Senior Network Engineer

US$ 210,000 – 240,000 per year · Full-time · On-site · Mid / senior

  • Dunwoody · GA
  • Posted 3 h ago
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Job description

About Us

Alembic is the pioneering Causal AI platform. We help the world's largest enterprises move past correlation to prove what actually drives business outcomes — the question marketing and growth teams have never been able to answer with confidence. Fortune 100 companies including Nvidia, Delta Air Lines, and Mars use Alembic to make multimillion-dollar decisions on trusted, causal evidence.

We're backed by a $145M Series B from WndrCo (founded by Jeffrey Katzenberg), Jensen Huang, Joe Montana, Prysm Capital, and Accenture. Our models run on our own NVIDIA DGX SuperPOD built on Grace Blackwell infrastructure — one of the fastest private supercomputers in the world. (We've melted GPUs getting here.)

About the Role

Build the infrastructure behind high-performance AI systems

We’re building infrastructure that has to perform under real-world scale, reliability, and security demands–and we’re looking for an engineer who wants to own the foundation it runs on.

This isn’t a traditional “keep the lights on” infrastructure role.

You’ll design and operate the global network and reliability layer powering distributed compute, ML workloads, real-time analytics systems, and mission-critical enterprise infrastructure. You’ll work across networking, systems, automation, observability, and reliability engineering to help scale a platform where performance actually matters.

If you like solving deep infrastructure problems, building resilient systems, automating everything repetitive, and having meaningful influence over architecture decisions — you’ll probably enjoy this role.

Key Responsibilities

  • Architect and operate scalable network architecture to support high security requirements and machine learning workloads

  • Own and manage network device configuration management, ensuring consistency and reliability

  • Improve system and network reliability and performance through automation, observability, and proactive capacity planning

  • Implement and manage complex network protocols, including BGP and VPN configuration

  • Engineer and manage WAN circuits and external connectivity

  • Implement and maintain comprehensive network monitoring, alerting, and incident response processes (SLOs, runbooks, on-call rotations)

  • Collaborate across engineering and data science teams to drive a culture of performance and reliability

  • Ensure security, compliance, and operational readiness across our network and cloud infrastructure

  • Drive post-incident analysis and continuous improvement initiatives

Must-Have Qualifications

  • 8+ years of experience in network engineering or infrastructure engineering roles

  • 5+ years of experience with datacenter operations and/or system and network administration

  • Strong background in network security, architecture, design, and operations

  • Extensive experience managing network devices like Firewalls, switches, load balancers, etc.

  • Extensive experience with large-scale network architectures and protocols, including BGP, QoS, MPLS and IPsec VPNs

  • Experience designing and operating modern datacenter network fabrics (spine-leaf, EVPN/VXLAN, ECMP)

  • Experience with network automation frameworks and IaC tooling such as Ansible, Terraform, Nornir, or similar technologies

  • Experience with IPAM/DCIM platforms such as NetBox, Infoblox, or similar systems

  • Experience with WAN engineering, carrier circuit provisioning and external network peering

  • Familiarity with Kubernetes networking concepts, including CNI plugins, ingress, service networking, and network policy

  • Strong operational experience with Linux-based production infrastructure

  • Experience with monitoring and observability stacks (e.g., Prometheus, Grafana, Datadog, ELK, OpenTelemetry)

  • Good programming skills and ability to apply sound coding principles to scripting with languages such as Bash (shell scripting) and/or Python.

  • Ability to debug complex network and system issues and automate solutions in scripting languages

  • Excellent communication skills and the ability to work cross-functionally

Nice-to-Have

  • Experience with NVIDIA networking technologies such as Cumulus Linux, InfiniBand, Spectrum-X and BlueField DPUs

  • Familiarity with data-intensive platforms (Spark, Airflow, Kafka, etc.) and data storage network protocols (NFS, LustreFS, iSCSI)

  • Experience with security practices for applications and infrastructure

  • Experience in high-compliance or SOC-2 environments

What You’ll Get

  • Ownership of mission-critical network and infrastructure in a company solving real-world enterprise problems

  • A front-row seat to a high-performance engineering culture

  • The ability to influence how our network scales—from architecture to incident management

  • An environment that values curiosity, accountability, and impact

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