Network Performance Engineer | Netscout

IS3 Solutions

Greenwood Village, CO

JOB DETAILS
SKILLS
Amazon Web Services (AWS), Analysis Skills, Ansible, BGP, Bash Scripting, CCNP - Cisco Certified Network Professional, Capacity and Performance Management, Change Management, Cloud Computing, Communication Skills, Computer Science, Health Maintenance, IT Service Management (ITSM), ITIL (IT Infrastructure Library), Identify Issues, Incident Response, Information Technology & Information Systems, MPLS (Multi-Protocol Label Switching), Microsoft Windows Azure, Netflow, Network Administration/Management, Network Architecture/Engineering, Network Operations Center, Network Performance/Analysis, Network Protocols, Network Support, On Call, Open Shortest Path First Protocol (OSPF), Performance Engineering, Presentation/Verbal Skills, Python Programming/Scripting Language, QoS (Quality of Service), Root Cause Analysis, SNMP (Simple Network Management Protocol), Scripting (Scripting Languages), ServiceNow, Standard Operating Procedures (SOP), TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Presentation, Technical Writing, Telemetry, VLAN (Virtual Local Area Network), Wide Area Network (WAN), Work From Home, Writing Skills
LOCATION
Greenwood Village, CO
POSTED
9 days ago

Seeking a Network Engineer with deep experience 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. The ideal candidate brings hands-on Netscout experience and other telemetry tools.

Key Responsibilities

Network Infrastructure Support

  • Monitor, support, and troubleshoot the client's enterprise network infrastructure using Netscout nGeniusONE and InfiniStream platforms

  • Providing 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

  • Participate in capacity planning and performance baselining efforts

  • Contribute to network architecture discussions, providing performance data to support infrastructure investment decisions

  • Author and help maintain runbooks, SOPs, and technical documentation

  • Support on-call rotation and participate in major incident response as needed

Required Qualifications

  • 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
  • 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 or equivalent industry certification
  • Experience with SD-WAN, cloud networking (AWS/Azure), or hybrid network environments
  • Knowledge of ITSM platforms (ServiceNow) and ITIL processes

Work Arrangement

This is a hybrid position based in Denver, Colorado. Candidates are expected to be onsite at the client's Denver offices 3–4 days per week. Remote work is permitted on remaining days. Candidates must be local to the Denver metro area or willing to relocate prior to start date.

About the Company

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IS3 Solutions