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Mechanical Engineering Intern - Nuclear (Summer 2026)
Company : Sargent &lundy
Location : Englewood, CO, 80012
Job Type : Intern
Date Posted : 7 January 2026
Description
This position has a target start date of summer 2026.
- As a Mechanical Engineering Intern, you will be assigned to work on a project team and assist the engineering team members in the execution of their project work. These projects may involve the design of new and/or modifications/upgrades to existing power plant or industrial facility systems and components.
- Working under the direction of senior engineers, this position will offer you the opportunity to utilize and expand your academic background in mechanical engineering in one or more of the following areas:
- Assist in the preparation of engineering calculations, drawings and specifications
- Work on a variety of tasks associated with project reporting, such as tracking and evaluating project activities, project progress, and associated data
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
Essential skills and experience:
- This position requires active enrollment in a Bachelor’s or Master’s of Science degree in Mechanical Engineering with a strong academic background and coursework in mechanical systems analysis, including thermodynamics, fluid mechanics, and/or heat transfer
- Enrollment in an ABET-accredited engineering program is preferred
- Proficiency with MS Office applications
- Excellent written and verbal communication skills
Valued but not required skills and experience:
- Prior, related internship or co-op experience
- An understanding of the practical application of mechanical engineering principles
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
$17.50 - $27.00Transparency 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
Interns at Sargent & Lundy actively support nuclear energy initiatives by assisting senior engineers with design modifications and upgrades to power plant systems. This hands-on experience in nuclear engineering offers exposure to sustainable energy solutions and cutting-edge reactor technologies.
Strong fundamentals in thermodynamics, fluid mechanics, and heat transfer are essential. These core topics prepare interns for analyzing and improving mechanical systems within nuclear and industrial power settings typical of Sargent & Lundy's projects.
Expect to assist with engineering calculations, drafting technical drawings, and tracking project progress. Tasks also include data evaluation and supporting documentation, offering a comprehensive glimpse into mechanical engineering workflows in nuclear power.
While prior internships are valued, this role welcomes candidates with a solid academic foundation in mechanical engineering. The position provides mentorship from senior engineers, making it ideal for students eager to apply theoretical knowledge practically.
The hourly wage for this internship ranges between $17.50 and $27.00, reflecting the candidate's background and skills. This competitive pay aligns with local market standards for engineering internships in the nuclear sector.
Sargent & Lundy emphasizes innovation, safety, and sustainability, fostering an inclusive environment that encourages learning and professional growth. Interns benefit from award-winning benefits and a supportive culture that balances work demands with personal well-being.
While no specific certifications are mandated, familiarity with ABET-accredited mechanical engineering programs is advantageous. Local employers often value knowledge of nuclear regulations and safety standards, enhancing an applicant's competitiveness.
Englewood hosts several energy sector employers, making internships in nuclear engineering moderately competitive. Candidates with strong academic records and practical skills in mechanical systems analysis have favorable chances given the specialized nature of this field.
The internship offers practical exposure to advanced reactor technologies and system upgrades, enhancing skills vital for nuclear design roles. Working alongside seasoned professionals equips interns with critical problem-solving abilities and industry-specific insights.
The company provides comprehensive mentorship, access to diverse projects, and a benefits package that includes wellness programs and paid time off. This holistic approach ensures interns thrive both professionally and personally during their tenure.