Source Job

US Unlimited PTO

  • Support design, analysis, manufacturing, and testing of propulsion piece parts and assemblies.
  • Generate CAD models of components and engine systems and perform fluid network modeling and analysis.
  • Develop and execute test plans, analyze results, and work with multidisciplinary teams.

Aerospace Engineering CAD Systems Engineering

15 jobs similar to Principal Propulsion Engineer

Jobs ranked by similarity.

US

  • Develop system requirements based on inputs from internal teams and external customers, ensuring compliance with regulatory standards.
  • Create and maintain SysML models using MBSE methodologies and tools like Cameo, supporting system development from concept through verification.
  • Lead compliance with ARP4754B and support system safety reviews per ARP4761A, driving successful technical program gates.

SkyGrid builds ground-based high-assurance third-party services to enable safe operations and airspace integration of highly automated and autonomous aircraft. As a Wisk company, SkyGrid focuses on advanced air mobility, integrating data and infrastructure to support efficient air traffic services.

$149,000–$218,000/yr
US Unlimited PTO

  • Possess expertise in advanced ceramic properties, insulator material characterization, and advanced metal types.
  • Lead evaluation, selection, and qualification of materials for extreme environments.
  • Author and contribute to compliance documentation and failure analysis reports.

We are an innovative defense, national security, and space technology company delivering mission-critical solutions. We are a company of doers, thinkers, and builders united by purpose and grounded in reality.

  • Coach students on aerospace systems design, propulsion, aerodynamics, flight mechanics, avionics, spacecraft engineering, and manufacturing.
  • Support career development through resume/cover letter review, LinkedIn optimization, and behavioral/technical interview preparation.
  • Guide students on networking strategy and salary negotiation to land roles in the aerospace industry.

Leland is building the home for ambition in the age of AI, connecting people with experts, programs, and communities to achieve career and educational goals. Founded in 2021, they have helped tens of thousands of people and raised $19M from world-class investors.

US

  • Serve as a senior technical authority and strategic integrator for high-complexity defense and aerospace programs.
  • Define and guide system architecture, integration, and verification strategies aligned with customer and mission objectives.
  • Oversee engineering execution across multiple Integrated Product Teams and major subcontractors, ensuring technical, cost, and schedule compliance.

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. They are a company of doers, thinkers and builders, united by purpose and grounded in reality.

EMEA

  • Partner with Business Development to shape strategic opportunities across government, defense, and commercial markets.
  • Lead technical discovery, develop solution approaches, and support proposals and demonstrations.
  • Build trusted relationships and collaborate cross-functionally to influence product strategy.

LeoLabs builds the living map of activity in space using a proprietary radar network and AI platform, collecting millions of measurements daily on over 25,000 objects. They are a trusted partner for Space Domain Awareness and Space Traffic Management, with a culture focused on redefining global security and transparency.

$194,000–$230,000/yr
US 3w PTO

  • Lead the conceptualization, design, and development of missions from early formulation through on-orbit operations, serving as the ultimate technical authority.
  • Own the translation of customer objectives into clear technical requirements, manage system modeling, and drive cross-functional trades and decisions.
  • Serve as the primary technical interface with customers and internal teams, ensuring mission success and continuous improvement of engineering processes.

Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. The company is a lean and agile team dedicated to Earth Intelligence for a safer and more resilient world.

$160,000–$185,000/yr
US Unlimited PTO

  • Develop new concepts and designs for lunar landers, rovers, and spacecraft.
  • Perform thermal design and analysis for all mission concepts and next-generation thermal systems.
  • Lead trade studies and translate abstract customer requirements into actionable product goals and architectures.

Voyager Technologies is an innovative space, defense, and national security technology company delivering transformative mission-critical solutions. It fosters a culture of doers, thinkers, and builders, united by purpose and grounded in reality, with a highly talented team in a mission-driven environment.

$153,615–$199,400/yr
US Unlimited PTO

  • Acts as a senior technical leader defining, integrating, and validating complex defense systems with team mentorship.
  • Oversees system requirements, architecture, verification, and risk management across program tiers.
  • Provides MBSE leadership with SysML modeling, coordinates reviews, and liaises with customers and suppliers.

Voyager is a defense, national security and space technology company delivering mission-critical solutions for complex challenges. They foster a culture of innovation, curiosity, and impact, with a team of doers, thinkers, and builders united by purpose.

Global

  • Deliver realistic CAD models using SolidWorks or FreeCAD.
  • Walk us through standard engineering change workflows.
  • Document steps to update and approve design modifications.

We are building the world's largest pool of vetted human experts for AI. Researchers, AI labs, and product teams use Terac to recruit, screen, and pay study participants across industries, languages, and skill sets.

US

  • Lead radar systems engineering across the lifecycle, from requirements development to operational support.
  • Collaborate with cross-functional teams to integrate and deploy advanced radar capabilities.
  • Mentor junior engineers and support government customers with technical expertise and briefings.

LeoLabs builds a living map of orbital activity using a global radar network and AI-enabled analytics, monitoring over 25,000 objects in low Earth orbit. As a trusted partner for space domain awareness and satellite operations, the company serves top-tier space operators and defense organizations in a mission-driven, cross-functional culture.

US

  • Lead design and integration of nuclear fuel handling systems for advanced reactor projects.
  • Collaborate with multidisciplinary teams to ensure designs meet technical, regulatory, and performance requirements.
  • Manage system design documentation including P&IDs, 3D models, and engineering specifications.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. The company uses technology to streamline recruitment, focusing on objective application reviews.

US

  • Provide senior technical leadership across reactor system design, integration, analysis, testing, and deployment for advanced reactor technology.
  • Establish long-term technical vision, engineering strategy, and architectural direction for reactor systems to meet safety, performance, and deployment objectives.
  • Serve as a trusted technical advisor to executive leadership, resolving complex technical challenges and influencing commercialization decisions.

Kairos Power is a nuclear energy technology company focused on commercializing fluoride-salt-cooled, high-temperature reactors to enable the global transition to clean energy. The company is a new venture with a mission-driven culture emphasizing safety, technical excellence, and efficient execution.

US

  • Design and architect ESAD/ESAF fuzing systems compliant with MIL-STD-1316 and MIL-STD-1911.
  • Perform environmental testing and qualification of fuzing systems per JOTP, MIL-STD-331, and MIL-STD-810.
  • Decompose fuze system-level requirements and manage RVTM.

General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions for customers across all domains of operation. They have a global team of 12,000+ top professionals and value trust, honesty, alignment, and transparency.

US

  • Collaborate directly with customer organizations to assess, design, and implement digital engineering solutions.
  • Provide training, guidance, and best-practice recommendations to enhance customer digital engineering capabilities.
  • Develop, test, and maintain software solutions that integrate with digital engineering workflows.

Istari Digital builds next-generation tools for digital engineering, supporting mission-critical work in aerospace, defense, and beyond. They are a remote-first company with a thoughtful, fast-moving team that values autonomy, engineering craft, and product intuition.

US

  • Manage assigned projects to meet customer expectations, firm goals, and quality standards.
  • Develop project scopes, proposals, budgets, schedules, and risk management plans.
  • Lead project teams, communicate with stakeholders, and ensure successful project closeout.

BRPH is a technically focused architecture, engineering, and construction company with over six decades of experience serving mission-driven clients in aerospace, defense, and other sectors. Consistently ranked among the nation’s top firms, BRPH prides itself on solving complex challenges with forward-thinking solutions.