Senior RF Engineer

Posted 2 Days Ago
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Kassel, Hessen, DEU
In-Office
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
Owns RF hardware architecture and end-to-end development for drone detection and countermeasure systems. Designs wideband receive chains, high-power transmit chains, mixers, amplifiers, filters, switching networks, and multilayer RF PCBs. Leads simulation, fabrication, bring-up, characterization, and qualification while setting engineering standards and mentoring RF and antenna engineers. Collaborates with DSP, software, mechanical, systems, and regulatory teams on product delivery and technical direction.
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

You will be the technical authority for RF hardware behind Dedrone's airspace security products — the RF detection sensors that find and classify drones, and the countermeasure systems that defeat them. You own the hard RF problems end to end: wideband receive chains, high-power transmit chains, and their physical realization on board. You do not carry direct reports, but you technically lead a group of RF hardware engineers and antenna designers — you set the standards they design to, review their work, and grow their capability. This is a hands-on role. You will spend real time in simulation, on the bench, and in the chamber.

What You'll Do

Location: This role is based out of our Kassel 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.
Reports to: Director RF Engineering

  • Own RF front-end architecture from VHF through SHF: link budgets, frequency planning, spurious and intermodulation analysis, sensitivity and dynamic-range trade-offs.
  • Design and characterize mixers, high-power amplifiers, filters, and switching networks against demanding linearity, efficiency, and thermal targets.
  • Drive board-level simulation (EM, circuit, and co-simulation) and take designs through multi-layer RF PCB layout, stack-up definition, and fabrication release.
  • Lead bring-up, characterization, and design-for-test; close the loop between simulated and measured performance.
  • Set and enforce RF design standards, review checklists, and documentation practice across the group.
  • Mentor RF HW engineers and antenna designers; raise the technical bar through design reviews rather than rework.
  • Partner with DSP, software, mechanical, and systems engineering, and with regulatory/compliance on CE, FCC, and MIL-STD qualification.
  • Advise leadership on technology direction, build-vs-buy, and technical risk.
What You Bring
  • 10+ years in RF hardware design, with a track record of products shipped to volume.
  • Deep expertise across VHF, UHF, and SHF — not just one band.
  • Demonstrated design ownership of mixers and high-power amplifiers above 10 W.
  • Strong command of RF simulation tooling — EM and circuit solvers (e.g. ADS, AWR, HFSS, CST) — and the judgment to know when simulation is telling you the truth.
  • Multi-layer RF PCB design: controlled impedance, material selection, grounding, isolation, thermal management.
  • Fluent with VNAs, spectrum analyzers, signal generators, and power measurement; comfortable debugging from first principles.
  • Proven technical leadership of a design group — setting direction and standards, mentoring, running rigorous design reviews.
  • Degree in Electrical Engineering, Communications Engineering, or equivalent.
Nice to have
  • Antenna design and integration — element and array design, platform effects, radiation-pattern measurement.
  • Direction-finding techniques (amplitude/phase comparison, interferometry, TDOA, AoA estimation).
  • Beamforming across approaches: analog, digital, and hybrid; phased arrays and adaptive/null-steering methods.
  • Hands-on experience with SDR platforms.
  • Experience developing and qualifying products for regulated markets — CE, FCC, and/or MIL-STD.
  • Working knowledge of DSP concepts sufficient to trade functionality between analog and digital domains.

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

  • 10+ years of RF hardware design experience
  • Track record of products shipped to volume
  • Deep expertise across VHF, UHF, and SHF
  • Experience designing mixers and high-power amplifiers above 10 W
  • Strong command of RF simulation tools such as ADS, AWR, HFSS, or CST
  • Multilayer RF PCB design experience, including controlled impedance, material selection, grounding, isolation, and thermal management
  • Fluency with VNAs, spectrum analyzers, signal generators, and power measurement equipment
  • Technical leadership experience, including setting standards, mentoring, and conducting design reviews
  • Degree in Electrical Engineering, Communications Engineering, or equivalent
  • Antenna design and integration experience
  • Direction-finding techniques experience, including TDOA or AoA estimation
  • Analog, digital, or hybrid beamforming experience
  • Phased arrays and adaptive or null-steering methods experience
  • Hands-on SDR platform experience
  • Experience qualifying products for CE, FCC, or MIL-STD markets
  • Working knowledge of DSP concepts

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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