Freelance R&D Mechanical Engineer Jobs in Tennessee

External - Posting Description Mechanical Engineer, Design (NPG) B - 518718 Organization: Nuclear Power Group Department: SQN Fleet Mech Work Location: Soddy Daisy, TN; Chattanooga, TN; Spring City, TN Relocation: Relocation is not offered for this position. Posting Open: 08/07/2026 Posting Close: 08/16/2026 11:59 PM EST Salary: Competitive Job Summary Plans, schedules, conducts, or coordinates detailed phases of mechanical engineering work in a part of a major project or in a total project of moderate scope. Performs work which involves conventional mechanical engineering practice but may include a variety of complex features such as conflicting design requirements, unsuitability of conventional materials, and difficult coordination requirements.

Work requires a broad knowledge of precedents in the specialty area and good knowledge of and practices of related specialty. As a fully competent mechanical engineer in all conventional experience aspects of the subject matter of the functional area of the assignments, plans and conducts work requiring judgment in the independent evaluation, selection, and substantial adaptation and modification of standard techniques, procedures, and criteria. Devises new approaches to problems encountered.

Required sufficient professional experience to ensure competence as a fully trained worker. Provides procurement, field engineering including walkdowns, modifications/maintenance, and testing support. Supervisory Responsibilities May supervise or coordinate the work of multidiscipline engineers, CAD Technicians, technicians, and others who assist in specific assignments.

Supervision Received Independently performs most assignments with instructions as to the general results expected. Receives technical guidance on unusual or complex problems and supervisor's approval on proposed plans for projects. Skills and Proficiencies (May be job or organization specific) Hydraulic Analysis Design Change Package Codes and Standards Procurement/Design Specs Heat Transfer Analysis Physical Installation Heat Balance Analysis Equipment Qualification Pump Selection Valve and Orifice Sizing Root Cause Analysis Fire Protection-Appendix R/ Heat Exchange HVAC Equipment Set Design Basis Knowledge MOVATS PSA Minimum Qualifications (Consistent with Classification Standard) The minimum requirements below meet or exceed ANSI/ANS 3.1-2014 standards

Education and Experience/Certificates, Licenses, and Registration Requirements Education - Bachelor's degree in mechanical engineering or other related engineering degrees from an accredited curriculum, plus appropriate continuing education. Experience - Must have demonstrated proficiency in mechanical engineering as evidenced by completion of Engineering Graduate Progression Plan or equivalent post engineering graduate education and experience (at least 2 years of related experience and 1 year of nuclear power plant experience). Certifications/Licenses - Licensed Professional Engineer desirable.

Membership in professional and technical societies is desirable. For Fire Protection Employees: must be member grade SFPE and hold all designated restrictions. Fire Protection Engineering degree is recommended.

Other Requirements - Must be able to obtain and maintain unescorted nuclear plant access and S-3 and S-4 medical qualifications when applicable. Must be able and willing to assume "on-call" rotational assignments which may include 24 hour-a-day, 7 day-a-week availability. Must be willing and medically able to work rotating shifts and maximum overtime permitted by TVAN procedures during peak periods.

Must be able and willing to travel to plant locations as required when performing assigned tasks and, as necessary, to be temporarily assigned to a field location. Equal Employment Opportunity TVA is an Equal Opportunity employer and complies with all applicable laws and regulations regarding equal employment opportunities. Any applicant or employee who believes s/he has a discrimination claim (including harassment or retaliation) must contact TVA's Equal Opportunity Compliance office within 45 calendar days of the event or action s/he believes to constitute discrimination, harassment, or retaliation.

Drug-Free Workplace All TVA Non-Nuclear employees are covered by TVA's Federal Drug-Free Workplace Program Plan, in accordance with Executive Order 12564, Public Law 100-71 and the Mandatory Guidelines for Federal Workplace Drug Testing. Information regarding the Drug Free Workplace Program can be found at www.samhsa.gov/workplace. TVA Non-Nuclear employees in Testing Designated Positions, including those performing safety-sensitive duties are also subject to random drug testing

TVA Nuclear employees are subject to random alcohol and drug tests in accordance with 10 CFR Part 26 as mandated by the Nuclear Regulatory Commission (NRC). How to Claim Vet Preference If you are requesting to be considered as a preference-eligible veteran as outlined in the application process, you must submit your military documents before the posting close date indicated above. Be sure to include all supporting documentation: Form DD214 (member 2 or member 4 copy), a Veterans Disability Rating Letter from the VA (if applicable), and a completed form TVA 3595.

If you will not get your DD214 until you are separated or retired, you can request a Statement of Service through your military personnel office. The Statement of Service must list your dates of military service, character of service, expected date of separation and any service-connected disability rating that you have been awarded from your branch of military service. Please submit your military documents each time you apply for a position.

How to Submit Documentation: Upload documents in Step 7 of the application process. Email documents to [email protected] More information about preference eligibility and a link to form TVA 3595, can be found at https://www.tva.gov/Careers/Claiming-Veteran-Preference. If you have a question about preference eligibility, please email [email protected].