Senior Mechanical Engineer 1 - Nuclear
Sargent & Lundy
Listing collected from Sargent & Lundy's career site. NextChapter is independent of Sargent & Lundy.
Washington, DC · Posted September 24, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Sargent & Lundy
More in District of Columbia job market · Manufacturing & Industrial · Engineering jobs
More roles at Sargent & Lundy
- Mechanical Engineering Consultant 2 (Power Uprates) - Nuclear · Chicago, IL
- Protective Relaying Engineering Consultant 2 · Portland, OR
- Substation Engineer Consultant 2 - Grid · Portland, OR
- Substation Engineer 2 - Grid · Tampa, FL
- Mechanical Engineering Consultant 2 - Nuclear · Reston, VA
- Distribution Engineer 2 - Grid · Charlotte, NC
Similar jobs
- Application Engineer · Genuine Parts Company · SALISBURY, NC
- Project Engineer I - Mechanical · McKinstry · Seattle, WA
- Senior Engineer- Mechanical · Arcadis · IN
- Mechanical Engineer MTS Sr · Applied Materials · Santa Clara, CA
- Design Engineer · Top Echelon Network (recruiter member boards) · Boonton, NJ
- Project Mechanical Engineer · Arcadis · Novi, MI
Where Washington, DC ranks
Where Washington, DC placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities hosting the most business conferences in the Mid-Atlantic104 conferences · of 12
- #1Cities hosting the most government & public sector conferences18 conferences · of 29
- #1Cities hosting the most accounting & audit conferences8 conferences · of 14
- #1Cities hosting the most finance conferences9 conferences · of 24
- #1Cities hosting the most legal conferences10 conferences · of 10
- #2Best cities for sales pay after cost of living$169k · of 45
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Responsibilities
This role will offer a hybrid work arrangement. The expectation will be to spend three days a week in the office, giving you the flexibility to work remotely for two days.
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
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
BS or MS in Mechanical or Chemical Engineering from an ABET accredited program with academic coursework in thermodynamics, fluid mechanics, and heat transfers
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
Technology & Innovation
Sargent & Lundy values the appropriate use of technology to improve how work gets done and deliver high-quality outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. We value candidates who demonstrate an interest in learning and effectively using emerging technologies where relevant to their role. Employees remain accountable for their work and are expected to apply appropriate professional judgment and review when using technology-assisted tools. Experience with AI, automation, programming, or similar technologies is valued where relevant but is not required unless specifically identified elsewhere in the job description.
About Sargent & Lundy
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 $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.