Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Design Engineer

$58 - $80 per hour

Actalent

Mechanical Design Engineer

Job Description

We are seeking a skilled Mechanical Design Engineer to support the design and development of high-reliability mechanical systems. This role involves concept development, system analysis, and ensuring that components meet all technical specifications and requirements. The position requires overseeing the development process through production, including prototyping, testing, and commissioning.

Responsibilities

  • Develop mechanical and physical concepts and support the development of processes for high-reliability products and facilities with a focus on safety.

  • Identify, collect, and document requirements, interfaces, design basis, and criteria by coordinating with key stakeholders and systems engineers.

  • Plan and perform analyses to ensure structures and systems can meet intended functions and technical specifications.

  • Perform structural, thermal, hydraulic, and scoping calculations using hand calculations and analytical tools.

  • Develop innovative mechanical solutions for pressure vessels, piping, electromechanical systems, sensors, mechatronics, and automation systems.

  • Integrate design activities across team members, partners, and suppliers, and conduct supporting scoping and sizing calculations.

  • Create and maintain CAD-generated engineering models.

  • Support manufacturability assessments and assembly integration considerations.

  • Write and develop design documentation, including design basis documents, technical reports, calculations, and drawings.

  • Develop Verification and Validation (V&V) plans for analytical tools and support qualification of toolsets.

  • Perform work in accordance with quality procedures to ensure project quality requirements are met.

  • Provide independent reviews and acceptance reviews of engineering deliverables and data.

  • Maintain a professional demeanor and behavior in all forms of communication.

Essential Skills

  • Hands-on experience with hardware and product development lifecycle, from conception to production.

  • Experience in a highly regulated industry such as aerospace, medical devices, automotive, propulsion/rocketry, or defense electronics.

  • Experience with mechanical component-level design of complex systems like high-pressure vessels, fluid systems, reactors, and turbines.

  • Experience in a lead or managerial capacity, responsible for overseeing others' work.

  • Bachelors degree in mechanical engineering or related discipline from an accredited institution.

  • Proficiency with engineering hand calculations.

  • Experience in designing and developing complex mechanical systems, fluid systems, assemblies, or components.

  • Two plus years of hands-on experience in hardware development or manufacturing processes in a production environment.

  • Experience with CAD and PLM software such as UG/NX, Solidworks, CREO/Pro-Engineer, Teamcenter, or Windchill.

Additional Skills & Qualifications

  • Experience with design using ASME BPV Code, ASME B31.1 or B31.3, and other industry standards.

  • Experience with mechanical process equipment selection, sizing, and specification development.

  • Hands-on experience with graphite or non-metallic components, fabrication, or assembly sequencing.

  • Experience with procurement and manufacturing oversight of pressure vessels or large metallic components.

  • Experience with commercial nuclear power plant systems or operations is a plus.

  • Professional experience in commercial nuclear power, design, qualification, licensing, and construction to ASME BPVC is advantageous.

  • Experience with NRC regulations and licensing requirements for safety-related systems is a plus.

Work Environment

The position is based in an office environment. The role involves collaboration with engineering team members, partners, and suppliers. A professional demeanor is expected in all communications

Job Type & Location

This is a Contract to Hire position based out of Rockville, MD.

Pay and Benefits

The pay range for this position is $58.00 - $80.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

This is a Contract to Hire position based out of Rockville, MD.

Application Deadline

This position is anticipated to close on Oct 26, 2026.

Workplace Type

This is a fully onsite position in Rockville,MD.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mechanical Design Engineer in Rockville, MD vacancy
  •  ...a manner otherwise, please contact us at .Job DescriptionX-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... 
    Suggested
    Full time
    Internship
    Work at office

    X Energy

    Rockville, MD
    4 days ago
  •  ...Job Summary: The Project Management Engineer (HVAC) is responsible for providing technical...  ...for system and product selection, design and pricing during the design and fulfillment...  ...Qualification: ~ Bachelor’s degree in Mechanical Engineering (HVAC), or Engineering... 
    Suggested
    For contractors
    Work at office

    Critical Systems

    Rockville, MD
    9 days ago
  • $79.34k - $119.01k

     ...Provide technical rigor in experimental design and data analysis across projects.  Carry...  ...risk analyses and conduct laboratory or engineering studies to characterize processes.  Test...  ...requirements include a degree in Mechanical Engineering, Biomedical or related engineering... 
    Suggested
    Hourly pay
    Temporary work

    AstraZeneca

    Gaithersburg, MD
    2 days ago
  • $120k - $145k

     ...represent X-energy directs you in a manner otherwise, please contact us at .Job DescriptionX-energy LLC is hiring a HVAC Mechanical Design Engineer to support a Plant & Process Design team. This role is responsible for designing and developing mechanical systems and components... 
    Suggested
    Full time
    Contract work
    For subcontractor
    Work at office

