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Commissioning Internship Jobs (NOW HIRING)

MUAQUA ENGINEERING INC

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Commissioning Engineer

Phoenix, AZ · On-site

... internship, co-op, or hands-on experience in engineering, commissioning, construction, water treatment, semiconductor, or industrial projects is a plus. * Basic understanding of mechanical systems ...

MUAQUA ENGINEERING INC

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Commissioning Engineer

Phoenix, AZ · On-site

... internship, co-op, or hands-on experience in engineering, commissioning, construction, water treatment, semiconductor, or industrial projects is a plus. * Basic understanding of mechanical systems ...

Blattner Energy, Inc.

Commissioning Foreman

Avon, MN · On-site

$41.29 - $58.32/hr

Coordinates with the Commissioning Principal to plan resources and equipment allocations * Prepares ... interns; part-time interns are excluded) * Competitive pay * Per diem for meal, lodging and ...

Blattner Energy, Inc.

Commissioning Foreman

Charleston, WV · On-site

$41.29 - $58.32/hr

Coordinates with the Commissioning Principal to plan resources and equipment allocations * Prepares ... interns; part-time interns are excluded) * Competitive pay * Per diem for meal, lodging and ...

Helix Electric

Commissioning Engineer

Cedar Rapids, IA · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

Helix Electric

Commissioning Engineer

Phoenix, AZ · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

Helix Electric

Commissioning Engineer

Phoenix, AZ · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

Helix Electric, Inc.

Commissioning Engineer

Phoenix, AZ · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

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Helix Electric

Commissioning Engineer

Cedar Rapids, IA · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

Helix Electric

Commissioning Engineer

Cedar Rapids, IA · On-site

... Previous internship, co-op, or project engineering experience in commissioning or electrical construction PHYSICAL DEMANDS: * Must be able to work in extreme indoor and outdoor environmental ...

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All JobsCommissioning Internship Jobs

Commissioning Internship information

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$40K

$103.5K

$165.5K

How much do commissioning internship jobs pay per year?

As of Jul 3, 2026, the average yearly pay for commissioning internship in the United States is $103,451.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,500.00 and $130,000.00 per year, depending on experience, location, and employer.

What is the difference between Commissioning Internship vs Commissioning Engineer?

AspectCommissioning InternshipCommissioning Engineer
Required CredentialsTypically pursuing or recent graduate in engineering or related fieldBachelor's or higher in engineering, relevant certifications often preferred
Work EnvironmentEntry-level, supervised, learning-focusedProfessional, independent, project-driven
Employer & Industry UsageInternships offered by engineering firms, construction, or energy companiesFull-time roles in similar industries
Common Search & ComparisonYesYes

The main difference is that a Commissioning Internship is an entry-level, learning position for students or recent graduates, while a Commissioning Engineer is a full-time professional responsible for overseeing and executing commissioning processes. Internships provide hands-on experience, whereas engineers lead projects and make critical decisions in commissioning activities.

Is 20 dollars an hour good for an internship?

For a commissioning internship, $20 an hour is generally considered competitive, especially for entry-level positions that may require technical skills or certifications. Internships often pay less than full-time roles, but this rate can vary based on industry, location, and the complexity of tasks involved.

What does a commissioning intern do?

A commissioning intern assists in the testing, startup, and verification of equipment and systems to ensure they operate according to specifications. They often work alongside engineers, use tools like test equipment, and may gain experience with building automation, control systems, and safety protocols during their internship.

Is 23 dollars an hour good for an internship?

For a commissioning internship, $23 an hour is generally considered above average, as many internships pay between minimum wage and $20 per hour. The pay can vary based on location, industry, and required skills such as technical knowledge or certifications. It is important to consider the internship's responsibilities and whether the compensation aligns with industry standards in your area.

What are the big 4 internships?

The 'Big 4' internships typically refer to internship programs offered by the four largest professional services firms: Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG. These internships provide experience in auditing, consulting, tax, and advisory services and are highly competitive for students pursuing careers in accounting and finance.
More about Commissioning Internship jobs
What cities are hiring for Commissioning Internship jobs? Cities with the most Commissioning Internship job openings:
What are the most commonly searched types of Commissioning jobs? The most popular types of Commissioning jobs are:
What states have the most Commissioning Internship jobs? States with the most job openings for Commissioning Internship jobs include:
What job categories do people searching Commissioning Internship jobs look for? The top searched job categories for Commissioning Internship jobs are:
Commissioning Internship jobs near you
Infographic showing various Commissioning Internship job openings in the United States as of June 2026, with employment types broken down into 2% As Needed, 95% Full Time, 1% Part Time, 1% Temporary, and 1% Contract. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $103,451 per year, or $49.7 per hour.

Commissioning Engineer

MUAQUA ENGINEERING INC

Phoenix, AZ • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago

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Job description

Overview

MU Aqua Engineering Inc. is the U.S. subsidiary of Mega Union, a Taiwan-based company specializing in water treatment system services and semiconductor process water solutions.

We are seeking a Commissioning Engineer to support the pre-commissioning, commissioning, testing, startup, and optimization of water treatment systems. This role will assist with system inspection, testing, troubleshooting, documentation, and site coordination to ensure project execution meets safety, quality, and operational requirements.

Key Responsibilities

  • Support pre-commissioning and commissioning activities for water treatment systems, including pure water, wastewater, and related process systems.
  • Perform system inspections to verify piping, equipment, instrumentation, and electrical installation completeness and correctness.
  • Assist with deficiency tracking, punch list follow-up, testing, troubleshooting, and system startup activities.
  • Support water-filling tests, pneumatic and hydraulic pressure tests, equipment inspection, and related commissioning tests.
  • Prepare and maintain commissioning records, test reports, progress updates, meeting materials, and client reports.
  • Review construction drawings and technical documents to ensure alignment with site conditions and project requirements.
  • Coordinate with internal engineering teams, vendors, subcontractors, and clients to support smooth project execution.
  • Assist with site work planning, material/equipment coordination, procurement requests, and internal document submissions.
  • Ensure all work follows project specifications, safety standards, quality requirements, and company procedures.
  • When commissioning activities are limited, support Site Engineer-related tasks, including site coordination, construction follow-up, and field documentation.

Qualifications

  • Bachelor’s degree in Mechanical Engineering, Industrial Engineering, Chemical Engineering, Environmental Engineering, Electrical Engineering, Automation, or a related field.
  • Entry-level candidates are welcome; internship, co-op, or hands-on experience in engineering, commissioning, construction, water treatment, semiconductor, or industrial projects is a plus.
  • Basic understanding of mechanical systems, piping systems, equipment installation, instrumentation, or water treatment processes is preferred.
  • Ability to read engineering drawings, P&ID, process flow diagrams, piping layouts, or related technical documents is preferred.
  • Willingness to work in a hands-on, fully on-site project environment.
  • Strong problem-solving skills, attention to detail, communication skills, and ability to coordinate with internal teams, vendors, subcontractors, and clients.
  • Strong safety awareness and ability to work in a fast-paced, multicultural, and cross-functional project environment.

Company Description

MU Aqua Engineering Inc. is the U.S. subsidiary of Mega Union, a company headquartered in Taiwan and recognized as a leader in off-site RO membrane and polisher resin cleaning services. Mega Union operates specialized facilities in Taoyuan, Zhongli, Taichung, and Tainan, and is committed to providing localized, high-quality service across the region. MU Aqua brings extensive experience from multinational companies and possesses advanced technical expertise in ultrapure water systems, as well as semiconductor and photovoltaic process water recycling. This combination of global experience and practical know-how supports the company’s commitment to excellence and innovation in service delivery.