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135 lead mechanical engineering jobs found in Rockville, MD

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lead mechanical engineering Rockville, MD
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Xe
Jan 22, 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
Jan 22, 2026
Full time
Manager, Mechanical Engineering (Dynamic 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 (Dynamic Structural Analysis) to lead our advanced Mechanical Structural Analysis team. This leadership position drives the strategic direction and technical excellence of structural analyses of the Xe-100 Small Modular Reactor (SMR), with particular emphasis on mission-critical reactor systems. The successful candidate will provide leadership for the design and structural analysis of nuclear reactor system components and drive the implementation of...
CR
Jan 18, 2026
Full time
Senior Lead Mechanical Engineer
CRB Rockville, MD, USA
Company Description CRB's over 1,100 expert professionals drive innovative, life-changing and life-saving solutions for manufacturers in the life sciences and food and beverage industries. Our mission, vision, and core values put client satisfaction and employee experience at the center of everything we do. As an AEC Firm we proudly specialize in industries that inherently carry important social responsibility - we recognize our impact and influence in the communities we serve and pursue corporate responsibility through the lens of people, community, and planet. From oncology and rare disorders to COVID-19 or alternative proteins, our design and construction projects are pioneering solutions addressing important issues such as food scarcity and global health. Job Description The Mechanical Engineer focuses on the design and engineering of HVAC and mechanical utilities for buildings. The individual possesses demonstrated ability to manage multiple complex tasks, coordinate...
Xe
Jan 15, 2026
Full time
Senior Mechanical Engineer, Explicit Dynamics
$134,820 - $187,250 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 has a unique opportunity for a Senior Structural Analysis Engineer 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...
Xe
Jan 09, 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
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...
MJ
Nov 27, 2025
Full time
Senior Engineer/Architect
M&J Engineering Rockville, MD, USA
Overview M&J Engineering, D.P.C. (M&J) is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations. M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company's Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual...
MJ
Nov 08, 2025
Full time
Senior Engineer/Architect
M&J Engineering Rockville, MD, USA
Overview M&J Engineering, D.P.C. (M&J) is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations. M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company's Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual...
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...
Gu
Oct 18, 2025
Full time
Catheter Development Engineer
Guidehouse Bethesda, MD, USA
Job Family: Systems Engineering (Digital) Travel Required: None Clearance Required: Ability to Obtain NACI What You Will Do: We are currently searching for a Catheter Engineer. The role will be performing scientific and technical services in support of research by the Division of Intramural Research, in the National Heart Lung and Blood Institute in cardiovascular intervention. The individual will be working on iterative design and testing of catheter devices and imaging algorithms. This is a full-time opportunity supporting the NHLBI office located in Bethesda, MD. Support engineering research and development efforts focused on next-generation catheter systems, guidewires, and accessory electronics. Design catheter components including shafts, distal tips, steering and deflection mechanisms, and sensor integration using advanced materials such as polymers, alloys, braid/wire reinforcements, adhesives, and coatings. Integrate complex electronic...
Gu
Sep 09, 2025
Full time
Cardiovascular Catheter Development Engineer
Guidehouse Bethesda, MD, USA
Job Family: Systems Engineering (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do : We are currently searching for a Cardiovascular Catheter Engineer. The role will be performing scientific and technical services in support of research by the Division of Intramural Research, in the National Heart Lung and Blood Institute in cardiovascular intervention. The individual will be working on iterative design and testing of catheter devices and imaging algorithms. This is a full-time opportunity supporting the NHLBI office located in Bethesda, MD. Support engineering research and development efforts focused on next-generation catheter systems, guidewires, and accessory electronics. Design catheter components including shafts, distal tips, steering and deflection mechanisms, and sensor integration using advanced materials such as polymers, alloys, braid/wire reinforcements, adhesives, and coatings. Integrate complex...
CC
Nov 14, 2025
Full time
Communications Systems Engineer
Clark Construction Group, LLC McLean, VA, USA
The Communication Systems Engineer will lead design, development and maintenance of various technologies needed for various fields of communications. These professionals work on software, electronics, and equipment for communications systems such as intercom, audio visual, telephone and fiber network infrastructure. Responsibilities This individual will provide technical support in the design and delivery of projects involving CCTV, access control, intrusion detection, public address, intercom, audio visual, telephone, fiber/copper network infrastructure, supervisory control and data acquisition (SCADA), and passenger/real-time information systems and associated hardware and software Responsible for assisting in the production and modification of design calculations, technical reports, engineering plans and specifications for assigned projects Applies engineering techniques, procedures and design criteria for projects ranging in size and complexity As a member of the team,...
FI
Dec 07, 2025
Full time
Microelectromechanical Systems Engineer
Fibertek, Inc Adelphi, MD, USA
Job Title Microelectromechanical Systems Engineer Location ARL Maryland - Adelphi, MD 20783 US (Primary) Job Description Fibertek is currently seeking a Microelectromechanical Systems Engineer to support our team at the Army Research Laboratory (ARL) in Adelphi, MD. The Microelectromechanical Systems Engineer will provide specialized engineering support in the research, design, and fabrication of Micro-Electro-Mechanical Systems (MEMS) devices and novel micro-scale packaging technologies. The MEMS Engineer will work in a cleanroom environment at ARL to advance the design, development, and testing of MEMS-based devices for defense applications. The MEMS Engineer supports ARL's Electromagnetic Effects Branch under the VIRTUE program. The role focuses on R&D in MEMS fabrication, additive manufacturing, micro-scale electronics packaging, and micro-scale energetics. Responsibilities include modeling, fabricating, assembling, and testing micro-scale devices using advanced...
