About the role

What will you do at Select Minds LLC?

Benefits

Hybrid

Competitive salary

Opportunity for advancement

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
Infrastructure automation frameworks (Ansible, scripts, APIs)
Flexible work from home options available.

Which skills does this role require?

Network ArchitectureSpine-Leaf ArchitectureArubaCiscoHPERoutingSwitchingVLAN SegmentationLAN/WAN DesignOpsRampIPAM ModernizationLinux AutomationNetwork InfrastructureEnterprise LabNext-Generation InfrastructureEdgeCoreAggregationMonitoring FrameworksAutomation ToolingOverlay GatewayVirtualized FirewallsToR DevicesLAN/WANTraffic OptimizationVTEPs

Make your next move

Build a shortlist and prepare

Identify the requirements you can demonstrate, then choose examples from your work to discuss with the hiring team.

Build a focused shortlist before you applyCompare role requirements with your experience and give each application a clear reason.
Platform engineering jobsCompare current openings and review what to look for in this role.
Practice explaining your experience in an interviewRehearse your answers before meeting the hiring team.

Review the responsibilities and requirements before adding an opening to your shortlist.