Mechanical Engineer II - Spacecraft Programs
Quantum Space
Job Description Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta‑V and sustained on‑orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the Earth–Moon system. Who We’re Looking For Quantum Space is seeking a Mechanical Engineer II to contribute to the development of flight hardware across our Spacecraft Programs. This role is intended for an engineer who can independently execute well‑scoped components or subassemblies and support hardware through build, integration, and test. You will begin taking ownership of design deliverables while collaborating closely with AIT, manufacturing, and senior engineers. Where You’ll Make an Impact Own design of components and subassemblies from requirements through release Develop CAD and drawings in Creo; apply GD&T with increasing independence Drive interface definition: mounting features, tolerances, datums, and packaging constraints Perform basic structural and thermal analysis (hand calculations and FEA support) Support hardware integration: troubleshoot issues, propose fixes, and implement design updates Contribute to verification planning and execution: fit checks, functional validation, and test support Participate in design reviews (PDR/CDR) with clear technical communication Coordinate with suppliers: review drawings, clarify requirements, and support part acceptance What It Takes BS or MS in Mechanical Engineering or related field 2–5 years of relevant experience with hardware development Proficiency in Creo (or similar CAD) and experience releasing drawings Working knowledge of GD&T (ASME Y14.5) Experience supporting hardware through build/test cycles Strong problem‑solving and troubleshooting ability Work location within the DMV area Nice-to-Have Experience Experience with FEA tools (ANSYS, Nastran, etc.) Exposure to spacecraft or aerospace systems Familiarity with PLM systems (Windchill or similar) Experience working with suppliers and manufacturing teams What You’ll Get Ownership – Real contribution to flight hardware early in your career Mentorship – Direct learning from experienced spacecraft engineers Growth – Clear path to subsystem ownership Compensation – Competitive salary, equity, and comprehensive benefits Additional Requirements To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations. #J-18808-Ljbffr Quantum Space
$75k - $125k
...autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit... ...Looking For Quantum Space is seeking a Mechanical Engineer I to support the development of flight hardware for our Spacecraft Programs. This role is designed for an early-...SuggestedPermanent employmentInternship- A leading aerospace company located in Rockville, Maryland, seeks a Mechanical Engineer II to drive the design of components and subassemblies for flight hardware. The ideal candidate will have a BS or MS in Mechanical Engineering and 2-5 years of experience. Proficiency...Suggested
$90k - $150k
Overview Join a Team Where Engineering Excellence Drives Opportunity At Affiliated Engineers... ...helps shape a brighter future. As a Mechanical Engineer II in our Washington, D.C. office, you... ...operation for engineering design programs (i.e. Revit MEP, AutoCAD, Navisworks)...SuggestedWork at officeFlexible hours$90k - $150k
Join Affiliated Engineers, Inc. as a Mechanical Engineer II in Rockville, Maryland, where you’ll develop energy-efficient building solutions and design HVAC systems for technically sophisticated facilities. With a strong focus on collaboration and innovation, you’ll benefit...SuggestedFlexible hours$76.09k - $126.82k
...position coordinates with system engineers to identify required testing, plans necessary test programs, and oversees the entire test... ...Qualifications Bachelor’s degree in mechanical, electrical, or nuclear... ...related accredited field. Level II: Typically two years of experience...SuggestedWork at office- X-Energy, LLC is seeking a Test Engineer to oversee testing activities for advanced reactor technologies. This role involves planning, developing, and executing test programs while coordinating with engineers to ensure all requirements are met. Ideal candidates will have...Work at office
$125k - $200k
...space through highly maneuverable, long-duration spacecraft. We are seeking a Lead Spacecraft Mechanical Engineer to own the design, integration, and verification... ...propulsion build effort for our Ranger spacecraft programs. Where You’ll Make an Impact Lead mechanical design...Permanent employment$95k - $115k
...This role is responsible for performing engineering tasks associated with selecting, qualifying... ...assist in oversight of materials testing programs to collect material properties and... ...other duties as assigned by manager. Level II Tasks/Responsibilities Support team members...Work at office$100k - $153k
...responsive launch services, complete spacecraft design and manufacturing, payloads,... ...ambitious space missions. SENIOR MECHANICAL ENGINEER SENIOR I/II As a Mechanical Engineer at Rocket... ...discounted employee stock purchase program, flex schedule, free breakfast and lunch...Permanent employmentLocal areaFlexible hours- X-energy LLC is seeking a Plant & Process Design Engineer to support its Reactors team in Rockville, Maryland. This role involves designing mechanical systems, performing process calculations, and ensuring compliance with all technical specifications. The ideal candidate...
