Senior IT Administrator, 2nd Level

Citadelle

. Administer, install, configure, maintain, and further develop client and server systems in Microsoft environments .

Posted 11/6/2026full-timeVolkach • GermanySeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive IT expertise with a strong focus on administering and maintaining Microsoft environments, including Windows Server applications and network infrastructures. Proficient in providing technical support and ensuring the availability of IT services while maintaining excellent communication with customers.

Highest-signal resume keywords

Windows Server AdministrationActive Directory ManagementNetwork ConfigurationVirtualization TechnologiesCustomer Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IT ExpertiseWindows Client SystemsWindows Server SystemsBackup SolutionsVoIP Telephone SystemsVPN ConfigurationDNS ManagementDHCP ManagementGroup Policy ManagementCloud Environments

Soft Skills

Excellent Communication SkillsStructured ApproachSolution-Oriented MindsetCustomer-Focused MannerAbility to Work Independently

Tools & Technologies

Microsoft 365VMwareHyper-VProxmoxTicketing System

Certifications & Qualifications

Vocational Training as IT Specialist for System IntegrationIT Systems Electronics Technician

Industry Keywords

IT Systems House2nd-Level SupportIncident ResolutionCustomer InfrastructuresOperational Responsibility

Tech Stack

Tools & technologies

CloudDNSFirewallsSQLVMwareVoIP

About the role

Key responsibilities & impact

Administer, install, configure, maintain, and further develop client and server systems in Microsoft environments
Administer Windows Server applications such as Active Directory, DHCP, DNS, Exchange, and SQL Server
Install, configure, and maintain networks, Internet connections, VPN connections, and printer systems in customer infrastructures
Troubleshoot, analyze, and resolve incidents
Analyze requirements, advise customers, and provide technical support during proposal preparation
Provide end-user support and contribute to various IT projects
Assume operational responsibility to ensure the availability of IT services for customers
Handle 2nd-level support requests
Record, classify, and document 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 similar IT qualification; career changers with equivalent knowledge are welcome
Ideally, experience working for an IT systems house and in direct customer contact
Class B driver's license
Ability to work independently, with a structured and solution-oriented approach
Excellent communication skills
Open, authentic, and customer-focused manner
Very good German and good English language skills
Knowledge of Windows client and server systems
Knowledge of virtualization technologies (VMware, Hyper-V, Proxmox)
Knowledge of Active Directory, Microsoft 365, Exchange, DNS, DHCP, and Group Policy
Knowledge of backup solutions
Knowledge of networks and firewalls
Ideally, knowledge of the setup and configuration of VoIP telephone systems
Initial experience with cloud environments is an advantage

Benefits

Comp & perks

Performance-based compensation
Modern work equipment, including a company mobile phone and notebook
Flexible working hours and remote work by arrangement
Agile working environment
Ongoing professional development opportunities
Collaborative, equal-footing workplace culture across locations
Annual company summer party
Corporate benefits with attractive employee conditions, offers, and discounts
JobRad bicycle leasing program
Company membership with EGYM Wellpass
Employer contributions to occupational retirement plans
Snacks and beverages
Employee parking