Sr. Enterprise Network Engineer

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is searching for a Sr. Enterprise Networks Engineer with strong automation skills to design, implement, and optimize enterprise networks, including wired, wireless, and VPN infrastructure. Your responsibilities will include: • Lead the design, implementation, and optimization of enterprise wired and wireless networks, ensuring scalability, security, and high availability • Own and maintain network connectivity between branch offices around the world, partnering with global teams to standardize architecture and operations • Manage and ensure the reliable operation of remote access systems (VPN), including capacity planning, resiliency, and continuous improvements • Deploy, maintain, and continuously improve automation and monitoring tools; define best practices and drive automation-first operations • Diagnose and resolve complex network issues, including cross-region and cross-provider incidents; perform root cause analysis and implement preventative measures • Test, evaluate, and introduce new equipment and emerging technologies; contribute findings and recommendations into global R&D streams • Collaborate with telecom service providers globally; lead escalations, manage SLAs, and drive service improvements We expect you to have: • In-depth knowledge of TCP/IP technologies • Familiarity with dynamic routing protocols • Experience in automation using Python, Go, or other popular programming languages (ability to design and maintain production-grade automation) • Proficiency in Unix system administration • Hands-on experience with enterprise-grade network hardware (e.g., Cisco, Aruba, Arista, Extreme, Juniper) • Strong ability to work independently, owning outcomes end-to-end in a senior/lead capacity It will be an added bonus if you have: • Experience with network automation frameworks like Ansible, Terraform, NetBox, Nornir, or SaltStack • Experience designing, developing, and operating high-load distributed systems • Experience building high-density enterprise wireless networks (CWNA level or higher) • Working knowledge of IPv6 Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.