Senior Network & Site Reliability Engineer

About the Company

Alembic is the pioneering Causal AI platform. We help the world's largest enterprises move past correlation to prove what actually drives business outcomes. Our models run on our own NVIDIA DGX SuperPOD built on Grace Blackwell infrastructure — one of the fastest private supercomputers in the world.

Responsibilities

• Architect and operate scalable, secure network architecture for high-security requirements and large-scale machine learning workloads
• Own network device configuration management end to end
• Improve system and network reliability and performance through automation, observability, and proactive capacity planning
• Implement and manage complex network protocols including BGP, VPNs, and WAN circuits
• Build and maintain comprehensive monitoring, alerting, and incident response systems
• Ensure security, compliance, and operational readiness across network and cloud infrastructure
• Partner across engineering and data science to drive a culture of performance and reliability

Requirements

• 8+ years in network or infrastructure engineering
• 5+ years in datacenter operations and/or systems and network administration
• Strong background in network security, architecture, design, and operations
• Extensive experience with firewalls, switches, load balancers, BGP, QoS, MPLS, and IPsec VPNs
• Experience with modern datacenter network fabrics (spine-leaf, EVPN/VXLAN, ECMP)
• Proficiency with network automation and IaC (Ansible, Terraform, Nornir)
• Experience with WAN engineering and carrier circuit provisioning
• Familiarity with Kubernetes networking and Linux-based production infrastructure
• Experience with monitoring stacks (Prometheus, Grafana, Datadog, ELK, OpenTelemetry)
• Solid scripting skills in Python or Bash

Preferred Qualifications

• NVIDIA networking technologies (Cumulus Linux, InfiniBand, Spectrum-X, BlueField DPUs)
• Familiarity with data-intensive platforms (Spark, Airflow, Kafka)
• Knowledge of storage network protocols (NFS, LustreFS, iSCSI)
• Experience in high-compliance or SOC 2 environments