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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Performance Engineer - **Company:** Stellent IT LLC - **Location:** Greenwood Village, CO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Application Performance Management, Microsoft Azure, Bash Shell, Border Gateway Protocol, Cloud Computing, Network Congestion, Deep Packet Inspection, Monitoring of Systems, IT Management, Multi-protocol Systems, Python (Programming Language), Network Troubleshooting, NetFlow, Network Architecture, Packet Analyzer, Open Shortest Path First (OSPF), Ansible, Simple Network Management Protocols, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Scripting, Grafana, NetScout, Information Technology, Low Latency, SolarWinds (Software), Splunk, Appdynamics, Cisco, Servicenow - **Published:** June 15, 2026 - **Apply:** https://www.dice.com/job-detail/4a7987ac-e782-45ba-9dc9-a2bfab006ba8 ## About the Role * 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, * Experience in a cable, telecom, or large ISP/MSO environment * 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 ## Description seeking an experienced Network Performance Engineer with deep expertise in Netscout technologies to join its Denver-based infrastructure team. This role is critical to maintaining the health and performance of the client's 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., 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 ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [How I saved 200K/yr in direct costs writing 0 code lines in K8s](https://www.wearedevelopers.com/videos/1055-how-i-saved-200k-yr-in-direct-costs-writing-0-code-lines-in-k8s) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)