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47 energy materials jobs found in Washington, DC

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Ne
Mar 20, 2026
Full time
Senior Interconnection Engineer
$120,000 - $135,000 yearly
Nexamp Washington, DC, USA
Do you want to be a part of the clean energy movement? Are you passionate about improving our environment for this generation and those to follow? Are you ready to take on new challenges and collaborate with a future-focused team leading the way into new markets? Join Nexamp! This is where you can learn from industry leaders and become one yourself. It's fast-paced, mission-based work that challenges the status quo. Be on the team that's changing the world. What we're looking for: Join Nexamp's mission to transform the energy landscape with your expertise as a Senior Interconnection Engineer. We are at the forefront of the renewable energy revolution, driving change and innovation in the renewable energy sector. If you're passionate about crafting a sustainable future and have a track record in the technical intricacies of interconnection, we want you on our team. We are seeking a detail-oriented Senior Interconnection Engineer with a robust technical background and proven...
Xe
Apr 03, 2026
Full time
Manager, Mechanical Engineering (Dynamics & Vibration Structural Analysis)
$139,275 - $232,125 yearly
X-energy LLC Rockville, MD, USA
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 Mechanical Engineering Manager (Dynamics and Vibration Structural Analysis) to lead our advanced Mechanical Structural Analysis 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 dynamic structural analysis of the Xe-100 Small Modular Reactor (SMR), with particular emphasis on mission-critical reactor systems. The successful candidate will...
Xe
Mar 15, 2026
Full time
Lead, Mechanical Engineering (Reactor Pressure Vessel)
$127,500 - $212,500 yearly
X-energy LLC Rockville, MD, USA
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
Feb 28, 2026
Full time
Lead, Mechanical Engineering
$146,000 - $184,690 yearly
X-energy LLC Rockville, MD, USA
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 position provides management support and technical leadership to the group performing a subdiscipline of mechanical engineering across all projects and programs. This includes directing the work of individual contributors on the team, at the discretion of projects which they are supporting, providing organizational support for the project team, and assisting with the design, analysis and drafting of systems, structures, and components for various advanced reactor plants. Job Profile Tasks/Responsibilities...
Xe
Feb 27, 2026
Full time
Senior Piping and Valve Design Engineer
X-energy LLC Rockville, MD, USA
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 Senior Piping and Valve Design Engineer 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
Feb 26, 2026
Full time
Mechanical Engineer, Graphite
X-energy LLC Rockville, MD, USA
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, USA
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, USA
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
Dec 17, 2025
Full time
Manager, Mechanical Engineering
X-energy LLC Rockville, MD, USA
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 position is responsible for managing the group of engineers responsible for performing a subdiscipline of mechanical engineering across all projects and programs. This includes directing the work of individual contributors on the team, at the discretion of projects which they are supporting, providing organizational support for the project team, and assisting with the design, analysis and drafting of systems, structures, and components for various advanced reactor plants. Job Responsibilities Manages the...
Xe
Dec 06, 2025
Full time
Structural Analysis Engineer, Metallics/Graphite
X-energy LLC Rockville, MD, USA
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 growing our Structural Analysis team. We are looking for experienced engineers 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...
Xe
Aug 25, 2025
Full time
Principal Engineer/ Mechanical Engineering Manager (Heat Exchanger Design)
$152,000 - $228,000 yearly
X-energy LLC Rockville, MD, USA
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...
AE
Mar 20, 2026
Full time
Design Engineer
Albireo Energy Gambrills, MD, USA
Albireo Energy is seeking the talents of a dedicated systems designer to produce highly detailed and technical installation diagrams for data center automation and monitoring systems. These systems typically involve mechanical cooling, electrical metering, automation P&ID, communication, low voltage connection and networking diagrams. Additionally, conceptual drawings and diagrams are required in support of our solutions architecture and sales team. This position is responsible for assisting the central engineering team in the design and implementation of strategic projects globally. An individual in this position will be expected to perform additional job-related responsibilities and duties throughout the project as assigned and or as necessary. In addition to the responsibilities below, the System Designer works under the Hardware Engineering Manager, performing routine and complex technical duties in project design, implementation, and management of complex automation...
AE
Feb 26, 2026
Intern
Junior Engineer - Intern
Albireo Energy Gambrills, MD, USA
The Junior Design Engineer Intern will support the design, documentation, and field execution of Building Automation Systems (BAS). This role provides hands-on exposure to both engineering design and on-site activities while working closely with the engineering and operations teams. Key Responsibilities: Assist with mechanical and electrical circuit design and participate in design reviews Support control system design and drawing development using AutoCAD Assist in the preparation of proposals and review of construction plans and specifications Support field inspections and testing to verify system performance and compliance with project requirements Assist with the preparation of technical memoranda, reports, and electronic deliverables Participate in field activities including site investigations and on-site observations Collect, organize, and document technical data accurately Requirements Strong written and verbal communication skills Experience with Bluebeam...