    X Energy

    Rockville, MD
    4 days ago
  •  ...as their Reliable Partner of Choice.  CMT is seeking an Engineering Technician VI (HVAC) who possesses a comprehensive...  ...including advanced HVAC repair, control systems expertise, and mechanical maintenance of complex building infrastructure. Engineering... 
    Suggested
    Contract work
    Local area
    Shift work

    CMT Services Inc

    Rockville, MD
    13 days ago
  • $126.42k - $230.33k

     ...Mechanical Engineer - Nuclear Power Together, we own our company, our future, and our shared success. As an employee-owned company, our...  ...difference. In this role, you will have the opportunity to: Design mechanical systems supporting new nuclear power plant... 
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Black & Veatch

    Gaithersburg, MD
    3 days ago
  •  ...and rare disorders to COVID-19 or alternative proteins, our design and construction projects are pioneering solutions addressing...  ...such as food scarcity and global health.Job DescriptionThe Mechanical Engineer focuses on the design and engineering of HVAC and mechanical... 
    For subcontractor

    CRB

    Rockville, MD
    4 days ago
  • $137.92k - $230.33k

     ...innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are building...  ...knowledge and may provide guidance and direction on design guides, standards, systems, applicable engineering codes and B... 
    Full time
    Part time
    Work experience placement
    Work at office
    Local area
    Relocation
    Visa sponsorship
    Flexible hours

    Black & Veatch

    Gaithersburg, MD
    4 days ago
  • $170.5k - $284.74k

     ...innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are building...  ...the new build market, including the latest advanced reactor designs. We are fully committed to assisting our clients meet the... 
    Full time
    Part time
    Work experience placement
    Work at office
    Local area
    Relocation
    Visa sponsorship
    Flexible hours

    Black & Veatch

    Gaithersburg, MD
    3 days ago
  • $79.34k - $119.01k

     ...AstraZeneca seeks a Device Assembly Process Engineer to lead assembly process development for...  ...operations, process characterization, design transfer activities, and regulatory...  ...Requirements ~ Bachelor's degree in Mechanical Engineering, Biomedical Engineering, or... 
    Full time
    Contract work

    AstraZeneca

    Gaithersburg, MD
    16 hours ago
  • Company DescriptionAt CRB, we design and build some of the most powerful facilities in...  ...are the leading provider of sustainable Engineering, Architecture, Construction and Consulting...  ....  Job DescriptionThe Senior Lead Mechanical Engineer focuses on the design and engineering... 
    Work at office

    CRB

    Rockville, MD
    16 hours ago
  • $88.1k - $134.4k

    POSITION SUMMARY:The Mechanical Engineer is responsible for mechanical design, testing, and documentation responsibilities in the development of new instrumentation and support of existing instrumentation for the biodefense, clinical and life-science markets. Design work... 
    Full time
    Temporary work
    Flexible hours

    Meso Scale Diagnostics

    Gaithersburg, MD
    15 hours ago
  •  ...involvement in technology innovation, ERP and CRM counselling, Product Engineering, Business Intelligence, Data Management, SOA, BPM, Data...  ...and business keenness.Job DescriptionMechanical Engineering design and development with experience in systems like tactical shelters... 
    Worldwide

    USM Systems

    Gaithersburg, MD
    1 day ago
  • $143.91k

     .../2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition ID: DEST-13071367-26-LTDocument ID: 887110500Grade: GG 14Job category: Nuclear Engineering (0840)Hiring path: public, fed-competitive, fed-excepted, vet, mspouse, disability, peace, special-authorities
    Work at office

    United States Government

    Rockville, MD
    3 days ago
  • $120.68k - $201.13k

     ...listed in the Job Profile Task/Responsibilities section of this document.Job Profile Minimum QualificationsBachelor’s degree in engineering is required.Basic understanding of engineering documents and derive quantities from them.Basic software application skills (i.e.... 
    Full time
    Work at office

    X Energy

    Rockville, MD
    4 days ago
  • $109k - $135k

     ...using on screen takeoff tools.Perform other duties as assigned by manager​Job Profile Minimum QualificationsBachelor’s degree in engineering is required.Typically, five plus years’ experience in engineering, project management or related industry experience.Experience utilizing... 
    Full time
    Work at office

    X Energy

    Rockville, MD
    15 hours ago
  • Transwestern is seeking an Assistant Building Engineer in Rockville, MD. The role entails completing work orders, grounds maintenance, painting, caulking, HVAC, plumbing, drywall, electrical tasks, and general preventive maintenance under the Chief Engineer's supervision... 
    Remote work

    Transwestern

    Rockville, MD
    1 day ago
  •  ...Journal 19 times Industry leader in advanced HVAC technology Strong culture of training, growth, and support HVAC Service Engineer: Responsible for providing accurate and timely service of HVAC equipment. Job Type: Full-time Workplace Type: Remote... 
    Full time
    Seasonal work
    Remote work

    Boland Trane Associates Inc & Boland Trane Services Inc

    Gaithersburg, MD
    1 day ago
  • AstraZeneca in Gaithersburg, MD is seeking a highly skilled engineer to lead and support assembly process development for medical devices...  ...across projects. The role emphasizes process characterization, design transfer, and collaboration with formulation, device, QA, and... 