MC
Jan 18, 2026
Full time
Telecommunications Engineer Leader 1
M.C. Dean, Inc Tysons, VA, USA
Overview Your Future at M.C. Dean We're seeking people driven to excellence and inspired to have a meaningful impact powering, automating, integrating, and securing the world's most critical infrastructure and facilities. This translates into fulfilling opportunities for employees driven to excel in a meaningful career. As an employee at M.C. Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability. Together, we transform the way complex, large-scale systems are designed, delivered, and sustained-enhancing client outcomes, improving lives, and changing the world for the better. The Mission Critical Telecommunications Engineer Leader 1 (EL1) is responsible for leading the design, coordination, and execution of complex telecommunications and infrastructure engineering solutions for high-density, Artificial...
CI
Dec 23, 2025
Full time
Project Manager Engineer
$69,923 yearly
Central Intelligence Agency Washington, DC, USA
Summary Project Manager Engineers apply their engineering or scientific expertise to deliver new and innovative solutions in support of CIA's mission to collect foreign intelligence. Duties Help As a Project Management Engineer within CIA's Directorate of Science and Technology (DS&T), you will apply your technical expertise to deliver mission critical, cutting-edge technologies and enable CIA to drive decision advantage for policymakers' hardest challenges. DS&T Project Management Engineers oversee the development and systems integration of technology solutions that meet the nation's most challenging requirements. As a DS&T Project Management Engineer, you will apply program management principles and your technical expertise to deliver mission relevant solutions on time, within budget, and with the highest quality imaginable. As a DS&T Project Management Engineer, you can lead the team that finds that new and innovative solution to help CIA accomplish a...
CE
Sep 14, 2025
Full time
Senior Development Engineer - Remote with Travel
$114,300 - $127,000 yearly
Constellation Energy Generation, LLC. Remote (Washington, DC, USA)
Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits...
KI
Aug 25, 2025
Full time
Fire Protection Engineer
Koniag, Inc. Washington, DC, USA
Koniag Technology Solutions, a Koniag Government Services company, is seeking a Fire Protection Engineer with a Top-Secret clearance to support KTS and our government customer in Washington, DC.This position is for a Future New Business Opportunity. We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more. The Fire Protection Engineer will have essential multi-discipline team representation and be self-motivated, well organized, design oriented, and customer focused. Essential Functions, Responsibilities & Duties may include, but are not limited to: Lead design of fire protection projects throughout the project, from programming to post-occupancy. Review proposal documents for accuracy and provide comments and/or recommendations as necessary. Review Architectural, Electrical, and Mechanical...
WM
Jan 22, 2026
Full time
Controls Engineer
Wunderlich-Malec Reston, VA, USA
Wunderlich-Malec Engineering (WM) is a 100% employee-owned ESOP and one of the largest and most well-established engineering companies in the United States. When you join WM you become part of a company that is: 100% employee-owned with 40+ years of industry history ENR (Engineering News Record) Top 500 firm Rated as a top System Integrator Giant We have a Controls Engineer position in Reston, VA. This position is responsible for controls engineering project requirements involving control system design, control panel design, PLC programming, instrumentation, check out support and start-up assistance. Responsibilities Designs, develops, and implements control system (logic software and hardware) to meet process system requirements Develops schematics detailing control system configuration and wiring, and design equipment panel layouts on AutoCAD software Develop Sequence of Operation document detailing control strategies for the process under control. Lead design...
JE
Jan 19, 2026
Full time
Civil Engineer
Jedson Engineering Reston, VA, USA
Senior Civil Engineer WHO WE ARE: Jedson Engineering is an Engineering Consultancy headquartered in Cincinnati, OH. We provide full-service engineering, procurement and construction management (EPCm) services to industrial process manufacturers that operate in pulp & paper, chemical, CPG, F&B, power and heavy industrial market markets across the nation. We are in a significant growth mode and it's an exciting time to be joining our business! About the Role: Jedson Engineering is seeking a Senior Civil Engineer. This position will play a key role in delivering civil and site design solutions for industrial projects across multiple sectors. The ideal candidate will bring strong technical skills, leadership capabilities, and extensive experience with AutoCAD Civil 3D. Responsibilities: Lead and execute civil-site design projects individually or through small teams. Strong design skills in planning, site layout, grading, roadways, utilities, and erosion control...
SN
Jan 17, 2026
Full time
Mechanical Engineering - Project Manager
SGA|NW, a GF design company Reston, VA, USA
Job Title: MEPProject Manager (Mechanical Engineering) Department: Design MEP East Coast Reports to: Managing Director/Director FLSA Status: Exempt GENERAL SUMMARY The MEP Project Manager (Mechanical Engineering) is responsible the aesthetic, conceptual and planning solutions, design, coordination, and delivery of mechanical engineering-focused MEP projects from proposal development through construction closeout. Reporting to the Managing Director or Director, this role provides technical leadership and project management oversight for mechanical systems, including HVAC, plumbing, and related building systems. The position requires the ability to manage multiple projects concurrently, collaborate across disciplines, and ensure projects meet technical, schedule, budget, and quality expectations. SUPERVISORY RESPONSIBILITIES This position does not have formal supervisory responsibilities. However, the MEP Project Manager provides technical guidance, coordination, and...
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