Back to Jobs search

Senior / Specialist Mechanical Engineer (E4/E5)

System One • Hartsville, SC • 2d ago

Job Title: Senior / Specialist Mechanical Engineer (E4/E5)

Company: System One

Location: Remote or Onsite (Naperville, IL | Atlanta, GA | Ridgeland, MS)

Position Type: Long-Term Contract

Position Overview

System One is seeking a Senior or Specialist Mechanical Engineer (E4/E5) to support design modification packages for mechanical systems and components in nuclear power plants. This role is part of a growing engineering team focused on delivering high-quality solutions for complex nuclear projects.

The ideal candidate will bring strong technical expertise in mechanical system design, along with the ability to lead projects, review complex calculations, and mentor junior engineers.

Key Responsibilities

Develop and support engineering design modification packages for nuclear plant systems

Perform and review complex calculations and design deliverables

Analyze mechanical and electromechanical systems using principles of:

Mechanics

Thermodynamics

Hydraulics

Heat transfer

Materials science

Establish performance specifications for systems, components, and equipment

Lead investigations, system studies, and technical evaluations

Provide technical leadership and guidance to junior engineers

Serve as technical lead on complex projects or lead small-to-medium projects

Collaborate with multidisciplinary teams to determine priorities and project impacts

Interface directly with clients to define scope, methodology, and deliverables

Support engineering change processes and ensure compliance with nuclear standards

Participate in plant walkdowns, technical discussions, and client presentations

Required Qualifications

Bachelor of Science in Mechanical Engineering from an ABET-accredited program

8-10+ years of relevant mechanical engineering experience

Strong knowledge of:

Mechanical system design in nuclear power plants

Applicable codes, standards, and regulations

Nuclear Quality Assurance standards

Experience supporting engineering change control processes in nuclear environments

Excellent problem-solving, analytical, and technical skills

Strong written and verbal communication skills

Ability to manage multiple priorities and work effectively under pressure

Proven ability to collaborate across teams and build client relationships

Additional Requirements

Ability to travel occasionally for plant walkdowns, client meetings, and presentations

Must be authorized to work in the U.S. without sponsorship

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

M-

LI-TC1

Ref: #161-Managed Staffing Charlotte

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

Similar Jobs

Mechanical Design Engineer (No Sponsorship or OPT)

GE HealthCare • Florence, SC • 1d ago

IT & Engineering

Job Description Summary We are seeking a skilled Mechanical Design Engineer to provide mechanical or electromechanical designs for new or existing products within our business segment. Utilizing 3D solid modeling tools a...

1d ago

Go to Apply

Electrical Engineer III or Senior - Robinson Nuclear Plant

Duke Energy • Hartsville, SC • 3d ago

IT & Engineering

Important Application Submission Information In order to ensure your application is successfully received before the job posting expires, please submit your application by 11:59 PM on Tuesday, April 28, 2026 More than a...

3d ago

Go to Apply

Engineering Co-op/Intern - Fall 2026

GE HealthCare • Florence, SC • 6d ago

IT & Engineering

Job Description Summary GE HealthCare is a leading global medical technology and digital solutions innovator. Our purpose is to create a world where healthcare has no limits. Join us to turn ideas into world-changing rea...

6d ago

Go to Apply

Administrator, Systems Operator, SA

Ricoh Americas Corporation • Florence, SC • 1w ago

IT & Engineering

Administrator, Systems Operator, SA POSITION PROFILE The SA - Digital Automation Systems Operator works within designated Service Advantage Partner locations as the on-site Systems Operator. Operates and supports a varie...

1w ago

Go to Apply

Associate Mechanical Engineer

Otis Elevator Company • Florence, SC • 1w ago

IT & Engineering

Date Posted: 2026-03-20 Country: United States of America Location: OT541: TFP - Florence, SC 1500 Otis Way, Florence, SC, 29501 USA We are seeking a Mechanical Engineer to provide design and support of field turnbacks f...

1w ago

Go to Apply

Nuclear Field Engineer (Mechanical/Structural)

System One • Hartsville, SC • 1w ago

IT & Engineering

Job Title: Nuclear Field Engineer (Mechanical/Structural) Location: Hartsville, South Carolina Type: Contract Contractor Work Model: Onsite System One is seeking an experienced Field Engineer with a mechanical and struct...

1w ago

Go to Apply

Mechanical Engineer

Nucor Steel Auburn, Inc. • Darlington, SC • 2w ago

IT & Engineering

Job Details Division: [[division_obj]] Location: [[filter4]], [[filter3]], [[filter2]] Other Available Locations: [[mfield1]] Welcome to Nucor, where our unique culture sets us apart. Joining Nucor means becoming part of...

2w ago

Go to Apply

PPM Electrical Multi-Site Superintendent- Traveling Required (1.4)

EMCOR Group • Society Hill, SC • 2w ago

IT & Engineering

About Us We are a leading industrial mechanical, electrical, and civil construction services provider for the fossil and nuclear power, pulp and paper, chemical, mining, and general manufacturing industries. We provide a...

2w ago

Go to Apply

Electrical Engineer

Otis Elevator Company • Florence, SC • 2w ago

IT & Engineering

Date Posted: 2026-03-20 Country: United States of America Location: OT541: TFP - Florence, SC 1500 Otis Way, Florence, SC, 29501 USA Would you like to join a truly international, talent driven company that values Safety,...

2w ago

Go to Apply

Sr. Mechanical Project Engineer

Smurfit Westrock • Florence, SC • 2w ago

IT & Engineering

Sr. Mechanical Project Engineer - Florence, SC The opportunity: The Florence Mill is seeking a Sr. Mechanical Project Engineer with the ability to apply a wide range of design experiences and mechanical engineering exper...

2w ago

Go to Apply

Subscribe to get new jobs sent directly to you
(no charge, cancel anytime)

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.