Christopher Stern - IAM Operations IT Support

Q: Where is Christopher based?

Christopher is based in Berlin, Germany and prefers 100% remote projects.

Q: What languages does Christopher speak?

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

Q: How many years of experience does Christopher have?

Christopher has at least 6 years of experience. During this time, Christopher has worked in at least 8 different roles and for 10 different companies . The average length of individual experience is 1 year and 7 months . Note that Christopher may not have shared all experience and actually has more experience.

Q: What is Christopher's latest experience?

Christopher's most recent position is IAM Operations IT Support at KFW .

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

In recent years, Christopher has worked for KFW , pk systems GmbH , data experts gmbh , and Protiviti GmbH .

Q: Which industries is Christopher most experienced in?

Christopher is most experienced in industries like Information Technology , Automotive , and Banking and Finance . Christopher also has some experience in Healthcare , Pharmaceutical , and Professional Services .

Q: Which business areas is Christopher most experienced in?

Christopher is most experienced in business areas like Information Technology , Project Management , and Quality Assurance . Christopher also has some experience in Customer Service , Sales , and Marketing .

Q: Which industries has Christopher worked in recently?

Christopher has recently worked in industries like Banking and Finance , Information Technology , and Professional Services .

Q: Which business areas has Christopher worked in recently?

Christopher has recently worked in business areas like Information Technology and Customer Service .

Recommended expert

Berlin, Germany

Check rate

Experience

Aug 2023 - Apr 2024

9 months

IAM Operations IT Support

KFW

User support and consulting (phone, email)
Ticket handling (incidents and requests)
Reviewing/updating permissions, orders, tasks, and employee identities

Nov 2022 - Apr 2023

6 months

Service Desk, Application Administration

pk systems GmbH

Troubleshooting incidents and service requests from customer inquiries via email and phone
DeskPro administration (tickets, users, etc.)
Active Directory, Microsoft 365 Admin Center, and Jobrouter administration (assets, services)
PC and notebook setup and shipping

Jun 2022 - Aug 2022

3 months

Service Desk, L1/L2 Technical IT Support

data experts gmbh

User help desk (email, phone) and ticket handling
Error analysis and resolution of user tickets
Documentation of support workflows

Feb 2022 - Apr 2022

3 months

Service Desk, L1/L2 Technical IT Support

Protiviti GmbH

Ticket and call handling according to ITIL
Troubleshooting Office 365 and network issues
User management (Active Directory)

Jul 2016 - May 2018

1 year 11 months

Service Desk, L1/L2 Technical IT Support

Canto GmbH

Ticket management (Salesforce CRM)
Project management (Jira, Confluence)
Test management with Cumulus (Oracle VirtualBox)

Aug 2014 - Oct 2015

1 year 3 months

Service Desk, 2nd Level IT Support

Digital Spirit

Ticket management (Jira, Mantis)
Customizing EnTraS
Testing with EnTraS (VMware Workstation, Oracle VirtualBox)

Mar 2009 - Aug 2009

6 months

IT Administration, Web Programming and Web Tracking

DRK Kliniken Berlin

IT administration of the DRK website (Customizing Typo3, Backup)
IT administration of the intranet (MS IIS Server, MySQL, Backup)
SEO for the DRK website (Google tools, etc.)

Dec 2006 - Sep 2007

10 months

IT Integration of Document Management System (DMS) in Sales Department

DCVD/CharterWay

Creating document classification and functional concept
Coordinating software service providers for implementing a data interface
Conducting functional and data tests on the DMS prototype
Supporting the rollout of DMS clients and DMS workshops for sales managers
Training sales managers on DMS document scanning
Creating DMS workflow documentation

Nov 2003 - Feb 2004

4 months

Programming a Custom Employee Management System

product + concept

Implementing the frontend (HTML/CSS, JavaScript)
Implementing logic/functions (JSP, Tag-Libs) and database (MySQL)
Program testing and bug fixing

Jul 2003 - Oct 2003

4 months

Programming a Data Interface to Import Pharma Data from XML Documents into a Relational Database

Dr. Notghi Contract Research

Implementing the frontend (HTML/CSS, JavaScript)
Implementing logic/functions (Java Servlets) and database (MySQL)
Program testing and bug fixing

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Automotive, Banking and Finance, Healthcare, and Pharmaceutical.

