Software Engineer

Network Consultant / Technician Field Services

all genders welcome

20.04.2026
We are looking to fill a full-time, permanent position at our Oppenheim (near Mainz) location as soon as possible.
As a leading German manufacturer of IT security solutions, we protect IoT/OT infrastructures with our software and enable highly secure remote access. As part of our Consulting team, you will support and advise our customers, create custom plans, implement our products on-site, and train administrators in using our software.

Your responsibilities

• Provide comprehensive consulting to our customers throughout the entire project lifecycle-from pre-sales to implementation
• Plan and implement our VS-NfD-approved VPN solution, ECOS SecureBootStick®, on-site at customer locations
• Deliver product training either on-site or at our headquarters
• Communicate professionally and ensure proactive follow-up on all consulting-related topics
• Transfer knowledge to Support, Helpdesk, and Sales teams
• Report feature requests and usability questions to our Development team
• Set up and maintain test environments
• Support Technical Documentation in expanding our knowledge base
• Act as an interface between customers, Sales, and Development

Your profile

• You are comfortable working in complex network environments
• Experience in support and/or technical consulting, as well as in professional customer communication
• A strong interest in learning and working with complex topics
• Willingness to travel regularly and support customers on-site
• Interest in advanced cybersecurity solutions and the ability to apply this in developing customer-specific concepts
• Independent working style combined with strong analytical and service-oriented thinking
• A careful and detail-oriented approach to your work
• Ideally, you also have expertise in one or more of the following areas: Linux operating systems and related tools
• Network configuration, protocols, and routing
• Firewall and VPN configuration (e.g., IPsec, SSL VPN)
• Experience working with REST APIs

• You ideally hold a degree in IT, a completed vocational training in IT, or a comparable qualification.

Why Join ECOS?

Industrial Cybersecurity Made in Germany
Individual career paths
Cross-team collaboration
About us

• Innovation: We develop forward-thinking technologies in the field of cybersecurity.
• Expertise: At ECOS, you can contribute your skills and continue to grow professionally.
• Teamwork: Respectful communication and mutual support are at the heart of how we work together.
• Freedom to excel: To us, autonomy in your role, employee voice, and work-life balance are more than just corporate buzzwords.
• Sustainability: We combine business success with a strong commitment to sustainable and socially responsible practices.

We offer

• Comprehensive onboarding and ongoing training, both in-house and externally
• A varied, meaningful role in a company with outstanding products and well-known clients
• Flat hierarchies and a leadership culture built on trust
• Plenty of autonomy and the freedom to take ownership of your work
• Cross-team collaboration and strong team spirit
• Fair pay and a permanent full-time position
• Family-friendly, flexible working hours with the option to work remotely
• 30 days of vacation, plus special leave on Christmas Eve, New Year’s Eve, and other occasions
• Friendly working atmosphere with interesting team events and joint activities
• Corporate health management and company pension plan
• Attractive office spaces with excellent public transport connections, on-site parking, and covered bicycle racks
• Sustainable mobility options with the Deutschlandticket
• Convenient access to numerous shops and eateries within walking distance
• Individual support for all (work-related) challenges and opportunities.

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