We’re united by authentic connection, shared purpose, and a deep commitment to the general community we serve. Here, flexibility and belonging go hand in hand with high performance.

The 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. 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.

Lead and drive the strategy, design, and implementation of security controls and secure patterns across all TKWW corporate and production environments.

Mentor junior security engineers and provide technical guidance on complex security issues, fostering a culture of security within engineering.

Architect and implement advanced, secure, and scalable containerized architectures in multi‑cloud environments.

Identity and Access Management, Data Protection, Cloud Network Security).

Lead the response and post‑mortem analysis for high‑severity security incidents, driving long‑term preventative measures.

Provide continuous technical support and escalation management for security‑related issues throughout TKWW.

Bachelor's Degree in Computer Science or a related field (Master's degree preferred).





- 5+ years of 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.
- 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.
- 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.

Experience with scripting and automation (Python, Go, or other modern languages).

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, global organization.

You don't just accept how it’s been done, but boldly define how it should be. From mental wellbeing, physical health and financial planning,



to engaging perks and discounts, we are in the business of celebrating and supporting the Moments that Matter, both in and out of the office. is our approach to hybrid work. It’s designed to support how we work best: combining the flexibility we value with meaningful opportunities to connect in person. For ‑eligible roles , this includes regular in‑office time to foster collaboration and connection.

For roles not eligible for in‑office expectations , we support connection through virtual collaboration and intentional gatherings.

To facilitate in‑person collaboration, we have office spaces in Barcelona, Spain; In addition to federal law requirements, The Knot Worldwide complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. The Knot Worldwide expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

Privacy Notice: The Knot Worldwide (TKWW) processes your personal data to evaluate your application, based on the legal ground of taking steps prior to entering into a potential employment contract. Only the data strictly necessary for this purpose is collected. In some cases, your data may also be processed based on TKWW’s legitimate interests (e.g., You have the right to access, rectify, or delete your data, and to object to certain uses. To learn more about your rights, please consult our Privacy Policy. If you wish to file a complaint, you may contact the competent data protection authority.

#

📌 Senior Security Engineer(Hybrid) (Barcelona)
🏢 The Knot Worldwide
📍 Barcelona