Senior IT Infrastructure & Network Engineer (f/m/d)

About the role

eleQtron develops and operates full-stack quantum computers based on trapped-ion technology. Quantum computing is a new computing paradigm rapidly approaching commercial viability. Our unique approach combines laser-cooled trapped ions with microwave control and tailored magnetic fields. Our next-generation computing machines under development will be able to find solutions to problems that are out of reach today, thus enabling new innovative products and services for a brighter future. Role Overview: We are looking for a Senior IT Infrastructure, Network & Secure Access Engineer to support and evolve our internal IT environment at eleQtron. This is a hands-on role focused on implementing and operating secure, scalable IT systems across multiple locations. In this role, you will act as the primary IT representative for our Hamburg site, working across infrastructure, networking, secure access, and engineering environments to support both research and business operations. You will work closely with IT Leadership to execute eleQtron's infrastructure, networking, and secure access strategy. Responsibilities:  Implement and operate IT infrastructure across cloud, network, endpoint, and secure access environments Act as the primary IT contact and technical representative for the Hamburg site while supporting users and infrastructure across all eleQtron locations  Implement and maintain monitoring, observability, and alerting solutions across infrastructure, networks, engineering platforms, development systems, and secure access environments  Support Microsoft 365 services, Azure infrastructure, identity management, and endpoint management platforms (Intune, Autopilot, Entra ID) Support and maintain internal development platforms, including GitLab, CI/CD environments, and license servers Design, implement, and maintain enterprise network infrastructure, including switching, segmentation, wireless networking, and secure connectivity  Support secure access solutions, including Microsoft Global Secure Access, Zero Trust Network Access (ZTNA), VPN technologies, and identity-based access  Support the integration of engineering systems, laboratory environments, and customer deployments, including secure connectivity and site integration activities   Troubleshoot complex infrastructure, networking, and connectivity issues Contribute to documentation, operational procedures, and the continuous improvement of IT systems and services Required Skills: 4–7 years of experience in IT infrastructure, network engineering, or similar technical roles Hands-on experience with Microsoft 365, Entra ID, Intune, endpoint management, and cloud platforms, preferably Microsoft Azure Solid understanding of networking concepts, including TCP/IP, DNS, VLANs, routing, switching, and network segmentation  Experience with enterprise networking technologies such as Palo Alto, Aruba, HPE/HP, or equivalent enterprise platforms    Understanding of modern security concepts, including MFA, Conditional Access, Zero Trust, and identity-based access  Strong troubleshooting, communication, and documentation skills A structured, hands-on approach with the ability to work independently and take ownership Nice to Have: Experience with GitLab, CI/CD, or DevOps platforms Experience with PowerShell, Bash, or other scripting and automation tools Experience with Microsoft Global Secure Access, ZTNA, Zscaler, WireGuard, OpenVPN, or similar solutions Experience supporting engineering, laboratory, manufacturing, or customer environments Experience with monitoring platforms such as Grafana, Prometheus, Azure Monitor, or Microsoft Sentinel Microsoft certifications (AZ-104, AZ-500, SC-300, MD-102, or equivalent) Why Join Us: Work in a cutting-edge quantum technology company  Be part of building a modern, secure, and scalable IT environment from the ground up  Take on a hands-on role with real impact across infrastructure, networking, engineering

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