Propulsion Design Engineer

Dimensions IT Services; Addison (TX); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

100% employer-paid medical premiums

Flexible work schedule

Professional growth opportunities

Job summary

Dimensions IT Services, located in Addison, TX, is seeking a Senior Design Engineer with a strong background in mechanical design and missile systems. In this full-time position, you will support the development of munitions and work closely with various engineering teams to ensure compliance with safety regulations and project specifications.

The ideal candidate will possess a Bachelor’s degree in aerospace or mechanical engineering and over 5 years of relevant design experience. Competitive benefits include health insurance, flexible schedules, and opportunities for professional growth.

Qualifications

• 5+ years of professional experience in mechanical design.
• Experience with missile and/or solid rocket motor design.
• Proficiency with Microsoft Office products.

Responsibilities

• Lead and mentor other engineers in design and development.
• Create and modify CAD models and drawings.
• Collaborate with teams on design iterations.

Skills

Mechanical design

CREO

GD&T

Project management

Communication

Education

Bachelor’s degree in aerospace or mechanical engineering

Tools

Windchill

SOLIDWORKS

NX

CATIA

Job description

Firehawk Aerospace is a leading propulsion-focused aerospace and defense company located in Addison, TX. Our innovative approach empowers us to design and manufacture cutting‑edge solid and hybrid rocket motors and engines, pushing the boundaries of propulsion technology for both commercial and defense sectors.

This role is full‑time, located at our Addison, TX facilities with occasional travel of up to 10%.

Senior Design Engineer

The Senior Design Engineer will support the design and development of munitions, reporting directly to the Design Manager. The position supports all organization areas—Design, Testing, Manufacturing—and requires strong team communication and the ability to work with limited supervision. The ideal candidate is a subject‑matter expert or recognized technical lead in missile and/or solid rocket motor design, development, and manufacturing.

Responsibilities

• Lead and mentor other engineers in the design and development of solid/hybrid rocket systems.
• Create and modify CAD models and associated drawings.
• Support the design, development, and production of rocket engines/motors.
• Collaborate with analysis, fluids, manufacturing, and testing teams to iterate designs.
• Make project decisions based on technical merit, cost, and schedule metrics.
• Analyze and interpret test data to improve and qualify propulsion systems against customer specifications and/or research objectives.
• Collaborate with other engineers and project managers to meet project goals.
• Ensure all propulsion systems and processes comply with governmental regulations and safety standards.

Basic Qualifications

• Bachelor’s degree in aerospace engineering, mechanical engineering, or a related field.
• Experience with missile and/or solid rocket motor design.
• 5+ years of professional experience in mechanical design.
• 5+ years of experience with CREO (preferred), SOLIDWORKS, NX, or CATIA.
• Proficiency with GD&T, tolerance analysis, and design for manufacturability.
• Experience with PLM software (Windchill preferred).
• Strong understanding of structural analysis and failure modes of mechanical systems.
• General understanding of manufacturing processes (welding, machining, heat treating).
• Capability to manage project efforts and solve complex problems.
• Strong work ethic and the ability to thrive in a fast‑paced R&D environment.
• Self‑motivated with strong organizational, written, and oral communication skills.
• Focus on safety, reliability, innovation, efficiency, teamwork, and maintaining professional relationships.
• Proficiency with Microsoft Office products (Word, Excel, PowerPoint, OneNote).
• U.S. citizenship.
• Ability to lift 25 pounds and work on test/flight hardware.
• Must be willing to travel as required.

Preferred Qualifications

• Bachelor’s degree in aerospace engineering, mechanical engineering, or a related field.
• Professional experience in designing and testing solid rocket motors.
• 5+ years of professional experience in mechanical design and development.
• 5+ years of experience with CREO and Windchill.
• 2+ years of project management experience.
• Active or previous security clearance.

ITAR Requirements: To comply with U.S. Government space technology export regulations, including 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.

Work Environment and Physical Requirements: Employees must have mobility to work in a standard office setting, use standard office equipment, and maintain attention to detail. Tasks may include lifting up to 25 pounds and occasional walking, standing, climbing, crouching, or bending. Vision, hearing, and speech are required for communication. Travel by air or auto and the use of personal protective equipment may be required.

Security Clearance: May be required to obtain and maintain a U.S. Security Clearance at the appropriate level. Requires U.S. citizenship and the ability to satisfy federal government requirements for access to government information; dual citizenship may preclude eligibility.

Benefits

• Health Coverage: 100% employer‑paid medical premiums for employees and up to 75% coverage for dependents under select plans, with PPO and HDHP options. Coverage begins the first of the month following hire.
• Dental and Vision Plans: Affordable plans with extensive coverage options.
• Employee Assistance Program (EAP): Confidential services, counseling, legal consultations, and wellness coaching.
• Flexible Work Schedule: 9/80 schedule option for greater balance.
• On‑site Perks: Complimentary snacks and refreshments.
• Professional Growth: Mentorship opportunities and involvement in cutting‑edge aerospace projects.

Equal Opportunity Employer Statement: Firehawk Aerospace is an Equal Opportunity Employer; employment is governed on the basis of merit, competence, and qualifications and will not be influenced 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.