Risevoic
Balance of Plant Senior Mechanical Engineer 1 - Nuclear
Company : Sargent &lundy
Location : Wilmington, DE, 19801
Job Type : Full Time
Date Posted : 10 January 2026
Description
You will be involved in nuclear power plant systems design, including preparation or review of:
- Engineering analyses and evaluations to support modifications and operation of plant systems, specifically, hydraulic, heat transfer, and heat balance analyses.
- Modification packages for operating nuclear power plants
- Functional mechanical drawings and/or drawings for nuclear power 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
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 five years of experience in the power industry
- Working knowledge of codes, standards, and regulations that apply to mechanical engineering design of nuclear power plants
- Previous experience with power uprates and/or turbine related systems is favorable
- 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
Engineers in this role optimize mechanical systems like hydraulics and heat transfer, ensuring nuclear plants operate safely and efficiently. Their expertise supports modifications and maintenance that uphold stringent nuclear industry standards, directly impacting plant performance and regulatory compliance.
Senior mechanical engineers in nuclear power must master codes and regulations unique to nuclear facilities, along with experience in power uprates and turbine systems. Their advanced understanding of heat balance and hydraulic analyses is crucial for maintaining nuclear plant integrity and safety.
Professionals often progress toward leadership roles such as project lead or senior principle engineer within nuclear engineering. Wilmington’s vibrant energy industry offers opportunities to engage with cutting-edge reactor technologies and plant modernization projects, fostering growth in nuclear power expertise.
Wilmington's strategic location near key energy hubs heightens demand for nuclear mechanical engineers, especially at firms like Sargent & Lundy. The region’s focus on clean energy innovation and plant modernization fuels steady hiring, making it a competitive yet promising job market.
Wilmington offers accessible transportation networks, but peak-hour traffic can impact commute times. Many engineers weigh proximity to plant sites against flexible work arrangements offered by Sargent & Lundy, balancing productivity with reasonable travel expectations.
Yes, the company integrates comprehensive benefits with career development, fostering a supportive environment for nuclear engineers. This approach emphasizes work-life balance and continuous learning, reflecting their culture of excellence recognized through multiple workplace awards.
This role combines hands-on system design with leadership opportunities, backed by a company known for innovation in small modular reactors and plant modernization. Sargent & Lundy’s commitment to safety and sustainable energy differentiates their engineering projects and team dynamics.
Salaries typically range from $82,380 to $125,860 annually, reflecting experience and specialized skills in nuclear power engineering. This competitive compensation package often includes bonuses and comprehensive benefits tailored to Wilmington’s cost of living and industry standards.
They lead engineering teams, develop cost estimates, and evaluate vendor bids, directly shaping project scope and success. Their expertise ensures modifications meet rigorous safety codes while enhancing plant efficiency, positioning them as key contributors in nuclear infrastructure advancement.
While a PE license is advantageous, solid experience with nuclear codes and standards is paramount. Familiarity with power uprates and turbine systems also elevates candidacy, aligning with the company’s focus on high-caliber engineering expertise in nuclear energy.