Network Performance Engineer Netscout

Calance US; Englewood (CO); On-site; USD 6,199,000 - 8,679,000; Full time

Job summary

Calance US in Greenwood Village, CO is seeking a Network Performance Engineer with deep Netscout expertise to join our Denver-based infrastructure team. You will monitor and optimize the enterprise network and design dashboards to provide real-time visibility.

The ideal candidate has hands-on Netscout experience (nGeniusONE, InfiniStream, nGenius Pulse or ASI), strong knowledge of TCP/IP and routing protocols, and a talent for turning data into actionable insights.

Qualifications

• 3+ years hands-on Netscout platform experience.
• Strong working knowledge of TCP/IP, BGP, OSPF, MPLS, QoS, VLANs.
• Experience with packet capture analysis and DPI tools.
• Ability to design and implement network performance dashboards.
• Experience with SNMP, NetFlow/IPFIX, and syslog integration.
• Bachelor's degree in Computer Science, Information Technology, or equivalent work experience.

Responsibilities

• Monitor, support, and troubleshoot enterprise network using Netscout platforms.
• Provide Tier 2/3 support for network performance incidents.
• Identify and resolve network anomalies, latency, and application performance degradation.
• Collaborate with NOC and applications teams to drive root-cause analysis.
• Maintain and optimize Netscout deployments across key network segments.
• Design, build, and maintain real-time dashboards for performance visibility.
• Document dashboard standards, data sources, and refresh processes.
• Support on-call rotation and participate in major incident response.

Skills

Network performance analysis

Strong analytical skills

Effective communication

Education

Bachelor's degree in Computer Science or related field

Tools

Netscout nGeniusONE

Netscout InfiniStream

Netscout nGenius Pulse

Netscout ASI

DPI tools

SNMP

NetFlow/IPFIX

Grafana

Splunk

Job description

Job Description

We are hiring Network Performance Engineer, Netscout- Onsite for a Contract position in Greenwood Village, CO

Network Performance Engineer, Netscout

"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

Estimated Pay Range: 45-63/hr