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17 design engineer iii jobs found

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Onsite design engineer iii Maryland
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SO
Aug 05, 2026
Full time
Engineer II/III - Civil Design/Land Development
$75,000 - $95,000 yearly
SOLTESZ Waldorf, MD
Soltesz, Inc. has a full time position for a Site / Civil Engineer III in our Waldorf, MD office, who likes working with skilled professionals in a team oriented environment. This position performs a variety of civil engineering design functions in support of a variety of major projects in the region. The candidate must be career driven, technologically savvy, and able to adapt to a wide variety of project types and sizes. The work required by the Engineer II/III is diverse ranging from general site / civil engineering duties to technical work that requires strong capabilities in MicroStation / AutoCAD, MS Excel, MS Word, MS Project, PowerPoint, Outlook, Access and Adobe Acrobat. Experience in software programs which may include, but not limited to: TR-55, TR-20, HEC-RAS, XP-SWM, Hydroflow, KY-Pipe, WaterCad is preferred, but not required. Previous design experience with site / civil projects in either Charles County, Prince George's County, St. Mary's County or Montgomery...
WR
Aug 05, 2026
Full time
Mission Critical Electrical Engineer - Mid-Level
$90,000 - $150,000 yearly
Whitman, Requardt & Associates, LLP Baltimore, MD
At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for 110 years and we are known for our quality work and quality employees. This is your chance to join our team - help us to design the infrastructure and buildings that improve the world! We are seeking a highly skilled Mission Critical Professional Electrical Engineer to join our dynamic team responsible for the design and analysis of high-reliability electrical systems supporting mission critical environments and data centers. The ideal candidate will have a strong background in electrical engineering with a focus on power distribution, redundancy, system resilience, and energy efficiency in mission critical applications. This is an onsite position in our Baltimore, MD office. Responsibilities The engineer shall be able to lead small to medium electrical design projects and direct junior-level engineers. The engineer must excel at collaboration with clients, the...
HC
Aug 05, 2026
Full time
Engineering Specialist II/III, Soil Conservation
$85,796 - $162,698 yearly
Howard County, MD Frederick, MD
Salary : $85,796.00 - $162,698.00 Annually Location : Howard Soil Conservation District, 14735 Frederick Road, Cooksville, MD 21723, MD Job Type: Full Time Job Number: SCD - 06252026 Department: Soil Conservation District Opening Date: 07/01/2026 Closing Date: 8/7/2026 12:00 AM Eastern POSITION SUMMARY/CLASS DESCRIPTION The Howard Soil Conservation District is seeking an Engineering Specialist II/III to review various types of grading and development plans. The position requires considerable knowledge of the Howard County development review process, including all aspects of sediment and erosion control plan compliance. An understanding of AutoCAD, GIS, and the County's PDOX plan review system is preferred. The position requires a Bachelor of Science degree and three (3) years of experience in development plan review, engineering, or other related field. Work experience may be substituted for education requirement on a year-for-year basis. Resume and cover letter...
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...
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...
CS
Aug 05, 2026
Contractor
Mechanical Design Engineer
CSG Garrett Park, MD
Mechanical Design Engineer We are partnering with a cutting-edge advanced nuclear energy company building the next generation of clean, reliable power, helping shape the future of energy by providing dependable, always-on power that supports economic growth while accelerating the transition to a low-carbon world. We are seeking a Mechanical Design Engineer to support the design, development, and delivery of mechanical systems, structures, and components for advanced nuclear applications. This role will be responsible for developing engineering solutions from concept through production, including design, analysis, prototyping, testing, and commissioning. Location: Rockville MD Work Site Expectations: 4-5 days in office Travel Expectations: up to 10% as needed Hours: 8:00am-5:00pm ET, Mon-Fri Key Responsibilities Develop and evaluate mechanical design concepts for structures, systems, and components used in nuclear facilities and equipment Define and document design requirements,...
