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

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, and secure access systems

• Help build the IT foundation supporting world-class quantum research and future commercial quantum platforms

What You Can Expect from eleQtron:

• Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements.

• Flexible working hours: We offer personal freedom through a variety of flexible work schedules.

• Team spirit: In our international and diverse team, and with our regular team events, having fun at work is simply part of the game.

• Further development: We want to grow together and so we offer our team members’ needs-based, individualized further training as well as plenty of room for personal development.

• Wellness Package: We offer health-promoting benefits such as fitness programs like UrbanSportsClub to support your well-being.

• Moving Benefits: A warm welcome! We are happy to support employees who move for us with a bonus.

• At the forefront: Work at the forefront of technology, where academic research meets commercial applications.

• Modern workplace: We have a high-quality infrastructure with laboratory space, offices, and meeting rooms.

How to Apply:

If you enjoy hands-on infrastructure and network engineering and want to contribute to building secure and scalable systems in a deep-tech environment, we would love to hear from you. 

Please send your CV and a short description (one page) of a technical problem you solved, an infrastructure project you delivered, or a system you improved. 

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