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Senior Mechanical Engineer 1 - Nuclear
Company : Sargent &lundy
Location : Reading, PA, 19601
Job Type : Full Time
Date Posted : 12 January 2026
Description
This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities.
We are looking for candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants.
You will be involved in nuclear power plant systems design, including preparation or review of:
- Modification packages for operating nuclear power plants
- System and Component Performance specifications
- 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
- 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
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 Reading, PA, credentials like the PE license and ASME nuclear standards familiarity significantly boost a Senior Mechanical Engineer's profile. These certifications demonstrate compliance with local regulatory expectations and mastery of nuclear system design, essential for projects at companies like Sargent & Lundy.
The Reading region shows steady demand for senior nuclear mechanical engineers due to ongoing plant modernization efforts. However, competition remains intense as experienced professionals with nuclear licensing and power plant design expertise are highly sought after by firms like Sargent & Lundy.
Proficiency in nuclear codes (e.g., ASME, NRC), mechanical system analysis, and experience with plant modification packages are crucial. Candidates should also excel in preparing detailed mechanical drawings and conducting engineering evaluations to support nuclear plant operations.
Advancement often involves gaining deeper expertise in nuclear licensing, leading complex modification projects, and contributing to innovative reactor technology. Expanding skills in digital modernization and small modular reactor design can open doors to leadership roles within nuclear engineering teams.
Daily tasks include navigating stringent regulatory requirements, performing precise mechanical analyses, and coordinating cross-disciplinary teams for plant system upgrades. Balancing safety, innovation, and project timelines in a highly technical nuclear environment is a consistent challenge.
Sargent & Lundy emphasizes flexible work arrangements alongside comprehensive healthcare and generous paid leave. Their award-winning benefits package, recognized in consecutive years, reflects a commitment to employees’ well-being, enabling senior engineers to thrive professionally and personally.
At Sargent & Lundy, senior engineers engage with cutting-edge projects like advanced reactor technologies and international new-builds, combining traditional nuclear expertise with innovation. The company’s culture prioritizes safety and sustainability, offering a unique platform for engineers to influence global clean energy.
Sargent & Lundy offers a competitive salary from approximately $82,380 to $125,860 annually for this position in Reading, reflecting the specialized skills and experience required in nuclear power engineering within this region.