Location: Zurich
As our Staff Engineer (AI Security), your mission is to define and implement the security strategy for AI agents, chatbots, LLM models, and agentic workflows developed internally or deployed through cloud-based platforms. You will secure AI from idea to production: covering development standards, model security, pre-deployment security checks, identity and access controls, logging, monitoring, alerting, and continuous testing. You will help the organization adopt AI safely by ensuring that every AI agent, chatbot, and LLM-based solution has clear ownership, a defined identity, appropriate permissions, proper monitoring, and security controls that match its risk.
A key part of your mission will be to protect the business from emerging AI-specific threats such as prompt injection, model misuse, model manipulation, excessive permissions, data leakage, insecure tool use, unauthorised agent actions, and misuse of externally facing AI services:
As a leading running brand, On’s technology division operates in a dynamic, fast-paced environment and plays a critical role in enabling innovation across the business. As AI adoption accelerates and to enable this safety and at scale, we are creating a dedicated senior AI Security role within the Information Security team to shape how we securely design, deploy, and operate AI agents, chatbots, LLM-based applications, and agentic workflows across local and cloud environments. You will protect the company’s AI ecosystem by defining practical security controls, embedding security into AI delivery, and ensuring AI systems are monitored, tested, and operated safely. Working closely with Engineering, Data, Product, Cloud, IAM, and Cyber Defence, you will focus on LLM model security, agent identity and permissions, pre-deployment security checks, AI-specific monitoring and alerting, and continuous testing of externally facing agents against prompt injection, jailbreaks, data leakage, and other emerging AI threats.
Just by the banks of the Limmat you’ll find our largest global hub in Zürich West – On Labs – where you can hike up 12 floors through our custom-built spiral trail.
Förrlibuckstrasse 190,
8005
Switzerland
On is a place that is centered around growth and progress. We offer an environment designed to give people the tools to develop holistically – to stay active, to learn, explore and innovate. Our distinctive approach combines a supportive, team-oriented atmosphere, with access to personal self-care for both physical and mental well-being, so each person is led by purpose.
On is an Equal Opportunity Employer. We are committed to creating a work environment that is fair and inclusive, where all decisions related to recruitment, advancement, and retention are free of discrimination.
We want to set everyone up for success, so here’s the lowdown on how we hire. Our process is a two-way street – bringing you into our culture, while helping us learn how you think.
Our full process can last about eight weeks from application to offer, because we care about getting it right. These steps explain how we usually do things.
Before you get started, feel free to consider if you want to work with us. Strange question? Well, we give people a lot of space to navigate their day-to-day and that style isn't for everyone. We want you to be passionate about what you do and be sure this is the right fit. Because when skills and passion combine – it creates that 'Wow' moment.
You'll start by submitting your application to a specific role. We try to keep this step as simple as possible. We do get a lot of applications, but we review them all. If you're a good fit to the role, a recruiter will follow up with you directly. If you didn't receive a reply, or were unsuccessful this time around, we encourage you to look for other possible matches at On.
What ignites your spirit? This is where we’ll start getting to know all about you and what makes you tick – and it’s your first chance to get a feel for our culture. Chatting with a member of our talent team, you’ll learn more about On and how we work. We’ll learn about what motivates you and what you could bring to the team.
Ready to dig into the details? This second interview will be held with your future manager and will focus on the specifics of the job. Together you’ll delve into your unique skills and experiences and how they could be relevant at On. It's also a time to assess how you might feel working side-by-side. Bring any questions you have about the job, the team or anything else you might like to know – this is an open forum.
What's your style? This task will help us understand how you think, face a challenge and give insight into your novel ideas. Designed to give everyone their best shot, your case study is based on something you might typically experience on the job. This is your chance to show us what you’ve got. So express yourself. Be you.
Your first taste of the Oniverse. This is a time to meet some of the people you'll be working closest with. In person or virtually, you'll get a feel for the day-to-day at On and the people who make it happen. You'll chat with a few potential teammates - the conversations will be as equally driven by the role and your experience as by our values. We believe how you do things is just as important as what you do.
Are we a good fit? We’ll get together internally to share our feedback and decide if we’re a match. We know that job searching is a big time investment, so it’s not a decision we take lightly. It’s also time for you to reflect on the experience – are we the right place for you? No matter the outcome, we’ll give you meaningful feedback.
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