Information Technology

Automotive

Banking and Finance

Healthcare

Pharmaceutical

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Quality Assurance, Customer Service, Sales, and Marketing.

Information Technology

Project Management

Quality Assurance

Customer Service

Sales

Marketing

Skills

It Integration Of Application Systems (Dms, Lms, Dams, Etc.)
It Infrastructure Administration (Network, Applications, Etc.)
It Support For Complex Application Systems (Lms, Dams, Etc.)
Web Application Programming (Frontend, Database)
Software
Marketing
Healthcare
Pharma
Automotive
E-Commerce

Languages

German

Advanced

English

Advanced

Education

IHK-certified IT Specialist in Application Development · IT Specialist in Application Development

Bachelor of Science in Business Informatics · Business Informatics

Certifications & licenses

Udemy

Essentials Of Linux System Administration (LFS201)

Linux Foundation

Introduction To Cloud Infrastructure Technologies (LFS151x)

Linux Foundation

Introduction To Kubernetes (LFS158x)

Linux Foundation

Introduction To OS Networking Technologies (LFS165x)

Linux Foundation

Linux Networking And Administration (LFS211)

Linux Foundation

Microsoft

Microsoft Certified: Security, Compliance, And Identity Fundamentals (SC-900)

Microsoft

Network Analysis With Kali Linux

Preparing To Certified Openstack Administrator (COA) Exam

Udemy

VMware vSphere 6.5 Basic Course

Wireshark Basic Course

Statistics

Experience

Total positions 10

Experience in Information Technology 4 y

Avg length 7 m

Longest experience 1 y 10 m

Expertise

Recent roles IAM Operations IT Support, Service Desk, Application Administration, Service Desk, L1/L2 Technical IT Support

Main industries Information Technology, Automotive, Banking and Finance

Main business areas Information Technology, Project Management, Quality Assurance

Qualifications

Highest degree Bachelor

Certifications earned 12

Profile

Created

January 2025

Last Update

January 2026

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Frequently asked questions

Have questions? Find more information here.

Christopher is based in Berlin, Germany and prefers 100% remote projects.

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

Christopher has at least 6 years of experience. During this time, Christopher has worked in at least 8 different roles and for 10 different companies. The average length of individual experience is 1 year and 7 months. Note that Christopher may not have shared all experience and actually has more experience.

Based on recent experience, Christopher would be well-suited for roles such as: IAM Operations IT Support, Service Desk, Application Administration, Service Desk, L1/L2 Technical IT Support.

Christopher's most recent position is IAM Operations IT Support at KFW.

In recent years, Christopher has worked for KFW, pk systems GmbH, data experts gmbh, and Protiviti GmbH.

Christopher is most experienced in industries like Information Technology, Automotive, and Banking and Finance. Christopher also has some experience in Healthcare, Pharmaceutical, and Professional Services.

Christopher is most experienced in business areas like Information Technology, Project Management, and Quality Assurance. Christopher also has some experience in Customer Service, Sales, and Marketing.

Christopher has recently worked in industries like Banking and Finance, Information Technology, and Professional Services.

Christopher has recently worked in business areas like Information Technology and Customer Service.

Christopher holds a Bachelor in Business Informatics.

Christopher has 12 certificates. Among them, these include: Certified Kubernetes Administrator (CKA) With Practice Tests, Essentials Of Linux System Administration (LFS201), and Introduction To Cloud Infrastructure Technologies (LFS151x).

Christopher is immediately available full-time for suitable projects.

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

To hire Christopher, click the Meet button on the profile to request a meeting and discuss your project needs.

Salary / Daily Rate Distribution

0 1 2 3 4

<€640 €640-800 €800-960 €960-1120 €1120-1280 €1280-1440 €1440+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200

900

600

300

Daily rate avg. 994 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200

900

600

300

Median rate 1000 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.