At The Knot Worldwide, we champion celebration – and that starts with celebrating our people.
Our employees are passionate dreamers, thoughtful doers, and lifelong learners who power meaningful moments for millions around the world.
We're united by authentic connection, shared purpose, and a deep commitment to the global community we serve.
Here, flexibility and belonging go hand in hand with high performance.

About the Role
and Our TeamThe TKWW InfoSec Team is seeking a Senior Security Engineer to lead strategic security initiatives, mentor team members, and address the most complex and ambiguous technical and programmatic security challenges.
You will act as a subject?matter expert, take ownership of critical security domains, influence architectural decisions across engineering teams, and help set the long?term vision for security at TKWW.
Successful Senior Security Engineers at TKWW are recognized as technical leaders who work with full autonomy, solve ambiguous problems, mentor junior team members, and effectively drive cross?functional change.
You must possess exceptional problem?solving and communication skills, a comprehensive understanding of advanced cloud security architectures and emerging threats, the ability to influence technical and executive stakeholders, and a proven track record of delivering highly secure platforms and technologies.
ResponsibilitiesLead and drivethe strategy, design, and implementation of security controls and secure patterns across all TKWW corporate and production environments.
Mentorjunior security engineers and provide technical guidance on complex security issues, fostering a culture of security within engineering.
Architectand implement advanced, secure, and scalable containerized architectures in multi?cloud environments.




Collaboratewith engineering leads to define product and platform roadmaps, ensuring security requirements are integrated from the initial design phase.
Ownand continuously improve threat detection, application security, vulnerability management, and assessment procedures, acting as the final escalation point for complex remediation efforts.
Act as a Subject Matter Expert (SME)for one or more critical security domains (e.
G., Identity and Access Management, Data Protection, Cloud Network Security).
Leadthe response and post?mortem analysis for high?severity security incidents, driving long?term preventative measures.
Identifyand implement strategic opportunities to improve process maturity and automation, including developing sophisticated internal security tools and procedures.
Provide continuous technical support and escalation management for security?related issues throughout TKWW.
Required QualificationsBachelor's Degree in Computer Science or a related field (Master's degree preferred).
A minimum of 5+ years of progressive security engineering or security architecture experience is required, with a focus on large?scale, production environments.5+ yearsof hands?on experience securing cloud applications and infrastructure (AWS strongly preferred, multi?cloud experience a plus).
Proven track record of leading or mentoring major cross?functional projects to their successful completion.




Deep and comprehensive understanding of security vulnerabilities, attacker exploit techniques, and methods for large?scale, automated remediation.
Expert?level understanding of public cloud infrastructure and services in Akamai, AWS (IAM, VPC, KMS, CloudWatch, Systems Manager, S3, RDS, Route53, Lambda, AWS Config, etc.).
Expert?level understanding of Docker and container orchestration with Kubernetes and hands?on experience securing production EKS/GKE clusters.
Proven experience with advanced application security concepts, including designing and securing microservice and API?based architectures.
Experience with security tooling, including WAF and Bot Management platforms.
Excellent written and verbal communication skills, with the ability to articulate complex security risks and technical requirements to both non?technical executive stakeholders and highly technical engineering/DevOps teams.
Proven ability to operate with a high degree of autonomy, acting as a self?starter who drives projects to successful completion with minimal oversight.
Nice to HaveExperience with scripting and automation (Python, Go, or other modern languages).
Relevant industry certifications (e.
G., CISSP, CISM, AWS/Azure Security, GSEC).
Advanced experience in security engineering, DevOps, or IT operations roles, with expertise in CI/CD pipeline security.
Experience in defining and enforcing security policies across a diverse, integral organization.
What We Love About YouCommit to our customers : You act as one team on behalf of our customers.
You lead with head and heart, and build what matters for life's most meaningful moments.
Raise the bar : You define "great" and work backwards.
You don't just accept how it's been done, but boldly define ho

📌 Senior Security Engineer (España)
🏢 The Knot Worldwide
📍 España