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Senior Mechanical Engineer 1 - Nuclear
Company : Sargent &lundy
Location : New London, CT, 06320
Job Type : Full Time
Date Posted : 12 January 2026
Description
Your time will be spent at the nuclear site in Waterford, Connecticut (Millstone Nuclear Plant).
This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities.
This will be an on site field support position.
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
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
- A minimum of 5 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
Senior Mechanical Engineers in nuclear settings face stringent safety codes and regulatory oversight unique to nuclear power. Their work involves specialized systems like reactor cooling and containment, requiring deep knowledge of nuclear standards, which sets them apart from mechanical engineers in other industries.
Onsite challenges include managing complex system modifications without interrupting plant operations, ensuring compliance with nuclear codes, and coordinating with multidisciplinary teams. Engineers must balance field realities with design precision, often under strict safety and regulatory scrutiny.
Possessing a PE license is highly advantageous in Connecticut's nuclear sector, reinforcing expertise and regulatory compliance. Familiarity with ASME codes and NRC regulations also boosts employability, reflecting the rigorous standards expected for mechanical engineering roles in nuclear power.
Starting as a Mechanical Engineer 1, professionals gain hands-on experience with nuclear plant systems, opening pathways to senior engineering or project management roles. Exposure to advanced reactor technologies and ongoing training at Sargent & Lundy fosters continuous career growth in a cutting-edge energy sector.
Sargent & Lundy emphasizes safety and innovation within a collaborative environment. The culture promotes work-life balance through flexible schedules and comprehensive benefits, which supports engineers managing demanding projects at nuclear sites while maintaining personal well-being.
The company offers tuition assistance, merit scholarships, and professional licensure bonuses to encourage skill advancement. These programs ensure Senior Mechanical Engineers stay current with evolving nuclear engineering standards and technology trends, fostering long-term expertise.
Salaries typically span from $82,380 to $125,860, influenced by experience, education level, and PE licensure status. The nuclear sector’s specialized skill demands and regional cost of living in New London also play crucial roles in compensation packages.
New London’s proximity to key nuclear facilities like Millstone creates steady demand for skilled mechanical engineers. However, competition remains tight due to the specialized expertise required, making relevant experience and certifications critical for securing roles.
Being onsite at Millstone requires direct interaction with plant operations, enabling immediate troubleshooting and system evaluations. This hands-on presence demands adaptability to field conditions and close collaboration with plant personnel to ensure safety and efficiency.
Sargent & Lundy’s legacy in nuclear engineering, including work on advanced reactors and digital modernization, offers exposure to pioneering projects. Employees benefit from award-winning benefits and a culture committed to innovation and sustainability, distinguishing it within the industry.