Sr Machine Learning Engineer II

Posted Yesterday
Be an Early Applicant
Seattle, WA, USA
Hybrid
151K-241K Annually
Senior level
Artificial Intelligence • Cloud • Social Impact • Software • Wearables
Axon is the global leader of connected public safety technologies, including hardware, software and training.
The Role
Researches, designs, and validates machine learning, sensor-fusion, tracking, estimation, and probabilistic models for real-time airspace awareness. Develops algorithms such as Kalman filters, particle filters, Bayesian filters, and multi-hypothesis tracking; conducts simulations, benchmarks performance, analyzes multimodal datasets, quantifies uncertainty, and partners with software engineers to deploy production-ready systems.
Summary Generated by Built In
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.

Your Impact

As an Senior Machine Learning Engineer II focused on Sensor Fusion & Tracking, you will research, design, and validate advanced estimation and probabilistic models that power Dedrone’s real-time airspace awareness systems. Your work will shape the mathematical foundations behind multi-sensor fusion, multi-target tracking, and uncertainty modeling in complex environments. This role offers the opportunity to translate cutting-edge theory into deployed systems that support critical safety missions worldwide.

What You’ll Do

Location: Hybrid from Seattle, WA 

  • Research and develop advanced multi-sensor fusion and multi-target tracking methodologies.
  • Design probabilistic models and state estimation frameworks for radar, RF, optical, and other sensing modalities.
  • Develop and evaluate algorithms such as Kalman filters (EKF/UKF), particle filters, Bayesian filters, probabilistic data association, and multi-hypothesis tracking.
  • Conduct simulation studies and performance benchmarking across varying operational conditions and noise environments.
  • Analyze real-world datasets to validate model assumptions, quantify uncertainty, and improve robustness.
  • Partner closely with software engineers to transition validated algorithms into scalable, production-ready systems.
  • Publish internal technical documentation and contribute to intellectual property development where applicable.
  • Stay current with advancements in tracking, estimation theory, probabilistic modeling, and machine learning research.
What You Bring
  • Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Applied Mathematics, or related field — or equivalent hands-on experience building ML systems in production.
  • 8+ years of experience developing and deploying machine learning systems in real-world applications.
  • Well-developed proficiency in Python and experience with ML frameworks such as PyTorch, TensorFlow, or similar.
  • Experience deploying ML systems in production environments (cloud, edge, or embedded systems).
  • Solid understanding of statistics, model evaluation, and performance trade-offs.
  • Familiarity with MLOps practices including CI/CD for ML, model versioning, monitoring, and automated retraining workflows.
  • Experience working with large, noisy, or multi-modal datasets.
  • Clear communication skills and a collaborative mindset aligned with Axon’s values: Aim Far, Win Right, Own It, Join Forces, and Be Obsessed with the Customer.
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
  • Employee Resource Groups (ERGs)
  • And yes, we have snacks in our offices

Benefits listed herein may vary depending on the nature of your employment and the location where you work.

Location: This role is based out of our Seattle, WA office and follows a hybrid schedule. We rely on in-person collaboration and ask that team members work onsite Tuesdays through Fridays, with the flexibility to work remotely on Mondays, unless there is an approved workplace accommodation. We believe that connection fuels innovation, and our in-office culture is designed to foster meaningful teamwork, mentorship, and shared success.

#LI-Hybrid

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
$150,750$241,200 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.

We collect personal information from applicants to evaluate candidates for employment. You may request access, deletion, or exercise other CCPA rights at [email protected] or via our Axon Privacy Web Form. For more information, please see the Your California Privacy Rights section of our Applicant and Candidate Privacy Notice.

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 [email protected].  Please note that this email address is for accommodation purposes only. Axon will not respond to inquiries for other purposes.

Phishing alert:  Axon will never ask you to pay for any part of the hiring process, including training, equipment, or background checks. We do not make job offers via text message, WhatsApp, or instant messaging platforms without a formal interview process.  All legitimate job openings are listed on our official careers page at https://www.axon.com/careers.  If you receive a suspicious offer or outreach from an email address that is not @axon.com, or if you are asked for sensitive personal information (bank details, Social Security Number) prematurely, please ignore the message and report it to [email protected].


Skills Required

  • Bachelor’s or master’s degree in Computer Science, Electrical Engineering, Applied Mathematics, or a related field, or equivalent hands-on experience building production ML systems
  • 8+ years of experience developing and deploying machine learning systems in real-world applications
  • Proficiency in Python and experience with ML frameworks such as PyTorch or TensorFlow
  • Experience deploying ML systems in production environments, including cloud, edge, or embedded systems
  • Strong understanding of statistics, model evaluation, and performance trade-offs
  • Familiarity with MLOps practices, including CI/CD for ML, model versioning, monitoring, and automated retraining workflows
  • Experience working with large, noisy, or multimodal datasets
  • Clear communication skills and a collaborative mindset

Axon Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Axon and has not been reviewed or approved by Axon.

  • Healthcare Strength Health coverage includes comprehensive medical, dental, and vision plans with employer HSA contributions and 24/7 mental-health support. Wellness programs and fitness options further enhance the package.
  • Equity Value & Accessibility Total rewards commonly include stock grants and an employee stock purchase plan alongside base pay and bonuses. Equity is highlighted as a motivating component of compensation.
  • Parental & Family Support Paid parental leave is offered, including a standard period with additional supplemental pregnancy leave. Family-focused policies are positioned as a meaningful part of the overall benefits.

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The Company
HQ: Scottsdale, AZ
2,700 Employees
Year Founded: 1993

What We Do

Our mission is to protect life by making the bullet obsolete and developing technologies to make the world a safer place. Axon is a software & hardware team of product experts, security pros, engineering wizards, sales & marketing pros, and technology buffs - all committed to helping make the world a safer place.

Why Work With Us

Axon innovations exist to bridge the divide between communities and law enforcement. Our team works to solve big societal issues by providing public safety with the tools to help decrease use-of-force and increase transparency and accountability. Big goals mean we need high-performance teams, independent thinking, and cross-functional excellence.

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