Senior Software Systems Engineer - Web Security

opench; Zürich; Vor Ort; CHF 140.000 - 190.000; Vollzeit

Zusammenfassung

Open Systems in Zürich seeks a Senior Software Systems Engineer specializing in Web Security to design, develop, and operate globally deployed web security services as part of our Autonomous SASE platform.

You will join a cross-functional team at the intersection of networking, security, and software engineering, owning features from architecture through production while gaining hands-on experience in Mission Control and potential three-month assignments in Honolulu.

Qualifikationen

• Degree in Computer Science, Information Technology, Engineering, or a related technical discipline.
• Experience with Linux/UNIX-based systems and cloud-native environments.
• Proficiency in English and strong problem-solving skills.

Aufgaben

• Design, develop, and operate highly scalable web security services.
• Drive observability, monitoring, troubleshooting, and operational excellence across web security services.
• Take end-to-end ownership of solutions, from concept and implementation to production and continuous improvement.
• Collaborate with engineers across networking, security, cloud, and platform teams.
• Help shape the future of web security and cloud-delivered security services.

Kenntnisse

Networking basics

Network security

Linux/UNIX

Cloud-native/containers

Python

Go/C/C++/Rust

English proficiency

Bash scripting

Ausbildung

Bachelor's degree in CS/IT/Engineering

Tools

Docker

Kubernetes

Jobbeschreibung

Senior Software Systems Engineer – Web Security

Build the future of Autonomous SASE

At Open Systems, we're redefining how network and security operations are delivered. Our Autonomous SASE platform combines AI-powered operations, advanced security services, and Level-3 engineering expertise to protect some of the world's most demanding organizations.

We're looking for a Senior Software Systems Engineer to help build and operate the web security capabilities at the heart of our global platform. If you're passionate about networking, cybersecurity, software engineering, and enjoy turning complex technical challenges into elegant solutions, we'd love to hear from you.

Your Mission

As a Senior Software Systems Engineer specializing in Web Security, you'll help design, develop, and operate globally deployed web security services protecting organizations in more than 180 countries.

You'll work at the intersection of software engineering, systems engineering, networking, and cybersecurity, contributing across the entire product lifecycle, from architecture and design through development, deployment, operations, and continuous improvement.

What you'll do

• Design, develop, and operate highly scalable web security services.
• Drive observability, monitoring, troubleshooting, and operational excellence across web security services.
• Take end-to-end ownership of solutions, from technical concept and implementation to production and continuous improvement.
• Collaborate with engineers across networking, security, cloud, and platform teams.
• Help shape the future of web security and cloud-delivered security services.

As part of your engineering journey, you'll become certified as a Mission Control Engineer, gaining hands‑on experience operating a broad range of network and security technologies.

This also includes the opportunity to join our Network Operations Center in Honolulu, Hawaii for three-month assignments, working alongside engineers who operate our global security infrastructure.

What you bring

Required

• Degree in Computer Science, Information Technology, Engineering, or a related technical discipline.
• Knowledge of networking fundamentals, including TCP/IP, TLS, DNS, HTTP, and HTTPS.
• Knowledge of network security principles and best practices.
• Experience working with Linux/UNIX-based systems.
• Experience working with cloud-native and containerized environments.
• Coding experience in scripting languages (e.g. Python, Bash) and compiled languages (e.g. Go, C++, Rust).
• Problem-solving and analytical skills.
• Proficiency in English.

Nice to have

• Experience with web security technologies, proxies, or Secure Web Gateway (SWG) solutions.
• Knowledge of modern security architectures, Zero Trust, or SASE.
• Experience with observability, monitoring, and production troubleshooting.
• Experience operating globally deployed services in production.
  

What you can expect

• Meaningful impact: Work on security challenges that protect organizations around the world.
• End-to-end ownership: See your work through from architecture and development to production and continuous improvement.
• Technical depth: Develop expertise across networking, security, software engineering, and cloud technologies.
• Global exposure: Collaborate with international engineering teams and gain hands‑on operational experience through Mission Control.
• Continuous growth: Learn from experienced engineers and take on increasingly complex technical challenges.
• Flexible environment: Work in a collaborative culture that values autonomy, engineering excellence, and knowledge sharing.
  

About Open Systems

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

Our platform delivers secure, reliable connectivity across cloud, on-premises, and hybrid environments while providing a seamless experience through an intuitive customer portal. Powered by a centralized data platform and 24×7 managed services, Open Systems helps organizations strengthen security, simplify operations, and accelerate innovation—enabling secure networks that grow with their business.

Discover more at www.open-systems.com.