Senior Software Engineer AuthN​/AuthZ; Hybrid

Sr Software Engineer AuthN / AuthZ (80-100% Zurich Hybrid)

We are seeking a highly motivated and talented Software Engineer to join our growing AuthN / AuthZ team. As a Senior Software Engineer, you will be a key driver in enhancing our identity and access management platform.

Your responsibilities will include:

• Identity Provider:
  Help design, develop and operate a highly scalable identity provider solution.
• Access Management:
  Migrate our old-fashioned permissions model into a modern ReBAC-based solution.
• Leading Cross-Team Projects:
  Take ownership of complex platform projects, defining scope, managing dependencies, and communicating progress to successful completion.
• Structured Problem‑Solving:
  Tackle difficult architectural and operational challenges with a structured and methodical approach.

This position will give you the opportunity to drive midsize to large projects, from concept through to production deployment and operations. You will collaborate with cross‑functional teams to identify and implement improvements to the AuthN / AuthZ platform infrastructure.

As a successful candidate you will bring 4+ years of experience in a similar position and a proven record in building scalable and resilient distributed systems using modern cloud technologies.

• Practical knowledge of Golang
• Experience with container orchestration and automation in cloud architectures (Kubernetes, Helm, Terraform)
• Experience with modern observability principles, stacks and tools such as Prometheus / Thanos, Alert Manager, Grafana
• Experience in cloud environments such as Azure, GCP, AWS or equivalent
• Fluent in English; knowledge of German or French is an advantage

• Knowledge of SCIM
• Hands‑on experience building REST APIs
• Experience with modern authentication mechanisms and protocols (OAuth2, OIDC)
• Hands‑on experience with authorization models such as RBAC, ABAC and especially ReBAC

You will have the autonomy to make a significant impact on our engineering culture and infrastructure. We offer a challenging yet supportive environment where your contributions directly translate into the success of the entire company.

You can partially work on green fields, shaping authentication and authorization solutions affecting the whole company.

• Caring, PASSIONATELY about keeping our customers safe – we’re dedicated to solving problems, whatever it takes.
• Thinking UNCONVENTIONALLY to stay ahead – the world never fails to surprise us, so let’s surprise it first.
• Doing the hard work to make things SIMPLE – craft and hone something that delights in its simplicity.
• Working COLLABORATIVELY to build success – the power of the team will always make us faster and better.

As a testament to this, Open Systems has been recognized as an outstanding place to work. You’ll be surrounded by smart teams who enrich your experience and provide opportunities you need to develop your skills and advance your career.

We look forward to receiving your online application (please compress your application into two attachments). Only direct applications will be considered.

Open Systems is a leading provider of native Managed SASE solutions, converging network and security functions on a cloud‑native platform. Founded in 1990, the Swiss cybersecurity company, headquartered in Zurich, supports businesses and organizations in more than 180 countries with a holistic, customer‑centric service model that guarantees 24×7 expert support.

Our platform delivers reliable connectivity across cloud, on‑premises, and hybrid environments while offering an exceptional user experience through an intuitive customer portal. Powered by a centralized data platform and 24×7 managed services, Open Systems not only enhances security but also boosts operational efficiency and accelerates innovation – enabling secure networks that grow with your business.