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32 propulsion engineer jobs at 19 companies in Frederick, MD

1mo
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Propulsion Engineer II
Rockville, Maryland, United States
$110k-$160k/yr OnsiteFull Time
Quantum Space
Quantum Space: Developing maneuverable spacecraft platforms for defense and commercial missions.
3+ YOEBachelor's/Master's/PhD in aerospace, mechanical, or related engineering; 3+ years developing propulsion systems/tanks/pumps; experience with design, analysis, fabrication, testing, integration; ability to drive technical work independently.
CFD, FEA, CNC
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3w
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Propulsion Engineer
San Francisco or Washington or Maine
OnsiteFull Time
Poseidon Aerospace
Poseidon Aerospace: A building and operating autonomous cargo aircraft to reduce air freight cost and reach remote locations.
Hands-on engine assembly, calibration, tuning, and test-stand validation of EFI piston engines; experience with ECUs, DAQ, propeller governors, fault diagnosis, and procedure development.
ECU, DAQ, EFI
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1w
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Propulsion Design Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Lynk Global
Lynk Global: Enables direct satellite-to-phone connectivity for standard mobile devices.
5+ YOEBS/MS in aerospace/mechanical/applied physics,5+ years electric propulsion experience,hands-on prototyping,CAD and simulation skills,good communication and independent/team work ability.
FEMM, Solidworks, Thermal Desktop, Autodesk CFD
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3mo
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DARPA Spacecraft Propulsion Engineer SETA
Arlington, Virginia, United States
$175k-$195k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
7+ YOEBachelor's in engineering with 7+ years propulsion design, TS/SCI clearance, and leadership能力; able to work independently in a team.
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Journeyman Marine Propulsion Engineer
McLean, Virginia, United States
$90k-$100k/yr RemoteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
3+ YOEBachelor’s degree in Engineering; 3+ years marine propulsion experience; ability to obtain secret clearance; experience with GE LM2500 or MTU engines/generators; US work authorization.
GE LM2500, MTU Engines/Generators
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Senior Propulsion Development Engineer, Ground Fluids
El Segundo or Washington or Huntsville
$140k-$232k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEB.S. in aerospace/mechanical engineering or equivalent, 3+ years propulsion fluid systems experience, proficiency with Piping and Instrumentation Diagrams, CAD and PLM, hands‑on fluid hardware and test/operations experience, and ability to author procedures.
Piping and Instrumentation Diagrams (P&IDs), CAD, PLM
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3w
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Marine Propulsion Controls Engineer - Washington, D.C.
Washington Navy Yard or Alexandria or Arlington or Washington or District of Columbia or Anacostia Annex
OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
5+ YOEUS citizen able to obtain Secret clearance, BS (ABET) in engineering, 5+ years automation/controls experience in shipbuilding or related field, 1+ year configuring sensors/actuators/drives, PLC/SCADA/HMI experience, C/C++/MATLAB/Simulink proficiency, Microsoft Office.
PLCs, HMI, SCADA, MATLAB, Simulink, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, C/C++
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3w
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Aerospace Engineer (Propulsion) - Direct Hire
Washington, District of Columbia, United States
$144k-$187k/yr OnsiteFull Time
National Transportation Safety Board
National Transportation Safety Board: Investigates transportation accidents and issues safety improvement recommendations.
1+ YOEBachelor's in engineering (ABET-accredited) or equivalent combination of education/experience; 1 year specialized experience equivalent to GS-13 in propulsion-related engineering; ability to lead investigations, develop test plans, and write analytical reports.
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Marine Mechanical Engineer (Propulsion), Journeyman
Baltimore, Maryland, United States
$80k-$110k/yr OnsiteFull Time
THOR Solutions
THOR Solutions: Engineering and technical services for the maritime defense industry.
3+ YOEBachelor's in marine or mechanical engineering, 3+ years marine mechanical experience including propulsion systems, eligibility for Secret clearance, familiarity with ABS/NVR rules, and strong communication skills.
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Business Development Director, Satellite Propulsion
Chantilly or Littleton or Long Beach
OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
12+ YOELead propulsion products BD; 12+ years aerospace; Bachelor's in engineering.
