{"id":1566183,"url":"https://alion.io/job/sargent-lundy-mechanical-designer-3-nuclear","title":"Mechanical Designer 3 - Nuclear","company":{"id":2048445,"name":"Sargent & Lundy","domain":"sargentlundy.com","url":"https://alion.io/company/sargentlundy","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chattanooga, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":59000,"max_usd":109000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":4330},"experience_years_min":8,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false}],"status":"live","first_seen_at":"2026-10-01T06:06:54Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-11-02T04:19:54Z","board_verified":true,"closed_at":null,"days_open":31,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":31},"description":"Responsibilities\nAs a member of the mechanical design team, this position will offer you the opportunity to work in a multi-disciplined engineering and design project team developing mechanical equipment location, piping layout and pipe support deliverables\nParticipate in 3D model reviews and the coordination of detailed design phases for all aspects of an integrated mechanical design \nProvide support to other designers and project team members in order to ensure a complete and timely design\nLayout mechanical equipment maintaining required spatial clearances utilizing 3D modeling software \nDevelop physical piping layout and pipe support designs utilizing 3D modeling software in an integrated 3D design environment\nLayout piping, associated components and pipe supports utilizing system design criteria and engineering piping & instrumentation diagram (P&ID) information \nWork with mechanical equipment 3D model layout and vendor drawings to verify equipment and component connection points \nWork in 3D model with other design disciplines to ensure that physical clearances are met and constructability, accessibility, and operations and maintenance requirements are maintained \nWork with piping stress and structural engineers to locate and detail required pipe supports\nDevelop 2D mechanical equipment location, piping isometric and mechanical piping composite drawings from the 3D model\nDevelop 2D pipe support drawings\nGenerate complete bills of materials for piping and pipe supports \nThis position is based on a hybrid work schedule and will require in-office work 3 days per week.\nQualifications\nWe do not sponsor employees for work authorization in the U.S. for this position.\nEssential skills and experience:\nAn Associate's Degree in drafting, or a high school diploma and 4+ years of drafting course work or equivalent technical experience\n8 or more years of detailed physical design experience in the development of mechanical general arrangements, piping systems, and supports\n3 or more years of experience in the nuclear power industry\nProficiency in 3D integrated plant modeling design software tools\nProficiency in 3D MicroStation or 3D AutoCAD\nProficiency in reading spreadsheets created from the 3D model\nExperience in the review of mechanical equipment, including outlines and interface points, and coordinating and developing the associated deliverables\nAbility to interface with engineering and design teams of other disciplines in the project design process\nValued but not required experience:\nProficiency with MicroStation\nTechnology & Innovation\nSargent & Lundy values the appropriate use of technology to improve how work gets done and deliver high-quality outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. We value candidates who demonstrate an interest in learning and effectively using emerging technologies where relevant to their role. Employees remain accountable for their work and are expected to apply appropriate professional judgment and review when using technology-assisted tools. Experience with AI, automation, programming, or similar technologies is valued where relevant but is not required unless specifically identified elsewhere in the job description.\nAbout Sargent & Lundy\nAt Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.\nHealth & WellnessFinancial BenefitsWork-Life BalanceHealth Plans: Medical, Dental, Vision\nLife & Accident Insurance\nDisability Coverage\nEmployee Assistance Program (EAP)\nBack-Up Daycare\nFSA & HSA\n401(k)\nPre-Tax Commuter Account\nMerit Scholarship Program\nEmployee Discount Program\nCorporate Charitable Giving Program\nTuition Assistance\nFirst Professional Licensure Bonus\nEmployee Referral Bonus\nPaid Annual Personal/Sick Time (PST)\nPaid Vacation\nPaid Holidays\nPaid Parental Leave\nPaid Bereavement Leave\nFlexible Work Arrangements\nCompensation Range\n$68,325 - $104,385Transparency Statement\nSargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.About This Business Unit\nJoin Sargent & Lundy's Nuclear Power Group and be part of a team driving the future of clean, carbon-free energy. Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects. With a commitment to safety, innovation, and sustainability, we provide cutting-edge solutions that power communities worldwide while reducing emissions. Shape the future of global energy with us!\nEqual Opportunity\nSargent & Lundy is an equal opportunity employer. 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