    AstraZeneca

    Gaithersburg, MD
    15 hours ago
  • $269k - $328.9k

     ...Position SummaryWe are looking for an experienced Executive Director of Process Engineering to lead our cell therapy process engineering team. The Executive Director will oversee the design, scale-up, and optimization of cell therapy manufacturing processes. This is a new... 
    Full time
    Work at office
    3 days per week

    AstraZeneca

    Gaithersburg, MD
    4 days ago
  •  ...Mechanical Engineer Intern As a Mechanical Engineer Intern in our Metro D.C. office for Summer 2027, you will help us empower our clients...  ...In this role, you will have the opportunity to approach design in unconventional ways, apply your knowledge while working on... 
    Summer work
    Internship
    Work at office

    Affiliated Engineers, Inc

    Rockville, MD
    4 days ago
  •  ...Mechanical Design Engineer Vision Point Systems seeks an Mechanical Design Engineer with 0-3 years of experience in using SOLIDWORKS or comparable Computer Assisted Drawing (CAD) software. This position will primarily support the Naval Surface Warfare Center, Carderock... 

    Vision Point Systems

    Bethesda, MD
    3 days ago
  • Sealed Source And Device Reviewer The successful candidate will perform the full range of duties. The candidate will serve as a Sealed Source and Device Reviewer, responsible for safety reviews of sealed source and device applications and assist with the implementation...
    Work at office

    US Government Jobs - Other Agencies

    Rockville, MD
    3 days ago
  •  ...Mechanical Engineer Intern Join a team where engineering excellence drives opportunity. At Affiliated Engineers, Inc. (AEI), we bring together...  ...Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve... 
    Summer work
    Internship
    Work at office
    Flexible hours

    AEI

    Rockville, MD
    4 days ago
  • $81k - $122k

    Position SummaryWe are seeking a highly motivated Process Engineer to support late-stage cell therapy process development and characterization...  ...closed, automated, or high‑throughput systems. Experience designing and executing DOE and multivariate data analysis for cell... 
    Full time
    Temporary work
    Shift work

    AstraZeneca

    Gaithersburg, MD
    6 hours ago
  • JLL is hiring an Operating Engineer in Gaithersburg, MD to support government facilities operations. You will operate, maintain, and repair HVAC, electrical, plumbing, mechanical, and life safety systems, while coordinating with contractors and handling on-call shifts to... 
    For contractors
    Shift work

    JLL

    Gaithersburg, MD
    4 days ago
  • $45 - $52 per hour

     ...The Chief Engineer leads the Engineering team and oversees all building maintenance, repair, and operations to ensure a high level of tenant satisfaction, safety, and building efficiency. Essential Duties and Responsibilities: Manage all aspects of building... 
    Hourly pay
    Contract work
    For contractors
    H1b
    Work at office
    Local area
    Remote work
    Visa sponsorship
    Work visa
    Flexible hours
    Weekend work

    Lincoln Property Company

    Rockville, MD
    3 days ago
  •  ...These positions are located in Nuclear Reactor Regulation (NRR), Division of Risk Assessment and Safety Systems (DRSS), Nuclear Engineering Branch B (NEBB) and Office of Advanced Reactors (OAR). The supervisors are Nicholas DiFrancesco and Scott Krepel. These positions... 
    Work at office

    US Government Jobs

    Rockville, MD
    15 hours ago
  • ColonialWebb Contractors Company in Gaithersburg, MD is seeking a Sales Engineer who bridges engineering, strategy, and relationships to bring complex HVAC projects to life. You will develop project solutions for existing customers, prepare cost estimates and technical... 
    For contractors

    ColonialWebb Contractors Company

    Gaithersburg, MD
    2 days ago
  • Sage Hospitality Group seeks a Maintenance Engineer to join the Engineering Team at Embassy Suites by Hilton Bethesda. Carry a portable radio, stay in contact with the central base, respond to service calls, and maintain hotel equipment efficiently and safely. Responsibilities... 

    Sage Hospitality Group

    Potomac, MD
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Design Engineer. Be the first to apply!