Mechanical Engineer II

Firefly Aerospace; Cedar Park (TX); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health, dental and vision plans

Parental leave

Relocation benefits

Educational reimbursement

Short term disability

Flexible PTO options

Job summary

Firefly Aerospace in Cedar Park, Texas is seeking a Mechanical/Avionics Engineer to design ruggedized electronics packaging and electro‑mechanical assemblies for launch vehicles and spacecraft. You will perform thermal analyses, modal and vibration analyses, and develop CAD designs, part drawings, and documentation.

You will collaborate with PCB design teams, support test campaigns, and contribute to environmental testing.

Qualifications

• BS in mechanical or aerospace engineering or related field.
• 3+ years designing electronics packaging and electro‑mechanical assemblies.
• 3+ years of 3D CAD design and drafting experience.

Responsibilities

• Design ruggedized electronics packaging and structural components for PCB assemblies for launch vehicles and spacecraft.
• Design electro‑mechanical assemblies for thermal, dynamic environments, EMI/EMC, and radiation resistance.
• Perform thermal analyses (steady state and cycling) for electronics in aerospace settings.
• Perform modal and vibration analyses of electronic assemblies with mechanical components.
• Develop CAD designs, part drawings, assembly drawings, and technical documentation.
• Collaborate with PCB design team to specify mounting strategies, keep outs, hole sizes, and thermal interfaces.

Skills

Electronics packaging design

3D CAD design

Education

Bachelor of Science in mechanical engineering or aerospace engineering

Tools

NX

ANSYS

Job description

About Firefly Aerospace

Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space – anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

Summary

Firefly Avionics Mechanical Engineers will leverage their creative design and experience to develop electronics enclosures, mechanical components, integration hardware, tooling, and test fixtures for launch vehicles. Qualified candidates will be responsible for design, analysis, hands‑on build/integration, and support of environmental testing. You will be part of the avionics team and will work closely and collaborate with all other teams across the company.

Responsibilities

• Design ruggedized electronics packaging and structural components 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

Qualifications

Required

• Bachelor of Science in mechanical engineering, aerospace engineering, or related field
• 3+ years of engineering experience designing electronics packaging and electro‑mechanical assemblies via internships, professional industry experience, or academia
• 3+ years of 3D CAD design and drafting experience

Desired

• 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 various design features and calculations for mechanical packaging of electronics including vent analyses, EMI/EMC mitigation strategies, multi‑component tolerance stack‑up calculations, bolt load calculations, Steinberg PCB solder joint fatigue, etc.
• Understanding of basic subsystems of a launch vehicle and how avionics integrate within the vehicle and interface with instrumentation
• Experience designing for CNC machining and sheet metal production, as well as selecting appropriate materials and finishing processes
• Experience with environmental analysis and test including thermal cycle, thermal vacuum, shock, and vibration
• Understanding and knowledge of GD&T

Benefits

• Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, relocation benefits, educational reimbursement, short term disability, and flexible PTO options.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.