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JSG (Johnson Service Group, Inc.)

Piping Principal Designer (Nuclear)

greenville, SC

Check who can apply and the requirements below before continuing.

About this opportunity

JSG (Johnson Service Group, Inc.) lists this Piping Principal Designer (Nuclear) opportunity in greenville, South Carolina. Review the employer’s description below for duties, qualifications and application requirements.

Job description

Overview

U.S. Citizen. Johnson Service Group (JSG) is working with a client that is expanding its footprint in the nuclear and energy sectors, supporting some of the most complex, high-impact projects across the U.S. This is more than a role — it’s a chance to be part of a collaborative team that’s helping shape the energy transition and delivering solutions for industries that matter.

Pay: $150-$160K (DOE)

Location: Greenville, SC (100% on site)

Must be a U.S. Citizen.

Johnson Service Group (JSG) is working with a client that is expanding its footprint in the nuclear and energy sectors, supporting some of the most complex, high-impact projects across the U.S. This is more than a role — it’s a chance to be part of a collaborative team that’s helping shape the energy transition and delivering solutions for industries that matter.

Why should you consider this opportunity?

Be part of a trusted engineering and technical staffing leader with a strong reputation in nuclear and energy innovation.

Work on challenging, meaningful projects that directly impact the future of clean energy and energy security.

Grow your career in a supportive, nationwide team where your expertise is valued, and your development is prioritized.

Strong overall company benefits, including 401(K) with up to 6% employer contribution and a real emphasis on work-life balance and vacation time.

They focus on employee development and long-term retention, making sure that their employees are happy.

Overview

We are seeking an experienced Piping Principal Designer to lead complex piping design efforts in support of nuclear and DOE-regulated projects. This role requires deep technical expertise, the ability to work independently with minimal supervision, and experience supporting safety-critical facilities and systems.

The ideal candidate has a strong background in nuclear piping design, DOE codes and standards, and 3D modeling, and is comfortable serving as a technical lead and mentor within a multidisciplinary engineering environment.

Key Responsibilities

Provide technical leadership for piping design activities with minimal direction

Lead and/or supervise junior and intermediate designers

Prepare and check piping design deliverables including:

Piping layouts and drawings

3D models and isometrics

Piping plans, sections, and details

Execute work in compliance with project quality requirements, procedures, and client standards

Coordinate with engineering disciplines, procurement, vendors, and subcontractors

Support construction activities, field changes, and as-built documentation

Perform walkdowns and field verification as needed

Ensure designs meet applicable codes, standards, and DOE requirements

Support administrative and technical documentation related to design changes and project execution

Required Qualifications

U.S. Citizenship required

Associate degree in a related technical field or a minimum of 15 years of relevant experience

Working knowledge of applicable piping codes and standards, including DOE Orders

Experience supporting nuclear or DOE-regulated facilities

Strong background in:

Piping design and layout

3D modeling and 2D CADD

Design verification and checking

Ability to read and interpret engineering drawings, specifications, and technical documentation

Experience working in a multi-disciplinary engineering and construction environment

Excellent communication and coordination skills

Preferred Qualifications

Experience with ASME NQA-1 quality requirements

Experience supporting

Department of Energy (DOE)

Nuclear facilities or safety-related systems

Knowledge of material availability, procurement, and vendor documentation

Familiarity with

P&IDs and piping line lists

Piping stress requirements

Construction and field execution support

Previous experience serving as a lead or principal designer on large, complex projects

Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.

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Worksite address

greenville, SC, 29610, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

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