Network Infrastructure Engineer Fort Collins, CO (Hybrid) Contract or Full-Time Virtual Interview.
We are seeking a highly skilled Network Infrastructure Engineer to design, modernize, and automate enterprise lab network environments supporting next-generation infrastructure platforms. This role focuses on transitioning traditional edge/core/aggregation network models to a modern spine-leaf architecture while implementing monitoring frameworks, IPAM modernization, and Linux-based automation tooling across multiple lab environments.
You will work closely with architecture, security, and operations teams to deliver scalable, high-performance, and automated network platforms.
Key Responsibilities
Network Architecture & Implementation
Design and migrate traditional networks to spine-leaf architectures using Aruba-based infrastructure
Support overlay gateway termination on both virtualized firewalls and physical ToR devices
Build standardized network models for use across multiple lab environments
Perform LAN/WAN topology design, validation, and performance optimization
Routing, Switching & Segmentation
Configure and troubleshoot enterprise routing and switching (Aruba, Cisco, HPE)
Implement VLAN design, segmentation strategies, and traffic optimization
Conduct site readiness assessments and network capacity planning
Monitoring & Observability
Design and implement a comprehensive monitoring framework using OpsRamp
Integrate dashboards, alerting, and log analysis (OpsRamp, ELK or equivalent)
Ensure proactive detection of performance and availability issues
IPAM & Network Data Modernization
Partner with external vendors to implement new IP Address Management (IPAM) systems
Audit and reconcile VLANs, IP ranges, VTEPs, and historical ownership data
Cross-reference network data with ticketing and operational systems
Linux Automation & Tooling
Deploy and manage Linux-based infrastructure platforms across labs
Develop custom scripts and automation to streamline network operations
Required Skills & Experience
Strong hands-on experience with routing and switching (Aruba, Cisco, HPE)
Deep understanding of spine-leaf network architectures
VLAN segmentation, LAN/WAN design, and enterprise troubleshooting expertise
Experience with network monitoring platforms (OpsRamp preferred; ELK a plus)
IPAM system implementation or migration experience
Linux system administration and automation experience (Python, Bash preferred)
Nice to Have
Experience with overlay networks and virtual firewalls
Data center lab or R&D infrastructure environment experience