Customer Engineer (f/m/d)

As a Customer Engineer at ONEKEY, you will be a key technical contributor supporting prospects and customers throughout the entire customer lifecycle. You will work closely with Sales, Product, Engineering, and Consulting teams to provide technical expertise, support presales activities, and help customers successfully adopt and integrate the ONEKEY platform.

This role is hands-on and customer-facing, with a strong focus on technical problem-solving, solution design, and clear communication. Your work will directly contribute to deal success, customer satisfaction, and long-term customer value.

• Enjoy hands-on technical work
  Like being directly involved in technical discussions, customer engagements, and problem-solving.
• Translate complexity into value
  Are able to explain complex technical, security, and compliance topics clearly and pragmatically to customers and internal teams.
• Collaborate effectively across teams
  Enjoy working closely with Sales, Product, Engineering, and Consulting to deliver great customer outcomes.

• A World-Class Team
  World class cybersecurity expert team in Belgium, Germany, Hungary
• European Leader in Product Cybersecurity & Compliance
  Being part of the leading European team and technology for product cybersecurity & compliance
• Remote or Office Flexibility
  Opportunity to work remotely or from our awesome office in Düsseldorf
• Start-Up Spirit, Streamlined Processes
  A start-up atmosphere, but with stream-lined processes (not overcontrolled ones)
• Flat Hierarchies and Transparent Culture
  Flat hierarchy and a transparent and open-minded culture
• Competitive Compensation & Top Equipment
  Highly competitive compensation, state of the art equipment
• Collaboration Across Borders
  Opportunity to meet your colleagues in person in Belgium / Germany / Hungary
•  Modern Communication
  No emails, just Slack for our daily internal communication

Presales and technical support

• Support presales engagements as a technical expert in collaboration with Sales 
• Participate in customer meetings to understand technical requirements and use cases
• Conduct product demonstrations, technical deep dives, and customer workshops
• Contribute to RFPs, RFIs, security questionnaires, and compliance-related inquiries
• Prepare and maintain high-quality technical proposals, presentations, and documentation

Post-sales support and customer enablement

• Provide technical support and guidance to customers during onboarding and ongoing usage
• Support customer integration and implementation activities
• Help ensure smooth handover from presales to post-sales phases
• Advise customers on best practices for adopting and using the ONEKEY platform

Cross-functional collaboration and feedback

• Work closely with internal teams to address customer needs and technical questions
• Share customer feedback and insights with Product and Engineering teams
• Contribute technical input to discussions around product improvements and roadmap topics

Documentation and continuous improvement

• Create and maintain customer-facing and internal technical documentation, guides, and FAQs
• Support improvements to customer engineering workflows and tooling (e.g. Jira, GitLab, Python)
• Stay up to date on cybersecurity trends, compliance requirements, and market developments

• ‍Customer-facing technical experience
  5+ years of experience in customer-facing technical roles within SaaS environments, including presales and post-sales support.‍
• Secure Software & Integration Knowledge
  Deep understanding of software development lifecycles and security integration, with practical experience guiding customers through technical adoption and integrations.
• ‍‍‍Cybersecurity Domain Awareness
  Background knowledge or hands-on experience in cybersecurity, product security, or compliance standards is required. Relevant certifications (e.g. CISSP, CISM, SSCP) are beneficial but not required.

• Customer-Centric Solution Mindset
  Ability to understand customer business and technical requirements and contribute to effective, scalable technical solutions.
• ‍Communication skills
  Strong written and verbal communication skills, with the ability to explain complex technical topics clearly to different audiences.‍
• Collaboration skills
  Experience working closely with Sales, Product, Engineering, or Consulting teams in a cross-functional environment.‍
• Structured problem-solving
  Analytical and proactive approach to handling multiple technical topics and customer requests.‍
• Process and tooling experience
  Hands-on experience with customer engineering tooling and automation (e.g. Jira, GitLab, Python) to improve efficiency, documentation, and knowledge sharing.‍
• Language skills
  Fluent written and spoken German and English are required.