Network Engineer
On-siteCrofton, Maryland, United States
Job Summary
Design, deploy, and maintain network infrastructure including LAN, WAN, SD-WAN, wireless, and data center environments. Administer and support NETSCOUT nGeniusONE, InfiniStream appliances, Gigamon visibility fabric solutions, TAPs, packet brokers, and traffic aggregation infrastructure. Monitor network health and performance, proactively identifying bottlenecks, while analyzing packet captures to diagnose application and infrastructure issues. Configure routing and switching technologies including BGP, OSPF, EIGRP, VLANs, and MPLS, and collaborate with cybersecurity teams to provide packet visibility for threat detection. Perform capacity planning, network optimization, and infrastructure upgrades, and support cloud connectivity solutions including Azure and AWS networking services. Participate in incident management, root cause analysis, and problem resolution activities.
Required Qualifications
- Bachelor's degree in Information Technology, Computer Science, Engineering, or equivalent experience.
- 5+ years of enterprise network engineering experience.
- Hands-on experience with NetScout nGeniusONE, InfiniStreamNG, and packet analysis tools.
- Hands-on experience with Gigamon Visibility Fabric, GigaVUE appliances, TAP deployment, and packet broker administration.
- Experience with Cisco, Arista, Juniper, or other enterprise networking platforms.
- Strong understanding of TCP/IP, DNS, DHCP, QoS, multicast, routing, and switching technologies.
- Experience troubleshooting network and application performance issues using packet-level analysis.
- Strong analytical, troubleshooting, and documentation skills.
Desired Qualifications
- Cisco certifications (CCNA, CCNP, or CCIE).
- Gigamon Certified Professional (GCP) certification.
- NetScout technical certifications.
- Experience with cloud networking (Azure, AWS, GCP).
- Knowledge of automation tools such as Python, Ansible, or Terraform.
- Experience supporting large-scale data center or hybrid cloud environments.
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