Position Overview

Axon 911's Carbyne Voice team is building the infrastructure that handles emergency calls - in the cloud. This is not a monitoring layer on top of existing telephony; it is the actual call-handling engine, responsible for every packet, every route, and every millisecond of uptime in a life-critical system.

As a Staff VoIP Engineer, you will help design, build, and maintain this infrastructure, ensuring that no call fails - ever. Your work will directly influence the reliability of 911 dispatch for PSAPs across the country, while advancing one of the most novel cloud-native voice platforms in public safety.

This is a hybrid role, with an expectation of four days per week in our Manhattan office.
What You'll Do

Design and develop cloud-based voice infrastructure handling SIP routing, call state management, and redundancy for emergency 911 systems
Build and maintain integrations with telephony providers, PSAPs, and external partners, ensuring end-to-end call reliability in production environments
Drive major features and architectural evolution of the voice platform
Collaborate closely with operations, networking, and engineering teams to ensure system visibility, reliability, and alignment on infrastructure changes
Participate in on-call rotations or incident response for production voice infrastructure, given the zero-failure requirement of the system

What Makes You a Great Fit

Deep experience with VoIP/UC systems and SIP protocol. You have written or integrated SIP-based applications and can speak fluently about the protocol's behavior
Cloud platform experience, ideally AWS. You understand how to build distributed, fault-tolerant systems in the cloud, not just in hardware-based telecom infrastructure
Familiarity with open-source VoIP tools such as FreeSWITCH and Kamailio. Direct experience with these is a strong signal; adjacent experience is welcome
Comfort operating in a highly cross-functional environment. You work fluidly with networking, operations, and product teams and communicate technical complexity clearly
We believe this role requires someone who thrives under meaningful responsibility. Someone who understands that every call handled well is an opportunity to help, support, and ultimately save lives

Benefits that Benefit You

Competitive salary and 401k with employer match
Discretionary time off
Paid parental leave for all
Medical, Dental, Vision plans
Fitness Programs
Emotional & Development Programs
And yes, we have snacks in our offices

Axon is a total compensation company, meaning compensation is made up of base pay, bonus, and stock awards. The actual base pay is dependent upon many factors, such as: level, function, training, transferable skills, work experience, business needs, geographic market, and often a combination of all these factors. Our benefits offer an array of options to help support you physically, financially and emotionally through the big milestones and in your everyday life. To see more details on our benefits offerings please visit https://www.axon.com/careers.

Base Pay Range

$170,775-$227,700 USD

Don't meet every single requirement? That's ok. At Axon, we Aim Far. We think big with a long-term view because we want to reinvent the world to be a safer, better place. We are also committed to building diverse teams that reflect the communities we serve.

Studies have shown that women and people of color are less likely to apply to jobs unless they check every box in the job description. If you're excited about this role and our mission to Protect Life but your experience doesn't align perfectly with every qualification listed here, we encourage you to apply anyways. You may be just the right candidate for this or other roles.

Important Notes

The above job description is not intended as, nor should it be construed as, exhaustive of all duties, responsibilities, skills, efforts, or working conditions associated with this job. The job description may change or be supplemented at any time in accordance with business needs and conditions.

Some roles may also require legal eligibility to work in a firearms environment.

Axon

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Staff VoIP Engineer, Axon 911