Lead Mechanical Engineer 1 - Nuclear Power Uprates
Company : Sargent &lundy
Location : Phoenix, AZ, 85003
Job Type : Full Time
Date Posted : 12 January 2026
Description
Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the nuclear industry. You will work on major systems, equipment and plant process in the following areas:
- Perform consulting level work for power uprates in the nuclear industry.
- Interface with clients and project teams to present technical discussions and project status.
- Develop engineering proposals and cost estimates.
- Manage resources/resource loading and develop estimates for task completion and budget development.
- Review calculations related to heat balances, power train pumps, heat exchangers, condenser/heat sink, and plant hazards to support client recommendations and reviews.
- Review task reports and equipment evaluations that present technical information in a clear and concise manner to meet client requirements.
- Review equipment sizing, optimization evaluation, and selection in response to client needs to support the proposed power uprate.
- Evaluate vendor bids from a technical perspective.
- Interface with vendors to perform document reviews, ensure equipment compliance with specifications and needs of the plant.
- Lead and mentor junior engineering staff on power plant engineering technical tasks.
- Perform independent reviews of work performed by others including calculations and drawing preparation.
- Attend client meetings and site walkdowns to validate scope and ensure client satisfaction.
This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days.
Qualifications
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.
- 10+ years of experience in the nuclear power industry.
- Experience with nuclear power uprates and/or turbine retrofit projects.
- Experience and practical knowledge in one or more of the following areas:
- Power Uprates (EPU/SPU/MUR)
- Power Uprate pinch point assessments and/or task reports
- Turbine / Generator / AVR / Exciter Refurbishments
- Heat Exchanger Replacement (FWH/MSR/TFP)
- Isophase Bus Duct
- Transformer/Switchyard
- NSSS Systems
- Licensing Application
- 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
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
$116,620.00 - $179,890.00Transparency 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
Acquiring expertise in nuclear power uprates, especially within Phoenix's expanding energy sector, significantly boosts a Mechanical Engineer 1's prospects. This specialized knowledge aligns with regional industry growth, opening paths to leadership roles and higher responsibilities in nuclear plant modernization projects.
A Lead Mechanical Engineer 1 in nuclear power uprates must master thermodynamics, fluid mechanics, and heat transfer, paired with proficiency in nuclear codes and standards. Their role demands strong technical report writing and vendor evaluation skills, differentiating them from general mechanical engineering positions.
Typical responsibilities include reviewing equipment sizing, performing heat balance calculations, evaluating vendor bids, and mentoring junior staff. Engineers focus on optimizing systems like heat exchangers and turbine retrofits, ensuring compliance with nuclear safety regulations and client specifications.
Phoenix's nuclear sector maintains moderate competition due to ongoing plant upgrades and clean energy initiatives. Candidates with specialized experience in power uprates and strong technical backgrounds find favorable hiring opportunities, especially within firms like Sargent & Lundy.
Salaries range broadly from $116,620 to $179,890 annually in Phoenix, reflecting expertise and seniority. This compensation aligns with industry standards for professionals managing complex nuclear power uprate projects while offering comprehensive benefits enhancing total remuneration.
At Sargent & Lundy, the Lead Mechanical Engineer 1 acts as a pivotal technical consultant, guiding project execution, liaising with clients and vendors, and ensuring engineering solutions meet nuclear safety and efficiency standards, thus driving successful power uprate initiatives.
Sargent & Lundy fosters a collaborative environment emphasizing work-life balance through hybrid schedules, health benefits, and professional development. This culture supports Lead Mechanical Engineers by nurturing leadership skills and offering resources tailored to nuclear engineering challenges.
Holding a BSME from an ABET-accredited program is essential, with an MSME or PE license valued. Knowledge of nuclear-specific codes and practical experience in turbine retrofits or power uprates further elevate an engineer’s capability to meet Sargent & Lundy’s technical and regulatory demands.
While a PE license is highly regarded locally, specific certifications related to nuclear safety and power uprates boost employability. Phoenix employers prioritize candidates demonstrating compliance knowledge with NRC regulations and experience with plant modernization projects.
The hybrid arrangement balances onsite collaboration with remote flexibility, enhancing productivity and job satisfaction. Lead Mechanical Engineers benefit from direct client engagement and team interaction three days weekly while enjoying focused remote work for the remainder.