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Senior mechanical engineer jobs in Oak Ridge, TN

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  • Sr Mechanical Designer

    PTS Advance 4.0company rating

    Senior mechanical engineer job in Knoxville, TN

    Details: PTS is looking for a Senior Mechanical Designer with EPC experience help deliver projects within the power generation sector. In this role the Senior Mechanical Designer will work alongside key members of the team to include engineers and drafters to design additions and modifications to power generation facilities related to mechanical systems. Job Responsibilities: Develop and present detailed design models using AutoCAD Plant 3D, Inventor, SolidWorks, Revit, and/or Navisworks. Prepare comprehensive drawing packages with tools such as AutoCAD, Plant 3D, and MicroStation. Create and update Piping and Instrumentation Diagrams (P&IDs), equipment layouts, piping plans/details, pipe support details, piping isometrics, and bills of materials. Utilize laser scanning technology with Plant 3D, Navisworks, and Recap for project applications. Conduct site walkdowns to gather detailed field information, document existing equipment configurations, and perform on-site laser scans. Review and peer-check design packages developed by other team members. Provide guidance and mentorship to design team members and drafters. Job Qualifications: Engineering Technology Degree or Certification in drafting 7+ years of experience in piping and plant design Working knowledge of applicable industry codes to include ASME B31.1, ASME B31.3, NFPA, ANSI and API Able to travel for project meetings and site visits
    $95k-116k yearly est. 60d+ ago
  • Senior Mechanical Design Engineer (3621)

    Navarro Inc. 4.0company rating

    Senior mechanical engineer job in Oak Ridge, TN

    Job Description Navarro Research and Engineering is recruiting for a Senior Mechanical Design Engineer in Oak Ridge, TN. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions for complex challenges in the nuclear and environmental fields. Joining Navarro means being a part of an exceptional team committed to quality and safety while also looking for innovative strategies to create value for the client's success. Headquartered in Oak Ridge, Tennessee, Navarro has active programs in place across the nation for DOE/NNSA, NASA, and the Department of Defense. We are seeking a Senior Mechanical Design Engineer who specializes in designing and optimizing piping and mechanical systems within process-control environments that handle liquids or gases. This role demands extensive experience in fluid dynamics, equipment specification, and structural analysis. The successful candidate will lead innovation in system design with minimal supervision, ensuring projects meet operational, regulatory, and safety targets from conception through final realization. Key Responsibilities Lead the design, construction, and maintenance of facility piping systems, including rigorous component sizing and equipment selection (pumps, motors, heaters, blowers, valves, etc.). Model pressure, flow, and thermal effects (steady‐state and transient) using CFD, FEA, and related tools; validate piping integrity under static and dynamic loads, and perform pipe-stress/structural analyses. Develop, review, and red-line mechanical and piping drawings, plans, and specifications derived from engineering calculations; ensure compliance with codes, standards, and regulatory requirements. Plan, schedule, conduct, and coordinate detailed phases of engineering work for major projects or for entire projects of moderate scope; prepare ROMs and detailed cost estimates, compile equipment specifications, and generate procurement documentation. Participate in safety reviews, quality-assurance activities, training sessions, and regulatory audits; drive continuous improvement by integrating emerging technologies and best practices. Produce technical reports, literature reviews, and progress updates; present findings and status briefings to stakeholders and senior management. Direct the work of technical support staff and mentor junior engineers in mechanical and fluid-system design; guide troubleshooting and modifications to resolve equipment malfunctions. Perform additional related tasks as assigned. Requirements Five to twelve (5 - 12) years of mechanical design-engineering experience with a strong focus on piping and fluid systems (industrial liquid or gas processes). Demonstrated expertise in pressure-drop calculations, fluid-flow optimization, and equipment sizing/selection. Proficiency in static and dynamic piping analyses, including pipe-stress and support-structure calculations. Prior experience in highly regulated or process-driven industries (nuclear, chemical processing, oil & gas, HVAC, etc.). Familiarity with relevant codes and standards (ASME or equivalent) and proven ability to integrate them into efficient designs. Strong in fluid mechanics, thermodynamics, and materials science. Proven history of analytical, problem-solving, and project-management skills; effective oral and written communication; collaborative mindset when working with cross-functional teams. Education & Certification Bachelor's degree in Mechanical Engineering (or a related field) from an accredited institution - or equivalent combination of education and experience. Professional Engineer (PE) licensure and/or certifications in project management or quality are advantageous but not required. Additional Requirements Ability to obtain and maintain a DOE Q-level security clearance. Due to the nature of the government contract requirements and/or clearances requirements, US citizenship is required. Navarro is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender, age, sexual orientation, gender identity, status as a protected veteran, or status as a qualified individual with a disability. EEO Employer/Vet/Disabled Benefits Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k, IRA) Life Insurance (Basic, Voluntary & AD&D) Paid Time Off (Vacation & Public Holidays) Short Term & Long Term Disability
    $91k-115k yearly est. 12d ago
  • Senior Mechanical Facilities Design Engineer

