Hybrid Technical Pre-Sales Engineer – IT Security, Networking

at zerothird

• Job title: Technical Pre-Sales Engineer – IT Security, Networking
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: €61,038 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Firewalls
• Location requirements: Hybrid, Wien, Austria

About the role

• Technical Pre-Sales Engineer at zerothird, a quantum technology company. Engage with customers and develop network architectures for quantum-secure infrastructure.

Responsibilities

• Act as a key interface between customers, partners, and product development team
• Work closely with sales and engineering teams to understand customer needs and design high-level secure network architectures
• Ensure effective integration of quantum products
• Collaborate with customers, partners, and integrators to align on technical concepts and translate these into solutions
• Lead technical workshops and discussions with CISOs, network architects, and system integrators
• Provide technical expertise throughout the sales process
• Create technical proposals, white papers, and architectural documentation
• Capture detailed customer feedback, pain points, and functional requirements
• Work with product and R&D teams to evolve offerings based on field input

Requirements

• 5+ years of experience in a technical pre-sales, systems engineering, or solution architect role
• 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
• Experience working with critical infrastructure, telecoms, or public sector clients is a plus
• Bonus: familiarity with quantum technologies or interest in learning fast.

Benefits

• Family-Friendly Workplace: We support flexible schedules and work arrangements to help you balance your professional drive with personal priorities and family duties.
• High Impact: Join at the intersection of Nobel-Prize winning quantum physics and secure communications — and help shape solutions that will protect global infrastructure for decades.
• Vibrant Quantum Community: Join a young and ambitious team with a strong spirit of collaboration, regular team-building events, and a shared passion for meaningful tech. Enjoy rooftop coffee breaks overlooking Vienna’s Wienerberg.
• High-Growth Opportunity: Be part of one of the most exciting sectors in deep tech. As demand for quantum-secure communication accelerates, you'll have the opportunity to shape new markets — and grow with us.
• Inclusive Culture: We believe in “Duz-Kultur”, flat hierarchies, and fast, transparent communication.
• Targeted Onboarding & Learning: You’ll receive a tailored onboarding and a dedicated mentor to help you ramp quickly and succeed. Stay sharp with access to training, coaching, and market insights.
• Extras That Count: Enjoy premium coffee, fresh fruit, team lunches, and summer & holiday events when working from our Vienna HQ.