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10 supplier development engineer jobs found in Rockville, MD

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Rockville supplier development engineer Maryland
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QS
Sep 08, 2026
Full time
Reliability Engineer
$120,000 - $180,000 yearly
Quantum Space Rockville, MD
Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a Reliability Engineer to ensure the reliability, safety, and mission assurance of our next-generation spacecraft and supporting systems. In this role, you will perform reliability analyses, influence system architecture and hardware design, support environmental testing and failure investigations, and help establish the processes that ensure mission success throughout the product lifecycle. The ideal candidate thrives in a fast-paced environment, enjoys solving complex technical challenges, and is passionate about building next-generation space systems that support mission success. Where You'll Make an Impact Perform functional and interface Failure Mode, Effects, and Criticality...
Xe
Apr 16, 2026
Full time
Lead, Mechanical Engineering (Reactor Pressure Vessel)
$127,500 - $212,500 yearly
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description X-energy is seeking an experienced Design Lead for our Reactor Pressure Vessel (RPV) team to lead the design, analysis, and qualification of pressure boundary components for our Xe-100 small modular reactor. This role will be responsible for ensuring RPV designs meet all regulatory, safety, and performance requirements while leading a team of engineers through the design and licensing process. This position provides management support and technical leadership to the group performing a subdiscipline of mechanical...
Xe
Sep 10, 2026
Full time
Mechanical Design Engineer (Steam Generator)
$130,950 - $218,250 yearly
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description Our Mechanical Design Engineer (Steam Generator) is responsible for the engineering design and development of mechanical systems, structures, and components. This includes concept development, evaluation of concepts, analysis of systems, structures, and components for their ability to perform their intended function, and ensuring they meet all technical specifications and requirements. The role will ensure the development of the systems and components through production including any necessary prototyping, testing, and...
Xe
Sep 08, 2026
Full time
Engineer III, Nuclear Packaging
$122,500 - $138,750 yearly
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description This role is responsible for the engineering design and development of mechanical systems, structures, and components. This includes concept development, evaluation of concepts, analysis of systems, structures, and components for their ability to perform their intended function, and ensuring they meet all technical specifications and requirements. The role will ensure the development of the systems and components through production including any necessary prototyping, testing, and commissioning. Job Responsibilities...
QS
Aug 05, 2026
Full time
Electrical Engineer II - Advanced Programs
$100,000 - $125,000 yearly
Quantum Space Rockville, MD
Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a technically skilled and hands-on Electrical Engineer II to support the development of specialized spacecraft electronics for next-generation Ranger missions. In this role, you will contribute to the design, development, integration, qualification, and flight delivery of high-reliability avionics and spacecraft electronics supporting long-duration, high-mobility space missions. Working closely with systems, mechanical, thermal, RF communications, FPGA, software, and integration engineers, you will help develop flight-ready electronics from early concept through spacecraft integration and launch. This position is ideal for an engineer who thrives in a fast-paced development environment and...
QS
Aug 05, 2026
Full time
Mechanical Engineer III - Spacecraft Programs
$145,000 - $195,000 yearly
Quantum Space Rockville, MD
Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a Senior Mechanical Engineer to own flight hardware development on our Spacecraft Programs. This role is built for an engineer who can take a subsystem/component from requirements to a released design, through build, integration, and test-while collaborating tightly with AIT and manufacturing. Senior-level expectations include independent ownership of deliverables and leadership of technical execution for meaningful scopes. Where You'll Make an Impact Own mechanical components/subsystems end-to-end: requirements, design, analysis coordination, release, and integration support Develop CAD and drawings in Creo; apply GD&T and define inspectable requirements Drive interface closure:...
Xe
Feb 26, 2026
Full time
Mechanical Engineer, Graphite
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description X-energy is seeking professionals to join our Mechanical Engineering team in the role of Mechanical Design Engineer to support the development of the Xe-100. This role is responsible for the engineering design and development of mechanical systems, structures, and components such as Reactor Internal Structures, Steam Generator System, Helium Circulator System, Graphite Core Components, Reactor Cavity Cooling System, or Nuclear Auxiliary Systems. This includes concept development, evaluation of concepts, analysis of...
Xe
Feb 24, 2026
Full time
Mechanical Design Engineer
$79,500 - $132,500 yearly
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description X-energy is seeking professionals to join our Mechanical Engineering team in the role of Mechanical Design Engineer to support the development of the Xe-100. This role is responsible for the engineering design and development of mechanical systems, structures, and components such as Reactor Internal Structures, Steam Generator System, Helium Circulator System, Graphite Core Components, Reactor Cavity Cooling System, or Nuclear Auxiliary Systems. This includes concept development, evaluation of concepts, analysis of...
Xe
Feb 05, 2026
Full time
Engineer V, Civil Structural
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description This role is responsible for the development and design of the site, layout, buildings and structures of the Xe-100 plant. This includes concept development and evaluation, as well as analysis and design of systems, structures, and components (SSCs). This role will collaborate with a multi-disciplined team of engineers, suppliers, construction contractors and other project stakeholders, and support key objectives in deploying the Xe-100 plant that has advantages in safety, reliability, economics and sustainability...
Xe
Aug 25, 2025
Full time
Principal Engineer/ Mechanical Engineering Manager (Heat Exchanger Design)
$152,000 - $228,000 yearly
X-energy LLC Rockville, MD
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description X-energy, LLC is seeking an accomplished Principal Engineer/Mechanical Engineering Manager (Heat Exchanger Design) to lead our advanced Mechanical Design team in the development of Steam Generators and Heat Exchangers for advanced nuclear reactor applications. This leadership position drives the strategic direction and technical excellence of mechanical design operations for the Steam Generator of the Xe-100 Small Modular Reactor (SMR), with particular emphasis on mission-critical reactor systems. The successful candidate...
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