Christopher Stern-IAM Operations IT Support
Check rate
Experience
IAM Operations IT Support
KFW
- User support and consulting (phone, email)
- Ticket handling (incidents and requests)
- Reviewing/updating permissions, orders, tasks, and employee identities
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
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
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)
Service Desk, L1/L2 Technical IT Support
Canto GmbH
- Ticket management (Salesforce CRM)
- Project management (Jira, Confluence)
- Test management with Cumulus (Oracle VirtualBox)
Service Desk, 2nd Level IT Support
Digital Spirit
- Ticket management (Jira, Mantis)
- Customizing EnTraS
- Testing with EnTraS (VMware Workstation, Oracle VirtualBox)
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.)
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
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
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.
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.
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
Education
IHK-certified IT Specialist in Application Development · IT Specialist in Application Development
Bachelor of Science in Business Informatics · Business Informatics
Certifications & licenses
Certified Kubernetes Administrator (CKA) With Practice Tests
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 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
Expertise
Qualifications
Profile
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).
The availability of Christopher needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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