Senior IT Infrastructure Engineer

Rosendahl Nextrom GmbH

. Further development of the international IT infrastructure .

Posted 11/11/2026full-timePischelsdorf in der Steiermark • AustriaSenior💰 €4,300 - €5,500 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in IT infrastructure and security, with a strong focus on hybrid environments and the integration of Microsoft 365, Azure, and related technologies. Capable of managing complex projects, enhancing IT security standards, and collaborating effectively in an international setting.

Highest-signal resume keywords

IT Infrastructure DevelopmentIT Security ManagementMicrosoft 365 IntegrationAzure / Entra ID ExpertisePowerShell Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IT Infrastructure EngineeringIT SecurityFirewall ManagementNetworking ConceptsWindows ServerVMware / vSphereVPN ConfigurationEndpoint SecurityBackup & RecoveryAutomation Tools

Soft Skills

Confident CommunicationCollaborative ApproachStructured Work Methodology

Tools & Technologies

Microsoft 365AzureIntuneActive DirectoryPowerShellAI-Powered ToolsSecurity Assessment Tools

Industry Keywords

IT InfrastructureIT Security StandardsHybrid IT InfrastructureTechnical ImplementationSecurity Assessments

Tech Stack

Tools & technologies

AzureVMware

About the role

Key responsibilities & impact

Further development of the international IT infrastructure
Responsibility for IT security, firewall, and infrastructure-related matters
Enhancing security levels and IT resilience
Technical responsibility for projects and sub-projects from concept through implementation
Integration of new international company locations
Further development of the hybrid infrastructure, including Microsoft 365, Azure / Entra ID, Intune, Active Directory, Windows Server, VMware / vSphere, networking, VPN, endpoint security, and backup & recovery
Management and coordination of external IT security and technology partners
Evaluation of proposed solutions and ensuring their technical implementation
Implementation of findings from security assessments and penetration tests
Analysis and resolution of complex technical escalations
Further development of IT security standards, documentation, and processes
Use of automation and AI tools, as well as development of proprietary tools, scripts, or agents

Requirements

What you’ll need

Extensive professional experience in IT infrastructure / systems engineering—ideally approximately 8–10 years or comparable relevant experience
Strong understanding of IT security, firewall, and networking concepts
Experience with modern hybrid IT infrastructures
Experience in several of the following areas: Microsoft 365, Azure / Entra ID, Intune, Active Directory, Windows Server, VMware / vSphere, networking, VPN, endpoint security, or backup & recovery
Experience with IT infrastructure or security projects
Experience with PowerShell, automation, or AI-powered tools is an advantage
Independent and structured approach to work
Confident communication skills in German and English
Willingness to collaborate with internal and external stakeholders in an international environment

Benefits

Comp & perks

Permanent employment contract
25 days of annual leave
38-hour workweek
Hybrid work with 2 days per week on-site
Probationary period: 1 month
Training on the systems landscape during the first few months
Freedom to deepen your technical expertise, automate processes, and try out new tools
International infrastructure projects and IT security enhancement initiatives
Salary above the collective agreement minimum is possible