Senior Mechanical Engineer 1 - Nuclear Plant Analysis

Sargent & Lundy; United States; On-site; USD 85,000 - 129,000; Full time

Benefits offered by this job

Health Plans

Life Insurance

Disability Coverage

EAP

Back-Up Daycare

401(k)

Pre-Tax Commuter Account

Tuition Assistance

Paid Vacation

Paid Holidays

Paid Parental Leave

Flexible Work Arrangements

Job summary

Sargent & Lundy is seeking a senior Mechanical Engineer to advance nuclear power plant projects in the United States. You will apply thermodynamics, heat transfer, and fluid mechanics to design and optimize systems, perform calculations, and prepare technical reports for client reviews.

You will mentor junior staff, develop engineering proposals and cost estimates, and interface with clients to present progress. Occasional travel to client sites and vendors may be required.

Qualifications

• This position requires a BSME from an ABET Engineering Accreditation Commission-approved program with a strong academic background and interest in thermodynamics, heat transfer, and fluid mechanics
• A minimum of 5 years of experience in the nuclear power industry
• All assignments require the preparation of calculations and/or reports, and excellent technical report writing skills are essential
• Knowledge of the practical application of mechanical engineering and technology including applying systems, principles, techniques, procedures, and equipment to a project design
• Strong interest in numerical computations and problem solving
• Working knowledge of codes, standards, and regulations that apply to mechanical engineering design of nuclear power plants
• Proficiency with MS Office applications
• Excellent written and verbal communication skills

Responsibilities

• This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, fluid mechanics, and experience in power plant engineering
• You will be preparing or reviewing calculations, evaluations, and technical reports to support client recommendations and reviews, and will additionally conduct equipment sizing, optimization evaluation, and selection in response to client needs
• While supporting clients and project teams with other Mechanical Engineers, you will be involved in system engineering, including the design, modification, and analysis of nuclear power plant mechanical systems
• Interface with clients and project teams to present technical discussions and project status
• Develop engineering proposals and cost estimates
• Mentor junior engineering staff on power plant engineering technical tasks
• There is the potential for you to travel to client and vendor offices for design reviews and to plant site locations for meetings and field verification of design

Skills

Thermodynamics

Heat transfer

Fluid mechanics

Calculations & reports

Numerical computations

Client communication

MS Office

Power plant engineering

Education

BSME ABET-accredited

Tools

MS Office

Job description

Qualifications

• This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, fluid mechanics, and experience in power plant engineering
• You will be preparing or reviewing calculations, evaluations, and technical reports to support client recommendations and reviews, and will additionally conduct equipment sizing, optimization evaluation, and selection in response to client needs
• While supporting clients and project teams with other Mechanical Engineers, you will be involved in system engineering, including the design, modification, and analysis of nuclear power plant mechanical systems
• Interface with clients and project teams to present technical discussions and project status
• Develop engineering proposals and cost estimates
• Mentor junior engineering staff on power plant engineering technical tasks
• There is the potential for you to travel to client and vendor offices for design reviews and to plant site locations for meetings and field verification of design

We do not sponsor employees for work authorization in the U.S. for this position.

Essential Skills And Experience

• This position requires a BSME from an ABET Engineering Accreditation Commission-approved program with a strong academic background and interest in thermodynamics, heat transfer, and fluid mechanics
• A minimum of 5 years of experience in the nuclear power industry
• All assignments require the preparation of calculations and/or reports, and excellent technical report writing skills are essential
• Knowledge of the practical application of mechanical engineering and technology including applying systems, principles, techniques, procedures, and equipment to a project design
• Strong interest in numerical computations and problem solving
• Working knowledge of codes, standards, and regulations that apply to mechanical engineering design of nuclear power plants
• Proficiency with MS Office applications
• Excellent written and verbal communication skills

Valued But Not Required Skills And Experience

• MSME from an ABET accredited program with a strong academic background
• PE License

AI & Automation at Sargent & Lundy

• You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
• Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
• Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
• We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.

Award-Winning Benefits

Health & Wellness

Financial Benefits

Work-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

$84,762 - $129,498

Transparency 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!

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.