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)
Hatch: Global engineering and project management services firm.
8+ YOEBachelor’s degree in structural or civil engineering, 8+ years designing port or marine structures, and PE license or ability to obtain one. Requires US codes expertise, project collaboration, communication, and Microsoft Office, SAP2000, OPTIMOOR proficiency.
Microsoft Office, SAP2000, OPTIMOOR, AutoCAD, Staad Pro, MATLAB, Python, Abaqus
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