Senior Network Analyst, Packet Broker, Anti-DDoS

Vivovita

. Operate, administer, monitor, and improve cyberattack protection mechanisms, with a focus on DDoS attacks, network traffic analysis, and incident response .

Posted 10/14/2026full-timeRio de Janeiro • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in DDoS attack mitigation, network traffic analysis, and incident response, with a strong focus on configuring and tuning Anti-DDoS solutions and collaborating with cross-functional teams during security incidents.

Highest-signal resume keywords

DDoS Attack MitigationNSFOCUS Anti-DDoS SolutionNetwork Traffic AnalysisIncident ResponseNetwork Flow Analysis

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

DDoS Attack ConceptsVolumetric Attack MitigationProtocol Attack MitigationApplication-Layer Attack MitigationTraffic AnalysisAnomaly DetectionTCP SYN Flood KnowledgeUDP Flood KnowledgeICMP Flood KnowledgeDNS Flood Knowledge

Tools & Technologies

NTA ToolsWeb Application FirewallsIDS/IPSCloud Mitigation ServicesNetFlowSFlowIPFIX

Certifications & Qualifications

CCNACCNPFortinet Certified Solution Specialist (FCSS)

Industry Keywords

Traffic FiltersRate LimitingBlackhole/RTBHBGPTraffic Redirection

Tech Stack

Tools & technologies

CloudDNSFirewalls

About the role

Key responsibilities & impact

Operate, administer, monitor, and improve cyberattack protection mechanisms, with a focus on DDoS attacks, network traffic analysis, and incident response
Monitor and analyze security events related to DDoS attacks and traffic anomalies
Operate and administer NSFOCUS Anti-DDoS solutions
Perform traffic analysis to identify anomalous and malicious behavior
Detect, analyze, and mitigate volumetric, protocol, and application-layer attacks
Configure and tune Anti-DDoS policies, rules, thresholds, and mitigation mechanisms
Analyze bps, pps, sessions, connections, source/destination IPs, and protocols
Use NTA tools to investigate anomalies and identify attack patterns
Correlate information from NTA, Anti-DDoS, firewalls, IDS/IPS, SIEM, NetFlow/sFlow, and other telemetry sources
Support security incident investigation and response
Troubleshoot outages, performance degradation, and network attacks
Assess false positives and tune detection and mitigation mechanisms
Track security and availability indicators and metrics
Prepare technical and post-incident reports, including root cause, impact, containment, and recommendations
Collaborate with Network, SOC, Infrastructure, Cloud, and Telecom teams during critical incidents
Participate in the development and review of procedures, playbooks, and incident response plans
Support contingency, capacity, and infrastructure resilience testing against DDoS attacks
Work with Web Application Firewalls, IDS/IPS, and Cloud Mitigation Services
Keep technical documentation on topology, traffic flows, policies, and mitigation procedures up to date

Requirements

What you’ll need

Hands-on experience with DDoS attack concepts and techniques
Knowledge of volumetric, protocol, and application-layer attacks
Experience mitigating L3/L4/L7 attacks
Knowledge of TCP SYN Flood, UDP Flood, ICMP Flood, DNS Flood, and HTTP Flood attacks
Knowledge of BPS and PPS, sessions, and concurrent connections
Knowledge of Blackhole/RTBH, rate limiting, traffic filters, and ACLs
Knowledge of on-premises, cloud, and hybrid mitigation architectures
Knowledge of scrubbing centers and traffic redirection
Knowledge of BGP and traffic diversion/attraction mechanisms
Experience with the NSFOCUS Anti-DDoS solution
Strong knowledge of NetFlow, sFlow, IPFIX, and network flow analysis
Knowledge of anomaly detection, baselining, top talkers, protocols, and ports
Knowledge of identifying scanning, flooding, anomalous communications, and suspicious lateral traffic
Knowledge of correlating network events with security incidents
Bachelor’s degree in Information Security, Computer Networks, Computer Science, Computer Engineering, Information Systems, or a related field
Knowledge of BGP FlowSpec and Wireshark is a plus
CCNA/CCNP and Fortinet Certified Solution Specialist (FCSS) Network Security certifications are desirable

Benefits

Comp & perks

Meal voucher (Pluxee Benefits)
Medical and dental insurance (also available to dependents)
Childcare assistance
Life insurance
Private pension plan
Birthday day off (one day off during your birthday month)
Profit sharing
Exclusive Vivo employee offer (50% off the bill in your name), with special discounts on fixed-line, broadband, and TV services
Discounts at universities, training programs, and continuing education courses
Partnerships with Sesc and Senai
Wellness programs