01Overview
ob Description L2 Anti-DDoS (NETSCOUT Arbor) Engineer
Position: L2 Network Security Engineer Anti-DDoS / NETSCOUT Arbor
Level: L2 247 Support
Experience: 5+ years relevant experience
Locations: Bhubaneswar
Education: BE/B.Tech/BCA or Masters in CS/IT
Preferred Certifications: NETSCOUT Arbor Anti-DDoS certification + Firewall certification such as PCNSA/PCNSE.
Job Summary
We are looking for an experienced L2 Network Security Engineer with strong hands-on expertise in NETSCOUT Arbor Anti-DDoS solutions. The candidate will be responsible for monitoring, troubleshooting and mitigating DDoS attacks while supporting enterprise/banking network-security infrastructure.
The engineer should have practical experience with NETSCOUT Arbor APS, Peakflow and TMS, DDoS attack analysis, traffic monitoring, mitigation-policy configuration and coordination with network teams/ISPs during major incidents.
Key Responsibilities
Monitor DDoS attacks and alerts using NETSCOUT Arbor APS, Peakflow and TMS.
Perform initial incident triage and determine attack type, source and business impact.
Analyze network traffic using NetFlow, sFlow and Arbor analytics.
Identify attacks such as
SYN Flood
UDP Flood
HTTP Flood
DNS Amplification
NTP Amplification
Execute DDoS mitigation actions including rate limiting, filtering, blocking and blackholing.
Configure and fine-tune Arbor mitigation policies, thresholds and detection rules.
Reduce false positives and improve DDoS detection accuracy.
Perform real-time traffic analysis during active attacks.
Troubleshoot legitimate traffic drops and incorrect mitigation triggers.
Coordinate with network teams and ISPs for upstream DDoS mitigation.
Escalate complex incidents to L3 and NETSCOUT vendor support.
Participate in P1/P2 incident bridge and war-room calls.
Monitor health of Arbor appliances including CPU, memory, interfaces and HA.
Support BGP diversion and scrubbing-center traffic flows.
Work with SIEM, NGFW, IPS/IDS and other network-security platforms.
Perform RCA, incident reporting, configuration changes and preventive tuning.
Must-Have Skills
Primary:
NETSCOUT Arbor
Arbor APS
Arbor Peakflow / SP
Arbor TMS
Anti-DDoS / DDoS Mitigation
DDoS Attack Analysis
NetFlow / sFlow
BGP
Traffic Scrubbing
DDoS Mitigation Policies
Secondary:
Palo Alto Firewall
Check Point
NGFW
IPS / IDS
SIEM
Network Security
Incident Response
TCP/IP
DNS
HTTP/HTTPS
SSL/TLS Role & responsibilities
Preferred candidate profile .