CRM, MS Project, Microsoft Office
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4w
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Mechanical Engineer III
Philadelphia or Washington or California or Maine or Alabama
$80k-$120k/yr HybridContract
Sayres Defense
Sayres Defense: Provides engineering and logistics support to the U.S. Navy.
5+ YOEBachelor's in Mechanical Engineering, minimum 5 years' mechanical engineering experience, 2+ years supporting propulsion or major mechanical machinery, ability to obtain Secret clearance, experience with design, testing, and technical documentation.
CAD, AutoCAD
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6d
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Mechanical Engineer
Herndon, Virginia, United States
$98k-$171k/yr OnsiteFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
6+ YOEBachelors/Masters/PhD in engineering or equivalent experience, typically 4–6+ years experience, US citizenship, ability to obtain Top Secret clearance, satellite systems and CAD/FEA experience (Solidworks, NASTRAN, ANSYS), thermal and propulsion experience desirable.
Solidworks, NASTRAN, ANSYS, Thermal Desktop, CAD, FEA
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2mo
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Marine Mechanical Engineer
Washington, District of Columbia, United States
$110k-$120k/yr HybridFull Time
Pantheon Data
Pantheon Data: Provides professional services including IT, engineering, and program management.
6+ YOEMS in Mechanical Engineering or MS Marine Engineering with 6+ years marine systems experience; shipboard propulsion/HVAC; DHS/USCG or DoD acquisition experience; strong communication; ability to work remotely in cross-functional teams; MS Office proficiency.
Microsoft Office, SharePoint
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3mo
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Senior Instrumentation Engineer
Manassas, Virginia, United States
OnsiteFull Time
Electra
Electra: Developing hybrid-electric aircraft for sustainable regional air mobility.
8+ YOE8+ years in aerospace instrumentation and data acquisition; bachelor's in aerospace/related engineering; hands-on with DAS hardware; MATLAB/Python proficiency; familiarity with FAA/EASA certification processes; strong avionics/propulsion/structures exposure; U.S. citizenship or permanent residency.
MATLAB, Python, Data Acquisition Systems, Sensor Hardware, Signal Conditioning, Test Software
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2mo
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Sales Engineer - OEM Defense | Business Development
Washington D.C. or South Burlington
$175k-$205k/yr HybridFull Time
BETA Technologies
BETA TechnologiesNYSE: BETA: Developing electric aircraft and charging infrastructure.
10+ YOE10+ years in technical sales/business development for defense primes; engineering degree; DFARS data rights experience; strong negotiation; knowledge of electric propulsion; ability to translate customer needs into partnerships.
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2w
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Solid Rocket Motors Engineering, Principal
Arlington or Cumberland or Huntsville or Orlando or Troy
$151k-$301k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
15+ YOEBachelor's in aerospace/mechanical engineering, 15+ years SRM/propulsion experience, CAD/FEA/CFD proficiency, DoD Secret clearance ability, strong thermodynamics/structural knowledge, mentoring and testing experience.
CAD, Finite Element Analysis (FEA), Computational Fluid Dynamics (CFD), PLM
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2mo
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2026 Graduate - Missile, Reentry, and Hypersonics Systems Performance
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
0+ YOEBachelor’s or Master’s in Aerospace/Mechanical Engineering; interest in missile modeling, aerodynamics, dynamics, guidance, navigation, control, propulsion, optimization, design or test; experience with MATLAB or Python; initiative; interim secret clearance with potential to obtain Top Secret; US citizenship.
MATLAB, Python, Simulink, Git, GitLab, OTIS, POST, GPOPS, C/C++
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3mo
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Senior Manager, Ship Maintenance - MUSV
Austin or Franklin or Washington or San Diego
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
5+ YOE5+ years of hands-on commercial maritime MRO; ABS survey/drydock experience; ABS rules knowledge; hull/propulsion/electrical; contract/MSA negotiation; willingness to travel.
AMOS, HELM, ShipManager, Maximo
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1w
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Critical Chemicals Analyst
Alexandria or Arlington
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years in DoW chemical/energetics/propulsion industrial base, 3+ years acquisition support, Secret clearance required, Bachelor's in engineering or science, EM/investment evaluation experience.
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