243 mechanical engineer jobs found in Washington, DC

Job Description At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators, and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses entrepreneurial spirit in an employee-owned company, believes diversity gives us strength, seeks sustainable results, and shares ambitions for each other, our clients, and the communities we serve. Together, we are EXP. Are you ready to design your future? Be our next Senior Mechanical Engineer Your work environment at EXP In this role, you will be part of the MEP team supporting Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects throughout the Mid-Atlantic region. This position provides technical leadership for HVAC, plumbing, and fire protection systems while working...

Sr Mechanical Engineer - Space & Avionics RF Packaging - 100% Remote (Anywhere in the US) Location: 100% Remote (Anywhere in the US) Job Type: Full-Time & Contract Options Available Requirements: US Citizenship Required Compensation: $135,000 - $160,000 / year + Comprehensive Benefits We are seeking an experienced Mechanical Engineer to lead the packaging and mechanical design of mission-critical RF systems for space and aerospace applications. In this role, you will drive key initiatives, including finalizing the mechanical design for an RF Switch Matrix and transitioning aircraft radio architectures into space-qualified designs built to withstand extreme environments. This is an autonomous, high-impact role on a rapidly growing engineering team, with strong potential for assignment extensions and expanded program responsibilities. Key Responsibilities Lead mechanical design, thermal packaging, and structural integration for 3U VPX enclosure systems and...

Solvere is seeking a Junior Mechanical Engineer to join our team. Responsibilities: Perform engineering duties in planning and designing tools, engines, machines, and other mechanically functioning equipment. Oversee installation, operation, maintenance, and repair of equipment such as centralized heat, gas, water, and steam systems. Perform engineering duties in planning and designing tools, engines, machines, and other mechanically functioning equipment. Review technical deliverables pertaining to all HM&E and C4ISR systems to analyze and provide recommendations and input. Coordinate and assist with all technical and engineering efforts required for the successful day to day activities of the program. Maintain a current and complete log of all intended design modifications, listing the primary system, affected systems, potential or named engineering contractors, contractors points of contact, servicing agencies information, intended installation...

The ocean is the largest undeveloped frontier on earth - and the next chapter of abundant energy will be written at sea. We're building the infrastructure to power it. About Ocean Atomics (OA) Ocean Atomics is an American company designing, licensing, and assembling a standardized nuclear electric power plant and the surrounding support systems for maritime applications. We will install these plants on any vessel built to our nuclear-ready standards, and will provide end-to-end sustainment in our planned nuclear lifecycle dockyard. We will help develop the licensed operators to unlock this new capability for your energy intensive application at sea. To move fast and to lead the creation of this new market, we are leveraging the compact, proven systems enabled by water-cooled reactors. Our mission Scale nuclear energy. Power generations. Our vision A maritime commons thriving with abundant, economical, modern, and safe nuclear-powered activity - built, serviced, and...

Are you ready to turn your Mechanical Engineering degree into real-world design experience? Wiley|Wilson, a 100% employee-owned architecture and engineering firm, is looking for a new graduate to join our Mechanical Engineering team in our Alexandria, VA office. As a Mechanical Engineer-in-Training (EIT), you'll work alongside experienced engineers designing HVAC, plumbing, and other mechanical systems for a diverse range of projects and clients. You'll gain hands-on experience across multiple phases of design while building the technical foundation and experience needed to pursue your Professional Engineer (PE) license. Working under the guidance of licensed Professional Engineers, you'll contribute to real projects from the start. Your work will include developing mechanical plans and designs, performing engineering calculations, applying relevant codes and standards, and preparing and reviewing technical documentation. You'll also assist with field investigations and testing,...

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 designing and integrating the reactor internals in the XE-100. You will also hold design authority responsibilities for a sub-system or group of components. This role includes directing the work of individual contributors on the team, providing organizational support for the project team, and assisting with the design, analysis and drafting of systems, structures, and components. We are looking for high energy individuals with skills that...

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:...

Handles projects from start to finish 100% with little to no oversight. Senior Engineers tackle our most complex projects. Provides oversight, mentorship, guidance and training to others. Job Summary Solve complex technical issues on projects Asses the requirements of a project, break a project into tasks, and work with a Project Manager to determine the scope of work, budget, and staffing Write scope of work for mechanical design based on preliminary review and meetings with the client Prepare engineering studies and schematic design for new systems Analyze operation of existing systems Based on knowledge of applicable building codes, work with code officials and other design professionals when an interpretation or exception to building codes is required Assign and review work of project design team Check progress of work and alert Project Manager to change of scope or additional services Review contractor application for payments Coordinate all aspects of project...

