Hüseyin Ucar-Senior System Administrator
Check rate
Experience
Senior System Administrator
Eigenbetrieb Bau, Vermögen und Informationstechnik Rhein-Neckar-Kreis
- First & second-level support according to ITIL via OTRS
- System and user administration (Active Directory, GPO, print servers)
- Windows 10 migration, Windows Server 2016–2019
- Vendor coordination, documentation, knowledge transfer
Senior System Administrator
Progroup AG
- First & second-level support via Ivanti / Landesk
- Active Directory, Exchange, Citrix, MDM (BlackBerry, iOS)
- SAP user support, printer management
Senior IT System Administrator / Project Support
Various clients: ITZBund, Deutsche Bahn, Bilfinger, Bechtle, Bürgschaftsbank, Athene Lebensversicherung, Helvetia Versicherung
- ITIL-based first & second-level support via ServiceNow, BMC Remedy, and ManageEngine
- System administration for Windows clients & servers, Citrix environments
- Migrations (Windows, Office, Outlook, Notes), rollouts, domain migrations
- Work in security-critical, regulated IT environments (government & finance)
Senior System Administrator / Second-Level Support
Various clients: BASF, Roche Diagnostics, Merck, Deutsche Post DHL, KfW Bank, First Data / TeleCash
- International second-level support via HP Service Manager, Unicenter Service Desk, and HP OpenView
- Active Directory, Exchange, VMware, Citrix, SCCM
- SAP R/3 user management, hardware & software rollouts
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Government and Administration, Banking and Finance, Information Technology, Chemical, Transportation, and Pharmaceutical.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, and Customer Service.
Summary
Freelance Senior IT System Administrator with over 15 years of project experience in complex enterprise IT environments. Extensive work with federal agencies, banks, insurance companies, chemical and pharmaceutical companies, as well as the public sector. Key areas of expertise include system administration, user and access management, migrations, and ITIL-based first and second-level support, with strong ITSM and ticketing system experience.
Skills
- Ticketing & Itsm Systems: Servicenow, Otrs, Ivanti / Landesk, Bmc Remedy, Manageengine Servicedesk Plus, Hp Service Manager, Hp Openview Service Desk, Unicenter Service Desk, Valuemation
- Systems & Platforms: Windows Client & Server (2003–2019), Active Directory, Gpo, Exchange, Citrix, Vmware
- Management & Tools: Sccm, Baramundi, Ivanti, Mdm, Print Servers, Network, Hardware
Languages
Education
BFW Heidelberg
Apprenticeship as an IT Systems Electronics Technician · IT Systems Electronics Technician · Heidelberg, Germany
Certifications & licenses
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Hüseyin is based in Heidelberg, Germany and can operate in on-site, hybrid, and remote work models.
Hüseyin speaks the following languages: German (Native), Turkish (Native), English (Advanced).
Hüseyin has at least 19 years of experience. During this time, Hüseyin has worked in at least 3 different roles and for 4 different companies. The average length of individual experience is 5 years and 8 months. Note that Hüseyin may not have shared all experience and actually has more experience.
Based on recent experience, Hüseyin would be well-suited for roles such as: Senior System Administrator, Senior IT System Administrator / Project Support, Senior System Administrator / Second-Level Support.
Hüseyin's most recent position is Senior System Administrator at Eigenbetrieb Bau, Vermögen und Informationstechnik Rhein-Neckar-Kreis.
In recent years, Hüseyin has worked for Eigenbetrieb Bau, Vermögen und Informationstechnik Rhein-Neckar-Kreis and Progroup AG.
Hüseyin is most experienced in industries like Government and Administration, Banking and Finance, and Information Technology. Hüseyin also has some experience in Chemical, Transportation, and Pharmaceutical.
Hüseyin is most experienced in business areas like Information Technology, Project Management, and Customer Service.
Hüseyin has recently worked in industries like Government and Administration and Manufacturing.
Hüseyin has recently worked in business areas like Information Technology.
Hüseyin attended BFW Heidelberg for IT Systems Electronics Technician.
Hüseyin has 1 certificate: ITIL v3 Certification.
The availability of Hüseyin 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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