GF
Apr 02, 2026
Full time
Marine Project Engineer
$115,000 - $150,000 yearly
Gannett Fleming, Inc. Baltimore, MD, USA
GFT is excited to announce that we are actively seeking a talented and motivated Project Engineer with 5-10 years of experience in Maryland and the Mid-Atlantic region . This is an exciting time to join our growing GFT team! Working on the roadway team at GFT offers the opportunity to engage in transformative projects that enhance transportation infrastructure and improve community connectivity. Whether working on highways and bridges or traffic engineering, our team excels in resilient, sustainable design and construction, delivering innovative solutions that address the complexities of modern, multimodal roadway systems and ensure safe, efficient, and reliable travel for all. Explore some of our signature roadway projects here. What you'll be challenged to do: The ideal candidate will serve as a staff specialist, providing technical guidance on complex or unique engineering assignments. This role requires the ability to apply a broad knowledge of engineering design...
DR
Apr 04, 2026
Full time
Site Engineer II
Digital Realty Sterling, VA, USA
Job Description Position Title: Site Engineer II Your role The Site Engineer II position is a contributing member to the site level Data Center Operations team assigned to one or more of our data center properties reporting directly to the Manager Engineering Operations. The Site Engineer II will have experience in mission critical infrastructure, including Generators, UPS Systems, HVAC Systems, Fire/Life Safety Systems, BMS Systems, and CMMS systems. It is expected that the Site Engineer I candidate has expertise in either electrical work or mechanical work and it would be expected that he/she would be competent in the area of non expertise. The responsibilities of the Site Engineer II are: to contribute to the daily site operation, including creation and modification of site operating procedures, contribute to creation of change management tickets, creation of timely incident reporting, site maintenance and repairs/inspections to help ensure Digital Realty's data center...
DR
Apr 03, 2026
Full time
Site Engineer II
Digital Realty Manassas, VA, USA
Job Description Position Title: Site Engineer II Your role The Site Engineer II position is a contributing member to the site level Data Center Operations team assigned to one or more of our data center properties reporting directly to the Manager Engineering Operations. The Site Engineer II will have experience in mission critical infrastructure, including Generators, UPS Systems, HVAC Systems, Fire/Life Safety Systems, BMS Systems, and CMMS systems. It is expected that the Site Engineer I candidate has expertise in either electrical work or mechanical work and it would be expected that he/she would be competent in the area of non expertise. The responsibilities of the Site Engineer II are: to contribute to the daily site operation, including creation and modification of site operating procedures, contribute to creation of change management tickets, creation of timely incident reporting, site maintenance and repairs/inspections to help ensure Digital Realty's data center...
FB
Feb 16, 2026
Full time
Design Engineer
Fidelity Building Services Group Frederick, MD, USA
Ready to grow your career while driving the future of smart buildings? At Smart Building Technologies (SBT), a Fidelity company, we're helping facilities run smarter, safer, and more efficiently through innovative building automation and control solutions. We're looking for a Design Engineer who's passionate about technology, detail-oriented, and ready to help shape high-performance environments through exceptional system design. If you love solving complex challenges, turning technical concepts into reality, and working alongside a collaborative, fast-paced team - this is your opportunity to make an impact. What You'll Do: • Design complete building automation systems including mechanical system layouts, electrical drawings, bills of materials, sequences of operations, valve and damper schedules, and DDC panel layouts. • Determine the best mix of products and installation methods to deliver cost-effective, efficient project solutions. • Prepare submittals, shop drawings,...
BC
Apr 02, 2026
Full time
Civil Engineer III
$95,000 - $110,000 yearly
Bowman Consulting Group, Ltd. Washington, DC, USA
Short Description Bowman has an opportunity for a Civil Engineer III to join our team in Washington, D.C. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more than a job. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved. We recognize the importance of creating a work environment that is both rewarding to our employees and supportive of our unwavering commitment to provide unparalleled service to our clients. Purpose Carry out complex or novel assignments requiring the development of new or improved civil engineering techniques or procedures to create new or refined equipment, materials, processes or methods. Responsibilities Leadership and Direction Receive broad guidance relating...
SG
Feb 26, 2026
Full time
Professional Engineer, Structural Engineering DC
$93,600 - $120,120 yearly
Simpson Gumpertz & Heger Washington, DC, USA
Do you want to help engineer what's next? Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients' most complex challenges. We leverage our collective and diverse experience, technical expertise, and industry knowledge of structures and building enclosures, advanced analysis, performance & code consulting, and applied science & research to deliver unrivaled, comprehensive solutions that drive superior performance. With 750 employees in ten office locations throughout the United States, SGH's industry-leading teams constantly seek to advance the meaning of what's possible. What makes careers at SGH so special? The only way to advance is to question and explore. Every member of the SGH team is both a learner and an educator, committed to advancing ourselves, our teams, and our industry. Together we are creating a community that never settles for what is but always seeks what could be. There are many...
HI
Mar 30, 2026
Full time
Senior Electrical Engineer (Engineer Electrical 4) - 27790
$121,896 - $191,000 yearly
Huntington Ingalls Industries Alexandria, VA, USA
Requisition Number: 27790 Required Travel: 0 - 10% Employment Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $121,896.00 - $191,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies...
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