ZeroTier, Inc.

Network Engineer

• Participate in design and implementation strategies to enhance and improve ZeroTier’s networking agent.
• Develop and maintain communication primitives using protocols such as TCP and UDP, as well as custom transport layers.
• Implement secure tunneling, NAT traversal techniques, and robust reconnection/keepalive mechanisms.
• Work with low level, OS-specific operations (sockets, netlink, firewall rules, etc.) to optimize data paths.
• Profile and optimize network performance (latency, throughput, connection reliability).
• Build cross-platform abstractions enabling the agent to run in varied environments.
• Write clean, maintainable, well-tested code and contribute to architecture documentation.
• Collaborate with cross-functional teams on system design, threat modeling, and deployment strategies.

Staff Network Engineer – Low-Level Networking Agent

Performance Marketing

• Design and launch multi-channel programs (content, email/nurture, webinars/events, partners/channel, and paid search/social acquisition) that turn interest into buys.
• Set targets and forecast marketing-sourced pipeline; track MQL/MQA→SQL and opportunity conversion of both PLS and SLG, as well as significant direct PLG acquisition.
• Regular collaboration on ABSM motions on segments, target lists, intent data, sequences, and marketing plays that open doors in key industries and named accounts.
• Website & conversion: Improve landing pages and sign-ups; A/B test copy/CTAs/forms; raise visitor→lead and lead→trial/meeting conversions.
• Build reports and dashboards across HubSpot (+ a rich layer of AI, enrichment, and internal tooling for analytics), including CAC/CPL, ROMI/ROAS, and more.
• Maintain and improve lead scoring, routing, and SLAs; ensure clean attribution and feedback loops, both directly and with other teams.
• You'll partner closely and regularly with Marketing, Sales, Data Ops, and Product team members to hit strong growth goals.

Demand Generation Lead

Backend Engineer

• ZeroTier’s leads the world in next-generation connectivity and cybersecurity.
• Build and optimize next-generation networking agent in Rust.
• Drive architectural decisions and ensure security best practices.
• Implement low-level systems code, OS APIs, and protocol handling.
• Improve observability, telemetry, and runtime diagnostics.
• Lead performance profiling and tuning for reliability and throughput.
• Collaborate with product, infrastructure, and executive stakeholders.
• Provide technical mentorship and shape SDLC of ZeroTier’s core platform

Staff Network Engineer – Low-Level Networking Agent

Demand Generation Lead

Staff Rust Engineer