CS
Aug 05, 2026
Contractor
Mechanical Engineering Lead (RPV)
CSG Garrett Park, MD
Mechanical Engineering Lead (Pressure Vessel) We are partnering with a cutting-edge advanced nuclear energy company building the next generation of clean, reliable power, helping shape the future of energy by providing dependable, always-on power that supports economic growth while accelerating the transition to a low-carbon world. We are seeking an experienced Design Lead to oversee the design, analysis, and qualification of reactor pressure vessel (RPV) and pressure boundary components. This role will lead a team of engineers, ensuring designs meet regulatory, safety, quality, and performance requirements throughout the design and licensing lifecycle. The position provides technical leadership and management support to a mechanical engineering team across multiple projects. Responsibilities include guiding engineering staff, supporting project execution, and leading the design and analysis of systems, structures, and components for advanced nuclear facilities. Location:...
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...
Ba
Mar 11, 2026
Full time
Project Engineer III - Distribution
Booth and Associates Owings Mills, MD
Job Type Full-time Description Project Engineer III opportunity with an established multi-office, industry-leading consulting engineering firm. This is an excellent opportunity to join our team and requires the exercise of independent judgment and discretion in handling specific details and activities. The incumbent is expected to work both independently and within a team environment with minimum supervision. Looking for a Project Engineer with 5+ years of overhead and underground distribution design experience. Responsibilities: Design, stake and coordinate overhead and underground distribution projects to meet NESC, RUS or other applicable standards, specifications and all applicable codes. Perform peer and final reviews of distribution designs performed in part or in full by others to ensure all applicable standards, specifications and codes are met. Seal distribution line designs completed by you and others. Coordinate design and construction of distribution line...
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
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...
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...
BN
Aug 05, 2026
Full time
Mechanical / Aerospace System Engineer
$82,000 - $108,000 yearly
BNH Hillandale, MD
Overview Job Title: Mechanical/Aerospace System Engineer Location: White Oak, MD Function/Branch: Engineering / Tunnel 9 Directorate: Test Operations Position Type: Regular, Full-Time Pay Type: Exempt Grade: L06 / L07 Salary Range : Grade 06: $82,000 - $108,000; Grade 07: $88,000 - $125,000 **Current US Citizenship required** **If you are seeing this posting on a job board, BNH highly recommends you apply directly on the Careers Center page of our business website (https://careers-bnh.icims.com/jobs). Job board applications are not always compatible with company applicant tracking systems.** Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Mechanical or Aerospace Systems Engineer, supporting TOS II, at Tunnel 9 in Silver Spring, MD. The Systems Engineer will be working as a member of an integrated team responsible for operating and maintaining, as well as supporting tests the United States Air Force Test Operations and...
BN
Aug 05, 2026
Full time
Mechanical / Aerospace System Engineer
$108,000 - $144,000 yearly
BNH Hillandale, MD
Overview Job Title: Mechanical/Aerospace System Engineer Location: White Oak, MD Function/Branch: Engineering / Tunnel 9 Directorate: Test Operations Position Type: Regular, Full-Time Pay Type: Exempt Grade: L08/L09 Salary Range : Grade 08: $108,000 - 144,000; Grade 09: $130,000 - 175,000 **Current US Citizenship required** **If you are seeing this posting on a job board, BNH highly recommends you apply directly on the Careers Center page of our business website (https://careers-bnh.icims.com/jobs). Job board applications are not always compatible with company applicant tracking systems.** Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Mechanical or Aerospace Systems Engineer, supporting TOS II, at Tunnel 9 in Silver Spring, MD. The Systems Engineer will be working as a member of an integrated team responsible for operating and maintaining, as well as supporting tests the United States Air Force Test Operations and...
AE
Aug 05, 2026
Full time
Mechanical Engineer II E&U
$70,000 - $110,000 yearly
Affiliated Engineers, Inc. Baltimore, MD
Overview Join a Team Where Engineering Excellence Drives Opportunity At Affiliated Engineers, Inc. (AEI) , we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors. From elevating patient care in Mayo Clinic's world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft's renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility. AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and...
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