Netscout Engineer

Calance; Greenwood Village (CO); On-site; USD 110,000 - 160,000; Full time

Job summary

Calance is seeking an experienced Network Performance Engineer in Denver to support enterprise network health and performance. The role focuses on Netscout-based monitoring, dashboard design, and incident response with close collaboration across NOC and engineering teams.

The ideal candidate brings hands-on Netscout experience, a solid foundation in network engineering, and a talent for turning data into actionable visual insights for IT leadership.

Qualifications

• Bachelor's degree in CS/IT or equivalent work experience.
• 3+ years hands-on Netscout experience.
• Strong knowledge of TCP/IP, BGP, OSPF, MPLS, QoS and VLANs.
• Experience with packet capture and DPI tools.
• Ability to design and implement network performance dashboards.
• Proficient troubleshooting Layer 2–7 in large environments.
• Ability to present technical findings to non-technical audiences.

Responsibilities

• Monitor, support, and troubleshoot the enterprise network using Netscout platforms.
• Serve as SME for Netscout tools and provide Tier 2/3 incident support.
• Identify and resolve network performance issues and anomalies.
• Design and maintain real-time dashboards within nGeniusONE, Grafana, Splunk.
• Translate KPIs into executive-ready dashboards and alerts.
• Collaborate with NOC and engineering teams; maintain runbooks and docs.
• Participate in capacity planning and on-call incident response.

Skills

Network engineering

Data analysis

Dashboard design

Incident response

Communication

TCP/IP routing protocols

Education

Bachelor's degree in Computer Science or IT

Tools

Netscout nGeniusONE

Netscout InfiniStream

Netscout nGenius Pulse

Netscout ASI

Grafana

Splunk

SolarWinds

ThousandEyes

AppDynamics

Python

Job description

\"Onsite position in Greenwood Village, CO - W2 only\"

Position Summary

Seeking an experienced Network Performance Engineer with deep expertise in Netscout technologies to join Denver-based infrastructure team. This role is critical to maintaining the health and performance of the enterprise network, supporting day-to-day infrastructure operations, and designing and implementing advanced dashboards that provide real-time visibility into network performance. The ideal candidate brings hands-on Netscout experience, a strong foundation in network engineering, and a knack for translating data into actionable visual insights.

Key Responsibilities

Network Infrastructure Support

• Monitor, support, and troubleshoot the client's enterprise network infrastructure using Netscout nGeniusONE and InfiniStream platforms
• Serve as a subject matter expert (SME) for Netscout tools, providing Tier 2/3 support for network performance incidents
• Identify and resolve network anomalies, packet loss, latency, and application performance degradation
• Collaborate with NOC, network engineering, and applications teams to correlate performance data and drive root-cause analysis
• Maintain and optimize Netscout probe and InfiniStream appliance deployments across key network segments
• Support change management activities, ensuring network changes are validated with pre/post performance comparisons

Dashboard Design & Implementation

• Design, build, and maintain real-time performance dashboards within nGeniusONE and other visualization platforms (e.g., Grafana, Splunk, or similar)
• Translate network KPIs and SLA metrics into intuitive, executive-ready dashboards for IT leadership and operations teams
• Develop custom views, reports, and alerts that enable proactive identification of performance trends and capacity issues
• Work closely with stakeholders to gather requirements and iterate dashboard designs based on operational feedback
• Document dashboard standards, data sources, and refresh processes for ongoing maintainability

General Engineering Responsibilities

• Participate in capacity planning and performance baselining efforts
• Contribute to network architecture discussions, providing performance data to support infrastructure investment decisions
• Author and maintain runbooks, SOPs, and technical documentation
• Support on-call rotation and participate in major incident response as needed

Required Qualifications

• 3+ years of hands-on experience with Netscout platforms (nGeniusONE, InfiniStream, nGenius Pulse, or ASI)
• Strong working knowledge of network protocols: TCP/IP, BGP, OSPF, MPLS, QoS, VLANs
• Experience with packet capture analysis and deep packet inspection (DPI) tools
• Demonstrated ability to design and implement network performance dashboards
• Proficiency troubleshooting Layer 2–7 network issues in large enterprise or service provider environments
• Experience with SNMP, NetFlow/IPFIX, and syslog integration for monitoring and alerting
• Strong analytical and communication skills; ability to present technical findings to non-technical audiences
• Bachelor's degree in Computer Science, Information Technology, or equivalent work experience

Preferred Qualifications

• Familiarity with additional monitoring tools: SolarWinds, ThousandEyes, Grafana, or AppDynamics
• Scripting/automation skills (Python, Ansible, or Bash) to enhance monitoring workflows
• Cisco CCNP, CCIE, or equivalent industry certification
• Experience with SD-WAN, cloud networking (AWS/Azure), or hybrid network environments
• Knowledge of ITSM platforms (ServiceNow) and ITIL processes