    Merrick 4.7company rating

    Senior mechanical engineer job in Oak Ridge, TN

    Merrick & Company's Nuclear Services & Technology team provides full service nuclear design solutions to the federal government (DOE, NNSA, and NIST), nuclear research, and nuclear medicine. Merrick is seeking a highly motivated, team oriented Mechanical Engineer to support our operations in our Aiken, SC or Oak Ridge, TN office. Client projects for this position require U.S. Citizenship. WHAT YOU'LL DO The successful candidate will design HVAC and Plumbing/Piping system for a variety of facility projects. Tasks include developing design calculations, process flow diagrams, sequences of operation, equipment selection and layout, ductwork and piping sizing and layout, support of project proposals, interdisciplinary coordination and participating of QA/QC process. Part time efforts will be devoted to site inspection and construction administration. This position is primarily a leadership role and will be part of a design team environment. * Must be willing to work in a design team environment, including directing the work of junior engineers and designers, and delegating work as required as well as take design direction from senior-level engineers * Interdisciplinary coordination * Develop calculations, flow diagrams, and specifications * Size and layout ductwork, hydronic and plumbing piping systems * Lead QA/QC processes * Proficient with codes, standards and guidelines REQUIRED QUALIFICATIONS * Bachelor's degree (B. S.) in Mechanical Engineering from an A.B.E.T. accredited program. * A minimum of twelve (12) years related experience. * Candidate must have their PE license. * Must understand the importance of Business Development, project management for A-E firms, managing to fee and demonstrate skills in a multi-discipline teams. * Position requires the ability to manage other engineers and designers. * Experience interfacing with client contacts. * Strong experience with thermal load calculation and energy modeling for mechanical systems. * Strong experience in calculating and sizing of mechanical equipment including AHUs, fans and pumps. * Strong experience in sizing and laying out ductwork and hydronic piping systems. DESIRED QUALIFICATIONS To perform the job successfully, an individual should demonstrate the following competencies: 1. Analytical - Synthesizes complex or diverse information; Collects and researches data; Uses intuition and experience to complement data; Designs work flows and procedures. 2. Design - Generates creative solutions; Translates concepts and information into design; Uses feedback to modify designs. Demonstrates attention to detail. 3. Problem Solving - Identifies and resolves problems in a timely manner; Gathers and analyzes information skillfully; Develops alternative solutions; Works well in group problem solving situations; 4. Technical Skills - Assesses own strengths and weaknesses; Pursues training and development opportunities; Strives to continuously build knowledge and skills; Shares expertise with others. 5. Team Work - Balances team and individual responsibilities. 6. Written Communication - Writes clearly and informatively; Edits work for spelling and grammar; Presents numerical data effectively; Able to read and interpret written information. 7. Verbal Communication - Able to clearly communicate to others at all levels within the organization. 8. Adaptability - Adapts to changes in the work environment and meets expectations for attendance and punctuality. PERKS * Employee Owned - all eligible U.S. employees have an Employee Stock Ownership Account. * Robust Employee Referral Program. * Annual performance and compensation reviews. * Professional Training and Development. * Employee Recognition Awards. * Peer Mentor Program * And Much More! PHYSICAL REQUIREMENTS * Requires the ability to sit or stand for extended periods at a computer workstation. * The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. * Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. ADDITIONAL INFORMATION * Apply online only. No e-mail, hard copy or third-party resumes accepted. * At Merrick, every resume is carefully reviewed by our team of experienced human recruiters-never by AI. We are committed to a fully human-centered hiring process, ensuring each candidate receives thoughtful, personalized attention at every stage. * Merrick & Company offers a competitive compensation and benefits package which includes health insurance, dental and vision coverage, 401(k), and paid time off (PTO). * Merrick is an Equal Opportunity Employer, including disability/vets. * Employment with Merrick is contingent upon completion of a pre-employment background check, MVR check, and drug screen. * Bachelor's degree (B. S.) in Mechanical Engineering from an A.B.E.T. accredited program. * A minimum of twelve (12) years related experience. * Candidate must have their PE license. * Must understand the importance of Business Development, project management for A-E firms, managing to fee and demonstrate skills in a multi-discipline teams. * Position requires the ability to manage other engineers and designers. * Experience interfacing with client contacts. * Strong experience with thermal load calculation and energy modeling for mechanical systems. * Strong experience in calculating and sizing of mechanical equipment including AHUs, fans and pumps. * Strong experience in sizing and laying out ductwork and hydronic piping systems. The successful candidate will design HVAC and Plumbing/Piping system for a variety of facility projects. Tasks include developing design calculations, process flow diagrams, sequences of operation, equipment selection and layout, ductwork and piping sizing and layout, support of project proposals, interdisciplinary coordination and participating of QA/QC process. Part time efforts will be devoted to site inspection and construction administration. This position is primarily a leadership role and will be part of a design team environment. * Must be willing to work in a design team environment, including directing the work of junior engineers and designers, and delegating work as required as well as take design direction from senior-level engineers * Interdisciplinary coordination * Develop calculations, flow diagrams, and specifications * Size and layout ductwork, hydronic and plumbing piping systems * Lead QA/QC processes * Proficient with codes, standards and guidelines
    $91k-113k yearly est. Auto-Apply 49d ago
  • Mechanical Engineer

    Actalent

    Senior mechanical engineer job in Oak Ridge, TN

    Job Title: Mechanical EngineerJob Description This position offers design engineering support to a fuel production facility, spanning from research and development to system design, installation, testing, and maintenance. The role is integral in the design, assembly, testing, and maintenance of mechanical and process equipment, aiding in the design and licensing of the facility. Responsibilities * Create designs for various process support systems including chemical, piping, HVAC, ventilation, structural, electro-mechanical, automation, and robotics. * Perform load calculations, system sizing, equipment selection, and layout of ductwork and piping. * Support process, facility design, and fuel development teams. * Create and document engineering designs such as requirements, specifications, mechanical drawings, process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and engineering calculations. * Conduct energy modeling, simulations, and engineering calculations to enhance efficiency and sustainability. * Ensure all designs meet regulatory and safety standards. * Coordinate with design teams to ensure seamless integration of HVAC and other mechanical systems. * Work with contractors to clarify design intent, resolve technical issues, and provide solutions to site challenges. * Select and order parts for process systems such as motors, drives, sensors, pumps, and valves. * Assemble parts to build prototype designs. * Operate process equipment to perform design verification and validation. * Conduct quality assurance checks and site inspections to verify work compliance. * Perform design engineering activities to support fuel manufacturing including reliability, maintenance, process improvement, failure analysis, and cost estimation. * Develop standard operating procedures and maintenance plans for process equipment and support systems. * Participate in teams to develop standardized engineering workflows and documentation. * Maintain professional demeanor and behavior in all forms of communication. * Lead the execution of core tasks and responsibilities with some latitude for independent judgment. * Provide feedback and guidance to junior team members. * Lead small groups of engineers to solve complex technical problems and deliver high-quality engineering work products on time and within budget. * Perform other duties as assigned. Essential Skills * Ability to review and validate P&ID drawings. * Knowledge of relevant codes and standards. * Ability to make minor design changes and calculations. * Experience in highly regulated industries such as nuclear, government, pharmaceutical, and chemical. * Bachelor's degree in mechanical, chemical, or nuclear engineering from an ABET EAC accredited program. * CAD and P&ID experience. * Experience with facility design, construction, and operation. * Typically, ten years of experience in an engineering role including machine, process, or facility design and assembly. Additional Skills & Qualifications * Master's degree in engineering or related field may be in lieu of two years of experience. * Ph.D. in engineering or related field may be in lieu of three years of experience. * Knowledge of mechanical and/or chemical engineering concepts including design, manufacture, installation, assembly, and operation of equipment and systems. * Knowledge of manufacturing facility design including lean manufacturing approaches. * Extensive knowledge of applicable codes and standards pertinent to mechanical and/or process designs. * Proficiency with AutoCAD, Revit, Carrier HAP, Trace TRACE, or similar design and simulation software. Work Environment This role requires work in an on-site office environment. Job Type & Location This is a Contract to Hire position based out of Oak Ridge, TN. Pay and Benefits The pay range for this position is $48.00 - $75.00/hr. 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) Workplace Type This is a fully onsite position in Oak Ridge,TN. Application Deadline This position is anticipated to close on Dec 31, 2025. 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 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. 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 due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
    $48-75 hourly 7d ago
  • Senior Mechanical Engineer

