Systems Developer - Remote Access (80-100%)

As a Systems Developer in the Remote Access Team, you will build and operate our Client VPN and Zero Trust Network Access (ZTNA) services.

About opench

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.

Responsibilities

• Customers use them to connect securely to their corporate networks and applications from anywhere.
• you will design, implement, deploy, maintain and operate the components you create, from initial concept through production operations.
• You will be part of the core team developing remote access services for our customer base.
• Integrating OEM remote access software into our SASE platform, which runs on deployments across customer sites, public clouds, and our own Kubernetes-based cloud.
• Working closely with vendors to understand their products in depth and improve functionality, performance, and reliability.
• deployment automation, configuration management, internal tools, and APIs.
• Integrate the services and their configuration into AI agents used for operations. - Extending monitoring, alerting, and log aggregation capabilities.
• Troubleshooting and debugging production systems.
• Life-cycle management and optimization of existing deployments.
• Writing operational documentation for the teams that run and support the service.
• You will own the components end-to-end.
• Operational excellence matters as much as code quality.

Requirements

• Qualifications Higher education (ETH, university, FH) in Computer Science or a related field, or equivalent practical experience.
• 2+ years of professional experience in a relevant role with exposure to networking technologies (dynamic routing, firewalls, TCP/IP, etc.).
• Proficiency in software development with scripting languages (e.g., Bash, Perl, Python) and a concurrent compiled language (e.g., Go, C++, C#, Rust).
• Experience with Linux or another UNIX-based operating system, including comfort working at the system level.
• Knowledge of container and cloud technologies (Kubernetes).
• Experience using LLM-assisted development tools.
• Fluent in English.
• Clear communication skills and ability to work both in a team and independently.

Preferred

• Expertise in authentication and identity protocols such as OAuth 2.0, SAML, OpenID Connect, and/or LDAP.
• Familiarity with software and system testing practices.
• Understanding of monitoring and observability principles.
• A solid understanding of network security principles and best practices.

This role is not a fit you are looking for a pure software development position where someone else handles deployment and operations. It is also not a fit if you want a system administration role focused on configuration and support rather than development. We value both specializations. This role simply requires solid foundations of both areas in one person.