Senior Design Engineer Jobs in Missouri (NOW HIRING)

Frontier Aerospace Corporation conceptualizes, designs, proves and additively manufactures in-space and launch system rocket propulsion thrusters. From concept ideation to product development to qualification testing to customer delivery, we have a proven philosophy and the in-house resources necessary to design, build, test, and deliver reliable, high-performance liquid propellant thrusters for our nation's critical in-space, commercial, civilian, and defense applications. Whether they are used for attitude control, orbit transfer, lunar and exo-moon landing, deep-space missions, or high-thrust divert systems, Frontier's thrusters meet the most demanding requirements.

Our customers are hungry for a propulsion supplier who can reliably meet their requirements and who is responsive to their needs. Frontier's mission is to do just that, by advancing breakthrough propulsion technologies and providing industry-leading customer responsiveness. Ultimately, it's our fantastic team of dedicated professionals and hard-working tradespeople who make this a reality. As a small, but rapidly growing company, there are many opportunities for our team members to grow and take on new and exciting responsibilities - to be more than just another worker. Come make a difference and share in our success!

Come join our growing team and make a difference every day by helping us continue to build our reputation for quality, responsiveness, and expertise in handling complex products. At Frontier Aerospace, the Senior Design Engineer is a key technical leadership role. Individuals in this position are responsible for directing, reviewing, and validating engineering solutions to ensure design intent aligns with customer requirements, functional objectives, program goals, and business needs.

Successful candidates will demonstrate strong leadership qualities, possess a deep understanding of engineering best practices, and lead by example. They are effective communicators who can clearly present complex technical information to audiences of all levels, from subject matter experts to non-technical stakeholders. They are committed to continuous learning and understand how their contributions support the organization's strategic objectives and long-term success.

Senior Design Engineers proactively identify opportunities for improvement and work collaboratively with cross-functional stakeholders to implement meaningful organizational change. They drive technical excellence, foster innovation, and help advance both engineering capabilities and business performance.

• Guide the generation of and produce production fidelity detailed component drawings that meet functional and manufacturability, and customer requirements.


• Apply advanced principles mechanics, thermodynamics, fluid dynamics to components and subsystems to create functional and reliable products that operate safely.


• Direct the creation of, and create engineering drawings and specifications for components, assemblies, and systems.


• Ensures adherence to industry standards, process and best practices through checking of engineering drawings, models, and specifications.


• Interface with vendors and customers to address and resolve technical challenges internally and externally.

• Disposition non-conformances, and Material Reviews, by providing sound engineering rationale, performing root cause analyses, and appropriately evaluating technical/schedule/cost risks.

• Direct and perform technical support for production and development through engineering change orders to make design changes that improve producibility and reliability.


• Verify that product definition is fully defined, appropriately dimensioned, technically sound, producible, conforms to internal and external requirements, and has been evaluated for cost savings opportunities.


• Work collaboratively with all disciplines to direct the generation of, and present conceptual design, preliminary design, and critical design packages.


• Serves as mentor for Design Engineers in areas including; engineering, communication, leadership, and professionalism.


• Additional responsibilities may be assigned as needed to support critical business objectives and meet operational deadlines. These duties may include hardware assembly, validation and qualification testing, engineering planning, hardware kitting, courier activities, and other related tasks. The successful candidate will demonstrate flexibility and a willingness to contribute across multiple functions to help ensure program success and organizational effectiveness.

• Bachelor’s degree in engineering or aerospace with 4+ years of professional 3D CAD design experience (Creo Parametric and Windchill PLM preferred).


• Or master’s degree with 2+ years of professional 3D CAD design experience (Creo Parametric and Windchill PLM preferred).


• Working knowledge of aerospace material, treatments, and processes.


• Deep knowledge of aerospace material, treatments, and processes.


• Ability to design parts, tooling, and test fixtures necessary to build rocket engine hardware.


• Ability to effectively direct the design of parts, tooling, and test fixtures necessary to build rocket engine hardware.


• Ability to effectively direct the design of components, assemblies, tooling, fixturing, and aids necessary to build propulsion products, propulsion systems, and supporting equipment.


• Deep knowledge and familiarity with all aspects of GD&T implementation and analysis (ASME Y14.5).

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.

The responsibilities described on this document are not a comprehensive list and additional tasks may be assigned to the employee. The scope of the job may also change as necessitated by business demands.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Frontier Aerospace participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program at www.e-verify.gov.

Pay: Annual Salary $110,000 - $160,000 DOE

Note about pay range: Pay range for this job level is a general guideline for California and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Employment Type and Exempt Status: Full-time / Exempt

Employement Location: Thousand Oaks – In office

Job Schedule: 9/80: Employees work 9 out of every 12 days – totaling 80 hours worked – and have every other Friday off

• 10-12 company paid holidays


• Vacation days and Sick days


• 401(k) w/company matching


• Medical


• Dental, Vision, Life


• Health savings account or Flexible spending account