System Engineer

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SIX drives the transformation of financial markets.

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.

Are you passionate about securing digital ecosystems at scale? Do you want to design and operate mission critical cryptographic services in a regulated financial environment?

Join our Cryptographic Services team and help build secure, scalable platforms that protect SIX’s core infrastructure. You will work closely with application, infrastructure, and security teams to deliver trusted cryptographic solutions across hybrid environments.

• Design, implement, and operate enterprise cryptographic services (PKI, HSM, certificates)
• Automate certificate lifecycle and integrate cryptography into applications and CI/CD pipelines
• Contribute to the enterprise cryptographic inventory and visibility across assets
• Support vulnerability remediation and incident resolution for cryptographic components
• Ensure compliance with security standards and regulatory requirements (e.g., PCI DSS, FINMA, DORA)

• Strong expertise in PKI, TLS, HSM, or key management technologies
• Experience with automation, APIs, or infrastructure-as-code
• Understanding of cloud and modern application environments (e.g., Azure, containers)
• Ability to translate security requirements into practical engineering solutions
• Fluent in English (written and spoken)

Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.

Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods
Whether through scrum or design thinking,
we solve exciting tasks together in teams.