Mechanical Designer - Piping

Company OverviewIntegral Engineering Group is a woman-owned small business based in Knoxville, TN, providing multi-disciplinary engineering services to sectors including petrochemical, nuclear, energy, defense, and manufacturing. We excel in process design, safety analysis, project engineering, and technical staff augmentation, working collaboratively across chemical, mechanical, civil, electrical, and instrumentation disciplines.Position SummaryWe are seeking a Mechanical Designer to support the development of complex mechanical systems and equipment for industrial and government (DoD/DOE) projects. This role focuses on producing high-quality 3D models, fabrication packages, and plant layouts while ensuring compliance with ASME codes and applicable Federal, State, and Local standards, including DOE Orders.A strong working proficiency in Revit and AutoCAD Plant 3D is essential for success in this role, particularly for plant layout, piping systems, and equipment modeling in highly regulated environments.Key ResponsibilitiesProduce 3D equipment models and build-to-print fabrication packages for specialty and first-of-a-kind equipment using CAD software (Revit and AutoCAD Plant 3D required)Develop plant, facility, equipment, piping, and site layout general arrangement drawings including elevations, sections, and detailed viewsCreate detailed design and fabrication drawings for plant layouts, process and facility equipment, ASME piping, HVAC, plumbing, and supportsCoordinate with engineers and multidisciplinary teams to design, lay out, and resolve technical issuesInterpret and apply Federal (including DOE Orders), State, and Local codes and standardsEnsure all designs conform to applicable engineering codes and standards, including ASMECollect and compile field data; support site walkdowns and as-built documentation Assist with material takeoffs, estimates, and procurement documentation Organize and prioritize work to meet project schedules and deadlines Communicate effectively, ask clarifying questions, and contribute to a collaborative team environment Perform additional duties as assignedRequired QualificationsAssociate degree in a technical field (Mechanical Design, Drafting, or related)2–4 years of relevant industrial experience (DoD/DOE environment preferred)Relevant experience may be considered in lieu of degree requirementsDemonstrated experience using Revit and AutoCAD Plant 3D for mechanical design, plant layout, and piping systems (required)Minimum of 2 years of experience using Inventor and/or SolidWorks for complex mechanical modeling and fabrication drawingsStrong knowledge of ASME codes and standardsWorking knowledge of Federal, State, and Local codes and standards, including DOE OrdersDemonstrated competence in mechanical design fundamentals, including containment systems and sheet metal equipmentAbility to produce detailed engineering drawings and interpret technical specificationsAbility to meet defined project schedules and manage multiple prioritiesStrong communication skills and ability to work effectively in a team and hybrid environmentAbility to provide examples of prior design work Successful completion of drug screeningMust meet ITAR U.S. Person requirements (U.S. Citizen or Permanent Resident)Ability to obtain and maintain a security clearance or site badge, if requiredPreferred QualificationsFactory, field, or construction experiencePractical mechanical or fabrication skills Experience with point cloud modelingExperience performing 3D laser scanning of facilities, processes, or equipmentBenefits SummaryPaid time off - two weeks per year accrued bi-weeklyWellness: Medical, Dental, Vision, HSALife and Accidental Insurance, Short-term and Long-term disabilityCompany-matching pre-tax 401(k) retirement account with 100% vesting for eligible participants available on your first day of employment up to 4%.Employee Assistance ProgramEmployment with Integral Engineering Group is at-will. This means that either the employee or the company may terminate the employment relationship at any time, with or without cause or notice.Integral Engineering Group is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.