Senior Linux Security Engineer

This is Adyen

Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft—making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.

We are a team of motivated individuals tackling unique technical challenges at scale, and together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Our environment fosters opportunities for growth, backed by a culture that empowers our people to truly own their careers.

The Role

Adyen is seeking an experienced Linux Security Engineer to join our Infrastructure Security team in Amsterdam. You will play a critical role in securing and scaling our real-time, distributed 24/7 infrastructure. As a Linux Security Engineer, you will be responsible for building, maintaining, and optimizing the security aspects of our platform. You will design and implement robust threat prevention and detection capabilities, system hardening, and secure configurations that protect our infrastructure at scale.

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What You’ll Do

• Secure and harden Linux-based systems across multiple global data centers.
• Develop and implement advanced threat prevention, detection capabilities, and compliance monitoring.
• Design and enforce security baselines, system hardening techniques, and secure configurations.
• Perform audits and monitor compliance to minimize the attack surface.
• Collaborate across teams to ensure security is integrated into every stage of system development and operations.
• Continuously optimize existing security measures and design new controls to enhance our security posture.

Who You Are

• You have a strong background in Linux system internals and are comfortable working in a command-line environment.
• You have experience in securing, hardening, and automating large-scale, on-premise infrastructures.
• You possess working knowledge of threat prevention, detection capabilities, and compliance frameworks (e.g., NIST, CIS).
• You excel at collaborating across cyber security, infrastructure, and development teams.
• You are passionate about cybersecurity and continuously seek to deepen your knowledge.

Technical Skills & Experience

• Strong expertise in Linux systems security, including system internals and hardening.
• Experience with threat prevention, detection, and mitigation techniques.
• Knowledge of hardening and compliance frameworks (e.g., NIST, CIS).
• Familiarity with automation tools such as Ansible, Chef, or Puppet.
• Proficiency in scripting languages (e.g., Python, Bash).
• Experience with container security, private cloud infrastructure, and security APIs.
• Familiarity with the Cyber Kill Chain or Mitre ATT&CK framework is a plus.

Our Diversity, Equity and Inclusion commitments 

Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. 

Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application!

What’s next?

Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility.

This role is based out of our Amsterdam office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.