Senior Software Systems Engineer - Web Security

Open Systems AG; Zürich; Vor Ort; CHF 120.000 - 180.000; Vollzeit

Zusammenfassung

Open Systems AG is seeking a Software Systems Engineer to design, develop, and operate globally deployed web security services. You’ll join a team at the heart of our Autonomous SASE platform, collaborating across networking, security, cloud, and platform groups to deliver scalable, secure solutions.

The role offers end-to-end ownership from architecture to production, with international exposure and a potential three-month assignment in Honolulu, Hawaii, as part of our Mission Control program.

Qualifikationen

• Degree in Computer Science, Information Technology, Engineering, or a related technical discipline.
• Strong understanding of networking fundamentals (TCP/IP, TLS, DNS, HTTP, HTTPS).
• Hands-on experience with Linux/UNIX-based systems.
• Experience working with cloud-native and containerized environments.
• Strong software engineering skills, with Python or Bash, and Go, C++, or Rust.
• Strong problem-solving and analytical skills.
• Proficiency in English.

Aufgaben

• Design, develop, and operate highly scalable web security services.
• Build reliable, cloud-native solutions that operate at global scale.
• Improve 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.

Kenntnisse

Networking fundamentals

Linux/UNIX

Cloud-native environments

Containerized environments

Python

Bash

Go

C++

Rust

Problem solving

English proficiency

Ausbildung

Bachelor's degree in Computer Science / Information Technology / Engineering

Tools

Python

Bash

Go

C++

Rust

Linux

Jobbeschreibung

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 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 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.
• Build reliable, cloud-native solutions that operate at global scale.
• Improve 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.
• Strong understanding of networking fundamentals, including TCP/IP, TLS, DNS, HTTP, and HTTPS.
• Hands-on experience with Linux/UNIX-based systems.
• Experience working with cloud-native and containerized environments.
• Strong software engineering skills, with experience in scripting languages such as Python or Bash, and compiled languages such as Go, C++, or Rust.
• Strong problem-solving and analytical skills.
• Proficiency in English.

Nice to have

• Experience with web security technologies, proxies, or Secure Web Gateway (SWG) solutions.
• Understanding of modern security architectures, Zero Trust, or SASE.
• Experience with observability, monitoring, and production troubleshooting.
• Experience with software and system testing practices.
• 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.

What we offer:

Want to join a crazy good cybersecurity team? You’ll be among people who believe in:

CaringPASSIONATELYabout keeping our customers safe – We’re dedicated to solving problems. Whatever it takes.

ThinkingUNCONVENTIONALLYto stay ahead – The world never fails to surprise us. So let’s surprise it first.

Doing the hard work to make thingsSIMPLE– Craft and hone something that delights in its simplicity.

WorkingCOLLABORATIVELYto 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 will need to develop your skills and advance your career.

Come as you are! We search for amazing people of diverse backgrounds, experiences, abilities, and perspectives. Open Systems welcomes and encourages diversity in the workplace regardless of race, gender, religion, age, sexual orientation, disability, or veteran status.

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.