CX2, Inc.

Signal Processing Engineer

Posted 7 Days Ago

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El Segundo, CA, USA

In-Office

140K-190K Annually

Mid level

Aerospace • Hardware • Software • Defense

The Role

The role involves designing, implementing, and testing signal processing algorithms, primarily using MATLAB and Python, contributing to software development, and staying updated on advances in signal processing technology.

Summary Generated by Built In

CX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains.

CX2 is seeking a highly skilled Signal Processing Engineer to join our growing team. The ideal candidate has solid fundamentals in design, implementation and testing of signal processing techniques using MATLAB, Python and other existing frameworks. Experience in Defense is preferred.

This role requires an onsite presence in our El Segundo, CA HQ; a remote work environment is not considered for this opportunity.

Key Responsibilities

Digital Signal processing: Design, characterize, and deliver algorithms such as channelizers, frequency agile detection, adaptive filters, MIMO, wideband detectors, and other algorithms related to signal sorting
Write and contribute to existing Python repositories using CUDA and/PyTorch
Own requirements, ICDs, and verification from concept through delivery
Stay current: Track and insert advances in signal processing techniques and associated technologies, adaptive beamforming, RF machine learning, and resilient PNT for GPS-denied ops.

Required Qualifications

Masters Degree in Electrical, Computer or Systems Engineering or related field with Graduate study emphasis in Signal Processing; OR a Bachelor’s Degree in an Engineering discipline with 3-5 years relevant working Signal Processing Experience
Intermediate to advanced proficiency in Python
Willingness to support critical test events that occasionally require extended hours/weekends.
Ability to obtain and maintain a security clearance. Learn more about Security Clearances here.
Must be a U.S. Person (see ITAR Regulations below) due to required access to U.S. export-controlled information or facilities

Bonus Points

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).
Comms system design (LPI/LPD, Waveform-of-Interest exploitation)
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.
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.

ITAR Regulations

To conform to U.S. Government export regulations, applicant must be a US Citizen, Green Card holder, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

What We Offer

Competitive salary, stock options and benefits, including health, vision and dental.
401K enrollment at 90 days.
Generous PTO + most Federal Holidays observed.
Collaborative and inclusive work environment.
Access to the latest tools and technologies.
High levels of responsibility and autonomy.
Professional growth and development opportunities.
Access to the hardest problems in electronic warfare.

CX2 is a next-generation defense technology company securing spectrum dominance for the United States and its allies. We build AI-enabled hardware and software platforms to detect, disrupt, and defend the electromagnetic spectrum across land, air, sea, and space. Our systems are deployed in the most contested operational environments in the world. We’re backed by leading venture investors in the defense ecosystem and led by founders with track records at Meta, SpaceX, Epirus, and the U.S. Department of Defense.

Equal Opportunity Employer

CX2 is committed to equal employment opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, veteran status, or any other protected characteristic under federal, state, or local law, including those with a criminal history, in compliance with the CA Fair Chance Initiative for Hiring Ordinance.

To view CX2's privacy policy, please visit: https://www.cx2.com/privacy

Skills Required

Masters Degree in Electrical, Computer or Systems Engineering or related field with Graduate study emphasis in Signal Processing; OR a Bachelor's Degree in an Engineering discipline with 3-5 years relevant working Signal Processing Experience
Intermediate to advanced proficiency in Python
Ability to obtain and maintain a security clearance

CX2, Inc. Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CX2, Inc. and has not been reviewed or approved by CX2, Inc..

Equity Value & Accessibility — Job postings consistently include stock options alongside base salary, signaling accessible ownership participation for new hires. This indicates equity is a standard component of offers at the company’s current stage.
Leave & Time Off Breadth — Listings describe generous PTO and note that most Federal Holidays are observed, indicating above-baseline time off for a small defense startup. This points to meaningful paid leave even without published accrual counts.
Healthcare Strength — Role descriptions state inclusion of health, vision, and dental insurance, establishing core medical coverage as part of the package. The presence of these coverages signals baseline healthcare support for employees.