Senior Electrical Test Systems Engineer

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats.

CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit www.chaosinc.com.

Role Overview

CHAOS is seeking a Senior Electrical Test Systems Engineer to design, build, and maintain Special Test Equipment (STE), Ground Support Equipment (GSE), and Hardware-in-the-Loop (HIL) infrastructure used to develop, integrate, test, and validate advanced sensor, avionics, and embedded systems in R&D, production, and field environments.

This role is responsible for the electrical architecture, integration, and sustainment of automated test racks, interface test adapters (ITAs), cable assemblies, instrumentation, and subsystem interconnects. The ideal candidate has experience developing complex electronic test systems using commercial instrumentation and industry-standard interfaces within aerospace, defense, or high-performance embedded system environments.

This is a full-time, on-site position in El Segundo, CA.

Responsibilities

• Design, develop, integrate, and sustain automated STE/GSE systems for sensor, avionics, and embedded hardware platforms
• Architect test racks, interface test adapters (ITAs), cable assemblies, subsystem interconnects, and instrumentation interfaces
• Integrate and troubleshoot commercial test equipment including oscilloscopes, spectrum analyzers, signal generators, VNAs, DMMs, and switching systems
• Support hardware-in-the-loop (HIL) and subsystem integration test environments for R&D and production programs
• Define electrical architectures including power distribution, grounding, signal conditioning, instrumentation, and interface control
• Develop electrical schematics, wiring diagrams, rack layouts, and technical documentation
• Collaborate with software, systems, RF, electro-optical, mechanical, and production engineering teams to develop automated test solutions
• Support automated verification, validation, acceptance testing, and production test activities

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• Perform troubleshooting, root cause corrective action (RCCA), integration, and test execution for complex hardware/software systems
• Support deployment, sustainment, and continuous improvement of lab, production, and fielded test systems
  
  

Minimum Requirements

• Bachelor’s degree in Electrical Engineering or related STEM discipline
• 5+ years of experience designing electrical test systems or automated test equipment
• Experience designing STE, GSE, ATE, or HIL systems for aerospace, defense, or embedded hardware applications
• Experience integrating and automating commercial test equipment using SCPI, Ethernet, Serial, USB, or GPIB interfaces
• Practical experience with modular test platforms such as PXIe, LXI, or VXI
• Experience with interface test adapters (ITAs), cable/harness design, and subsystem integration
• Understanding of electrical interfaces including Ethernet, Serial, USB, LVDS, SPI, I2C, CAN, and discrete I/O
• Familiarity with RF, EO/IR, avionics, radar, or embedded electronic systems
• Experience developing electrical schematics and hardware documentation using ECAD tools
• Experience debugging complex mixed-signal, embedded, RF, or avionics systems at subsystem and system level

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• Familiarity working with automated test environments and software automation teams
• Strong hands-on laboratory and hardware integration experience
• Ability to obtain and maintain a U.S. security clearance
  
  

Preferred Requirements

• Master’s degree in Electrical Engineering or related discipline
• Experience supporting RF/radar or EO/IR sensor integration and test
• Experience with rack-level system design including power, cooling, grounding, and EMI/EMC considerations
• Experience with high-speed digital, analog, and RF measurement systems
• Familiarity with Python-based test automation and instrumentation control
• Experience supporting high-rate manufacturing or production test environments
• Experience supporting deployed or customer-facing GSE systems
• Familiarity with military or aerospace standards and environmental test practices

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• Experience using ECAD tools such as Altium Designer, Zuken, or Mentor Graphics for multi-sheet schematics and harness documentation
• Familiarity with environmental and qualification testing including vibration, thermal, and EMI/EMC validation
  
  

Why CHAOS?

• Health Benefits: Medical, dental, and vision benefits 100% paid for by the company
• Additional benefits: 401k (+ 50% company match up to 6% of pay), FSA, HSA, life insurance, and more
• Our Perks: Free daily lunch, ‘No meeting Fridays’, unlimited PTO, casual dress code
• Compensation Components: Competitive base salaries, generous pre-IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses
• Team Growth: 250 employees and counting across 5 global offices
  
  

$130k-210k

The stated compensation range reflects only the targeted base compensation range and excludes additional earnings such as bonus, equity, and benefits. If your compensation requirements fall outside of the range, we still encourage you to apply. The salary range for this role is an estimate based on a range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations.

Recruiting Agencies: CHAOS Industries does not accept unsolicited resumes or outreach. Unsolicited submissions will not be reviewed or compensated.