Chief Information Security Officer - CISO

Mellifera • Financial and IT consulting services; Barcelona; Híbrido; EUR 110.000 - 125.000; Jornada completa

Descripción de la vacante

A leading fintech company in Barcelona is seeking an experienced Chief Information Security Officer to lead security initiatives. You will ensure system integrity and compliance while mentoring a high-performing team. The ideal candidate will have 7+ years in information security, experience in digital financial services, and fluency in English and Russian. This role offers a competitive salary starting from 5000 EUR net/month and flexible work options.

Servicios

Competitive salary

Flexible / remote work options

Continuous learning opportunities

Formación

• 7+ years in information security leadership, with 3+ in fintech.
• Proven experience securing digital financial services.
• Fluent in English and Russian.

Responsabilidades

• Develop and execute information security strategy.
• Oversee design and enforcement of security policies.
• Lead security risk assessments and incident response.

Conocimientos

Information security leadership

Compliance with regulatory frameworks

Cloud security

Communication skills

Risk management

Educación

Bachelor’s or Master’s degree in Information Security or related field

Herramientas

FortiGate (VPN, WAF, network perimeter)

Descripción del empleo

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.

About the Role

We are looking for an experienced and strategic Chief Information Security Officer (CISO) to lead our information and cyber security function. This role is critical to ensuring the integrity, confidentiality, and availability of our systems, especially as we continue to scale our operations in the fintech and payments landscape.

The ideal candidate has a strong background in securing digital financial services, compliance with regulatory frameworks, and implementing enterprise-level security programs in high-growth environments.

Key Responsibilities

• Develop and execute the company’s information security strategy, aligning with business objectives and risk tolerance.
• Oversee the design and enforcement of security policies, protocols, and standards.
• Lead security risk assessments, vulnerability management, and incident response planning.
• Ensure compliance with industry regulations such as PCI DSS, PSD2, ISO 27001, GDPR, and other local / international standards.
• Collaborate closely with engineering, product, and legal teams to embed security in product and infrastructure development.
• Establish robust third-party risk management processes for vendors and partners.
• Monitor threat intelligence, identify emerging risks, and proactively adapt security posture.
• Build and mentor a high-performing security team, fostering a culture of security across the company.
• Report regularly to executive leadership and the board on security posture, incidents, and ongoing improvements.

Qualifications

• Proven experience (7+ years) in information security leadership, with at least 3+ years in a fintech or payments company.
• Deep understanding of payment systems, digital wallets, card processing, and transaction security.
• Strong knowledge of security frameworks and compliance standards relevant to fintech.
• Experience with cloud security (e.g., AWS, GCP, Azure) and DevSecOps principles.
• Hands-on expertise in managing security incidents, audits, and regulatory inquiries.
• Exceptional communication skills with the ability to influence stakeholders at all levels.
• Relevant certifications (CISSP, CISM, CISA, PCI ISA, etc.) are a strong plus.
• Bachelor’s or Master’s degree in Information Security, Computer Science, or related field.
• Hands-on experience with FortiGate (VPN, WAF, network perimeter).
• Fluency in English and Russian languages (both spoken and written).

What We Offer

• Opportunity to shape the security landscape of an innovative fintech company.
• Collaborative, mission-driven environment with a focus on impact.
• Competitive salary and benefits package.
• Flexible / remote work options.
• Continuous learning and development opportunities.

Salary

Starting from 5000 EUR net per month

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.

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