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SIX drives the transformation of financial markets, blending tradition and future, foundation and growth. The Web Access Management team is responsible for protecting access to business-critical web applications and APIs, aiming to provide stable, secure, and continuously improving access services across reverse proxy, web application firewall, and customer identity platforms.

Tasks

  • Operate and enhance Web Access Management services, including reverse proxy, access gateway, web application firewall, and customer identity components.
  • Design, build, and troubleshoot secure authentication and single sign-on flows based on OpenID Connect, OAuth2, and SAML 2.0.
  • Configure routing, TLS certificates, access policies, authorization mappings, and upstream integrations for web applications and APIs.
  • Tune and maintain web application firewall policies, including OWASP Core Rule Set handling, exceptions, anomaly scoring, and change control.
  • Contribute to operational stability, automation, monitoring, incident response, upgrades, disaster recovery readiness, and continuous service improvement.

Requirements

  • Strong hands-on knowledge of reverse proxy or access gateway platforms, including TLS handling, routing, header and cookie management, session handling, and high-availability operations.
  • Practical experience with web application firewall technologies, ModSecurity, OWASP Core Rule Set, rule tuning, false-positive handling, and secure publishing patterns.
  • Solid understanding of customer identity and access management, identity lifecycle, multi-factor authentication, secure account recovery, token validation, and authorization models.
  • Good knowledge of federation and access protocols such as OpenID Connect, OAuth2, SAML 2.0, JWT, PKCE, scopes, claims, certificates, metadata, and key rotation.
  • Analytical, security-minded, and collaborative working style, with good communication skills.
  • Fluent English is required; German is an advantage.

Benefits

  • Working from home up to 40%.
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Über uns
SIX Group AG betreibt Finanzmarktinfrastruktur für die Schweiz, Spanien und weitere internationale Märkte. Das Unternehmen erbringt Dienstleistungen in den Bereichen Börsenhandel, Wertschriftenabwicklung, Finanzinformationen, Banking Services und Zahlungsverkehr. SIX verbindet Finanzinfrastruktur, Marktdaten, Clearing, Settlement, Verwahrung, Zahlungsstandards und technologische Plattformen für Banken, Händler, Investoren, Finanzdienstleister und weitere Marktteilnehmer. Die Gruppe ist im Besitz von rund 120 nationalen und internationalen Finanzinstituten und bildet eine zentrale Infrastruktur für den Schweizer Finanzplatz.
Das Team

The Web Access Management team is collaborative and security-focused, working closely with application teams, security architects, platform engineers, and service owners in a regulated environment.

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