Network Performance Engineer, Netscout- Onsite

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