    Mesa Associates, Inc. 4.7company rating

    Senior mechanical engineer job in Knoxville, TN

    Job Description GIG General / Generation Industrial & Government Disclaimer: Be cautious and only respond to emails from our “mesainc.com” domain. We will never ask for sensitive information, such as bank account details, SSN, etc., via email. If you receive any communication asking for such information, it is not from Mesa. For any concerns, or to verify the authenticity of a message, please contact us through our official channels. We've got the power to energize your career and spark YOUR work/life balance through professional development and exceptional benefits. Don't delay, plug in today for an inclusive and meaningful career. Mesa Associates, Inc. is a woman/minority-owned full service engineering, procurement, & construction management firm covering power, defense, aerospace, industrial, commercial and municipal entities. We specialize in power generation and delivery services including electrical high-voltage, substations, switchyard, transmission line, & distribution design. We have been in the top 10 of EC&M's Top 40 Electrical Design Firms since 2012. With over 1,000 associates, we are big enough to perform, but small enough to care! Mesa Associates, Inc. is seeking a Senior Mechanical Engineer to join our team based in Knoxville, TN in delivering a wide range of projects for our Generation, Industrial, and Government clients. Experience with design, engineering, procurement, and construction processes in multi-discipline projects is required. The ideal candidate will have expertise across various mechanical systems and possess an aptitude for leading and supporting multiple design projects simultaneously, from concept through implementation. They understand the steps, effort, and additional resources required to successfully execute their work. They can work independently with limited supervision to complete projects ranging from small with short delivery to large and complex. Excellent written and verbal communication skills with internal and external clients is required. The candidate must be well organized, skilled in critical thinking, able to quickly recognize issues, and ready to provide solutions. Preferred qualifications of this position include, but are not limited to: Expert knowledge in standard engineering techniques and procedures. Strong knowledge of mechanical design codes (ASME, ANSI, API, NFPA). Proficient computer skills (e.g. Microsoft Office Suite). Additional software skills including Bluebeam, MicroStation, AutoCAD, Vault, Plant3D, Inventor, ReCap, SolidWorks, FARO Scene, and other 3D rendering programs preferred. The development and review of engineering calculations, design criteria and performing/Checking calculations on various systems and software packages Experience with Detailed Stress Analysis - In depth analysis of piping systems, custom piping components, or fabrication assemblies utilizing AutoPIPE, Caesar II, Paulin PRG, Nastran, Inventor, and/or SolidWorks Experience with Hydraulic Analysis, including pump and piping system analysis, utilizing manual methods and PipeFLO or Fathom software. This should include single phase, two phase and gravity flow conditions Tank and Vessel Design - ASME BPVC and API Standards Excellent written and verbal communication skills. Experience with leading the discipline design for large projects and delegating work tasks to team members. Ability to lead execution of work and resolve issues in a team environment. Demonstrated critical thinking skills, ability to work methodically and analytically in a quantitative problem-solving environment. Applies knowledge and experience to complex projects, finding non-standard design solutions. Strong attention to detail, facilitation, team building, collaboration, organization and problem-solving skills. Ability to perform quality reviews for detailed engineering documents and specifications. Successful candidates will be: Well organized and self-motivated to complete tasks within agreed schedules. Creative thinkers with the ability to judge between alternate solutions to provide the optimal solution. Available to work overtime as necessary to meet project schedules and commitments. Available to travel out of town for project meetings and site visits. Safety consciousness and will strictly adhere to company and client safety standards. Educational/Experience/Licensure: BSME from an ABET accredited college/university Minimum of ten (10+) years of experience primarily in piping and plant design Professional Engineer (PE) License Required Working knowledge of applicable industry codes and standards including but not limited to ASME B31.1, ASME B31.3, NFPA, ANSI and API. Responsibilities: Preparation and completion of discipline engineering designs and supporting documents such as design criteria, calculations, drawings, and specifications. Assist in the definition of project objectives, preparation of design estimates, and definition of project requirements and routine design approaches. Responsible for scoping, estimating, organizing, executing, and coordinating engineering projects, which may have unique or complex technical or project execution requirements. Performs technical and coordination checking review of deliverables and other project documents and ensures deliverables comply with company procedures and applicable design requirements. Direct overall project design and supervise development of project design and engineering documents associated with assigned project. Apply basic knowledge of system design principles and practices to develop a complete and accurate design package. Possess in depth working knowledge of mechanical systems and innerworkings - Boilers, Tanks/Vessels, compressors/blowers, HRSG, Turbines, Major and Minor Piping Systems, pumps, etc. Perform walkdowns and collects detailed field information related to site configuration, existing equipment data, and scoping efforts. Perform technical and coordination checking/review of deliverables and other project documents. Prepare calculations using engineering formulas and skills or application of specific software as required. Notice to External Search Firms: Mesa Associates, Inc. and its subsidiaries do not accept unsolicited resumes and will not be obligated to pay a placement fee for unsolicited resumes. Mesa Associates, Inc. Talent Acquisition engages with approved search firms directly for specific hiring needs.
    $96k-127k yearly est. 28d ago
  • Mechanical / HVAC Designer

    Amentum

    Senior mechanical engineer job in Oak Ridge, TN

    As a mid-level Mechanical / HVAC Designer in the Amentum Nuclear Projects and Consulting business unit you will work with Senior level designers to create HVAC equipment, ductwork and piping 3D models. Additional responsibilities will include coordination with other disciplines working in BIM models, working with mechanical engineers, and designers/engineers in other disciplines to deliver a fully coordinated and collaborated project. Designer will be responsible for creating the design deliverables such as orthographic and isometric drawings. Additionally, designers will assist in interference detection and resolution as well as ensuring proper integration with other tools. * High School Diploma/GED * 5+ years using BIM tools for Plant such as: SmartPlant 3D, Revit, BIM/3D software, etc… * Proficiency using design software such as: AutoCAD, and MicroStation * Industrial HVAC ductwork and piping layout design experience * General understanding of Building Mechanical Systems: HVAC/Piping/Plumbing Preferred Qualifications: * In addition to the Basic Qualifications the ideal candidate might also have: * 5 or more years of experience preferred. * Trade School or Associates Degree * Strong communication skills. * Exhibit integrity and the highest quality in all activities * Self-motivated, team-focused professional * Self-starter with the ability to learn new design software * Previous nuclear and industrial design experience * Attention to detail Essential Functions Work Environment Office environment. (95%) Telework is not an option for this role, all work performed from secure office environment. May be exposed to areas of high noise levels, hazardous propellants, explosives, chemicals and industrial facilities. Physical Requirements: Appropriate PPE and training will be provided for all conditions. Must be able to move and sit for extended periods (100%) as well as and lift up to 35 lbs (25%).Vision correctable to 20/20. Candidate must have the ability to read and use SmartPlant design software unassisted. Equipment and Machines: Standard office equipment - PC, telephone, fax, copier, job related software (SmartPlant design) and other related equipment (90%) Attendance: Regular attendance mandatory (100%) Overtime/work outside normal schedule required (as needed) Travel required ( OTHER ESSENTIAL FUNCTIONS U.S. Citizenship required. No dual citizens. Valid driver's license is required. Must be able to work in a team atmosphere. Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation. Must be familiar with and comfortable working in a team environment. Appropriate grooming and dress code acceptable for a customer environment is necessary. Must be able to obtain and maintain a security clearance as required.Must take and passa pre-employment drug and background check. #NPC
    $54k-74k yearly est. 20d ago
  • Sr Mechanical Engineer

    Design Hire LLC

    Senior mechanical engineer job in Knoxville, TN

    Job Description We're seeking a Senior Mechanical Engineer who brings deep technical expertise in heavy industrial systems and the engineering codes that govern them. This role will lead complex mechanical and piping design efforts, perform advanced analysis, and guide projects from concept through detailed engineering. It's an ideal opportunity for an experienced engineer who enjoys solving large-scale mechanical challenges and working across multidisciplinary teams. Key Responsibilities Lead mechanical system and piping design efforts, including development of P&IDs, specifications, and detailed engineering packages. Perform stress, hydraulic, and mechanical analyses for piping systems, tanks, vessels, and rotating equipment. Provide technical oversight on mechanical process design and equipment selection, including pumps, turbines, and compressors. Review deliverables for accuracy, compliance with industry codes, and alignment with project objectives. Collaborate with project managers, discipline engineers, and clients to ensure coordinated and efficient execution. Qualifications Bachelor's degree in Mechanical Engineering; advanced degree a plus. 10+ years of mechanical engineering experience in heavy industrial environments. Professional Engineer (PE) license required. Strong understanding of mechanical engineering codes, standards, and industrial best practices. Experience with tank and vessel design and analysis. Proven capabilities in mechanical system design and engineering documentation. Familiarity with process equipment such as pumps, turbines, and compressors. Excellent communication skills and ability to support cross-functional coordination. Equal Opportunity Statement Design Hire is proud to be an Equal Employment Opportunity / Affirmative Action employer. It is our policy to consider for employment all individuals regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, gender, sex, sexual orientation, gender identity and/or expression, genetic information, veteran status, or any other characteristic protected by federal, state or local law. Employment Eligibility If hired, a Form I-9 Employment Eligibility Verification must be completed at the start of employment. Temporary work authorization or the need for sponsorship may disqualify you from employment.
    $81k-107k yearly est. 9d ago
  • Senior Mechanical Engineer- Plasma Fueling

