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
- IMPORTANT RULES: - Maintain the original formatting and structure - Translate technical terms correctly (e.g., "Frontend", "Backend", "DevOps", "Scrum Master") - Use industry-standard terminology for HR and tech - Preserve the tone (formal/informal, 'you' informal vs. formal) - Translate only the text, do not add explanations - Maintain the list structure - Technical terms that are internationally used may remain untranslated - Ensure correct grammar and natural flow
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.)
- Familiarity with secure communication architectures and network design principles
- 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 an interest in learning quickly
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
This is your employer
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
Technical Engineer IT Security
- Salary
- from 61.039 € Gross/Year
- Location
- Vienna
- Working Model
- Onsite