$125.4k - $198.2k
...LLC is hiring a Plant & Process Design Engineer to support its Reactors team. This role... ...responsible for designing and developing mechanical systems and components. It includes identifying... ...meet all technical specifications and program/project requirements. Additionally, this...Full timeContract workFor subcontractorWork at office$125k - $175k
...Spacecraft Structural Engineer- Level 3 Rockville, MD Who We're Looking For Quantum Space is... ...structural systems across multiple flight programs. In this role, you will be... ...Integration Collaborate closely with mechanical, propulsion, avionics, GNC, and...Permanent employment$84.49k - $107.72k
Overview Bowman has an opportunity for a Civil Engineer II to join our team in Rockville, MD. At Bowman, we believe in creating opportunities... ...and other performance-based incentives Employee Assistance Program (EAP), wellness initiatives, and employee discounts...Contract workFor subcontractorWork at officeRemote work$140k - $200k
...Senior Spacecraft Thermal Engineer Quantum Space is redefining mobility and autonomy in cislunar and... ...phases. Collaborate closely with mechanical, electrical, and systems engineering... ...efficiency and repeatability of future programs. Generate simplified models,...Permanent employment$115k - $140k
...Description: MaxCyte is seeking a Senior Mechanical Engineer I/II to develop innovative single-use fluid control assemblies and supporting instrumentation for next-generation life sciences technologies. In this role, you will define and lead the mechanical design...$91.28k - $152.13k
...analysis with contractor coordination and engineering team management. The individual will... ...across multidisciplinary engineering teams (mechanical, civil, CAD). Tasks / Responsibilities... ...reports and performance dashboards to program/project leadership, clearly...Contract workFor contractorsFor subcontractorWork at officeMonday to Friday$75k - $125k
Quantum Space in Rockville, MD is looking for a Mechanical Engineer I to support flight hardware development. This is an excellent opportunity for early-career engineers to build strong fundamentals and contribute to real hardware. Responsibilities include creating CAD...- Position Title: Scientific Program Manager Department: Veritas Management Group Location: Rockville, Maryland (NCATS - NIH Campus... ...initiatives, and strategic research activities involving mechanical engineering and laboratory operations. The Program Manager...Full timeContract workWork at officeRemote workVisa sponsorshipMonday to Friday
- ...Summary: A successful Controls Sales Engineer at Critical Systemswill identify and provide... ...knowledge of local utility incentive programs and leverage rebates to enhance project... ...Qualifications: Bachelors degree in Mechanical or Electrical Engineering, or a related...Contract workFor contractorsWork at officeLocal area
- ...HVAC-R Technician I-II, Dept. of Facility Maintenance Under general supervision,... ...concepts, and methods of electrical and mechanical components of systems. Knowledge of, or ability... ...apprentice level HVAC-R training program, plus four years of progressive experience...ApprenticeshipLocal area
$115k - $140k
Job Title: Senior Mechanical Engineer II Location: Gaithersburg, MD (Onsite) Hours/Schedule: Monday - Friday, Standard Business Hours Compensation: $115,000 - $140,000 + bonus eligibility Type: Direct Hire Overview A growing life sciences and bioprocessing organization...Monday to Friday$125k - $200k
Quantum Space in Rockville, Maryland, seeks a Lead Spacecraft Mechanical Engineer to manage design, integration, and verification of spacecraft mechanical systems. Responsibilities include leading design activities, hiring engineers, and overseeing structural design. Required...- ...rewarding workplace! Why we need you: The Maintenance Technician II is responsible for efficiently performing all necessary... ...Supervisor with directing and managing the overall maintenance programs of the apartment community. What Highmark can do for YOU:...Full timeTemporary workFlexible hours
- System One is looking for a Senior Mechanical Engineer II in Gaithersburg, MD. This hands-on role supports the design and development of mechanical systems in GMP manufacturing. Candidates should have extensive experience in mechanical design, particularly in regulated...
$59.1k - $87.9k
...Mechanic II, HVAC Position Summary: Preform maintenance and repair activities on all building HVAC infrastructure and supporting equipment... ..., and paid parental leave, along with an employee assistance program. Additional voluntary perks include a fitness club membership...Temporary workFor contractorsWork at officeFlexible hours$26.19 - $34.04 per hour
...HVAC Mechanic II Positions Montgomery College is seeking to fill two full-time HVAC Mechanic II positions. Both positions are located... ...valve actuators and/or variable frequency drives. Perform program maintenance work and routine checkups to ensure the DDC system...Hourly payFull timeContract workPart timeFor contractorsWork at officeLocal area$108.62k - $119.48k
...RADA is seeking a Manufacturing Engineer to join our growing UAV... ...Job Responsibilities Part II Qualifications ~ Bachelor's degree in Aerospace, Mechanical, Electrical, Manufacturing or... ...savings plan. We champion wellness programs that focus on physical, emotional...Contract workWork experience placementLocal areaFlexible hours- X-Energy, LLC, based in Rockville, MD, seeks an engineer to perform tasks related to selecting materials for nuclear reactor applications. Responsibilities include developing methodologies for characterizing materials, conducting lifetime assessments, and preparing technical...
$83.55k - $119.48k
Quality Engineer II Location: Germantown, MD, US, 20876 Job ID: 114413 DRS RADA Technologies... ...maintain the RADA USA supplier quality program and system. Translate customer,... ...may include: Electrical Engineering Mechanical Engineering Software Engineering Laser...Contract workWork experience placementLocal areaFlexible hours$77.7k - $129.5k
HVAC Mechanical Design Engineer X-energy LLC is hiring an HVAC Mechanical Design Engineer to support a Plant and Process Design team. The role includes designing and developing mechanical systems and components, ensuring compliance with technical specifications, and overseeing...Monday to Friday
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