Senior Mechanical Engineer

ResponsibilitiesThis role will offer a hybrid work arrangement from our future Knoxville office. The expectation will be to spend three days a week in the office, giving you the flexibility to work remotely for two days.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 designs.QualificationsWe 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.5 or more 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.Technology & InnovationIn this role, we expect people to be willing or able to lead others who use modern tools: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.About Sargent & LundyAt 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 BalanceHealth Plans: Medical, Dental, VisionLife & Accident InsuranceDisability CoverageEmployee Assistance Program (EAP)Back-Up DaycareFSA & HSA401(k)Pre-Tax Commuter AccountMerit Scholarship ProgramEmployee Discount ProgramCorporate Charitable Giving ProgramTuition AssistanceFirst Professional Licensure BonusEmployee Referral BonusPaid Annual Personal/Sick Time (PST)Paid VacationPaid HolidaysPaid Parental LeavePaid Bereavement LeaveFlexible Work ArrangementsCompensation Range$84,762 - $129,498Transparency StatementSargent & 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 UnitJoin 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 OpportunitySargent & 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.