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Project Engineer Intern Summer 2026

Sully-Miller Holding Co.
Brea, CA Intern
POSTED ON 11/18/2025 CLOSED ON 12/16/2025

What are the responsibilities and job description for the Project Engineer Intern Summer 2026 position at Sully-Miller Holding Co.?

Sully-Miller Contracting Co., the Colas USA subsidiary that operates throughout Southern California, is a company with over 100 years in the construction industry. Since 1923, Sully-Miller has become one of the premier construction contractors in Southern California, building much of the region's infrastructure including airports, seaports, rail and intermodal, military/federal, roads, highways, and specialty projects. To learn more about Sully-Miller Contracting Co. visit www.sully-miller.com.

The Colas USA Family of Companies provides competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company's value chain. To learn more about the Colas USA Family of Companies, please visitwww.colasusa.com.

Compensation

$26 per hour

Job Summary

The Project Engineer (P.E) Intern will support the project team by assisting with various operational tasks while gaining practical experience in business practices and project management.

Main Responsibilities
  • Participate in project planning sessions to understand project scope, timelines, and deliverables
  • Assist team members in the execution of project tasks and activities, contributing to project milestones
  • Prepare for and participate in pre-job and weekly meetings, taking notes on key discussion and action item
  • Provide updates on project status in weekly meetings, highlighting progress and any challenges faced
  • Assist with tracking project costs through timesheets, weekly quantities and job cost reports
  • Assist with maintaining both cost report and billing quantities
  • Organize and maintain project documentation, including contracts, change orders, and correspondence
  • Keep detailed logs of project activities, including daily reports of work performed and progress made
  • Scan, index, and organize documents and files for project reference
  • Other duties as assigned
Education

Must be actively working towards a college degree in engineering or a related field

Skills
  • Ability to multitask efficiently and effectively and be flexible
  • Ability to work both independently and collaboratively within a team environment
  • Ability to work under pressure and meet short deadlines and process projects quickly
  • Basic math skills with the ability to calculate and analyze data
  • Exceptional attention to detail
  • Excellent organizational skills
  • Excellent verbal and written communication skills
  • Thorough and accurate in all aspects of work
  • Ability to work well with all levels of the organization
  • Must possess a mindset for making continuous improvements of department processes
  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint)

Colas Inc. and its subsidiaries are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view theEEO document.If you are an individual with a disability and require a reasonable accommodation to:

  • to meet the requirements of the role in which you are applying
  • complete any part of the application process
  • access or use the online application process and need an alternative method for applying

Please contact Colas Inc. at 973-290-9082 or send an email toColasRecruiter@colasinc.com.


Colas Inc. and its subsidiaries (Sully-Miller) are Equal Opportunity Employers. For details on the specifics of this commitment, please click here. If you need an accommodation to access the information provided on this website, please contact Colas Inc. 973-290-9082 or send an email to ColasRecruiter@colasinc.com.

 

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Hourly Wage Estimation for Project Engineer Intern Summer 2026 in Brea, CA
$40.00 to $49.00
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