    Type One Energy

    Senior mechanical engineer job in Knoxville, TN

    Join us in our mission to commercialize fusion energy ⚡️ Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture-backed in 2023, the company is led by a team of globally recognized fusion scientists with a strong track record of building state-of-the-art stellarator fusion machines, together with veteran business leaders experienced in scaling companies and commercializing energy technologies If you are searching for the best new ideas and share our vision, join us as a “Senior Mechanical Engineer- Plasma Fueling”. This is what you need to know: Location: Knoxville, TN Salary: Highly Competitive Plus Benefits Contract: Permanent, full time Reporting to: Engineering Resource Manager Your role in the mission: Type One Energy is seeking an experienced Senior Mechanical Engineer to join our Plasma Fueling Team. This role is ideal for an Engineer with strong system design experience who is motivated to grow into technical ownership of key projects. The successful candidate will contribute to the design, development, and testing of complex mechanical systems operating in ultra-high vacuum (UHV), cryogenic, and hydrogen environments, while advancing the technology readiness level (TRL) of critical plasma fueling components. This role requires close collaboration with plasma physicists, engineers, safety specialists, and external suppliers. Lead and support concept development, trade studies, and design optimization for plasma fueling systems. Design complex, integrated mechanical systems compliant with national and international codes, standards, and safety requirements Advance system and component TRL through structured design phases, testing, and gate reviews Produce high-quality CAD models, engineering drawings, and GD&T-compliant documentation Perform thermal, structural, and sensitivity analyses using analytical and numerical methods (FEA) Develop and execute laboratory test plans, including functional testing, data acquisition, and design of experiments (DOE) Participate in and lead design reviews, risk assessments, and TRL evaluations Author technical reports, test plans, quality plans, and scopes of work Support supplier selection, technical oversight, and integration of procured components Apply safety-by-design principles, including hydrogen and cryogenic safety considerations Communicate technical concepts clearly through presentations and written documentation Collaborate across disciplines to integrate plasma fueling systems into the broader fusion device architecture What you'll need Bachelor's or Master's degree in Mechanical Engineering or a related field Mid-career experience designing mechanical systems for UHV, cryogenic, hydrogen, or nuclear environments Demonstrated experience with requirements generation, concept selection, and system integration Strong proficiency in CAD, FEA, and GD&T Experience advancing hardware through TRL phases, including testing and formal reviews Hands-on experience with laboratory testing, instrumentation, and data acquisition Ability to independently author technical documentation and interface with cross-functional teams Strong analytical, organizational, and problem-solving skills Desired Qualifications: Cryogenic systems design and thermal analysis HV/UHV system design experience Hydrogen safety experience Basic knowledge of tritium handling and fusion fuel cycles Experience with project management and schedule coordination Background in commercialization environments, including gated development processes Supplier management and external partner interaction Experience with complex, tightly integrated systems Creative, “out-of-the-box” engineering mindset Fusion or advanced energy system experience (bonus) We offer: In addition to a basic salary and yearly bonus, you will also get… Stock and share options 📈 Relocation allowance 💰 Insurance plans 🩺 401k retirement options 💸 And many more great voluntary benefits 👀 Type One Energy applies proven advanced manufacturing methods, modern computational physics and high-field superconducting magnets to develop its optimized stellarator fusion energy system. Its FusionDirect development program pursues the lowest-risk, shortest-schedule path to a fusion power plant over the coming decade, using a partner-intensive and capital-efficient strategy. Type One Energy is committed to community engagement in the development and deployment of its clean energy technology. For more information, visit ********************* or follow us on LinkedIn. Equal Opportunity Statement Type One Energy is an equal opportunity employer. We value diversity, searching for the best new ideas and remaining open to unique perspectives. Therefore, all qualified applicants will receive consideration for employment independent of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other characteristics protected by applicable federal, state, or local laws. All qualified individuals are encouraged to apply.
    $81k-107k yearly est. 7d ago
  • AFC Mechanical Design Engineer

    Kelvion

    Senior mechanical engineer job in Knoxville, TN

    ESSENTIAL DUTIES AND RESPONSIBILITIES include the following: * Design air-cooled heat exchangers per customer specifications, American Society of Mechanical Engineering (ASME), American Petroleum Institute (API) 661, American Society of Civil Engineering (ASCE), and American Institute of Steel Construction (AISC) Codes and Standards. * Prepare design calculations and customer drawings for the above scope of work. This includes calculations for box headers, structural loads and steel member strength; creating the tube layout, generating detailed box header drawings, designing the fan drive, generating bundle and plan & elevation drawings, and generating weld inspection maps. * Communicate with sales, customer, shop and detail drafters. * Regular attendance, ability to arrive at work punctually, ability to work on-site, ability to work overtime. * Ability to work cooperatively with others, ability to deal respectfully with the public, customers, vendors, other employees, managers, and executive management. * Ability to perform multiple tasks concurrently, ability to work in a fast-paced environment, ability to interchange with others in the department. SUPERVISORY RESPONSIBILITIES This job has no supervisory responsibilities. QUALIFICATIONS To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. EDUCATION and/or EXPERIENCE * Bachelor of Science degree (B.S.) in Mechanical Engineering (or related field) from four-year college or university, or a minimum of 10 years related experience, or equivalent combination of education and experience. * Good drafting skills. * Computer skills must include Windows, AutoCAD (or equivalent), Inventor (or equivalent), MathCAD, Outlook, Excel and Word. * Willing and able to learn CALQLYS (internal air cooler design software). * Knowledge of American Society of Mechanical Engineering, Boiler Pressure Vessel Code (Section VIII, Division 1), American Petroleum Institute (API) 661, American Society of Civil Engineering (ASCE) and American Institute of Steel Construction (AISC). * General knowledge of welded steel fabrication practices. LANGUAGE SKILLS Ability to read, analyze, and interpret general business periodicals, professional journals, technical procedures, or governmental regulations in English. Ability to write reports, business correspondence, and procedure manuals in English. Ability to effectively present information and respond to questions from groups of managers, clients, customers, and the general public. MATHEMATICAL SKILLS Ability to apply advanced mathematical concepts such as exponents, logarithms, quadratic equations, and permutations. Ability to apply mathematical operations to such tasks as frequency distribution, determination of test reliability and validity, analysis of variance, correlation techniques, sampling theory, and factor analysis. REASONING ABILITY Ability to define problems, collect data, establish facts, and draw valid conclusions. Ability to interpret an extensive variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables. PHYSICAL DEMANDS The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this Job, the employee is regularly required to sit; use hands to finger, handle, or feel and reach with hands and arms. The employee is frequently required to stand and talk or hear. The employee is occasionally required to walk; climb or balance and stoop, kneel, crouch, or crawl. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, depth perception and ability to adjust focus. WORK ENVIRONMENT The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this Job, the employee is occasionally exposed to wet and/or humid conditions; moving mechanical parts; high, precarious places and vibration. The noise level in the work environment is moderate. Nothing in this position description restricts management's right to assign or reassign duties and responsibilities to this job at any time. You will be evaluated in part based upon your performance of the task listed in this , as well as other tasks assigned to you. The job description is not a contract for employment, and either you or the employer may terminate employment at any time, for any reason. At Kelvion we thrive on collaboration, embracing diversity of thought, and valuing every voice. Within Kelvion creativity shines because people are listened to, their contributions recognised, and their ideas welcomed. Our flexible approach to the way we work places people's health and satisfaction as a priority, enhancing engagement and fostering career opportunities. We empower engaged individuals to grow, progress and carve their own paths within the company. Together, We Shape the Future
    $64k-80k yearly est. 60d+ ago
  • Mechanical Engineer, Sr.

