Senior Mechanical Engineer 2 - Nuclear

Sargent & Lundy; Chicago (IL); Hybrid; USD 100,019 - 152,807; Full time

Benefits offered by this job

Health Plans: Medical, Dental, Vision

401(k)

Tuition Assistance

Flexible Work Arrangements

Job summary

Sargent & Lundy is seeking a qualified engineer to join their Nuclear Power Group in Chicago, offering a hybrid work arrangement. The role involves modifying packages for nuclear power plants and overseeing engineering teams. Candidates should have a BS/MS in Mechanical or Chemical Engineering and at least 7 years of experience in the power industry.

The compensation range is $100,019 - $152,807, with comprehensive benefits including health plans, 401(k), and tuition assistance. Join a team committed to clean, carbon-free energy solutions.

Qualifications

• Minimum 7 years of experience in the power industry.
• Working knowledge of codes, standards, and regulations for nuclear power.
• PE license is beneficial but not required.

Responsibilities

• Modify packages for operating nuclear power plants.
• Develop engineering cost estimates for client work scopes.
• Lead engineering project teams.

Skills

Mechanical Engineering

Nuclear Power Industry Knowledge

Engineering Management

Education

BS or MS in Mechanical or Chemical Engineering

Tools

Python

MATLAB

Advanced Excel

Job description

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.

Responsibilities

• 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

Additional Opportunities

• 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

• 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 7 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
• We do not sponsor employees for work authorization in the U.S.

AI & Automation

• 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
• Direct automation and process‑improvement work, e.g., how teams automate calculations, summarize technical documents, or generate design documentation, and guide the use of AI tools while ensuring results are checked
• Oversee engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs (valued but not required)
• 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

Benefits

• 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

$100,019 - $152,807

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.

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.