René Karges - Freelancer

Q: Where is René based?

René is based in Cologne, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does René speak?

René speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does René have?

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 1 month . Note that René may not have shared all experience and actually has more experience.

Q: What is René's latest experience?

René's most recent position is Freelancer at Freelance Work .

Q: What companies has René worked for in recent years?

In recent years, René has worked for Freelance Work .

Q: Which industries is René most experienced in?

René is most experienced in industries like Professional Services , Telecommunication , and Education . René also has some experience in Information Technology .

Q: Which business areas is René most experienced in?

René is most experienced in business areas like Project Management , Product Development , and Information Technology . René also has some experience in Strategy and Operations .

Q: Which industries has René worked in recently?

René has recently worked in industries like Professional Services .

Q: Which business areas has René worked in recently?

René has recently worked in business areas like Product Development and Project Management .

Recommended expert

Cologne, Germany

Experience

May 2009 - Present

16 years 11 months

Freelancer

Freelance Work

Business analysis
Requirements management
Project management
Stakeholder management
Team leadership

Apr 2004 - Apr 2009

5 years 1 month

Team Leader Professional Services

MIDRAY GmbH (formerly debitel Network Services GmbH)

Consulting and customizing existing services
Developing 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

Nov 1999 - Mar 2004

4 years 5 months

Project Manager

MIDRAY GmbH (formerly debitel Network Services GmbH)

Analysis, design, planning and implementation of complex mobile business projects
Forming and leading interdisciplinary project teams
Designing system architectures
Consulting and supporting business customers
Stakeholder management
Responsibility for service delivery and change management

Jan 1999 - Oct 1999

10 months

System Administrator

MIDRAY GmbH (formerly debitel Network Services GmbH)

System administration Sun/Solaris
On-call duty 24/7
Responsibility for DNS and domain registration

Apr 1997 - Dec 1998

1 year 9 months

Cologne, Germany

System Administrator

Metronet GmbH & Co. KG

System administration Sun/Solaris
On-call duty 24/7
Responsibility for DNS and domain registration

Jul 1994 - Apr 1997

2 years 10 months

Paderborn, Germany

Student assistant in computer operations

Heinz Nixdorf Institute at the University of Paderborn

Sep 1990 - Jun 1994

3 years 10 months

Paderborn, Germany

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.

Professional Services

Telecommunication

Education

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.

Project Management

Product Development

Information Technology

Strategy

Operations

Summary

I am an IT specialist with many years of project management and leadership experience focusing on telecommunications, mobile communications, and the Internet. I am highly self-motivated and assertive, and I know how to ask the right questions. As an interpreter between technicians, business owners, decision makers, and other stakeholders, I convey complex matters in a way that suits the audience.

Skills

It Consulting:

Requirements Analysis, Requirements Management
Solution, Interface And System Architecture Design
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 Personnel Responsibility
Personnel Planning
Strategic Planning
Cost Center Administration
Budgeting, Controlling, Resource Reporting

Leadership:

Team Building, Organization
Team Motivation
Team Leadership With And Without Personnel Responsibility
Strategic Planning
Defining Targets

Organization:

Budgeting, Controlling, Resource Reporting
Personnel Planning
Staffing
Cost Center Administration
Procurement
Reporting

Consulting / Design:

Requirements Analysis, Requirements Management
Solution Design
System Architecture Design
Interface Specification
Process Design
System Integration
Technical Contract Management
Preparation 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
National And International Projects

Industry Experience:

Telecommunications, Mobile Communications, Internet, Transport & Logistics, Retail
Focus Areas: Value-added Services Sms, Mms, Wap, Gprs, Apn Connectivity, Internet, Subscription Management, Billing, Online Billing, Mobile Tv
E-payment, Credit Cards, Pci

Additional Skills:

Itil V3
Prince2 Practitioner
Scrum

Personal Skills:

Analytical And Networked Thinking
Teamwork
Collaboration
Assertiveness
High Motivation
Determination
Perseverance
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 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 Sapphire
Annyway Wap Gateway
Sonic Mq Message Broker
Veritas File System And Cluster
Open Source, Pbind, Cvs
Vmware
Shell, Perl

Languages

German

Native

English

Advanced

Education

Oct 1988 - Mar 1997

University of Paderborn

Diploma in Computer Science · Computer Science, minor in Business Administration · Paderborn, Germany

Aug 1978 - Jun 1987

Reismann-Gymnasium

High School Diploma · Paderborn, Germany

Certifications & licenses

PRINCE2 Practitioner

PRINCE2 Foundation

ITIL V.3 Foundations

Statistics

Experience

Total positions 7

Experience in Professional Services 17 y

Avg length 5 y

Longest experience 16 y 10 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Freelancer, Team Leader Professional Services, Project Manager

Main industries Professional Services, Telecommunication, Education

Main business areas Project Management, Product Development, Information Technology

Qualifications

Highest degree Master

Certifications earned 3

Profile

Created

August 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is René based?

René is based in Cologne, Germany and can operate in on-site, hybrid, and remote work models.

What languages does René speak?

René speaks the following languages: German (Native), English (Advanced).

How many years of experience does René have?

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 1 month. Note that René may not have shared all experience and actually has more experience.

What roles would René be best suited for?

Based on recent experience, René would be well-suited for roles such as: Freelancer, Team Leader Professional Services, Project Manager.

What is René's latest experience?

René's most recent position is Freelancer at Freelance Work.

What companies has René worked for in recent years?

In recent years, René has worked for Freelance Work.

Which industries is René most experienced in?

René is most experienced in industries like Professional Services, Telecommunication, and Education. René also has some experience in Information Technology.

Which business areas is René most experienced in?

René is most experienced in business areas like Project Management, Product Development, and Information Technology. René also has some experience in Strategy and Operations.

Which industries has René worked in recently?

René has recently worked in industries like Professional Services.

Which business areas has René worked in recently?

René has recently worked in business areas like Product Development and Project Management.

What is René's education?

René holds a Master in Computer Science, minor in Business Administration from University of Paderborn.

Does René have any certificates?

René has 3 certificates. These include: PRINCE2 Practitioner, PRINCE2 Foundation, and ITIL V.3 Foundations.

What is the availability of René?

René is immediately available full-time for suitable projects.

What is the rate of René?

René's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.