Technical Customer Support Engineer

• 10 septembre 2026
• 100%
• Durée indéterminée
• Zürich

Are you technically competent in network security and motivated to foster trusted technical partnerships with customers? This position is for you!

Your mission

As a Customer Support Engineer, you will work with national and international organizations to design, install, and operate network security solutions deployed on a global scale. You will analyze customer needs and advise, design, and deploy solutions from the design phase through to production deployment and operation, in close collaboration with the organization. Additionally, you will be the interface between development and sales, acting as the technical voice of your customers.

Your responsibilities:

• Learn the Open Systems service portfolio and configuration management
• Collaborate with customers' technical staff to identify needs
• Recommend exemplary approaches and design solutions
• Configure and deploy Open Systems services in coordination with the customer
• Integrate new customers
• Provide first-class technical support for customer requests
• Act as the interface between development and sales
• Participate in the Mission Control organization to ensure the smooth operation of our entire customer base

Qualifications:

You hold a degree in computer science or a related field, or you possess extensive experience in the field of networking and cybersecurity. You have direct experience in technical customer success engineering, professional services, solution architecture, or technical consulting. You bring a technical mindset combined with a customer-centric advisory approach, and you enjoy the combination of technical and communication skills. You are highly motivated to acquire new skills and expand your existing theoretical and practical knowledge through training programs offered by internal experts and team colleagues, and you possess some of the following skills:

• Knowledge of Unix and Linux operating systems
• General understanding of networks and key Internet protocols (TCP/IP, HTTP, SSL, SMTP, SSH, DNS, BGP, OSPF)
• Knowledge of network security concepts and practices. Key technologies: firewalls, secure web gateways, cloud access security brokers (CASB), VPN networks, IDS and IPS, email security, Zero Trust network access (ZTNA) and traditional remote access
• Experience in designing and implementing global WAN topologies and star networks (SD-WAN)
• Autonomous, proactive, and a team player
• Excellent communication and interpersonal skills
• Mastery of English with a good practical knowledge of German.

Open Systems will offer you interesting challenges in the dynamic and global environment of SD-WAN and cybersecurity. You will evolve in a work environment where innovative solutions, rapid development timelines, creativity, and open communication are practiced and continually encouraged. The pursuit of technical advancement is at the center of our attention. You will work from our headquarters in Zurich, Switzerland, and will have the opportunity to work for a few months at the second Mission Control operations center in Hawaii.

What we offer

Do you want to join a team that loves making secure connectivity simple for our customers? You will be surrounded by people who believe in:

A deep PASSION for our customers' security - We are dedicated to solving problems. No matter the cost.

UNCONVENTIONAL thinking to stay ahead - The world never stops surprising us. So let's surprise it first.

Hard work to make things SIMPLE - Designing and perfecting something that succeeds through its simplicity.

COLLABORATIVE work to build success - The power of the team will always make us faster and better.

In witness of this, Open Systems has been recognized as an exceptional workplace. You will be surrounded by smart teams that will enrich your experience and provide you with the necessary opportunities to develop your skills and advance your career. We look forward to your online application! Only direct applications will be considered.

Open Systems is growing rapidly and so are you: in addition to field experience, you will have the chance to obtain the Mission Control Engineer certification to support our operations team once a week.

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

About Open Systems

Supported by the Service Experience Promise, Open Systems connects and secures hybrid environments simply and at a low cost, ensuring that your organization can achieve its business goals. Open Systems focuses uniquely on a superior user experience by helping organizations reduce risk, improve efficiency, and accelerate innovation. Open Systems' SASE experience delivers on the promise of ZTNA with a complete, unified, easy-to-deploy, and easy-to-use SASE platform, combining SD-WAN and Security Service Edge delivered as a service. We provide 24/7 operational management as well as engineering support by dedicated teams and guarantee affordable and predictable costs.

Find out more at open-s