Senior Network Engineer

Our client is a leading technology company specializing in AI-centric cloud infrastructure, which is reshaping the landscape of artificial intelligence. The company operates one of the most powerful commercially available supercomputers and provides scalable AI cloud infrastructure optimized for AI/ML workloads, leveraging thousands of NVIDIA GPUs, high-performance InfiniBand networking, and managed Kubernetes or Slurm orchestration. Their platform supports AI developers and enterprises requiring large-scale GPU compute power and sustainable, energy-efficient data centers.

To democratize access to high-performance AI infrastructure by delivering innovative, scalable, and sustainable cloud solutions that empower AI developers and enterprises worldwide to accelerate their AI and machine learning workloads with unparalleled efficiency and reliability.

We are seeking a Senior Network Engineer to join our client’s infrastructure team. This role is critical in ensuring the smooth and stable operation of the company’s large-scale data center networks and global backbone. You will design, develop, and maintain advanced network architectures supporting thousands of server ports and GPU cluster interconnects, contributing directly to the company’s mission of delivering cutting-edge AI cloud services. This is a remote US-based role requiring frequent travel to data center sites, as well as the ability to work European time zone hours and collaborate with international teams.

• Ensure stable operation of data center infrastructure, points of presence, and global backbone networks

  Design and develop large-scale data center networks, including InfiniBand-based GPU cluster interconnects

  Develop and maintain monitoring and automation tools to improve network operations

  Provide technical design, operational support, and collaborate cross-functionally with R&D, SRE, ITDC, and network development teams

  Lead and support major network infrastructure upgrades and new region launches

  Liaise with vendors for troubleshooting and network infrastructure testing

  Maintain comprehensive network documentation and testing plans

  Participate in on-call rotations and travel 2-3 times monthly to sites in New Jersey, Kansas City, and occasionally Amsterdam

  Work European time zone hours and coordinate with global teams

  What You Bring

  • At least 5 years of experience working in large, complex technology environments

    Proven ability to manage and support critical infrastructure serving large user bases

    Strong analytical and troubleshooting skills for resolving complex network issues

    Hands-on, proactive approach to maintaining and improving network systems

    Self-motivated and able to work independently while contributing to a high-performing team

    Excellent communication skills with experience collaborating across diverse teams and cultures

    Ability to travel domestically and internationally 2-3 times monthly

    Legal authorization to work full-time in the U.S. without visa sponsorship

    Preferred Technical Skills

    • Networking Certifications: CCNP, CCIE, JNCIE, or equivalent expert-level qualifications

      Routing & Switching: BGP, IS-IS, Segment Routing MPLS (with IPv6), Ethernet switching, VXLAN, ECMP, L3 MPLS VPNs

      Data Center & Cloud Networking: Troubleshooting TCP/IPv4/IPv6 in complex data center topologies (e.g., CLOS networks), cloud overlay network technologies, software-defined networking (SDN)

      Vendor Ecosystem: Hands-on experience with Juniper, Arista, Huawei, and Mellanox network equipment

      Cloud Platforms: AWS, Azure, Google Cloud

      Bonus: Knowledge of GPU and Infiniband networking

      Bonus: Programming skills in Python or Go for network automation

      Bonus: Experience working in Linux environments

      Key Success Drivers

      • Passion for staying current with HPC and AI infrastructure domains

        Commitment to maintaining the highest standards of network reliability and performance in environments where milliseconds matter

        Comfort working with international teams and adapting to different operational requirements across global data center locations

        Drive to expand technical expertise in cutting-edge areas like GPU networking, software-defined infrastructure, and cloud-native networking

        Why Join?

        • Competitive base salary ranging from $115,000 to $145,000 per year plus quarterly performance bonuses

          100% company-paid medical, dental, and vision insurance for employees and families

          401(k) plan with up to 4% company match and immediate vesting

          Generous parental leave (20 weeks primary, 12 weeks secondary caregivers)

          Remote work reimbursement up to $85/month for mobile and internet

          Travel allowance and support for frequent business travel

          Company-paid short-term, long-term disability, and life insurance

          Work with a team operating one of the world’s most powerful supercomputers

          Contribute to sustainable AI infrastructure with energy-efficient data centers that reuse waste heat

          Enjoy a culture that blends startup innovation with the resources of an established company

          Interviewing Process:

          • HR Screening + Candidate Survey

            Level 1: Interview with the Hiring Manager

            Level 2: Internal Routing Skills Interview

            Level 3: External Routing Skills Interview

            Level 4: Automation Skills Interview 

            Reference and Background Checks: Conducted after the successful completion of all interview stages

            Job Offer: Extended to the selected candidate following successful checks

            We are proud to be an equal opportunity workplace and are committed to equal employment opportunity regardless of race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity, or expression, sexual orientation, or any other characteristic protected by applicable federal, state or local law.

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