Global DDoS Defense Architect

Rumble; Toronto; On-site; CAD 132,000 - 158,000; Full time

Benefits offered by this job

Benefits

Equity

Job summary

Rumble is seeking a Senior Infrastructure Engineer (DDoS) to build and operate defenses protecting its global platform from high-volume attacks. You will work across routing, CDN, DNS, and security operations to detect, investigate, and mitigate threats at scale.

This role requires deep networking expertise, strong operational judgment, and the ability to make sound decisions under pressure during incidents.

Qualifications

• 8+ years of relevant network, security, systems, or infrastructure engineering experience.
• Strong understanding of IP networking, TCP/IP, UDP, ICMP, HTTP/HTTPS, TLS, DNS, and internet routing.
• Demonstrated hands-on experience with DDoS detection, mitigation, attack response, or protection of high-traffic internet-facing services.

Responsibilities

• Design, build, operate, and improve Rumble’s DDoS detection, mitigation, and traffic-scrubbing infrastructure.
• Develop resilient network architectures that protect critical services while maintaining availability and performance during high-volume attacks.
• Analyze network telemetry, flow data, packet captures, and traffic patterns to identify attacks and drive mitigation decisions.
• Implement and maintain mitigation controls, including filtering, rate limiting, traffic shaping, ACLs, routing controls, blackholing, sinkholing, and traffic diversion.
• Partner with CDN, DNS, network, systems, and security teams to improve origin protection, anycast resilience, traffic steering, and incident readiness.
• Support capacity planning for attack absorption, mitigation infrastructure, transit connectivity, and operational failover.
• Build automation for detection, alerting, configuration changes, mitigation workflows, and incident reporting.
• Create and maintain runbooks, attack playbooks, infrastructure documentation, and post-incident reviews.
• Participate in an on-call rotation and lead or support response to active security and availability incidents.

Skills

IP networking

DDoS detection

Linux

Python

Bash

Incident response

Network security

Communication

Tools

FlowSpec

BGP

ACLs

DNS

Job description

Rumble is seeking a Senior Infrastructure Engineer (DDoS) to build and operate defenses protecting its global platform from high-volume attacks. You will work across routing, CDN, DNS, and security operations to detect, investigate, and mitigate threats at scale.

This role requires deep networking expertise, strong operational judgment, and the ability to make sound decisions under pressure during incidents.