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51 energy materials jobs found in Washington, DC

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energy materials Washington, DC
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SS
Aug 05, 2026
Full time
Senior High Voltage Engineer
$150,000 - $160,000 yearly
Sol Systems Washington, DC
Sol Systems is seeking a Senior High Voltage (HV) Engineer who will provide technical guidance during origination, interconnection, project development, pre-construction, financial closing, construction, and commissioning for high voltage facilities (substations, transmission lines, and interconnection switchyards) that are part of PV and BESS plants. The Sr. HV Engineer will lead the late-stage interconnection process for utility scale PV and BESS projects from the facilities study phase to GIA negotiations, including leading negotiations with the transmission owner, and will lead long-term construction coordination during development and pre-construction. They will also guide internal stakeholders, consultants, and EPC's towards the design and construction of the high voltage facilities. Lastly, the Sr HV Engineer will support the procurement teams with technical guidance towards the specification and purchase of GSU's and HV Breakers. Sol Systems designs and delivers...
Ne
Aug 05, 2026
Full time
Senior Electrical Engineer
$135,000 - $150,000 yearly
Nexamp Washington, DC
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: Nexamp is looking to hire a Senior Electrical Engineer to join it's Clean Energy Deployment team. You will be responsible for review of solar & storage projects design by providing technical expertise in the interconnection, construction, and assisting in the commissioning of distributed energy resources (DERs). We are accepting candidates across our hub offices of Chicago, Boston, DC, and NY. We are supporting hybrid work. You will report to the Director, Electrical Engineering. What...
Ne
Mar 20, 2026
Full time
Senior Interconnection Engineer
$120,000 - $135,000 yearly
Nexamp Washington, DC
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
Aug 05, 2026
Full time
CFD/ Thermal Hydraulics Engineer III
$115,000 - $140,000 yearly
X-energy LLC Remote (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 Profile...
Xe
Aug 05, 2026
Full time
Mechanical Design Engineer - Reactor Internals (In-Vessel Shielding)
$115,000 - $140,000 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 is seeking a Mechanical Design Engineer responsible for the engineering design, analysis, and development of the in-core shielding elements that comprise the Reactor Vessel Internals (RVI) for X-energy's advanced high-temperature gas-cooled reactor. This role supports the design lifecycle from concept development through detailed design, analysis, manufacturing support, testing, and commissioning while ensuring compliance with nuclear safety, quality, and regulatory requirements. The engineer will work closely...
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
Feb 27, 2026
Full time
Senior Piping and Valve Design Engineer
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 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
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
Dec 06, 2025
Full time
Structural Analysis Engineer, Metallics/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 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
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...
GP
Aug 05, 2026
Full time
Facility Engineering Support Services Call for Applicants (Laurel, MD; United States)
$100,000 - $150,000 yearly
GPTech Laurel, MD
GPTech is a global energy and infrastructure consulting firm passionate about engineering and energizing a future for all. We are a close-knit team of highly qualified technical and development professionals dedicated to making a lasting impact for realizing a sustainable future. Working at the intersection of energy, infrastructure, and development, GPTech provides solutions to government agencies, quasi-government organizations, multilateral financial institutions, and utilities with sizable investments in energy and infrastructure. Providing comprehensive services from project inception to completion and post-completion, we deliver solutions to help clients save money, enhance operations, protect the environment, and achieve lasting impacts. We are a trusted partner for delivering solutions through ongoing engagement and continuous improvement. With humble beginnings as a startup between two college friends, today, after 15 years in business, GPTech has successfully...
AE
Aug 05, 2026
Full time
Automation Engineer - Design
$80,000 - $100,000 yearly
Albireo Energy Gambrills, MD
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 Systems Designer works under the Hardware Engineering Manager, performing routine and complex technical duties in project design, implementation, and management of complex automation...
AE
Aug 05, 2026
Full time
BAS Project Engineer
$52.00 - $60.00 hourly
Albireo Energy Gambrills, MD
This position is responsible for coordination of all engineering and field activities related to assigned projects. These projects include new construction and renovations. Provide leadership support for assigned projects to the Albireo Energy project team, subcontractors, contractors, and customers to maintain a high level of customer satisfaction as well as positive financial results. This role requires travel within the Gambrills MD area. Essential Functions: An individual must be able to successfully perform the essential functions of this position with or without a reasonable accommodation. Support the Project Manager complete assigned projects on or before the scheduled completion date by coordinating with and facilitating communication. This includes sales to operations turnover, application engineering, programming, and field execution. Demonstrate comprehension of project specific control sequences and related scope. Coordinate and collaborate with BAS application...
