Logo zerothird

Technical Engineer IT Security

Job

  • Level
    Experienced
  • Job Field
    IT, Network, Security
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Salary
    from 61.039 € Gross/Year
  • Location
    Vienna
  • Working Model
    Onsite
  • Job Summary

    You design eQKD network architectures, define QKD integration with IT security and telecom systems, lead technical workshops, deliver demos and architecture documents, and capture customer feedback to inform the product roadmap.

    Job Technologies

    Your role in the team

    To accelerate our market growth, we're seeking a Technical Pre-Sales Engineer who understands both the world of IT security and the practical challenges of modern networking. You'll act as a key interface between customers, partners, and our internal product development team - shaping the next generation of quantum-secure infrastructure.

    As a Technical Pre-Sales Engineer, you will work closely with our sales and engineering teams to understand customer needs, design high-level secure network architectures, and ensure our quantum products are integrated effectively.

    You will collaborate directly with customers, partners, and integrators to align on technical concepts and translate these into concrete solution designs. Your insights from the field will also help steer our product roadmap to meet real-world demands.

    Solution Design & Architecture

    • Translate customer requirements into scalable and secure eQKD-based network designs
    • Define integration strategies for QKD with classical IT security and telecom infrastructure
    • Lead technical workshops and discussions with CISOs, network architects, and system integrators

    Pre-Sales Engagement

    • Collaborate with account managers to provide technical expertise throughout the sales process.
    • Create technical proposals, white papers, and architectural documentation
    • Deliver presentations and live demos that communicate technical value clearly and credibly

    Product Feedback Loop

    • Capture detailed customer feedback, pain points, and functional requirements
    • Work with the product and R&D teams to evolve our offering based on field input
    • Identify patterns across use cases and recommend roadmap adjustments

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    Our expectations of you

    Qualifications

    • Strong understanding of IT security, cryptographic concepts, and enterprise networking (firewalls, VPNs, SD-WAN, PKI, etc.)
    • Vertrautheit mit sicheren Kommunikationsarchitekturen und Netzwerkdesignprinzipien
    • Strong communication skills in German and English, capable of engaging both business and technical audiences
    • Ability to work across teams, align diverse stakeholders, and simplify complexity
    • Bonus: familiarity with quantum technologies or interest in learning fast

    Experience

    • 5+ years of experience in a technical pre-sales, systems engineering, or solution architect role
    • Experience working with critical infrastructure, telecoms, or public sector clients is a plus.

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    Job Locations

    Map of company locations
    • Location Vienna

      Austria

    This is your employer

    zerothird

    zerothird

    Zerothird develops advanced communication solutions with a focus on quantum cryptography. The company combines academic excellence with engineering expertise to provide ultra-secure encryption keys.

    Description

  • Company Type
    Established Company
  • Working Model
    Onsite
  • Industry
    Internet, IT, Telecommunication
  • Logo zerothird

    Technical Engineer IT Security

    Salary
    from 61.039 € Gross/Year
    Location
    Vienna
    Working Model
    Onsite
    Diversity
    Open for all genders

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