Propulsion CAD Engineer II — Alpha Engines

Firefly Aerospace; United States; On-site; USD 95,000 - 140,000; Full time

Benefits offered by this job

Health benefits, dental and vision

Parental leave

Relocation assistance

Educational reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace, headquartered in Austin, TX, is seeking a Design Engineer for the Alpha Engines team. You will own CAD models and multi-level assemblies, develop manufacturable drawings, and drive tolerance analyses while enforcing robust design standards.

The role demands NX expertise, GD&T mastery, and strong collaboration with manufacturing, quality, and suppliers to reduce part count and lead time. US citizen/ITAR considerations apply.

Qualifications

• B.S. in Mechanical, Aerospace, or related engineering.
• 1–3 years of mechanical hardware design experience.
• Expert with 3D CAD and large assemblies (Siemens NX preferred).
• Strong GD&T, ASME Y14.5, and manufacturable drawings ability.
• Experience with PLM and configuration management (Teamcenter preferred).
• Tolerance stackups and fit/clearance analysis experience.
• Knowledge of manufacturing and inspection methods; DFx mindset.
• Excellent problem-solving, communication, and technical writing.

Responsibilities

• Own CAD models and large assemblies for Alpha engine hardware.
• Create, release, and review manufacturing drawings with GD&T per ASME Y14.5.
• Analyze tolerance stackups across assemblies.
• Enforce CAD standards, templates, and assembly structures.
• Manage configuration, revision, and change control in the PLM system.
• Collaborate with manufacturing, quality, and suppliers.
• Support design reviews with up-to-date model and drawing deliverables.
• Lead design concepts to reduce part count, cost, and lead time.
• Provide hands-on CAD and GD&T support to the team.

Skills

3D CAD

GD&T

Engineering problem-solving

Cross-functional collaboration

Technical writing

Self-starter

Education

B.S. in Mechanical/Aerospace Engineering

Advanced degree (preferred)

Tools

Siemens NX

Teamcenter

PLM systems

NX Open scripting (Python)

Job description

Firefly Aerospace, headquartered in Austin, TX, is seeking a Design Engineer for the Alpha Engines team. You will own CAD models and multi-level assemblies, develop manufacturable drawings, and drive tolerance analyses while enforcing robust design standards.

The role demands NX expertise, GD&T mastery, and strong collaboration with manufacturing, quality, and suppliers to reduce part count and lead time. US citizen/ITAR considerations apply.