Network Engineer - Data Center Fabric (L3)

Cygnus Professionals Inc.
Dallas, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Dallas, United States of America

Tech stack

Artificial Intelligence
Computer Networks
Continuous Integration
Data Centers
JSON
Jinja (Template Engine)
Python
Network Installation Services
Cisco Nexus Switches
YAML
AI Infrastructure
Load Balancing
Computer Network Operations
Data Center Networking
Git Flow
Infrastructure Automation Frameworks
Low Latency
Open Network Automation Platform
Cisco networks

Requirements

We are seeking highly experienced Data Center Network Engineers with strong expertise in modern EVPN-VXLAN fabrics, AI/ML networking, automation, and large-scale DC buildouts. The ideal candidate will have deep hands-on experience designing, deploying, automating, and operating enterprise-grade and AI-ready data center fabrics using CI/CD-driven infrastructure delivery models.

This role requires strong technical depth, architecture-level understanding, and the ability to work directly with customers, engineering teams, and account stakeholders in fast-paced enterprise environments., + NDFC (Nexus Dashboard Fabric Controller)

  • Cisco Nexus-based Data Center fabrics
  • Proven expertise in:
  • Large-scale EVPN fabric design and deployment
  • Fabric operations and troubleshooting
  • Multi-spine/leaf architectures
  • Data Center buildouts and migration projects

AI/ML Networking

  • Strong understanding of AI/ML networking concepts and GPU cluster networking
  • Hands-on experience with:
  • RoCEv2 configuration and tuning
  • Dynamic Load Balancing (DLB)
  • GPU fabric optimization
  • Low-latency/high-throughput networking environments, * Strong automation background with:
  • Python
  • Jinja2 templating
  • YAML/JSON
  • Git-based workflows
  • Experience building and maintaining:
  • CI/CD pipelines for network deployments
  • Automated configuration deployment frameworks
  • Infrastructure-as-Code (IaC) workflows
  • Hands-on experience with:
  • Cisco CNC
  • Infrahub by OpsMill
  • Network automation frameworks/tools

Architecture & Design

  • Experience performing:
  • Architecture reviews
  • Design validation
  • Fabric templating
  • Deployment validation
  • Operational readiness reviews

Soft Skills / Stakeholder Management

  • Excellent communication and stakeholder management skills
  • Ability to interface effectively with:
  • Customers
  • Account teams
  • Engineering teams
  • Operations teams
  • Ability to lead technical discussions and drive resolution in dynamic enterprise environments, * 8+ years of Networking experience
  • 5+ years focused on modern Data Center technologies
  • Proven L3 engineering experience in enterprise or hyperscale environments
  • Experience supporting production-critical data center infrastructure, * Experience with AI infrastructure networking
  • Experience with automation-first network operations
  • Cisco Data Center certifications preferred
  • Exposure to GPU cluster networking environments preferred

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