    Centrus Energy 3.9company rating

    Senior mechanical engineer job in Oak Ridge, TN

    Reporting directly to the Engineering Manager, applicant will be responsible for supporting scopes of work activities associated with components, assemblies, and machines in the Centrifuge Project. Provides support to the Centrifuge Program to accomplish goals and objectives while ensuring compliance to Centrus standards and practices. What You Will Be Doing: * Assist in designing, building, and troubleshooting the following * High vacuum systems * Helium leak detection equipment * Composite parts and assemblies * Machined parts and assemblies * Assist in design and analysis of structural and dynamic systems * Design manufacturing equipment as needed for manufacturing activities * Develop specifications for fabrication materials and equipment * Assist in the creation, review, and approval of engineering packages to be used for fabrication * Establish procedures for assembly and repair of fabricated components * Drive process improvement activities for internal activities and external suppliers * Manage multiple priorities and ensure that deliverables are met within schedule and budget * Adheres to company policies, procedures, code of conduct, security, and environmental and safety program requirements * Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing We'd Love to Hear from Candidates With: * Bachelor's degree in Mechanical, Chemical, Nuclear, or Aerospace Engineering. * 3-5 years of experience in a professional environment * a Masters may be used to substitute for experience Stronger Candidates Will Have: * Experience with lean manufacturing * Project Management experience * Masters degree in Mechanical, Chemical, Nuclear, or Aerospace Engineering * 3-5 years CAD experience (SolidWorks experience a plus) * Experience using FEA (Ansys experience is a plus) * Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance * Centrifuge design, test, and/or manufacturing experience is a plus * Experience with QL-1 or QL-2 quality parts/systems In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. This position will require a pre-employment background check and a pre-employment drug test. Centrus Energy and all subsidiaries shall abide by the applicable legal requirements. We prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity or national origin. This position requires the successful candidate to obtain and maintain a Q security clearance. Candidates for positions requiring a security clearance are required to be tested for the absence of any illegal drug as defined in 10 CFR 707.4 prior to an offer of employment being made. In addition, once employe, employees will become part of a random drug testing program and may also be tested in the event of any incident causing injury or causing damage to property, or if it is determined that there is a reasonable suspicion the employee is under the influence of drugs or alcohol. This position will require preemployment background check on the part of the Company and in order to receive a Q security clearance, a background investigation by the Federal government. Subsequent Federal government reinvestigations may be required. Centrus Energy Corp. is an Equal Opportunity Employer
    $87k-113k yearly est. Auto-Apply 60d+ ago
  • Mechanical Design Engineer (Boating)

    Laborup

    Senior mechanical engineer job in Vonore, TN

    Job Description We're hiring a Mechanical Design Engineer to lead the development of high-performance hulls, decks, and structural components for our next generation of tournament-ready sport fishing boats. This is a hands-on engineering role focused on both hull, deck, and small parts design and development and the integration of structural and mechanical components, combining yacht-grade craftsmanship with race-proven performance. You'll take projects from sketch to sea trial, creating 3D CAD models, supporting tooling and lamination planning, and collaborating with production to bring your designs to life. Hull and deck geometry will be central to your work, from performance prediction and structural integrity to fit-and-finish and ergonomics. You'll also help define the mechanical and propulsion system layouts within those designs, ensuring seamless integration with real-world manufacturability. Ideal candidates bring a deep understanding of fiberglass and composite construction methods, a passion for boat performance and ride quality, and the communication skills to work cross-functionally across engineering, tooling, production, and quality. This is a fast-paced, detail-oriented environment for engineers who want full ownership of the product and the pride of seeing their work on the water. Benefits $95k - $115k Health, dental, and vision insurance 401(k) retirement savings plan Paid time off, holidays, and personal leave Requirements Responsibilities New Product Development - Drive boat design projects from concept to production, supporting everything from layout and structure to system integration. 3D CAD Design - Develop detailed CAD models and engineering drawings of Fiberglass Reinforced Products (FRP) components, mechanical assemblies, and boat systems using NX or Solid Edge. Design for Manufacturability (DFM) - Apply DFM principles to ensure designs can be efficiently produced using fiberglass layup, CNC machining, and modular assembly processes. Performance Engineering - Design propulsion layouts and mechanical systems with performance prediction and real-world use in mind. BOM & Drawing Management - Create and manage engineering BOMs and detailed drawing packages to support production, purchasing, and service. Prototype Testing - Assist in prototype builds and on-the-water testing to validate designs, collect feedback, and implement performance or structural changes. Tooling & Vendor Support - Coordinate closely with tooling suppliers to ensure manufacturability, fit, and structural performance of fiberglass parts. Production Support - Collaborate with process engineering and quality teams to troubleshoot issues on the floor and implement design improvements. Continuous Improvement - Lead model changes, upgrades, and product improvements after launch, ensuring each boat evolves with customer expectations. Cross-Team Communication - Coordinate closely with Sales, Purchasing, and Service teams to ensure product consistency, customer alignment, and support readiness. Documentation & Folder Maintenance - Maintain complete and updated project folders, ensuring traceability and organized documentation throughout the lifecycle. Qualifications Required Education - Bachelor's degree in Mechanical Engineering, Naval Architecture, or related field Experience - Minimum 4 years of marine or vehicle product designexperience CAD Proficiency - Strong background in 3D CAD modeling and drawing development Prototyping Experience - Familiarity with low-volume or one-off prototyping processes, including rapid iteration and hands-on testing. Mechanical Aptitude - Experience designing propulsion systems, structural elements, and mechanical layouts in a production setting. Lean Mindset - Familiarity with lean manufacturing or continuous improvement principles is beneficial. Team Collaboration - Strong communication and coordination skills across engineering, production, and support teams. Hands-On Orientation - Comfortable working in both office and manufacturing environments, with an interest in prototyping and testing. Preferred Marine Engineering - Experiencer in recreational marine engineering Specific CAD Software - NX or Solid Edge Composite Knowledge - Working knowledge of composite fiberglass construction and tooling design Project Management - Manage timelines, deadlines, and updates across cross-functional engineering teams. Benefits Benefits $95k - $115k Health, dental, and vision insurance 401(k) retirement savings plan Paid time off, holidays, and personal leave
    $95k-115k yearly 13d ago
  • Mechanical engineering intern/co-op (on-track for full-time)