At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for more than 110 years and we are known for our quality work and developing quality employee careers. We are seeking the very best and most talented to join our team - help us take on challenges, develop vision solutions, and innovate and design the infrastructure of the future that will transform the world! Whitman, Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and sustainable solutions to our clients' most complex challenges. With a history spanning over 100 years, our firm has a strong reputation for excellence in design, engineering, and construction services. We are seeking a talented and experienced Senior Mechanical Engineer to join our team in our Fairfax, VA office. As a Senior Mechanical Engineer at Whitman, Requardt & Associates, LLP, you will play a pivotal role...

Mechanical Engineer - Specialized Design Company Name: EKFox Location: Chantilly, VA Project Focus: Mission-Critical Infrastructure, Secure Facilities, R&D, and Specialized HVAC Work Setting: In-Office / Hands-on Lab & Field Salary: $80,000 - $120,000 + Benefits Recruited Exclusively By: Luxus | AEC Talent Partners Position Overview Are you ready to move beyond the drafting table and into a role where your designs are physically prototyped, tested, and deployed for missions of national security? We are seeking a Mid-Level Mechanical Engineer to join our Specialized Design team-a high-impact group dedicated to solving the most complex infrastructure challenges for a select group of confidential clients. This isn't just about HVAC load calcs; it's about "cradle-to-grave" engineering where you take ownership of the entire lifecycle, from initial concept and CFD modeling to hands-on fabrication and field implementation. Joining our team means stepping...

ECS is seeking a Mechanical Engineer to work Chantilly, VA . ECS is looking to hire a Mechanical Engineer who can apply a working knowledge of engineering fundamentals to the group's engineering and design activities under the guidance of a Sr. Mechanical Engineer and project staff. The position involves conceptualization of electromechanical assemblies to meet defined performance requirements, detailed design, creation of engineering technical data packages, production support and configuration control of complex electronic and mechanical systems. The primary end products include imaging radars and range safety systems. Duties and Responsibilities: Create, maintain, and update designs for electronic and mechanical systems, sub-assemblies, and components with a focus on reliability, manufacturability, maintainability, service life, and serviceability. Participate in developing and maintaining engineering standards for mechanical engineering group and company products...

Job Title: Sr. Mechanical Engineer Department: Engineering Location: Germantown, MD FLSA Status: Exempt Job Summary: The Senior Mechanical Engineer is responsible for leading the design, development, analysis, and testing of mechanical systems and components. This role supports the full product lifecycle from concept through production and ensures designs meet technical, quality, and regulatory requirements. The Senior Mechanical Engineer collaborates cross-functionally, mentors junior engineers, and contributes to continuous improvement and innovation initiatives. Essential Duties and Responsibilities: Lead mechanical design of systems, assemblies, and components using CAD software (SolidWorks, CATIA, or similar). Perform structural, thermal, vibration, and stress analyses using FEA and other engineering tools. Develop prototypes and iterate designs based on testing and validation results. Ensure designs comply with performance, safety, and regulatory standards. Plan,...

Mechanical Engineer II Hardware | Columbia, MD | Full Time Schedule: Standard Day Shift, Monday-Friday Clearance Requirement: Active Secret security clearance Experience Requirement: 5+ years Compensation Range: $130,000 - $200,000 (based on experience) Position Overview We are seeking an experienced Mechanical Engineer II to support the design, analysis, and development of mechanical systems for electronic products in a mission-focused environment. This role is ideal for a mid-level engineer with a strong background in thermal engineering, mechanical design, and electronics packaging, who can work independently while collaborating closely with cross-functional engineering teams. The Mechanical Engineer II will play a key role in supporting Integrated Product Teams across the full product lifecycle, including design, analysis, prototyping, testing, and sustainment of digital, RF/analog, and mixed-signal electronics hardware. This position requires hands-on design...

Mechanical Engineer Hardware | Columbia, MD | Full Time Schedule: Standard Day Shift, Monday-Friday Clearance Requirement: Active Secret security clearance Experience Requirement: 1-5 years Compensation Range: $100,000 - $140,000 Position Overview We are seeking a motivated and detail-oriented Mechanical Engineer to join our team in Columbia, MD, supporting the design and development of mechanical systems for electronic products. This role is well-suited for an early-career engineer who enjoys hands-on work, technical problem-solving, and collaborating with cross-functional engineering teams. The Mechanical Engineer will support Integrated Product Teams in the design, analysis, manufacture, and testing of digital, RF/analog, and mixed-signal electronics hardware across multiple levels of integration, including chip, PCB, module, chassis, and system-level designs. This position offers strong mentorship, technical growth, and exposure to real-world product...

