Technical Cloud and Platform Security Lead

Sygnum is a global digital asset banking group, founded on Swiss and Singapore heritage. We empower professional and institutional investors, banks, corporates and DLT foundations to invest in digital assets with complete trust. Our team enables this through our institutional-grade security, expert personal service and portfolio of regulated digital asset banking, asset management, tokenization and B2B services.

In Switzerland, Sygnum holds a banking licence and has CMS and Major Payment Institution Licences in Singapore. The group is also regulated in the established global financial hubs of Abu Dhabi and Luxembourg.

We believe that the future has heritage. Our crypto-native team of banking, investment and digital asset technology professionals are building a trusted gateway between the traditional and digital asset economies that we call Future Finance. To learn more about how Sygnum’s mission and values are shaping this digital asset ecosystem, please visit  and follow us on Linked In and X.

• S stands for the importance we hold in Seeking and seizing opportunities, and the way we take personal ownership for delivering results for our clients;
• Y represents the way we say Yes to maintaining the highest level of integrity and fairness in everything we do. Sygnumers always display confidence without attitude;
• G reminds us to always Grow and win together. We only succeed by supporting each other and challenging ourselves, and our team-mates, to reach for new heights;
• N is here for Nose for value because we are always looking to focus on what matters most to our clients, partners and team.

Sygnum has one of the most diverse teams in the industry. Diversity plays a central role in keeping our work culture open, our teams productive and energised, and our solutions at the forefront of the industry. In the spirit of our SYGN value to “grow and win together”, we fully embrace an equal opportunity mindset in the way we onboard, develop and promote our team members.

We’re looking for a technical security practitioner to lead and shape the security of our cloud-native platform and products  will be responsible for the day-to-day security design and operations of our cloud and digital asset platform across the following areas:

• Partner directly with the platform, engineering and product teams to secure our cloud platform and digital asset product offerings
• Review, challenge, and improve technical specifications and solution designs across:
  • Cloud architecture and landing zones (AWS & Azure)
  • Platform, application, and Kubernetes-based microservices deployment
  • Third-party integrations and network connectivity
• Own and continuously improve SSDLC capabilities working hands-on with engineering teams on CI/CD controls that enable and enhance developer experience
• Own the configuration, tuning, and day-to-day operation of security tooling, ensuring findings are integrated into engineering and operational workflows
• Design, review, and harden Infrastructure-as-Code, building secure defaults, guardrails, and reusable patterns for production deployment
• Design logging, monitoring, and detection architecture for platform and application security events
• Design and review encryption and key management solutions, including key lifecycle controls, signing workflows, and approval chains supporting digital asset custody

You are an experienced technical security expert who can demonstrate the following skills and experience:

• 7+ years of hands‑on experience across IT and security, with deep technical expertise in cloud‑native, platform or product security roles.
• Proven ability to design, implement, and operate technical security controls across AWS and Azure environments.
• In‑depth technical expertise in securing Kubernetes and container platforms.
• Hands‑on experience embedding security into modern software delivery and SSDLC workflows, including CI/CD pipelines and developer tooling.
• Ability to design, configure, and run cloud‑native security solutions end to end.
• Comfortable working with technical configuration files, security policies, and code‑based definitions (e.g., IaaC, automation, policy‑as‑code).
• Experien…