    Roadrunner Venture Studio

    Senior mechanical engineer job in Knoxville, TN

    Job DescriptionCompany info. Build big; build fast. Directly fabricating large components on-site minimizes transport and assembly labor, forever simplifying construction and supply chains. But realizing that future requires new materials that are strong, low-cost, and can be manufactured with unprecedented speed and reliability. Fiber-reinforced polymer composites (FRPs) have untapped potential for building big because unlike metals, their properties and processing are independent of each other. FRP processing can be hacked by innovations in resin chemistry. Perseus, established 2022, is a start-up out of Stanford University that uses proprietary resin chemistry for on-site manufacturing of oversize high-performance FRPs for buildings, bridges, wind turbines, and other applications in infrastructure and energy. We work closely with Oak Ridge National Laboratory and have support from the National Science Foundation, the Department of Energy, and ARPA-E. Check out of recent coverage on Core Memory: This Machine Could Be A US Manufacturing Breakthrough. What You'll Do As a Mechanical engineering intern/co-op, you'll be at the heart of our R&D and prototyping efforts. You'll work closely with engineers and designers to bring ideas to life, test new processes, and help shape the future of our products. Responsibilities: Assemble machines, jigs, and fixtures for experimental setups according to engineering specs Maintain, improve, and operate 3-d printers and other tooling including molds Assist in testing and troubleshooting machinery subsystems Assist in material testing and data collection for experimental trials Assist in shop organization, tool storage, etc. What We're Looking For: Familiarity with machine building and machine shop operations CAD experience, preferably SolidWorks Ability to read technical drawings and schematics Comfortable working in a shop environment-dust, grease, and grit don't scare you Self-starter who can operate with minimal direction and take initiative Naturally curious and eager to learn new tools, materials, and techniques Experience in a startup or R&D environment Designing and prototyping mechanical, electronic, and/or mechatronic projects Experience with composite materials Roadrunner Venture Studios is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. We do not make hiring or employment decisions on the basis of race, color, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender-identity, sexual orientation, disability, age, military or veteran status, or any other basis protected by applicable local, state, or federal laws or prohibited by Company policy. We strive for a healthy and safe workplace and strictly prohibit harassment of any kind.
    $37k-53k yearly est. 20d ago
  • Mechanical Engineering Intern

    Aptim 4.6company rating

    Senior mechanical engineer job in Knoxville, TN

    We are seeking a motivated and detail-oriented Mechanical Engineering Intern to support our engineering team with design, analysis, testing, and documentation of mechanical systems and components. This internship provides hands-on experience working on real-world engineering projects in a collaborative environment and will perform a variety of engineering work in the initial planning and design phases of projects. This is a temporary position. Key Responsibilities/Accountabilities: Work activities include collection and interpretation of engineering data, development of project design basis, development of specifications, and performance of detailed engineering. Ensures conformance to applicable engineering codes and standards as well as company policies and procedures. Is aware of costs and schedule related to own work. Communicates information, asks questions and checks for understanding. Contributes to a team environment Assist in the design and development of mechanical components and systems Create and revise 2D and 3D CAD models and drawings (e.g., AutoCAD, REVIT, MicroStation) Support engineering analysis, testing, and validation activities Collect, analyze, and organize technical data Assist with testing Prepare engineering documentation and reports Participate in design reviews and team meetings Follow company safety and quality standards Basic Qualifications: Has basic knowledge of theories, practices and procedures in mechanical engineering. Strong computer skills (Word, Excel, PowerPoint and technical engineering software, some CADD experience (AutoCAD, REVIT and/or MicroStation) along with good verbal and writing skills. Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering Completed at least one year of engineering coursework Basic understanding of theories, practices and procedures in mechanical engineering. Strong analytical, organizational, and communication skills Ability to work independently and in a team environment FE and EIT candidates preferred. Minimum cumulative 3.0 GPA with at least 60 hours of coursework completed Must be at least 18 years of age Excellent critical thinking, analytical, and communication skills Must be a self-starter, excel in time management, and work well under pressure Ability to work independently and in a diverse team setting Willingness to work across Engineering disciplines Strong multitasking skills Strong problem-solving skills ABOUT APTIM APTIM is committed to accelerating the transition toward a clean and efficient energy economy, building a sustainable future for our communities and natural world, and creating a more inclusive and equitable environment that celebrates the diversity of our communities. We specialize in environmental, resilience, and sustainability and energy solutions, as well as technical and data solutions, program management, and critical infrastructure. For every challenge our clients face, there is an opportunity for APTIM to innovate a fit-for-purpose solution that will raise your organization or community to a new standard of excellence. What you can expect from APTIM: Work that is worthy of your time and talent Respect and flexibility to live a full life at work and at home Dogged determination to deliver for our clients and communities A voice in making our company better Investment into your personal and professional development As of the date of this posting, a good faith estimate of the current pay range for this position is $22 to $24.13 per hour. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM. Watch our video: About APTIM - In Pursuit of Better
    $22-24.1 hourly 5d ago
  • Sr. Mechanical Engineer

    Ms Technology

    Senior mechanical engineer job in Oak Ridge, TN

    The Sr. Mechanical Engineer will be responsible for supporting scopes of work associated with components, assemblies, and machines within the project. This role provides technical support to help the program achieve its goals and objectives while ensuring compliance with established standards and practices. Responsibilities: Assist in leading, designing, building, and troubleshooting the following Plant expansion activities Large scale heating and cooling systems High vacuum systems Filtration systems Helium leak detection equipment Composite parts and assemblies Machined parts and assemblies Assist in design and analysis of structural and dynamic systems Design manufacturing equipment as needed for manufacturing activities Develop specifications for fabrication materials and equipment Assist in the creation, review, and approval of engineering packages to be used for fabrication Establish procedures for assembly and repair of fabricated components Drive process improvement activities for internal activities and external suppliers Manage multiple priorities and ensure that deliverables are met within schedule and budget Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing Education/Experience: Level I Bachelor's degree in Mechanical, Chemical, Nuclear, or Aerospace Engineering. 3-5 years of experience in a professional environment. Level II Bachelor's degree in Mechanical or Aerospace Engineering. 8+ years of experience in a professional environment. A Master's degree may be used to substitute for 2 years of experience. Preferred Qualifications: Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance Project Management experience Experience with lean manufacturing Master's degree in Mechanical or Aerospace Engineering CAD experience (SolidWorks experience a plus) Experience using FEA (SolidWorks experience is a plus) Experience with QL-1 or QL-2 quality parts/systems Benefits: All eligible employees enjoy an excellent benefits package, including medical/dental/vision insurance, short/long-term disability, life insurance, 401(k), paid time off including holidays, and tuition reimbursement. EEO Statement: MSTI is an equal-opportunity employer. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply. MSTI is an E-Verify employer. If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: *******************. EEO Employer/Vet/Disabled
    $81k-107k yearly est. Auto-Apply 40d ago
  • Mechanical Engineer, Sr.