Erdman Anthony is seeking a Mechanical Engineer to work with architects and building owners under the guidance of a Professional Engineer to translate owner needs into a building design that is buildable, cost-effective, and sustainable. Responsibilities: Calculate heating and cooling loads using Carrier HAP software to size equipment Estimate energy use and savings using EQuest and other simulation programs Lay out ductwork, piping and equipment using AutoCAD software Model building HVAC and plumbing systems using Autodesk Revit software Survey buildings: take photos, measurements, assess equipment Calculate pipe sizes for refrigeration systems using Excel and other tools Answer construction questions relevant to your designs Meet with utilities to work out building connections Perform energy code compliance calculations Model buildings for LEED Energy credits Requirements: Bachelor's degree in Mechanical Engineering from EAC/ABET certified school Experience...

Company Overview Pantheon Data (a Kenific Holding company) is a private, small business based in the Washington, DC, area. Pantheon Data was founded in 2011, initially providing acquisition and supply chain management services to the US Coast Guard. Our service offerings have grown in the past ten years, including infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering, and cybersecurity. We have also grown our customer base to include commercial clients. The company has used this experience to expand our service offerings to other agencies within the Department of Homeland Security (DHS), the Department of Defense (DoD), and other Federal Civilian Agencies. Position Overview Pantheon Data is seeking a motivated Journeyman Marine Mechanical Engineer (Auxiliary) for vessel sustainment regarding equipment overhauls. This will include evaluation of current shipboard auxiliary...

MUST BE A US CITIZEN (Please do not apply if you are not) Company Introduction At BlackSea Technologies, we don't just innovate; we revolutionize. We are a close-knit team of creative and innovative thinkers specializing in full lifecycle development of cutting-edge maritime technology. At BlackSea, you won't just find a job; you'll find a community of experts who aspire to solve diverse and complex challenges. Be part of a company where your ideas matter, your expertise is valued, and your contributions make a real impact. Together, we are not just sailing; we are charting a course to push boundaries of what's possible. Salary Range: $108,000 to $156,000 Travel: Yes, up to 3 trips a year Job Description: MAPC has an opening for a full time (40hr/wk) Mechanical Engineer with with a background and interest in vessel and ship system designs. The ideal candidate will have a strong technical background, real-world operational experience on marine vessels, and will be...

Job description MUST BE A US CITIZEN (Please do not apply if you are not) Company Introduction At BlackSea Technologies, we don't just innovate; we revolutionize. We are a close-knit team of creative and innovative thinkers specializing in full lifecycle development of cutting-edge maritime technology. At BlackSea, you won't just find a job; you'll find a community of experts who aspire to solve diverse and complex challenges. Be part of a company where your ideas matter, your expertise is valued, and your contributions make a real impact. Together, we are not just sailing; we are charting a course to push boundaries of what's possible. Salary Range: $40 - $52 an hour Travel: 5 trips/30 days a year BlackSea Engineering is seeking a Mechanical Engineer with 3-6 years' relevant experience to join our team in Baltimore. This role will focus on the design, development, and integration of mechanical systems, with a strong emphasis on unmanned maritime systems. The ideal...

Mechanical Engineer Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field Installation; Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support. Mechanical Engineer Job Description: Research, plan, design, and develops mechanical and/or electromechanical products and systems for testing and production. Performs analysis and testing on complex designs to meet varying requirements and conditions. Success in this position requires an assertive, confident attitude and a commitment to working as a part of a team to meet critical delivery schedules. Mechanical Engineer Required Tasks: • Designs and develops mechanical and/or electromechanical products. • Conducts stress, structural/dynamic, and thermal design...

TITLE: MECHANICAL ENGINEER III LOCATION: Hybrid role: In office (Ashburn, VA) and work from home flexibility Job Description We are seeking a highly skilled Mechanical Engineer to join our team. The ideal candidate will have experience in mission critical environments and a strong background in mechanical engineering. Responsibilities Design and develop mechanical systems for mission critical facilities to not only include air cooling but also liquid to chip methods Perform calculations and analysis to ensure systems meet performance requirements Collaborate with cross-functional teams to ensure project success Provide technical support and guidance to project teams Provide engineering and technical support to technicians, engineers and process control personnel in troubleshooting, repair and maintenance of complex mechanical cooling systems such as chilled water, direct and indirect evaporative cooling, dx split systems, condenser water, glycol, dry...