Avionics Mechanical Engineer II

Firefly Aerospace, Inc.; Austin, Northern (TX, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Firefly Aerospace, Inc. is seeking an experienced Avionics Mechanical Engineer in Austin, TX to design electronics packaging and mechanical assemblies for launch vehicles and spacecraft.

You will deliver ruggedized enclosures, component layouts, and test fixtures while collaborating with the avionics and mechanical teams. The ideal candidate has a BS in mechanical or aerospace engineering, 3+ years in CAD (NX) and ANSYS, and hands-on experience with PCB enclosure design, EMI/EMC, and thermal

Qualifications

• Bachelor of Science in mechanical engineering, aerospace engineering, or related field.
• 3+ years of engineering experience designing electronics packaging and electro‑mechanical assemblies.
• 3+ years of 3D CAD design and drafting experience.
• Hands on experience with design and integration of electronics packaging.
• Proficiency with NX or similar CAD software and analysis tools such as ANSYS.
• Experience with multi‑layer PCBA enclosure design.
• Experience with EMI/EMC mitigation, thermal design considerations.
• Understanding of launch vehicle subsystems and avionics interfaces.
• Experience with CNC machining and sheet metal production.

Responsibilities

• Design ruggedized electronics packaging for PCB assemblies used for launch vehicle and spacecraft applications.
• Design electro‑mechanical assemblies for thermal and dynamic environments, EMI/EMC compatibility, and radiation resistance.
• Perform thermal analyses (steady state thermal and thermal cycling) of electronics in aerospace environments.
• Perform modal and vibration analyses of electronic assemblies with mechanical/structural components.
• In addition to electronics packaging, candidate will be responsible for design of test fixturing and ground support hardware for launch vehicle and spacecraft electronics.
• Support vibration, shock, and thermal test campaigns of products designed.
• Candidate will be responsible for development of CAD designs, part drawings, assembly drawings, and technical documentation including presentations and reports.
• Work with the PCB design team to specify mounting strategies, mechanical keep outs, hole size and spacing, PCB copper weights, connector type and placement, and thermal interfaces to the PCB assembly.

Skills

Electronics packaging

3D CAD

NX CAD

ANSYS

Education

BS in mechanical engineering or aerospace engineering

Tools

NX

ANSYS

Job description

Firefly Aerospace, Inc. is seeking an experienced Avionics Mechanical Engineer in Austin, TX to design electronics packaging and mechanical assemblies for launch vehicles and spacecraft.

You will deliver ruggedized enclosures, component layouts, and test fixtures while collaborating with the avionics and mechanical teams. The ideal candidate has a BS in mechanical or aerospace engineering, 3+ years in CAD (NX) and ANSYS, and hands-on experience with PCB enclosure design, EMI/EMC, and thermal