Opench

Technical Customer Success Engineer

Zürich, SwitzerlandFull TimePosted Nov 26, 2025

Are you technically skilled in network security and driven to foster trusted technical partnerships with customers? This role is for you!


Your Mission

As a Customer Success Engineer you will work together with national and international organizations to design, install and operate globally deployed network security solutions. You will analyze the needs of customers and advise, design and deploy solutions from the concept phase all the way to production deployment and operations, in close cooperation with the organization. In addition, you will be the interface between development and sales acting as the technical voice of your customers. 

 

Your responsibilities:

  • Learn Open Systems service portfolio and configuration management
  • Engage with customers' technical staff to identify requirements
  • Recommend best-practice approaches and design solutions
  • Set up and deploy Open Systems services in coordination with the customer
  • On-board new customers
  • Provide first-class technical support for customer requests
  • Interface between development and sales
  • Engage in the Mission Control organization to ensure steady operations of our entire customer base

 

Qualifications:

You have a degree in Computer Science or a related field or extensive experience in the field of networking and cybersecurity. You have experience directly in Technical Customer Success Engineering, professional services, solution architecture, or  technical consulting. Your bring a technical mindset combined with a customer-first consulting approach, and enjoy the combination of technology and communication skills. You are highly motivated to learn new skills and expand your existing theoretical and practical knowledge in training programs offered by internal domain experts and team colleagues, and you bring some of the following skills to the table:


  • Knowledge of Unix and Linux operating systems
  • Understanding of networking in general and the major internet protocols (TCP/IP, HTTP, SSL, SMTP, SSH, DNS, BGP, OSPF)
  • Knowledge of network security concepts and practices. Core 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 the design and implementation of global WAN and hub network topologies (SD-WAN)
  • Self-motivated, proactive team player
  • Strong communication and interpersonal skills
  • Fluent in English with a good working knowledge of German.


Open Systems will offer you interesting challenges in the dynamic and global environment of SD-WAN and cybersecurity. You will be in a work environment in which innovative solutions, rapid development times, creativity, and open communication are practiced and continuously fostered. The pursuit of technical advancement is at the center of our attention. You will work out of our headquarters in Zürich, Switzerland and will get the opportunity to work at the second Mission Control operations center in Hawaii for a few months.


What We Offer

Want to join a team that enjoys making secure connectivity simple for our customers? You’ll be among people who believe in: 

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 recognised 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.  We look forward to receiving your online application! Only direct applications will be considered.


Open Systems is growing and so will you: Apart from on-the-job experience, you will have the chance to complete the Mission Control Engineer Certification to support our Operations team once a week. 

Come as you are!  We are looking 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


Backed by the Service Experience Promise, Open Systems simply and cost-effectively connects and secures hybrid environments and thus ensures your organization can meet business objectives. Open Systems uniquely focuses on a superior user experience when helping organizations reduce risk, improve efficiency, and accelerate innovation. The Open Systems SASE Experience delivers on the promise of ZTNA with a comprehensive, unified and easy-to-implement and use SASE platform that combines SD-WAN and Security Service Edge delivered as a Service. We provide 24x7 operational management and engineering support from assigned engineering teams and ensure affordable and predictable costs.

Discover more at open-systems.com.

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