Senior Security Engineer - Cloud & AppSec Leader (Hybrid)

The Knot Worldwide Inc.; Barcelona; Hybrid; EUR 90,000 - 140,000; Full time

Job summary

The Knot Worldwide Inc. is seeking a Senior Security Engineer to lead strategic security initiatives across TKWW’s corporate and production environments.

You will mentor engineers, own security domains, and influence architectural decisions to set the long-term security vision. You will design secure containerized patterns in multi-cloud environments, drive threat detection and vulnerability management, and collaborate with product and platform teams to bake security into roadmaps from the

Qualifications

• Bachelor's Degree in Computer Science or related field (Master's preferred).
• 5+ years of progressive security engineering or security architecture experience in large-scale, production environments.
• 5+ years of hands-on experience securing cloud applications and infrastructure (AWS strongly preferred).
• Experience leading cross-functional projects to successful completion.
• Deep understanding of security vulnerabilities and automated remediation techniques.

Responsibilities

• Lead the strategy, design, and implementation of security controls across TKWW environments.
• Mentor junior security engineers and provide technical guidance.
• Architect and implement containerized security in multi-cloud setups (EKS/GKE).
• Collaborate with leads to define product/platform roadmaps with security baked in.
• Own threat detection, vulnerability management, and security postmortems.

Skills

Security leadership

Cloud security

Container security

Threat detection

Communication

Education

Bachelor's Degree in Computer Science

Master's degree preferred

Tools

AWS

Docker

Kubernetes

WAF/Bot security tools

Job description

The Knot Worldwide Inc. is seeking a Senior Security Engineer to lead strategic security initiatives across TKWW’s corporate and production environments.

You will mentor engineers, own security domains, and influence architectural decisions to set the long-term security vision. You will design secure containerized patterns in multi-cloud environments, drive threat detection and vulnerability management, and collaborate with product and platform teams to bake security into roadmaps from the