Full-Time

Radio Frequency Hardware Engineer

CX2

CX2

51-200 employees

Autonomous AI-powered RF threat detection platform

Compensation Overview

$140k - $180k/yr

+ Stock options

No H1B Sponsorship

El Segundo, CA, USA

In Person

US Citizenship, US Top Secret Clearance Required

Category
Electrical Engineering (1)
Required Skills
Machine Learning
Requirements
  • BS/MS in Electrical Engineering, Computer Engineering, or related field
  • Antenna and receiver design across analog/RF/mixed-signal domains: mixers, PLLs/LOs, gain/linearity/noise trades; ability to turn simulations into reality.
  • Channelizers & wideband architectures: filter banks, analog/digital down conversion, sample-rate planning, clocking/synchronization.
  • Willingness to support critical test events that occasionally require extended hours/weekends
  • Ability to obtain and maintain a security clearance
  • Must be a U.S. Person (see ITAR Regulations below) due to required access to U.S. export-controlled information or facilities
Responsibilities
  • Design, validate & deliver RF payload subsystems: Design, Integration and Testing of Antennas, RF front ends, SDRs and provide validation of operation. Support development and analysis of RF performance metrics.
  • Own requirements, ICDs, and verification from concept through delivery
  • Stay current: Track and insert advances in relevant technologies, SDRs, RF Systems, RF machine learning, and PNT.
Desired Qualifications
  • PhD in Electrical Engineering, Computer Engineering, or related field
  • 5+ years’ experience with EW subsystems and payloads
  • EA/ECM technique design (deception, Digital RF Memory, coherent/non-coherent techniques)
  • Digital Signal processing: Design characterize and deliver channelizers, wideband detection/classification, MIMO/digital-arrays, and algorithms in MATLAB/Python/C++
  • Communication / Waveform system design
  • RF machine learning for emitter ID, modulation/classification, anomaly detection, PDW creation
  • Tools Experience: ADS/AWR/SystemVue, MATLAB/Simulink, Python (NumPy/SciPy), GNU Radio/SDR (USRP/RFSoC), VITA-49; HDL/firmware experience; also helpful (Vivado/Quartus/Libero)
  • Clearance: Active Secret or ability to obtain and maintain; TS/SCI eligibility preferred. ITAR/EAR-controlled work. Learn more about Security Clearances
  • Field work: supporting periodic travel for flight tests and customer demonstrations/support
  • Mindset: Builder-tester who loves first-principles RF, rapid lab iteration, and getting hardware flying fast

CX2 develops AI-enabled hardware and software to manage the electromagnetic spectrum for military use. Its platform autonomously detects, classifies, and counters RF threats at the tactical edge, providing spectrum awareness and emitter tracking with GPS-denied capability and optional high-resolution imagery for threat confirmation. The system is modular and hardware-agnostic, designed to be deployed on drones or vehicles and updated quickly at lower cost compared with traditional EW systems. The goal is to enable rapid, targeted responses to RF threats to protect missions for the U.S. military and its allies, leveraging a leadership team with deep military, defense, and tech experience.

Company Size

51-200

Company Stage

Series A

Total Funding

$46M

Headquarters

El Segundo, California

Founded

2024

Simplify Jobs

Simplify's Take

What believers are saying

  • Picogrid partnership integrates spectrum sensing into Army air defense.
  • AI threat classification reduces operator workload at tactical edge.
  • $31M Series A from Point72 and a16z accelerates hiring and development.

What critics are saying

  • Anduril erodes CX2's market with $1.5B funding and DIU contracts.
  • Epirus diverts Army contracts using mature EMP counter-drone tech.
  • DoD Replicator favors Northrop Grumman drones over CX2 EW systems.

What makes CX2 unique

  • CX2's Vadris FPV seeker targets drone operators, not platforms.
  • Wraith platform enables GNSS-denied RF geo-location autonomously.
  • Modular architecture deploys across drones and vehicles rapidly.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Paid Holidays

Professional Development Budget

Company News

EIN Presswire
Jun 16th, 2025
CX2 Secures $31M Series A Funding

Defense tech startup CX2, co-founded by Nathan Mintz and Porter Smith, announced a $31M Series A funding round in May 2023. The round was led by Point72 Ventures, with participation from new investors like Upfront Ventures, Pax Ventures, and 201 Ventures, as well as existing investors Andreessen Horowitz and 8VC. CX2 focuses on electronic warfare systems, aligning with the evolving nature of warfare, as seen in the Ukraine conflict.

Axios
May 22nd, 2025
CX2 raises $31M for electronic warfare

Electronic warfare startup CX2 has raised $31 million in a Series A round led by Point72 Ventures, with participation from Andreessen Horowitz, 8VC, and Pax Ventures. The funding will help CX2 hire more staff and accelerate the development of its electronic warfare tools. CEO Nathan Mintz highlighted the importance of mastering the electromagnetic spectrum, especially in light of the Ukraine conflict. CX2 works with the U.S. Army's 10th Mountain Division and builds software and hardware for electronic warfare.

Forbes
Jun 7th, 2024
A Secret ‘Electronic Warfare’ Startup Is Raising $15 Million From A16z And 8VC

CX2, which is still in stealth, is being led by serial entrepreneur Nathan Mintz, who co-founded the counter-drone unicorn Epirus.