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Long Wall · 2 months ago

Sr. Avionics Software Engineer

Long Beach, CA

Full-time

Onsite

Senior Level

$170K/yr - $255K/yr

6+ years exp

Long Wall Company was created in 2025 to accelerate missile defense technology for the U.S. and our allies. As an avionics software engineer, you will collaborate with various engineering teams to develop and maintain software for hardware-in-the-loop testbeds, ensuring the performance and verification of vehicle designs.

AerospaceManufacturing

No H1B

U.S. Citizen Only

Responsibilities

Collaborate across domains to develop and maintain the hardware-in-the-loop (HITL) testbed simulation capabilities of our vehicles

Design modular software frameworks that are leveraged across various critical avionics instrumentation and testbed designs

Develop and maintain data analysis tooling for sub-system verification of vehicle hardware and software

Partner with domain REs to define and develop HITL test cases to verify vehicle sub-systems

Continuously expand existing HITL architecture and software framework by developing and integrating new software tools and modules

Qualification

C++PythonHITL testbedUnix-like OSTest automationData analysis toolingAgile team collaborationElectrical engineeringSoftware documentationCommunication skills

Required

B.S. degree or higher in electrical engineering, computer engineering, computer science, or related subject area AND 8 years of relevant experience; or Masters degree AND 6 years of relevant experience; or PhD AND 3 years of relevant experience

Relevant experience: software/firmware environment, along with experience and proficiency with programming and scripting languages (C++, C, C#, Python, Lua, etc.)

US person status (including US citizens, U.S. permanent residents, individuals granted U.S. asylum status, or individuals admitted in U.S. refugee status)

Preferred

Experience introducing and integrating new hardware nodes into existing networks

5+ proven years of relevant experience in a startup environment

Excellent written, verbal, and interpersonal communication skills

Preference for and ability to thrive as a member of a small agile team in a dynamic environment

Proven history of integrating new software and hardware systems

Familiarity with Unix-like operating systems

Demonstrated electrical engineering, digital and analog circuit fundamentals, and lab skills (ability to read schematics, understand datasheets, debug PCBs)

Experience with test automation and automated data analysis

Experience creating software documentation and system diagrams

General understanding of instrumentation, interfaces, and common communication protocols including DMMs, DAQ, electronic loads, power supplies, oscilloscopes, GPIO, Serial-422, UDP, GigE, I2C, SPI