmbH & Co. KG
- System administration Sun/Solaris
- On-call duty 24/7
- Responsibility for DNS and domain registration
Student Assistant in Computer Operations
Heinz Nixdorf Institute, University of Paderborn
Student Assistant in Computer Operations
University of Paderborn, Department of Computer Science
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Professional Services, Telecommunication, Education, and Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Product Development, Information Technology, Strategy, and Operations.
Summary
I am an IT specialist with many years of experience in project management and leadership, with a focus on telecommunications, mobile communications, and internet. I am known for being highly self-motivated and assertive, and I am someone who can ask the right questions. As an interpreter between technicians, people with a need, decision-makers, and other stakeholders, I explain complex topics in a way that fits the audience.
Skills
It Consulting:
- Requirements Analysis, Requirements Management
- Design Of Solutions, Interfaces, And System Architectures
- Process Design
- System Integration
Project Management:
- Leading Interdisciplinary Project Teams
- Agile Project Management
- Planning And Monitoring Implementation And Quality Assurance
- Stakeholder Management, Vendor Management
- Project Reporting, Controlling, Presentation
- Multi-Project Management, Program Management
- Risk Management
Interim Management:
- Team Building, Organization
- Team Leadership With And Without Staff Responsibility
- Staffing Planning
- Strategic Planning
- Cost Center Management
- Budgeting, Controlling, Reporting Of Resources
Leadership:
- Team Building, Organization
- Team Motivation
- Team Leadership With And Without Staff Responsibility
- Strategic Planning
- Goal Setting
Organization:
- Budgeting, Controlling, Reporting Of Resources
- Staffing Planning
- Filling Positions
- Cost Center Management
- Procurement
- Reporting
Consulting / Conception:
- Requirements Analysis, Requirements Management
- Solution Design
- System Architecture Design
- Interface Specification
- Process Design
- System Integration
- Technical Contract Management
- Creation Of Technical Tender Documents
Project Management (Detailed):
- Project Planning, Initiation, Control
- Coordination Of External Service Providers, Vendor Management
- Agile Project Management
- Project Reporting, Controlling, Presentation
- Multi-Project Management, Program Management
- Risk Management
- Stakeholder Management
- Projects Nationally And Internationally
Industry Experience:
- Telecommunications, Mobile Communications, Internet, Transport & Logistics, Retail
- Focus Areas: Value-Added Services Sms, Mms, Wap, Gprs, Apn Connections, Internet, Subscription Management, Billing, Online Billing, Mobile Tv
- E-Payment, Credit Cards, Pci
Other Skills:
- Itil V.3
- Prince2 Practitioner
- Scrum
Personal Skills:
- Analytical And Connected Thinking
- Ability To Work In A Team
- Cooperation Skills
- Assertiveness
- High Motivation Ability
- Goal Orientation
- Persistence
- Strong Quality Awareness
Management Tools:
- Primavera P3e
- Microsoft Project
- Microsoft Office, Visio
- Mantis Bugtracker, Consol Cm
- Pmwiki
- Absolutebusy, Sqlreports
- Bmc Patrol, Nagios, Cacti
- Ontrack
- Clarity Ppm
- Jira
Operating Systems:
- Unix (Sun Solaris, Debian Linux)
- Microsoft Windows
- Apple Mac Os X
Technologies / Protocols:
- Sms, Mms, Wap, Apn, Gprs, Umts, Csd
- Ucp/Emi, Smpp, Sm/Asi
- Dmb
- Radius, Aaa, Ldap, Sso
- Load Balancing And Content Switching
- Tcp/Ip And Various Internet Protocols
- Xml, Uml, Bpmn, Soap
- Middleware, Eai
- Cloud, Amazon Cloud Aws
Applications And Services:
- Mail Systems (Smtp, Pop3, Imap)
- Subscription Management
- Web Services With Apache, Tomcat, Jboss
- Messaging Services Sms, Mms, Email, Chat, Ivr
- Directory Services, Aaa, Radius, Ldap, Sso
- Oracle Database, Mysql
- Sap
- Critical Path Sms Server
- Pisys Conditional Access System (Irdeto), Thales Saphire
- Annyway Wap Gateway
- Sonic Mq Message Broker
- Veritas Filesystem And Cluster
- Open Source, Pbind, Cvs
- Vmware
- Shell, Perl
Languages
Education
Paderborn University
Diplom-Informatiker · Computer Science, minor in Business Administration · Paderborn, Germany
Reismann Gymnasium
Abitur · Paderborn, Germany
Certifications & licenses
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
René is based in Cologne, Germany and can operate in on-site, hybrid, and remote work models.
René speaks the following languages: German (Native), English (Advanced).
René has at least 36 years of experience. During this time, René has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 5 years and 2 months. Note that René may not have shared all experience and actually has more experience.
Based on recent experience, René would be well-suited for roles such as: Freelancer, Team Leader Professional Services, Project Manager.
René's most recent position is Freelancer at Freelance work.
In recent years, René has worked for Freelance work.
René is most experienced in industries like Professional Services, Telecommunication, and Education. René also has some experience in Information Technology.
René is most experienced in business areas like Project Management, Product Development, and Information Technology. René also has some experience in Strategy and Operations.
René has recently worked in industries like Professional Services.
René has recently worked in business areas like Product Development and Project Management.
René holds a Master in Computer Science, minor in Business Administration from Paderborn University.
René has 3 certificates. These include: PRINCE2 Practitioner, PRINCE2 Foundation, and ITIL V.3 Foundations.
The availability of René needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 28 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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