Senior System Administrator – Internal IT (m/w/d)

Help us accelerate scientific collaboration.

The web was created to help scientists collaborate and share knowledge. Today, we're carrying that mission forward by building technology that makes research more connected, more efficient, and more impactful.

Behind every great product is a great internal IT organization. To keep our teams productive, secure, and focused on what matters most, we rely on a modern, high-performing IT environment. We're looking for an experienced, hands-on IT professional with strong technical expertise, a pragmatic approach, and a passion for continuously improving infrastructure, automation, and the employee experience.

The Role

As our Senior System Administrator, you will play a key role in operating, maintaining, and continuously improving our internal IT environment. This is a full-time, on-site role based in our Berlin office at Chausseestraße, where you'll provide hands-on support, manage our workplace infrastructure, and ensure our systems remain secure, scalable, and reliable. 

This is a role for someone who enjoys thinking strategically while remaining deeply involved in day-to-day operations. From end-user support and endpoint management to networking, infrastructure, automation, and security, you'll have the opportunity to make a meaningful impact across our entire IT landscape.

You'll be the go-to technical contact for internal IT, help establish and improve processes, drive continuous improvements, and step in wherever your expertise is needed.

What You’ll Do

Operativer Betrieb und kontinuierliche Weiterentwicklung unserer internen IT-Infrastruktur und Services

Operate, maintain, and continuously improve our internal IT infrastructure and services

Provide high-quality IT support to employees (hardware, software, account administration, access management, and workplace support)

Manage Windows and macOS endpoints, from provisioning and configuration to ongoing maintenance

Administer user accounts, permissions, and identity and access management (IAM)

Maintain and further develop our network infrastructure

Troubleshoot and resolve hardware, software, and infrastructure issues

Automate recurring administrative tasks and operational workflows

Strengthen our security posture by implementing and improving technical security controls and best practices

Coordinate with external vendors, service providers, and technology partners

Evaluate, introduce, and leverage modern technologies, including AI-powered tools that improve automation, operational efficiency, and employee productivity

What We're Looking For

Our Tech Stack

You'll work with technologies including:

• Google Workspace and Google Cloud Platform (GCP)

• Atlassian (Jira and Confluence) and Slack

• Cisco Meraki and Ubiquiti UniFi

• Windows and macOS

• ManageEngine for endpoint and device management

• Modern AI tools that enhance productivity and automate IT operations

What We Offer

• A high-impact role with significant ownership and autonomy

• The opportunity to shape and influence our internal IT strategy and technology landscape

• Broad technical exposure across infrastructure, networking, security, cloud services, and end-user computing

• Close collaboration with talented, cross-functional teams in a technology-driven organization

• Fast decision-making, minimal bureaucracy, and a pragmatic, execution-focused culture

• A modern on-site workplace in the heart of Berlin

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