Risevoic
Senior Mechanical Engineer 1 - Nuclear
Company : Sargent &lundy
Location : Englewood, CO, 80012
Job Type : Full Time
Date Posted : 12 January 2026
Description
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
This position is based on a hybrid work schedule and will require in-office work 3 days per week.
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
- BS or MS in Mechanical Engineering from an ABET accredited program
- A minimum of 5 years of experience in the nuclear 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
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
$82,380.00 - $125,860.00Transparency 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.
Golden, CO
Top trending job titles hiring now
Popular Searches for Senior Mechanical Engineer
Frequently asked questions
Englewood's demand for nuclear engineering professionals remains steady, with specialized roles like Senior Mechanical Engineer - Nuclear attracting seasoned candidates. The nuclear sector here values experience with plant systems and regulatory knowledge, making competition focused on technical expertise and industry tenure rather than volume alone.
While a PE license isn’t mandatory, obtaining one significantly elevates your profile in Colorado’s nuclear sector. Additionally, familiarity with state-specific nuclear safety standards and ongoing professional development through local engineering societies can enhance employability in Englewood’s competitive market.
Adaptation to stringent safety codes and integrating new designs with existing nuclear plant infrastructure are key challenges. Engineers must navigate complex regulatory frameworks and ensure mechanical alterations comply with evolving standards while maintaining operational reliability and minimizing downtime.
This senior nuclear-focused role demands specialized knowledge of nuclear plant systems, regulatory compliance, and safety protocols, unlike general mechanical engineering positions. It also involves oversight of modifications specific to nuclear operations, requiring a blend of engineering precision and nuclear industry expertise.
Sargent & Lundy fosters growth through leadership opportunities on engineering teams and exposure to cutting-edge nuclear tech projects. The company’s recognition for benefits and continuous learning initiatives also creates a nurturing environment for senior engineers aiming to expand their expertise and influence.
Beyond competitive pay, Sargent & Lundy’s award-winning benefits include comprehensive healthcare, flexible hybrid schedules, and professional development bonuses. Their commitment to work-life balance and employee well-being stands out, making them a preferred employer in the nuclear engineering sector.
Salaries typically range from $82,380 to $125,860 annually, reflecting the specialized skills and experience required. This compensation aligns with industry standards in Colorado’s nuclear sector, supplemented by comprehensive benefits and potential discretionary bonuses.
Key skills include mastery of nuclear plant mechanical systems design, expertise in regulatory codes, and proficiency in vendor evaluations. Strong project leadership and effective client communication further distinguish high-performing senior engineers in this field.
Daily tasks often involve reviewing mechanical drawings, conducting engineering evaluations for plant modifications, coordinating with vendors, and leading project teams. There’s also a focus on maintaining compliance with safety standards and interfacing with clients to ensure project alignment.
The hybrid model balances in-office collaboration three days a week with remote work flexibility, fostering efficient teamwork and focused individual tasks. This structure supports both technical precision and client engagement, enhancing overall project execution in the nuclear engineering environment.