Spacecraft Avionics Engineer II/III — Build & Validate Systems

Firefly Aerospace; Cedar Park (TX); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Health care plans

Parental leave

Relocation benefits

Education reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking an Electrical Engineer - Spacecraft Avionics to design, develop, and test avionics systems for our spacecraft and ensure proper integration with software, mechanical, propulsion, fluids, and structures teams.

You will develop schedules, system‑level test plans, and support launch day and on‑orbit operations, with emphasis on hands‑on electrical engineering in both analog and digital domains and collaboration across disciplines.

Qualifications

• Bachelors in Electrical Engineering required or equivalent.
• Experience with aerospace component development, testing, integration, or operations.
• Experience in analog and digital circuit design with test equipment.
• Experience with trade studies and sensitivity analyses to select architectures.
• Hands‑on circuit prototyping and testing.
• Proactive, self‑starting attitude; strong technical writing & SOP creation.
• Experience with Python.

Responsibilities

• Design electrical architecture for avionics and integrate components on spacecraft.
• Support AIT, launch integration, and on-orbit operations.
• Interpret design decisions and direct assembly/test operations.
• Write and execute assembly procedures and electrical validation processes.
• Lead design and development of avionics systems for current and future spacecraft.
• Develop verification, qualification, and acceptance test plans and coordinate execution.
• Suggest spacecraft function and reliability upgrades based on experience.

Skills

Python

Proactive mentality

Self-start

Education

Bachelor of Science in Electrical Engineering

Tools

Logic analyzers

Oscilloscopes

Signal generators

Electronic loads

Multimeters

Job description

Firefly Aerospace is seeking an Electrical Engineer - Spacecraft Avionics to design, develop, and test avionics systems for our spacecraft and ensure proper integration with software, mechanical, propulsion, fluids, and structures teams.

You will develop schedules, system‑level test plans, and support launch day and on‑orbit operations, with emphasis on hands‑on electrical engineering in both analog and digital domains and collaboration across disciplines.