Senior Mechanical Designer

Major Duties/Responsibilities

• Collaborates with researchers, engineers, and fellow designers to develop mechanical designs and solutions for one‑of‑a‑kind scientific instruments, prototypes, and experimental setups.
• As an expert user of Creo Computer‑Aided Design (CAD) software, creates robust, detailed 3D models and drawings that represent solutions to complicated manufacturing, assembly, and customer‑driven equipment functionalities.
• Applies advanced knowledge of ASME 5‑2018 standards in performing tolerance stacks to assure fit and functionality of proposed designs.
• Performs design analysis and optimization to ensure functionality, safety, and mechanical systems.
• Prepares clear, complete, and accurate working plans and detail drawings from layouts, rough or detailed sketches, electronic databases, and written or verbal instructions.
• Applies advanced knowledge of engineering codes and drafting standards against detailed drawings to ensure
• Participates in design reviews and interdisciplinary team meetings ensuring project goals are
• Pursues personal development to continually build/refine your
• As a member of the ORNL scientific community, you will be expected to commit to ORNL’s Research Code of Conduct, and a statement by the Lab Director’s office can be found at https://(Use the "Apply for this Job" box below)..
• Delivers ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and promoting equal opportunity by fostering a respectful workplace in how we treat one another, work together, and measure success.

• AS degree in an engineering‑related field with a minimum of 7 years of experience in mechanical design, and an equivalent combination of education and experience may be considered.
• Expert in Creo CAD software (mastery in other 3D programs such as Solid Works considered) with experience creating 3D models and technical drawings.

• Familiar with top‑down modeling techniques and efficient work with large assemblies.
• Utilizes best practices to incorporate MBD principles into CAD models, and incorporates these annotations/dimensions in the 2D drawings.
• Proficiency in working with ASME Y‑14.5 Dimensioning & Tolerancing standards to perform tolerance stacks.
• Working knowledge of various manufacturing techniques and their associated tolerance capabilities/limitations.
• Demonstrated proficiency at creating and completing multiple design packages that have resulted in successful product launch.
• Effective interpersonal skills and the ability to collaborate within multidisciplinary teams.
• Experience in research or scientific settings.

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80‑year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment.

These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.

ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well‑being of you and your family. Employee amenities such as onsite fitness, banking, and cafeteria facilities are also available for added convenience.

Other benefits include the following:
Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.

If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: ORNLRecruiting.

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This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third‑party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

ORNL is an equal‑opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT‑Battelle is an E‑Verify employer.