    Centrus Global

    Senior mechanical engineer job in Oak Ridge, TN

    Reporting directly to the Engineering Manager, the Sr. Mechanical Engineer will be responsible for supporting scopes of work activities associated with components, assemblies, and machines in the Centrifuge Project. Provides support to the Centrifuge Program to accomplish goals and objectives while ensuring compliance to Centrus standards and practices. What You Will Be Doing: Assist in leading, designing, building, and troubleshooting the following Plant expansion activities Large scale heating and cooling systems High vacuum systems Helium leak detection equipment Composite parts and assemblies Machined parts and assemblies Assist in design and analysis of structural and dynamic systems Design manufacturing equipment as needed for manufacturing activities Develop specifications for fabrication materials and equipment Assist in the creation, review, and approval of engineering packages to be used for fabrication Establish procedures for assembly and repair of fabricated components Drive process improvement activities for internal activities and external suppliers Manage multiple priorities and ensure that deliverables are met within schedule and budget Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing We'd Love to Hear from Candidates With: Bachelor's degree in Mechanical or Aerospace Engineering. 8+ years of experience in a professional environment a Masters may be used to substitute for 2 years experience Stronger Candidates Bring: Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance Project Management experience Masters degree in Mechanical or Aerospace Engineering 5+ years CAD experience (SolidWorks experience a plus) Experience using FEA (SolidWorks experience is a plus) Centrifuge design, test, and/or manufacturing experience is a plus Experience with QL-1 or QL-2 quality parts/systems In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. This position will require a pre -employment background check and a pre-employment drug test. Centrus Energy and all subsidiaries shall abide by the applicable legal requirements. We prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity or national origin. This position requires the successful candidate to obtain and maintain a Q security clearance. Candidates for positions requiring a security clearance are required to be tested for the absence of any illegal drug as defined in 10 CFR 707.4 prior to an offer of employment being made. In addition, once employe, employees will become part of a random drug testing program and may also be tested in the event of any incident causing injury or causing damage to property, or if it is determined that there is a reasonable suspicion the employee is under the influence of drugs or alcohol. This position will require preemployment background check on the part of the Company and in order to receive a Q security clearance, a background investigation by the Federal government. Subsequent Federal government reinvestigations may be required. Centrus Energy Corp. is an Equal Opportunity Employer
    $81k-107k yearly est. Auto-Apply 50d ago
  • Sr. Mechanical Engineer

    Ms Technology, Inc.

    Senior mechanical engineer job in Oak Ridge, TN

    Job Description The Sr. Mechanical Engineer will be responsible for supporting scopes of work associated with components, assemblies, and machines within the project. This role provides technical support to help the program achieve its goals and objectives while ensuring compliance with established standards and practices. Responsibilities: Assist in leading, designing, building, and troubleshooting the following Plant expansion activities Large scale heating and cooling systems High vacuum systems Filtration systems Helium leak detection equipment Composite parts and assemblies Machined parts and assemblies Assist in design and analysis of structural and dynamic systems Design manufacturing equipment as needed for manufacturing activities Develop specifications for fabrication materials and equipment Assist in the creation, review, and approval of engineering packages to be used for fabrication Establish procedures for assembly and repair of fabricated components Drive process improvement activities for internal activities and external suppliers Manage multiple priorities and ensure that deliverables are met within schedule and budget Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing Education/Experience: Level I Bachelor's degree in Mechanical, Chemical, Nuclear, or Aerospace Engineering. 3-5 years of experience in a professional environment. Level II Bachelor's degree in Mechanical or Aerospace Engineering. 8+ years of experience in a professional environment. A Master's degree may be used to substitute for 2 years of experience. Preferred Qualifications: Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance Project Management experience Experience with lean manufacturing Master's degree in Mechanical or Aerospace Engineering CAD experience (SolidWorks experience a plus) Experience using FEA (SolidWorks experience is a plus) Experience with QL-1 or QL-2 quality parts/systems Benefits: All eligible employees enjoy an excellent benefits package, including medical/dental/vision insurance, short/long-term disability, life insurance, 401(k), paid time off including holidays, and tuition reimbursement. EEO Statement: MSTI is an equal-opportunity employer. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply. MSTI is an E-Verify employer. If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: *******************. EEO Employer/Vet/Disabled Powered by JazzHR 97aosfXo7m
    $81k-107k yearly est. 12d ago
  • Mechanical Engineer

    Longenecker & Associates

    Senior mechanical engineer job in Oak Ridge, TN

    Longenecker & Associates (L&A) seeks a motivated Mechanical Engineer to contribute to our mission supporting our work at Centrus Energy in Oak Ridge, TN. L&A is a woman-owned small business and trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. L&A is unconditionally committed to mission success and the well-being of employees, the nation and the environment. Our team members are passionate about building a healthier environment for generations to come. We are a community that interfaces and effectively communicates with all levels of management and government. If you have a passion for excellence, seek opportunities to engage in mission critical work, and consistently exceed expectations, apply now to join our professional family. POSITION DESCRIPTION Reporting directly to the Engineering Manager, the Sr. Mechanical Engineer will be responsible for supporting scopes of work activities associated with components, assemblies, and machines in the Centrifuge Project. Provides support to the Centrifuge Program to accomplish goals and objectives while ensuring compliance to Centrus standards and practices. What You Will Be Doing: Assist in leading, designing, building, and troubleshooting the following Plant expansion activities Large scale heating and cooling systems High vacuum systems Helium leak detection equipment Composite parts and assemblies Machined parts and assemblies Assist in design and analysis of structural and dynamic systems Design manufacturing equipment as needed for manufacturing activities Develop specifications for fabrication materials and equipment Assist in the creation, review, and approval of engineering packages to be used for fabrication Establish procedures for assembly and repair of fabricated components Drive process improvement activities for internal activities and external suppliers Manage multiple priorities and ensure that deliverables are met within schedule and budget Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing EDUCATION REQUIREMENTS Bachelor's Degree in Engineering Field. MINIMUM QUALIFICATIONS 3+ years of working experience in a Nuclear and/or DOE environment. NQA-1 experience. CAD experience. SolidWorks experience. CREO experience. FEA experience. Must possess or be able to obtain a DOE Q-level security clearance. Ability to work in a diverse work environment. Satisfactory results of a pre-employment screening, which includes a background check and drug screening in accordance with Federal requirements (details below), Ability to fulfill and promote L&A core values. DESIRED QUALIFICATIONS Current Q Clearance. Project Management experience. Experience with Centrifuge or HALEU projects. LOCATION Work will be performed at the Centrus facility in Oak Ridge, TN. PHYSICAL REQUIREMENTS AND WORKING CONDITIONS Successful candidates will be able to perform the essential functions of the job with reasonable accommodation. This job posting reflects management's assignment of essential functions and the descriptions listed do not restrict management's right to assign or reassign duties and responsibilities to this job at any time. PRE-EMPLOYMENT SCREENING Please note that marijuana remains a Schedule I controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law. SALARY AND BENEFITS As an L&A employee, you will be eligible for a competitive salary as well as a comprehensive benefits package including healthcare (medical and dental), 401K plan, and paid time off. We believe in investing in our employees beyond compensation and as an L&A employee, you will have access to in-house training, career pathing, mentoring, award programs, tuition reimbursement and much more. L&A is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin, age, or status as a qualified individual with a disability or protected veteran.
    $65k-84k yearly est. 14d ago
  • Mechanical Engineer

