IT Administrator

Citadelle

. Administration, installation, configuration, and support of client and server systems in Microsoft environments .

Posted 11/12/2026full-timeVolkach • GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive IT expertise with a strong focus on administration, installation, and support of Microsoft client and server systems. Proficient in troubleshooting technical issues and providing excellent customer service in IT support roles.

Highest-signal resume keywords

Windows Server AdministrationActive Directory ManagementVirtualization Technologies (VMware, Hyper-V)Customer Support ExperienceGerman and English Language Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IT SupportNetwork InstallationVPN ConfigurationSQL Server ManagementDNS ManagementDHCP ManagementGroup Policy KnowledgeVoIP System ConfigurationProxmox VE ExperienceBackup Solutions Knowledge

Soft Skills

Excellent Communication SkillsStructured ApproachCustomer-Focused MannerAbility to Work IndependentlyOpen and Authentic Attitude

Tools & Technologies

Microsoft 365Ticketing SystemWindows Client SystemsFirewall TechnologiesPeripheral Equipment

Certifications & Qualifications

Vocational Training as IT Specialist for System IntegrationIT Systems Electronics Technician

Industry Keywords

IT Services Delivery1st- and 2nd-Level SupportTechnical Issue ResolutionRequirements AnalysisCustomer Consultation

Tech Stack

Tools & technologies

DNSFirewallsSQLVMwareVoIP

About the role

Key responsibilities & impact

Administration, installation, configuration, and support of client and server systems in Microsoft environments
Administration of Windows Server applications such as Active Directory, DHCP, DNS, Exchange, and SQL Server
Installation, setup, and maintenance of networks, Internet connections, VPN connections, and other peripheral equipment in customer infrastructures
Troubleshooting, analysis, and resolution of technical issues
Requirements analysis, customer consultation, and technical support during quotation preparation
End-user support and participation in various IT projects
Assuming operational responsibility to ensure the delivery of IT services to customers
Handling 1st- and 2nd-level support issues
Recording, classifying, and documenting user issues in a ticketing system

Requirements

What you’ll need

Extensive IT expertise
Completed vocational training as an IT specialist for system integration, IT systems electronics technician, or a comparable qualification in the IT field; career changers with equivalent knowledge are welcome
Initial professional experience in IT support, ideally with direct customer contact
Class B driver's license
Ability to work independently, a structured approach, and excellent communication skills
Open, authentic, and customer-focused manner
Very good German and good English skills
Knowledge of Windows client and server systems
Knowledge of virtualization technologies (VMware, Hyper-V)
Knowledge of Active Directory, Microsoft 365, Exchange, DNS, DHCP, and Group Policy
Advantageous: Experience with Proxmox VE and Proxmox Backup Server infrastructures, backup solutions, networks, and firewalls
Ideally, knowledge of the setup and configuration of VoIP telephone systems

Benefits

Comp & perks

Performance-based compensation
Modern work equipment, including a company mobile phone and laptop
Flexible working hours
Remote work by arrangement
Agile working environment
Ongoing professional development opportunities
Collaborative, equal-footing working environment
Company summer party
Corporate benefits, including employee rates, offers, and discounts
JobRad bicycle leasing
Company membership with EGYM Wellpass
Employer contributions to occupational pension plans
Snacks and beverages
Employee parking