Environmental Intern - Summer 2027

Sully-Miller Contracting Co.; Irwindale (CA); On-site; USD 30,000 - 41,000; Full time

Job summary

Sully-Miller Contracting Co., a Colas USA subsidiary and long‑standing Southern California contractor, seeks an Environmental Intern to assist with field inspections, documentation, and implementing environmental control measures on construction projects. This internship offers hands‑on exposure to environmental regulations, best management practices, and sustainability within heavy civil work.

You will gain experience working on projects across airports, seaports, roads, and intermodal

Qualifications

• Must be currently pursuing a Bachelor’s degree in Environmental Science, Environmental Engineering, Sustainability, Construction Management, or a related field

Responsibilities

• Assist with implementation and monitoring of Storm Water Pollution Prevention Plans (SWPPP) and other environmental control measures
• Conduct and document routine environmental and stormwater inspections at project sites
• Support tracking, filing, and maintenance of environmental permits, plans, and compliance documentation
• Assist in preparation of required reports for regulatory agencies (e.g., SWPPP logs, inspection reports, corrective actions)
• Observe and support Best Management Practices (BMPs) related to erosion control, stormwater, air quality, and waste management
• Help coordinate corrective actions for environmental deficiencies identified in the field
• Participate in site walks, meetings, and training related to environmental compliance and sustainability
• Assist with data entry, recordkeeping, and organization of environmental files
• Support special projects related to environmental initiatives, audits, or sustainability goals
• Perform other duties as assigned

Skills

Attention to detail

Organizational skills

Written and verbal communication

Teamwork

Education

Bachelor’s degree in Environmental Science/Environmental Engineering/Sustainability/Construction Management (in progress)

Tools

Microsoft Office (Excel, Word, Outlook)

Job description

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 visit www.colasusa.com.

Compensation

$26 per hour

Job Summary

The Environmental Intern supports Sully‑Miller Contracting Co.’s environmental compliance efforts by assisting with field inspections, documentation, and implementation of environmental control measures on construction projects. This role provides hands‑on experience working with environmental regulations, best management practices, and sustainability efforts within the heavy civil construction industry.

Main Responsibilities

• Assist with implementation and monitoring of Storm Water Pollution Prevention Plans (SWPPP) and other environmental control measures
• Conduct and document routine environmental and stormwater inspections at project sites
• Support tracking, filing, and maintenance of environmental permits, plans, and compliance documentation
• Assist in preparation of required reports for regulatory agencies (e.g., SWPPP logs, inspection reports, corrective actions)
• Observe and support Best Management Practices (BMPs) related to erosion control, stormwater, air quality, and waste management
• Help coordinate corrective actions for environmental deficiencies identified in the field
• Participate in site walks, meetings, and training related to environmental compliance and sustainability
• Assist with data entry, recordkeeping, and organization of environmental files
• Support special projects related to environmental initiatives, audits, or sustainability goals
• Perform other duties as assigned

Education And/or Work Experience

• Must be currently pursuing a Bachelor’s degree in Environmental Science, Environmental Engineering, Sustainability, Construction Management, or a related field

Skills

• Strong attention to detail and organizational skills
• Ability to work effectively in both field and office environments
• Strong written and verbal communication skills
• Proficiency with Microsoft Office (Excel, Word, Outlook)
• Ability to work independently and as part of a team
• Willingness to learn and ask questions in a fast‑paced construction environment

Physical Requirements

• Ability to utilize hands and fingers in order to type and carry reports should the need require
• Ability to stand, walk, and reach with arms and hands throughout the workday should the need arise
• Ability to climb, balance, stoop, kneel, and crouch should the need arise
• Ability to sit for a long period of time, possibly more than 90% of the workday
• Ability to see clearly or with assistance via necessary correction

Colas Inc. And Its Subsidiaries Are An Equal Opportunity Employer. For Details On The Specifics Of This Commitment, Please Click Here To View The EEO 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 to [e-mail].