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Senior Security Engineer

COLIBRIX ONEBarcelona, Cataluña, España

Hace 1 día

Descripción del trabajo

Overview

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 ) 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.

Role

We\'re looking for a skilled Senior Security Engineer to design and implement security solutions, improve detection and response capabilities, and support secure infrastructure at scale. You\'ll work closely with engineering teams to embed security into development and operations, manage vulnerabilities, and contribute to cloud and application security initiatives.

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.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Other

Industries

IT Services and IT Consulting

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Security Engineer • Barcelona, Cataluña, España