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Senior Mechanical Engineer 1 - Nuclear
Company : Sargent &lundy
Location : Chattanooga, TN, 37402
Job Type : Full Time
Date Posted : 12 January 2026
Description
You will be involved in nuclear power plant systems design, including preparation or review of:
- Modification packages for operating nuclear power plants
- Functional mechanical drawings and/or drawings for nuclear power plant systems
- Engineering analyses and evaluations to support modifications and operation of plant systems
- Technical specifications and procurement documents for plant equipment
- Vendor bid evaluations for plant equipment
- Studies and options evaluations for modifications to operating nuclear power plants
In addition, you will have the opportunity to:
- Develop engineering cost estimates for small to mid-sized client-requested work scopes
- Visit client office and/or plant site locations to interface with the client and make presentations related to engineering tasks and status
- Lead engineering project teams
This position is based on a hybrid work schedule and will require in-office work 3 days per week.
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
- BS or MS in Mechanical Engineering from an ABET accredited program
- 5 or more years of experience in the power industry
- Working knowledge of codes, standards, and regulations that apply to mechanical engineering design of nuclear power plants
- PE license is beneficial, but not required
Award-Winning Benefits
At 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.
Health & WellnessFinancial BenefitsWork-Life Balance- Health Plans: Medical, Dental, Vision
- Life & Accident Insurance
- Disability Coverage
- Employee Assistance Program (EAP)
- Back-Up Daycare
- FSA & HSA
- 401(k)
- Pre-Tax Commuter Account
- Merit Scholarship Program
- Employee Discount Program
- Corporate Charitable Giving Program
- Tuition Assistance
- First Professional Licensure Bonus
- Employee Referral Bonus
- Paid Annual Personal/Sick Time (PST)
- Paid Vacation
- Paid Holidays
- Paid Parental Leave
- Paid Bereavement Leave
- Flexible Work Arrangements
Compensation Range
$82,380.00 - $125,860.00Transparency Statement
Sargent & 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
Join 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!
Awards & Recognition
Equal Opportunity
Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.
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Frequently asked questions
In Chattanooga, a Senior Mechanical Engineer specializing in nuclear power focuses on intricate systems design and compliance with nuclear regulations, distinguishing this role from general mechanical engineering jobs. The specialization demands deep knowledge of nuclear codes and safety standards unique to the energy sector in this region.
Mechanical Engineer 1 - Nuclear professionals must demonstrate expertise in interpreting mechanical drawings, conducting engineering analyses, and applying nuclear-specific codes. Proficiency in vendor evaluations and technical specification development is crucial for successful power plant system modifications.
Senior Mechanical Engineers in nuclear energy often progress toward leadership roles such as project managers or principal engineers. Gaining experience in regulatory compliance, multidisciplinary coordination, and innovative reactor technologies can unlock opportunities for strategic influence within the nuclear sector.
Sargent & Lundy provides comprehensive health plans, paid leave including parental and bereavement, and flexible work arrangements. Their award-winning benefits foster a supportive environment, promoting wellness and balance tailored to the demanding roles of nuclear mechanical engineers.
The company cultivates innovation and safety within nuclear engineering, valuing employee development through tuition assistance and merit-based bonuses. This culture empowers senior engineers to lead impactful projects while enjoying supportive corporate programs and collaborative team dynamics.
Salaries in Chattanooga for Senior Mechanical Engineers in nuclear fields typically range from $82,380 to $125,860, reflecting local market demand and specialized expertise. Compensation includes base pay plus potential discretionary bonuses, aligned with the high responsibility and technical skills required.
Chattanooga’s proximity to nuclear facilities and energy initiatives drives steady demand for mechanical engineers with nuclear expertise. The region values engineers familiar with regulatory standards and system modernization, ensuring competitive opportunities amid a specialized talent pool.
Commuting in Chattanooga is generally manageable, with hybrid schedules requiring in-office presence three days weekly. Engineers benefit from reduced traffic congestion compared to larger metros, making the blend of remote and on-site work a practical balance for professionals in this sector.
Expertise in mechanical system design, nuclear plant codes, and vendor evaluation is essential. Familiarity with advanced reactor technology and digital modernization complements the role, enabling senior engineers to contribute effectively to Sargent & Lundy’s cutting-edge nuclear initiatives.
This position involves direct engagement with clients through site visits and presentations, alongside leading engineering teams. Balancing technical responsibilities with communication skills ensures project objectives align with client expectations and regulatory frameworks.