OI
Aug 05, 2026
Full time
Structural Engineer IV
$109,800 - $164,600 yearly
Oceaneering International, Inc. MD
Job Description In the Structural Engineer / Stress Analyst position you will work in a fast-paced environment and perform structural analysis using hand calculations and finite element analysis (FEA) on a wide variety of highly loaded subsea structure such as remotely operated vehicle (ROV) frames, mechanisms, pressure vessels, ship over-boarding equipment, and advanced development projects. You will work with designer engineers from a program's initial stages through structural testing and completion, influence load path, and ensure structural integrity. The work spans static and dynamic studies, performing linear and non-linear structural analysis including transient shock, fatigue and fracture, bolt and weld analysis, defining load tests, DDAM, and documentation. Applicant must be a US citizen and have the capability to obtain a security clearance. Applicants with Top Secret/SCI with CI poly are preferred. Responsibilities Develop load cases and quantify loads for...
OI
Aug 05, 2026
Full time
Electrical Engineer, Motor Control and Power Conversion Specialist
$128,100 - $200,000 yearly
Oceaneering International, Inc. MD
Job Description As an Electrical Engineer, Motor Controls and Power Conversion Specialist, serve as a vital member of the Oceaneering Aerospace and Defense Technologies (ADTECH) engineering team - an engineering center of excellence, and an exciting part of our dynamic, global enterprise. Within our Oceaneering Technologies (OTECH) group, your primary responsibility will be supporting development and application of high-power, high-efficiency motor controls, drives, active front end rectifiers, and other power conversion systems. Additionally, you may be responsible for performing diverse activities associated with the development and implementation of complex power and control systems for unique underwater robotic and electromechanical systems, helping solve our customers' toughest challenges - typically for US Navy and other US Government customers. Most of our projects are one-of-a-kind, which means you will never be stagnant and will always work on something new and...
OI
Aug 05, 2026
Full time
Structural Engineer II
$74,600 - $112,000 yearly
Oceaneering International, Inc. MD
Job Description In the Structural Engineer / Stress Analyst position you will work in a fast-paced environment and perform structural analysis using hand calculations and finite element analysis (FEA) on a wide variety of highly loaded subsea structure such as remotely operated vehicle (ROV) frames, mechanisms, pressure vessels, ship over-boarding equipment, and advanced development projects. You will work with designer engineers from a program's initial stages through structural testing and completion, influence load path, and ensure structural integrity. The work spans static and dynamic studies, performing linear and non-linear structural analysis including transient shock, fatigue and fracture, bolt and weld analysis, defining load tests, DDAM, and documentation. Applicant must be a US citizen and have the capability to obtain a security clearance. Applicants with Top Secret/SCI with CI poly are preferred. Responsibilities Develop load cases and quantify loads for...
OI
Aug 05, 2026
Full time
Manager, Electrical Engineering
$138,300 - $207,500 yearly
Oceaneering International, Inc. MD
Job Description The Electrical Engineering Deputy works with the EE functional manager to lead a team of electrical engineers and technical professionals, setting priorities, supporting project execution, and fostering a collaborative, high-performance work environment. In partnership with cross-functional departments - including mechanical/software/systems engineers, operations, manufacturing, project management, and quality - the Electrical Engineering Deputy supports organizational goals by providing expert technical guidance, resolving complex engineering challenges, and aligning resources with project demands. Responsibilities Develop and help implement internal policies and procedures for the EE group. Monitor the quality of electrical work products and proactively address areas of concern. Contribute to policies and procedures external to the group (such as corporate electrical engineering standards, processes and quality). Functionally manage junior EE...
OI
Aug 05, 2026
Full time
Project Mechanical Engineer
$101,600 - $152,400 yearly
Oceaneering International, Inc. MD
Job Description The Project Engineer (ME-III) has mastery of at least one core engineering principle and advanced knowledge of related engineering fields. The Project Engineer independently directs and technically manages engineering and design activities under the guidance of a Project Manager, and is responsible for tracking progress and technical adequacy of the design solution. The Project Engineer interacts with all OTECH departments as necessary to provide engineering support to OTECH manufacturing, integration, and test activities, and provides work leadership for lower level employees. Experience in maritime and/or subsea engineering is highly desired. Responsibilities ESSENTIAL Develop and apply advanced engineering analytical and design methods, theories and research techniques, to complex engineering projects. Coordinate and supervise an interdisciplinary design team of engineers, designers, drafters, technical writers, and technicians. Review progress and...
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