# Propulsion Engineer II - Engine Design at Firefly Aerospace

- Company: Firefly Aerospace
- What the company does: Firefly Aerospace engages in providing economical and convenient access to space for small payloads through the design, manufacture, and operation of reliable launch vehicles. Backed by Space Capital.
- Company website: https://fireflyspace.com
- Type: Startups
- Level: Mid level
- Location: Briggs, TX
- Work setup: On-site
- Posted: 2026-10-23
- Apply by: 2026-12-07
- Apply: https://fireflyspace.wd115.myworkdayjobs.com/en-US/Firefly/job/Briggs-TX/Propulsion-Engineer-II---Engine-Design_JR100268-1?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/firefly-aerospace-propulsion-engineer-ii-engine-design/

## About the role

As a Design Engineer for Alpha Engines, you will own the CAD of the large engine assemblies, manage configuration and revision control, develop and implement proper design standards and processes, assist the team with translating the design intent of their hardware into producible, well-toleranced models and drawings, and be the team’s go-to expert for CAD and GD&T. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Own and manage the CAD models and large, multi-level assemblies for Alpha engine hardware, maintaining assembly structure, mates, and configuration integrity as the design matures
- Create, release, and review detailed manufacturing drawings with appropriate GD&T that properly communicates design intent per ASME Y14.5
- Analyze tolerance stackups across assemblies
- Establish and enforce CAD best practices, modeling standards, templates, and assembly structures that keep large assemblies robust, performant, and maintainable
- Manage configuration, revision, and change control of models, drawings, and bills of materials within the PLM system, including release workflows
- Collaborate with manufacturing, quality, and suppliers to ensure drawings are manufacturable and inspectable, and support disposition of non-conformances


Source: 1752vc Careers, https://www.1752.vc/careers/jobs/firefly-aerospace-propulsion-engineer-ii-engine-design/