Senior Security Engineer
hace 9 horas
**Join Colibrix One - Innovating the Future of Payments**
At **Colibrix One**, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed EMI (FCA reference number 927920) and a Principal Member of Mastercard, we offer real-world financial solutions that include:
- Global card processing
- Digital wallet infrastructure
- Cross-border merchant accounts
- Alternative payment methods (APMs)
- Corporate accounts for legal entities
We’re a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we’re looking for talented professionals who are ready to shape the future of fintech.
At Colibrix One, your work directly powers the digital economy. If you're eager to solve meaningful challenges and build with purpose, we’d love to hear from you.
**Responsibilities**
- Develop and enforce security standards: IAM, access control, data protection.
- Assess cybersecurity risks in the platforms and products.
- Ensure cloud & infrastructure security: AWS, Kubernetes, WAF, IPS.
- Harden networks and integrations: API gateways, secure configs, monitoring.
- Implement DevSecOps practices: sSDLC, security requirements, CI/CD pipelines.
- Conduct code security testing: SAST, DAST, dependency scanning.
- Manage patch & vulnerability lifecycle: scanning, prioritization, remediation.
- Oversee privileged access management: least privilege, session monitoring.
- Support security in system integrations: API security, token management.
- Operate and develop SIEM: log collection, rule tuning, dashboards.
- Participate in incident response: detection, containment, root cause.
- Collaborate on penetration tests: coordinate, fix findings, validate.
- Perform risk & resilience assessments: threat modeling, BCP/DR validation.
- Maintain compliance alignment: PCI DSS, DORA, SWIFT, ISO 27001, etc.
- Operate endpoint protection (optional): MDM, A/V, XDR.
**Requirements**:
- Proven experience in building compliance processes and preparing for external audits.
- Solid understanding of cloud security (AWS, Kubernetes, Terraform).
- Practical experience in DevSecOps and sSDLC tooling and adoption in pipelines.
- Application Security proficiency.
- Experience in incident response and SOC/SIEM operations.
- Proficiency in risk management and business continuity planning.
- Knowledge of PCI DSS, ISO 27001, NIST, GDPR, DORA.
**Nice to have**
- Experience in fintech or banking.
- Participation in certification projects (PCI DSS, ISO, SOC 2).
Relevant certifications: CISSP, AWS Security Specialty. OSCP/E.
- _Employment will be offered through one of the group’s legal entities - Mellifera Kartiera Ltd, Colibrix Ltd, or Mellifera Operations Ltd - depending on the role, location, and applicable legal framework._
- Please note that Colibrix One is a brand representing a group of legal entities. The employment contract will be signed with the relevant company within the group (Mellifera Kartiera Ltd, Colibrix Ltd, or Mellifera Operations Ltd) depending on the nature of the position and jurisdiction_
- This position is offered within the Colibrix one. Employment will be under the appropriate legal entity based on the role and location._
-
Senior Platform Security Engineer
hace 1 semana
barcelona, España Flanks A tiempo completoA fintech company based in Barcelona is looking for a Senior Security Engineer to strengthen their security framework. This role involves evolving security tools, leading initiatives, and collaborating on secure architecture designs. Ideal candidates have extensive experience in ethical hacking, pentesting, and must be proficient in both English and Spanish....
-
Senior Offensive Security Engineer
hace 6 días
barcelona, España Openchip And Software Technologies SL A tiempo completoA cutting-edge technology firm in Barcelona is seeking a Senior Offensive Security Engineer to enhance software security across RISC-V chip projects. The role involves vulnerability assessments, threat modeling, and compliance with industry standards. Ideal candidates will have a relevant degree and between 5-10 years of experience in the field, along with...
-
Senior, Cloud Security Engineer
hace 2 semanas
Barcelona, España News Technology Services A tiempo completoJob Description: As a global media and information services company, News Corp understands the importance of data security and mitigating risk across the organization. We believe in protecting our businesses and customers and are looking to build innovative solutions that will allow us to become a global leader in cyber security. If cyber security is your...
-
Senior Cloud Security Engineer – DevSecOps Lead
hace 1 semana
Barcelona, España Cint A tiempo completoA leading research technology firm in Barcelona is seeking a Senior Cloud Infrastructure Security Engineer to enhance its security posture. The ideal candidate will have substantial cloud infrastructure experience, especially with AWS, and will contribute to the automation of cloud security practices. This is a hands-on role requiring teamwork and problem...
-
Senior Security Engineer — Lead Secure Fintech Platform
hace 1 semana
Barcelona, España Flanks, Inc. A tiempo completoA fintech startup in Barcelona is seeking a Senior Security Engineer to strengthen security foundations. The role involves evolving security culture, performing pentesting, and collaborating on secure architectures. Ideal candidates should have deep experience in ethical hacking and be proficient in both English and Spanish. The company offers a competitive...
-
Senior ML Security Engineer — Robustness
hace 4 días
barcelona, España Keysight Technologies A tiempo completoA leading technology company in Barcelona seeks a Senior AI Security & Robustness Engineer to lead the design and deployment of secure ML systems. This role involves collaborating with researchers and applying advanced techniques to enhance security and robustness within machine learning applications. Ideal candidates will possess a Master's or PhD in...
-
Senior Product Security Engineer
hace 3 días
Barcelona, España Mirantis A tiempo completoJob Description Mirantis is seeking a Senior Product Security Engineer to help secure our portfolio of products and services, including enterprise software and critical infrastructure. This role is part of our growing Product Security program and will play a key role in implementing security controls, driving remediation efforts, supporting compliance...
-
Barcelona, España Flanks, Inc. A tiempo completoA fintech startup in Barcelona is seeking a Senior Security Engineer to strengthen security foundations.¿Está pensando en solicitar este empleo? No se demore, desplácese hacia abajo y envíe su solicitud lo antes posible para no perder la oportunidad.The role involves evolving security culture, performing pentesting, and collaborating on secure...
-
Senior Offensive Security Engineer
hace 2 semanas
Barcelona, España Openchip & Software Technologies A tiempo completoA technology firm specializing in AI and silicon engineering in Barcelona is looking for a Senior Offensive Security Engineer. You will identify vulnerabilities, develop threat models, and ensure compliance with industry-recognized security standards. Ideal candidates should have extensive experience in security engineering and knowledge of cryptography and...
-
Senior Security Engineer
hace 2 semanas
Barcelona, España Welltech A tiempo completo**Who Are We?** Welcome to **Welltech**—where health meets innovation! As a global leader in **Health & Fitness industry**, we’ve crossed over **220 million installs** with life-changing apps, all designed to boost well-being for millions. Our mission? To improve the health of millions of people through intuitive nutrition trackers, powerful fitness...