Commissioning Accounting Intern - Summer 2026

Commissioning Accounting 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: The Accounting Intern will support the Accounting team within our Commissioning Services business by assisting with basic accounting and administrative tasks. This internship is designed to provide hands-on exposure to commissioning and construction accounting in a real-world environment while supporting the growing volume of project set-ups and administrative documentation. The role emphasizes organization, attention to detail, and learning the full accounting lifecycle from project set-up through closeout.

 

Responsibilities:

• Perform basic accounting data entry with a high level of accuracy
• Assist with project set-up processes in the ERP system, including initial data entry and document preparation
• Organize and maintain electronic project and accounting files to ensure completeness and accessibility
• Support month-end close preparation by gathering and organizing required backup documentation
• Assist the Accounting team with administrative tasks related to document control and record retention
• Review information for completeness and accuracy and flag discrepancies as needed
• Follow established accounting and documentation processes and internal controls

Learning Objectives & Internship Outcomes

By the end of the internship, the intern will:

• Gain hands-on exposure to commissioning and construction accounting
• Understand the end-to-end flow of commissioning projects, from set-up to close
• Learn how accounting supports project operations and financial tracking
• Develop practical experience with the accounting lifecycle and month-end processes
• Learn how to set up and review projects and monitor progress within an ERP system
• Build strong organizational habits and attention to detail in a professional setting

Measures of Success

Success in this internship will be demonstrated by:

• Maintaining well-organized, complete, and up-to-date project and accounting files
• Completing data entry and administrative tasks with minimal errors
• Demonstrating attention to detail and follow-through
• Showing a clear understanding of project set-ups and the flow of accounting information from open to close
• Actively learning and applying feedback from the Accounting team

What This Role Supports

This internship supports the team by:

• Reducing the administrative burden of data entry and document controls
• Providing additional support for the increasing volume of project set-ups
• Allowing accounting Team Members to focus on higher-level analysis and review
• Creating a development opportunity for students interested in accounting within a commissioning and construction environment

Qualifications

• Currently pursuing a degree in Accounting, Finance, Business, or a related field
• Interest in accounting operations, construction accounting, or commissioning services
• Strong organizational skills and attention to detail
• Basic proficiency with Microsoft Excel and document management tools
• Willingness to learn new systems and processes, including ERP software

Travel: Remote

Compensation & Benefits

The expected base salary range for this role is $22.00 - $25.00 USD per hour.   This internship position is not eligible for participation in company benefit plans.

 

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.