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$40k – $60k per year
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Hybrid (United States)
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Intern
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Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 19, 2026. Salas O'Brien scores B on the Alion truth index.

Overview
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Headquartered in Irvine, California, Salas O'Brien is an employee-owned engineering and technical consulting firm specializing in comprehensive building design, facility planning, and infrastructure solutions. The company provides multidisciplinary expertise spanning mechanical, electrical, and plumbing (MEP) engineering, structural design, commissioning, and sustainability consulting across sectors including data centers, healthcare, clean energy, and education. Through an expansive network of offices across North America, it delivers integrated technical services engineered to optimize operational efficiency and enhance the resilience of the built environment.

Commissioning Intern

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career-and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary: As a Commissioning Intern, you’ll support our building systems commissioning team. You’ll help prepare project documents, assist with field visits, and learn how building systems are tested and verified.

Responsibilities:

You’ll Be a Great Fit If

  • You’re pursuing a degree in engineering or a related field
  • You’re organized, detail-oriented, and eager to learn and grow
  • You’re comfortable with Microsoft Office and basic documentation
  • Strong written and verbal communication skills
  • You can work independently and as part of a team

Willing to travel, if necessary, to project sites to conduct field visits Physical Requirements

This role may involve occasional lifting (up to 20 pounds) and jobsite visits. Reasonable accommodations will be made as needed. Personal protective equipment (hard hat, high-vis vest, safety glasses) also required while on construction sites. Salas O’Brien will supply as needed.

Location: Remote

Compensation & Benefits:

The expected base salary range for this role is $20 - $30 USD per hour. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Third-Party Agency Notice

Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

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