    Napakiak Ventures

    Senior mechanical engineer job in Oak Ridge, TN

    Napakiak Environmental and Construction (NEC) is a leading provider of information technology, technology development, and environmental and construction services, specializing in Federal and Commercial projects. Our company is committed to delivering high-quality solutions that meet stringent regulatory standards and client requirements. Position Overview: NEC is teaming up with a local company seeking a highly skilled Mechanical Engineer. The ideal candidate would have 10+ years of experience in a data center construction/renovation or other power and cooling related infrastructure projects. Job Requirements: Required: Mechanical Engineering degree 10+ years of related experience Construction and renovation projects - process cooling design - piping, HVAC Preferred: PE certification Experience performing renovations in operational high value facilities Data center experience with water cooled mechanics, chillers, cooling towers, process cooling water, pumps, etc. Energy efficiency design experience Start date: November 1, 2025 Duration of project: 1-3 years (depending on project workload) Powered by JazzHR mTI0sE2wTF
    $65k-84k yearly est. 2d ago
  • Product Development Engineer

    Tier 1 Consulting

    Senior mechanical engineer job in Knoxville, TN

    Unleash Your Material Expertise at a Thriving Automotive Leader Calling all material maestros and engineering enthusiasts! Our Client is a financially stable, US-based company that's making waves in the automotive industry. They are known for our dynamic, entrepreneurial culture and our proven track record of nurturing top talent. Dive into the World of Soft Interior Trim As a Product Development Engineer, you'll play a pivotal role in shaping the future of automotive interior trim. You'll be responsible for the entire product development cycle, from conception to launch, working closely with customers to ensure we deliver exceptional solutions. Responsibilities: Technical Whiz: Review customer requirements, assess feasibility, and determine alignment with OEM specifications. Customer Collaborator: Engage with customers to define optimal inspection, packaging, and testing requirements for new products. Material Maverick: Develop specifications for material properties based on statistical analysis and manage negotiations with customers. Product Validation Guru: Attend product validation trials at customers' facilities to understand the product's interaction with their molding applications. Drive subsequent trials and improvement activities. Presentation Pro: Professionally present information and solutions to customers and stakeholders. PPAP Proponent: Drive PPAP testing requirements based on assessment of Tier and OEM's requirements. Qualifications: Bachelor's Degree: Minimum 4-year degree in Textiles, Industrial Engineering, Chemical Engineering, Materials Engineering, or a relevant field. Automotive Expertise: 3-5 years of experience in automotive manufacturing. Statistical Savvy: Experience using statistical software such as JMP/Minitab & Access. Six Sigma certification is a plus. Material Expertise: Experience with soft materials (textile fabrics, polyurethane foams, nonwovens, plastic films, plastics, or related) and dynamic material testing is required. Automotive Knowledge: Knowledge of automotive OEM specifications and test methods is a plus. Process Engineering Prowess: Process engineering background desired. Molding or forming experience is a plus. Travel Enthusiast: Ability to travel 30% to customers in the US and Mexico. Join Our Creative Crew Our Client is not just a company; we're a family. Our casual, fun, plant environment fosters a collaborative spirit and a sense of camaraderie. We believe in work-life balance, offering a generous 3 weeks' vacation package plus bonus. Embrace Growth Opportunities We're committed to helping you reach your full potential. Our company has a proven track record of promoting from within, so you can expect to see your career flourish here. Ready to Make Your Mark? If you're a passionate, creative individual with a knack for problem-solving and a love for all things automotive, we want to hear from you! Join our Client's team and embark on a journey of innovation and growth.
    $68k-88k yearly est. 60d+ ago
  • Design / Manufacturing Engineer

    Lokar

    Senior mechanical engineer job in Knoxville, TN

    Lokar Performance Products seeks a confident and capable, mid to senior level Design / Manufacturing Engineer, who is passionate about improving legacy components and assemblies and creating the manufacturing fixtures and assembly processes to produce them. As the Design / Manufacturing Engineer at Lokar, you will not only help sustain, improve, and manage the quality and manufacturing aspects of existing products but will also help develop and manage the processes that bring exciting new offerings to the aftermarket automotive industry. Lokar's advantageous size will allow you to connect and collaborate with our entire team, including our CEO, product engineering, tech support, manufacturing, sales, and sourcing, on a regular basis. We won't tie you up in endless and inefficient meetings. Instead, we offer you the freedom to take on projects autonomously and achieve outcomes that result in impressive products and process improvements. The ideal candidate would be a likeable and self-sufficient individual with strong SolidWorks skills, a copious amount of DIY technical experience (both personally & professionally), and a devotion to quality and detail. This person should have the confidence to succeed without micro-management and the humility to benefit from the experience of coworkers and suppliers. Primary Responsibilities: Join the team. Communication is vital at Lokar. Get to know your coworkers and benefit from their knowledge and experience. Become the go-to engineer for anything and everything that is quality and manufacturing related. Improve, create, and fully document the processes we use or will use to manufacture superior Lokar products. Help manage product changes and change introductions into manufacturing. Perform quality inspections for both incoming and outgoing components and assemblies, as needed. As part of the Product Development Team, assist with concept generation and map necessary process plans. Work with product engineering, manufacturing, and sourcing to complete prototype builds and to develop processes, tooling, and documentation to turn new product ideas into smoothly and efficiently manufactured components and assemblies. Requirements Qualifications: Bachelor's degree in engineering (Mechanical, Electro-mechanical, or related). Product and process design experience, primarily with (some or all): machined parts, injection molded components, castings, basic electrical circuits, and mild to moderately complex mechanisms. Hands on experience, experience, experience - personal and professional; know how to use tools and possess the intellect to build, repair, modify, disassemble, etc. Skills: Logical and efficient CAD modeling skills (SolidWorks preferred); know the fundamentals; know how to best utilize planes, centerlines, relations, and imbedded equations; know when a feature should be a “revolve” and when a feature should be an “extrusion”; Pro-E/Creo or Inventor experience will allow you to pick up SolidWorks quickly. Drawings: apply best drafting practices; familiarity and usage of Y14 practices is a plus, including GD&T. Design: be able to translate design intent into efficient processes and tooling while creating readable, detailed drawing packages and manufacturing instructions. Ability to safely use basic hand tools; mill or lathe or welding experience is a plus. Capable with Microsoft Office packages. Company Culture: We are an automotive company and love to chat about cars and other related hobbies, etc. We would love to hear about your passions. Punctuality and a solid and responsible work ethic are key at Lokar. Be on time and help make great things happen here. New perspectives are greatly appreciated………so, jump in the mix and voice your ideas.
    $54k-77k yearly est. 60d+ ago

Learn more about senior mechanical engineer jobs

How much does a senior mechanical engineer earn in Oak Ridge, TN?

The average senior mechanical engineer in Oak Ridge, TN earns between $71,000 and $122,000 annually. This compares to the national average senior mechanical engineer range of $79,000 to $136,000.

Average senior mechanical engineer salary in Oak Ridge, TN

$93,000

What are the biggest employers of Senior Mechanical Engineers in Oak Ridge, TN?

The biggest employers of Senior Mechanical Engineers in Oak Ridge, TN are:
  1. Centrus Energy
  2. Centrus Global
  3. Burns & McDonnell
  4. Navarro Group
  5. Ms Technology
  6. Ms Technology, Inc.
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