Job Description

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

As a Staff Network Solutions Architect, you will drive the technical definition, design, and architectural leadership for network architectures and services within cloud environments, driving innovative solutions that enable the organization’s strategy. You will act as the key technical expert for cloud networking within the team. This role requires collaboration with cross-functional teams—including different network teams, product development, and the wider cloud platform organization—to ensure that all proposed solutions are scalable, secure, and follow industry best practices. You will bridge the technical gap between these groups.

Tasks

• Lead the network architecture for the IONOS public cloud environment, ensuring alignment with overall Hosting infrastructure strategy.
• Collaborate with Product Owners, DevOps, SDN developers, cross-platform, and network engineering teams to define technical and product solutions, ensuring proposed solutions are feasible, scalable, and aligned with architectural standards.
• Provide technical input into product and technology roadmaps, anticipating future business and technical needs.
• Research, evaluate, design, and deploy emerging networking technologies (SDN, virtual networking, automation, security frameworks).
• our stakeholders and enterprise customers, translating high level business needs into detailed technical tasks.
• Design high-level and low-level network architectures (HLD/LLD) and maintain rigorous architectural documentation.

Qualifications

• 10+ years of experience in network architecture and design, including public cloud platforms (AWS, Azure, GCP).
• Deep understanding of DC fabric architectures and implementation of the network services and VNFs on top of them.
• Strong expertise in SDN, NFV, routing, switching, firewalling, and hybrid networking
• Proven experience leading complex network projects as both architect and technical leader.
• Design of secure, scalable, and resilient networks across public cloud environments.
• Solid experience with virtualized environments and their components ( KVM, Open vSwitch, Linux bridges).
• Familiarity with automation and DevOps practices for networking (Netbox, Terraform, Ansible, CI/CD).
• Strong background in Linux systems, including Python, NFtables, IPtables, Git.
• Documentation and architecture skills (HLD, LLD, diagrams).
• Excellent communication skills, with the ability to translate complex technical concepts into clear business value for diverse stakeholders.
• High degree of resilience and adaptability, with the ability to remain effective and deliver results in fast-paced, high-pressure environments.

Languages

• English required, German preferred, Spanish bonus.

Benefits

• Hybrid working model.
• Flexible working hours through trust-based working hours.
• At some locations a subsidized canteen and various free drinks.
• Modern office space with very good transport connections.
• Various employee discounts for activities and products.
• Employee events such as summer and winter parties, as well as workshops.
• Numerous training and development opportunities.
• Various health offers, such as sports and health courses.

About IONOS

IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve.

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.