Back to jobs
New

Senior Firmware Engineer I - LTE

Scottsdale, Arizona, United States

Join Axon and be a Force for Good.

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other.

Life at Axon is fast-paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter.

Axon’s mission is to Protect Life and is committed to the well-being and safety of its employees as well as Axon’s impact on the environment. All Axon employees must be aware of and committed to the appropriate environmental, health, and safety regulations, policies, and procedures. Axon employees are empowered to report safety concerns as they arise and activities potentially impacting the environment.

Your Impact

Contribute to IoT device-level firmware with a primary emphasis on the Cellular link as part of the Platform Firmware team. Platform Firmware owns connectivity across all camera-based products, drives automated test systems for engineering excellence, and partners with Hardware Engineering on new programs. Development environments include Embedded Linux (C/C++, Go, Yocto) and RTOS on micro-controllers (C). Rust is being explored. You will solve challenging cellular-centric problems and craft code used across Axon embedded product team.

Where You’ll Work

Location: Working Remotely with easy access to a Local Axon Hub in Scottsdale, AZ

What You’ll Do



Travel: Firmware Engineering requires collaboration with Hardware Engineering and being hands-on. While the job is Remote near a Local Axon Hub, travel obligations to the office for Board Bring-up, Hardware and Manufacturing Support are required during critical build milestones of the Product Development Life-Cycle. We are forecasting 10% travel to Boston, Scottsdale, Brussels or Finland over a period of 18mo - remainder of time is discretionary to your choice of working from home or working from the office.

What You’ll Do

Reports to: Level-dependent; Firmware Engineering Manager or Director of Engineering, Platform Firmware
Direct Reports: None

  • Collaborate with Electrical & RF engineers to integrate LTE modems; develop scripts and tooling that extract and interpret low-level modem data during bring-up and production.
  • Debug and analyze modem logs to resolve attach, registration and throughput issues.
  • Implement LTE functionality via AT commands and host-driver interfaces, ensuring reliable data connectivity and OTA update paths.
  • Support carrier certification and field-test campaigns by reproducing issues, triaging logs and delivering firmware fixes in partnership with Axon Carrier-Ops.
  • Develop manufacturing-line tools for SIM/eSIM provisioning and carrier-profile flashing; verify reliable activation at high volumes.
  • Implementation and verification of Firmware for eLinux User-space daemons that manage cellular connection
  • Build automated connectivity-health metrics & monitoring hooks so device fleets self-report signal quality, attach time and key KPIs.
  • Partner with Cloud, Security and Carrier-Ops teams to validate APN/VPN configurations and protect SIM credentials.
  • Provide scripts and analysis to help EE verify RF path performance and power behavior under worst-case LTE duty cycles.
  • Write clear design docs, code reviews and troubleshooting guides that make cellular concepts accessible to non-specialists.
  • When LTE work is light, pitch in as a generalist on Wi-Fi, BLE, power-management or test-infrastructure tasks.
  • Write and review Design Docs, Pull Requests, and contribute to the Team’s documentation bank
  • Drive Engineering Excellence and adopt a test and metrics-first mindset
  • Be a Team Player, Mentor, Strong Communicator and be ready and willing to support the Team when needed
  •  

What You Bring

  • B.S. in Computer Engineering, Electrical Engineering or equivalent
  • At least 2 years hands-on with LTE or 5G modems in IoT devices and or modem drivers.
  • Understanding of LTE protocol stack, AT command sets, SIM/eSIM workflows, and typical carrier requirements.
  • Working knowledge of network fundamentals (IP, VPNs, QoS, firewalls) and secure OTA update pipelines.
  • Experience in programming with C, C++, Rust, Golang and/or Python
  • Real-world Industry Firmware or Embedded experience of 8+ years developing on connected IoT products. E
  • Experience with Bootloaders
  • Basic ability to read Datasheets and Schematics
  • Experience with concise Technical Writing and Architecture Diagramming
  • Strong understanding of Computer Architecture and Peripherals
  • Strong understanding of Operating Systems, Concurrency and Networking concepts
  • Experience with both Kernel and User-space Embedded Linux with exposure to Yocto, OpenWRT or other Embedded Distros for Board Support Packaging (BSP) is a Plus
  • Experience with power optimization and measurement in IoT devices is a Plus.
  •  

Benefits that Benefit You

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

 

The Pay: Axon is a total compensation company, meaning compensation is made up of base pay, bonus, and stock awards. The starting base pay for this role is between USD 122,000 in the lowest geographic market and USD 266,000 in the highest geographic market. 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 www.axon.com/careers/benefits (http://www.axon.com/careers/benefits).

#LI-Hybrid

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’s mission is to Protect Life and is committed to the well-being and safety of its employees as well as Axon’s impact on the environment. All Axon employees must be aware of and committed to the appropriate environmental, health, and safety regulations, policies, and procedures. Axon employees are empowered to report safety concerns as they arise and activities potentially impacting the environment.

We are an equal opportunity employer that promotes justice, advances equity, values diversity and fosters inclusion. We’re committed to hiring the best talent — regardless of race, creed, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, genetic information, veteran status, or any other characteristic protected by applicable laws, regulations and ordinances — and empowering all of our employees so they can do their best work. If you have a disability or special need that requires assistance or accommodation during the application or the recruiting process, please email recruitingops@axon.com. Please note that this email address is for accommodation purposes only. Axon will not respond to inquiries for other purposes.

Create a Job Alert

Interested in building your career at Axon? Get future opportunities sent straight to your email.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf

Select...
Select...
Select...
Select...
Select...
Select...
Select...

Due to the nature of Axon’s products and technology, certain job-related technical data is subject to U.S. Export Administration Regulations (EAR). In order for certain Non-U.S. Persons to access this technology/data, Axon must apply for and be issued a deemed export license from the U.S. Department of Commerce. Any Non-U.S. Person is subject to deemed export regulations except a Non-U.S. Person who (1) is granted U.S. Permanent Resident status, as demonstrated by the issuance of a permanent resident visa (i.e., Green Card); or (2) is granted U.S. citizenship; or (3) is granted status as a protected person (i.e., Asylee or Refugee) under 8 U.S.C. 1324b(a)(3).

Select...
Select...
Select...
Select...
Select...
Select...

Warning: The use or possession of marijuana remains unlawful under Federal law regardless of whether it has been legalized or decriminalized for medicinal or recreational purposes in the state where you reside.

Select...
Select...
Federal Firearms Licensee Employee Accessor Questionnaire *

The following questions apply only to an employee’s ability to access firearms in accordance with Reference 5.1, 18 U.SC. § 922(d), (g) and (n), Reference 5.7, 27 C.F.R. § 478.32. Answering dishonestly to any of the below questions may result in disciplinary action up to and including termination. Possession of firearms by Prohibited Possessors is a violation under U.S. federal law and can result in criminal penalties. Please answer all questions below in a “Yes” or “No” format.

Select...
Select...
Select...
Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Axon’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Select...
Select...
Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305
Page 1 of 1
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.