Valar Atomics: Developing scalable, high-temperature, grid-independent advanced nuclear power systems.
3+ YOEBachelor's in Mechanical/Aerospace, 3+ years structural analysis of rotating components, experience with high-speed rotating equipment, and proficiency with Ansys, Nastran, and Abaqus.
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
5+ YOEBachelor’s degree in engineering and 5+ years in loads, dynamics, or structural analysis. Requires structural mechanics, vibration, FEA, and metallic/composite structures experience; ANSYS, Abaqus, or Nastran proficiency preferred.
TRL11: High-definition video technology for aerospace and defense.
5+ YOE5-10 years FEA experience for thermal (steady/transient) and structural (stress, vibration, shock) analysis; proficiency with ANSYS/Abaqus/COMSOL/Simscale; Bachelors in Engineering; ability to correlate models with test data.
JenaValve Technology: Developing transcatheter heart valve systems for aortic disease treatment.
5+ YOEBachelor's in Mechanical or Biomedical Engineering, 5+ years R&D medical device experience, 3+ years FEA and Abaqus experience, knowledge of medical device quality systems, strong documentation and communication skills.
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEBachelor's degree; 5+ years in fluid or structural systems design; mentoring/leadership experience; proficiency with FEA tools (Ansys,Abaqus,Nastran) and Siemens NX/Teamcenter; strong fluid, thermal, structural fundamentals.
Vast: Develops and operates commercial artificial-gravity space stations.
6+ YOE1+ MgmtBachelor's in engineering, 6+ years aerospace or safety-critical engineering experience, 1+ year technical leadership, loads and structural dynamics expertise, FEMAP/NASTRAN, ANSYS, or Abaqus proficiency, cross-functional collaboration skills.
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
5+ YOEB.S. in Mechanical/Aerospace Engineering,5+ years space hardware experience,proficiency with NX/Catia/SolidWorks and ANSYS/ABAQUS,materials and manufacturing knowledge,structural analysis,and strong technical communication;US export eligibility required.
Divergent: Develops digital manufacturing systems for complex vehicle structures.
4+ YOEBS/MS in Mechanical or Aerospace Engineering, 4+ years structural analysis experience, proficiency with Nastran/Optistruct/ABAQUS/LS-Dyna and Hypermesh/ANSA, nonlinear and dynamic analysis expertise, strong solid mechanics and materials knowledge.
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEBachelors in Mechanical Engineering, 5+ years structural design and analysis experience, proficiency with FEA (ANSYS, Nastran, Abaqus) and CAD (SolidWorks, CATIA, NX), materials and manufacturing knowledge, testing/validation experience, eligible for U.S. Top Secret clearance.
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
10+ YOE3+ MgmtBachelor's in Mechanical/Automotive Engineering required (advanced degree preferred); 10+ years automotive CAE with 3–5 years leadership; mastery of LS-DYNA, Abaqus/Nastran/OptiStruct; fatigue and joining expertise; pre/post-processing tool expertise.
Senior Principal Mechanical Engineer, Platform Integration
El Segundo or Los Angeles
$205k-$245k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
11+ YOEBachelor's in Mechanical Engineering, 11+ years platform-level mechanical design and integration experience for aerospace/defense, SolidWorks and FEA familiarity, military standards knowledge, and ability to obtain a U.S. security clearance.
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in engineering,1+ years hardware engineering experience,ability to develop design criteria,perform design reviews,and work long hours/weekends;experience with FEA and scripting preferred.
NASTRAN, ABAQUS, ANSYS, Visual Basic, MATLAB, Python, Microsoft Excel
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Bachelor's degree in engineering and typically 14+ years of related experience. Requires structural or stress analysis, FEA, satellite hardware, analytical tools, and ability to obtain U.S. Top Secret/SCI clearance.
Patran, Nastran, Apex, Abaqus, HyperMesh, CREO-Simulate, Common Structures Workstation, Python, MATLAB, VBA, Finite Element Analysis (FEA)
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Bachelor's degree in engineering and 14+ years of related experience required, including stress or structural analysis and FEA. U.S. citizenship and ability to obtain Top Secret/SCI clearance required.
Patran, Nastran, Apex, Abaqus, HyperMesh, CREO-Simulate, Common Structures Workstation, Python, MATLAB, VBA, Finite Element Analysis (FEA)
The Aerospace Corporation: Provides technical expertise and research for national space programs.
5+ YOEBachelor's degree in mechanical or aerospace engineering, 5+ years of structural engineering experience, finite element analysis and structural mechanics expertise, U.S. citizenship, and ability to obtain a Secret clearance.
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOEBachelor's degree in engineering and 2+ years designing and analyzing structural systems. Requires structural design, thermo-mechanical analysis, FEA, joint design, and multidisciplinary collaboration experience.
ANSYS Mechanical, Abaqus, Nastran, Finite Element Analysis (FEA), ASME Boiler & Pressure Vessel Code, AISC, ACI, AWS, NASA