Kubernetes Infrastructure Engineer focusing on Quantum Key Distribution software in Vienna. Responsible for secure and reliable software infrastructure operations.
About the role
- Senior VoIP Infrastructure Engineer at Hiya, working on scalable voice infrastructure and mobile app integrations. Position involves technical authority over call quality and platform architecture.
Responsibilities
- Own end-to-end infrastructure for voice at Hiya, including VoIP, media handling, and WebRTC technologies
- Serve as the technical authority on call quality, making decisions about optimization, points of presence, and platform architecture
- Build and scale solutions for MediaStream B2B UA integration to support carrier partnerships
- Make platform-level architectural decisions as the ranking engineer in this domain, operating with significant autonomy in ambiguous territory
- Work across mobile app and carrier contexts, ensuring our voice capabilities meet the needs of both consumer users and enterprise partners
- Collaborate with product and engineering teams to translate technical possibilities into business opportunities
Requirements
- Deep VoIP expertise: You've built and scaled voice infrastructure before, with hands-on experience in VoIP, WebRTC, media handling, and call quality optimization
- Ownership mindset: You're comfortable being the ranking technical voice in your domain, making calls with incomplete information, and taking responsibility for outcomes
- Platform thinking: You see beyond immediate problems to build systems that create leverage and unlock future opportunities
- Comfort with ambiguity: You thrive when there isn't a clear playbook, and you know how to make pragmatic tradeoffs between speed and perfection
- Mobile and carrier context: Experience with voice in mobile apps or carrier integrations is a strong signal of fit
- Collaboration and communication: You can translate complex technical decisions into language that helps the business move forward, and you work well with cross-functional partners
- PCAP analysis: You're comfortable with Wireshark and packet-level debugging for troubleshooting call quality issues.
Benefits
- Employer-sponsored Insurance
- Medical, dental, and vision (PPO & HDHP); 50% dependent coverage
- Health, flexible spending, and dependent care accounts
- Life, AD&D, and accident coverage, with company-paid life and long-term disability
- 401(k) with 3% company match (via Fidelity)
- Flexible vacation policy and paid company holidays
- Paid parental leave
- Work-from-home equipment stipend
- $1,000 annually to invest in your learning and growth
- $1,000/year in charitable donation matching
- Team lunch 2x per week
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Kubernetes Infrastructure Engineer focused on developing software infrastructure for Quantum Key Distribution as a service. Join zerothird in Vienna, a leader in quantum cryptography technology.
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