Senior Engineer, Mechanical (Nuclear)

Aecon U.S.; Charlotte (NC); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Health Insurance

401(k) match

Paid Vacation

Wellness subsidy

Tuition Reimbursement

Job summary

A leading infrastructure development firm is seeking a Sr. Mechanical Engineer in Charlotte, North Carolina. This role involves developing design modification packages for mechanical systems within nuclear power plants. Candidates should have a Bachelor’s degree in Mechanical Engineering and 5-10 years of relevant experience, particularly within nuclear settings. Responsibilities include performing engineering calculations and preparing detailed drawings. The position offers a competitive salary and comprehensive benefits, emphasizing a commitment to safety, diversity, and employee well-being.

Qualifications

• 5-10 years of relevant mechanical engineering experience, with at least 4 years in nuclear.
• Ability to obtain unescorted access to a nuclear power plant.

Responsibilities

• Develop design modification packages for mechanical systems.
• Perform hydraulic analysis, equipment sizing, and heat load analysis.
• Prepare engineering drawings including P&ID and isometric drawings.
• Interface with stakeholders for project scope determination.

Skills

Mechanical design

Engineering calculations

Project scope assessment

Education

Bachelor of Science in Mechanical Engineering

Tools

AFT FATHOM

Job description

Company Overview

Come Build Your Career at Aecon! As a North American leader in infrastructure development, Aecon is safely and sustainably building what matters for future generations to thrive! We lead some of the most impactful infrastructure projects of our generation, at the forefront of transformational change in transportation and energy, and partner every day to build, connect, power, and strengthen our communities.

Our Core Values

• Safety Always. Our number one core value. If we can’t do it safely, we don’t do it at all.
• Integrity. We lead by example, with humility and courage.
• Accountability. We’re passionate about delivering on our commitments.
• Inclusion. We provide equitable opportunities for everyone.

At Aecon We

• Ensure you and your family receive the services needed to support your mental, emotional, and physical well‑being.
• Believe in helping you build your career through our Aecon University and Leadership Programs.
• Are committed to supporting and investing in inclusive work environments, through initiatives like Diversity, Equity, Inclusion, & Accessibility training, our Aecon Women in Trades and Aecon Diversity in Trades programs, and our Employee Resource Groups (ERGs) to ensure we are building inclusion into every aspect of our culture at Aecon.
• Are a leader in sustainable construction. With a strong commitment to operating responsibly by minimizing our impact on the environment and surrounding communities.

Our business success relies on strong execution and continuous improvement – driven by the diversity, expertise and teamwork of our people. We’re always searching the globe for innovative, collaborative minds to join our best‑in‑class Aecon community!

At Aecon Engineering Services Inc. (United), we are a team of engineers, builders, planners, and thinkers that design and build today’s infrastructure, for tomorrow. We come to work every day committed to drive growth and deliver projects that matter for our clients, ourselves, and our communities. Through our work in the nuclear, conventional generation, renewable and power delivery markets, we create resilient infrastructure to last generations.

In December 2024, United Engineers and Constructors was acquired by Aecon Group Inc. Aecon and United have a proven working relationship and the United team continues to operate in the market as an engineering, procurement and construction (EPC) company.

We are looking for a Sr. Mechanical Engineer to support a number of our nuclear power plant projects. The successful candidate will be working as part of a team of engineers and designers preparing modification packages for mechanical systems serving the nuclear power industry.

What You’ll Do Here

• Develop design modification packages for mechanical systems at a nuclear power plant.
• Perform engineering calculations such as hydraulic analysis, equipment sizing, HVAC sizing, heat load analysis, and pressure loss calculations.
• Develop mechanical design and procurement specifications.
• Prepare engineering drawings such as Piping and Instrument Diagrams (P&ID), General Arrangement (GA), Equipment Plan, Piping Orthographic and Isometric drawings.
• Develop material and workhour estimates as well as engineering and design schedules.
• Exercise sound engineering judgment in assessing problem situations or complex issues, review completed work to ensure accuracy and compliance with codes and design criteria.
• Interface with plant stakeholders to determine project scope/requirements, support construction/implementation and start‑up activities as required.

What You Bring To The Team

• Bachelor of Science degree in Mechanical Engineering from a four‑year accredited college or university.
• Minimum of 5‑10 years of relevant experience (at least 4 years nuclear) in the mechanical engineering field.
• The ability to obtain unescorted access to a nuclear power plant.

Preferred Qualifications

• NANTeL Certified in the Nuclear Standard Design Process (IP‑ENG‑01).
• Professional Engineering (PE) license in the U.S.
• Experience with fluid flow software (AFT FATHOM, or Equivalent).
• Experience with Fire Protection and Detection Systems.

Base Salary Range: $100,000.00 - $150,000.00

Individual pay is determined based on several factors, including work location, education, experience, unique skills and job conditions. Other considerations may include certifications, specialized training, and the complexity or scope of the role.

Benefits Include

• Health Insurance Benefits (Comprehensive Plan – Dental/Medical/Vision).
• 401(k) (comprehensive match plan).
• Paid Vacation – (vacation/wellness days).
• Health and Wellness Home Benefit – (wellness subsidy for fitness/health).
• Tuition Reimbursement – (strong career growth support for approved degrees, diplomas and courses).

Citizenship Requirement

This position requires access to nuclear facilities and information governed by U.S. federal regulations. As a result, applicants must be U.S. citizens to meet eligibility and security clearance requirements.

Aecon fosters diversity, inclusion and belonging within and across our organization. We consider all applicants for positions without regard to race, color, religion, sex, national origin, age, mental or physical disabilities, veteran status, and all other characteristics protected by law.

We are committed to adhering to the objectives and requirements outlined in the Equal Employment Opportunity Commission (EEOC), and to meeting the accessibility needs of persons with disabilities in a timely manner, through the implementation of the requirements of the EEOC and its applicable regulations. Appropriate accommodation under the EEOC will be provided upon request throughout the interview and hiring process.