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Environmental Intern Jobs in Colorado (NOW HIRING)

We're looking for motivated, adaptable individuals who thrive in fast-paced environments and enjoy ... As an intern, you'll get hands-on experience right away, working alongside project teams and ...

Summer 2028 Assurance Intern

Denver, CO · On-site

$15.50 - $20/hr

... an environment that is diverse and equitable for all team members and the firm to achieve growth ... Intern Hourly Rate EEO Employer W/M/Vet/Disabled Equal Opportunity Employer This employer is ...

... an environment that is diverse and equitable for all team members and the firm to achieve growth ... Intern Hourly Rate EEO Employer W/M/Vet/Disabled Equal Opportunity Employer This employer is ...

... an environment that is diverse and equitable for all team members and the firm to achieve growth ... Intern Hourly Rate EEO Employer W/M/Vet/Disabled Equal Opportunity Employer This employer is ...

Summer 2027 Assurance Intern

Denver, CO · On-site

$15.50 - $20.50/hr

... an environment that is diverse and equitable for all team members and the firm to achieve growth ... Intern Hourly Rate EEO Employer W/M/Vet/Disabled Equal Opportunity Employer This employer is ...

Winter/Spring 2028 Assurance Intern

Denver, CO · On-site

$15.50 - $20.50/hr

... an environment that is diverse and equitable for all team members and the firm to achieve growth ... Intern Hourly Rate EEO Employer W/M/Vet/Disabled Equal Opportunity Employer This employer is ...

Showing results 21-40

Environmental Intern information

See Colorado salary details

$11

$19

$26

How much do environmental intern jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for environmental intern in Colorado is $19.60, according to ZipRecruiter salary data. Most workers in this role earn between $17.21 and $21.73 per hour, depending on experience, location, and employer.

What does an environmental intern do?

An Environmental Intern assists environmental professionals by conducting research, collecting data, and supporting projects related to environmental protection and sustainability. Typical tasks may include fieldwork such as water or soil sampling, laboratory analysis, data entry, and preparing reports. They may also help with environmental education, compliance assessments, and organizing community outreach events. The role provides hands-on experience and exposure to real-world environmental issues, helping interns build valuable skills for a future career in the field.

What types of projects or tasks can I expect to work on as an environmental intern?

As an Environmental Intern, you can expect to assist with a variety of tasks such as data collection and analysis, field sampling, report preparation, and supporting environmental impact assessments. You may work closely with both field and office teams, helping to monitor environmental compliance or participating in sustainability projects. This hands-on experience provides valuable exposure to industry tools and practices, while also allowing you to collaborate with professionals from different backgrounds, such as engineers, scientists, and project managers.

What are the key skills and qualifications needed to thrive as an environmental intern, and why are they important?

To thrive as an Environmental Intern, you generally need a background in environmental science or a related field, strong analytical skills, and a basic understanding of ecological principles. Familiarity with data collection tools, GIS software, and Microsoft Office Suite is often required, and some roles may prefer candidates with HAZWOPER or similar safety certifications. Attention to detail, effective communication, and a willingness to learn are important soft skills for success in this position. These competencies are essential for supporting environmental projects, ensuring accurate data analysis, and contributing effectively to team objectives.

What are the most commonly searched types of Environmental jobs in Colorado?

The most popular types of Environmental jobs in Colorado are:

What cities in Colorado are hiring for Environmental Intern jobs?

Cities in Colorado with the most Environmental Intern job openings:

Infographic showing various Environmental Intern job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $40,775 per year, or $19.6 per hour.

Sustainability Intern

M. A. Mortenson Company

Denver, CO • On-site

$18/hr

Full-time

Posted 11 days ago


Mortenson rating

8.4

Company rating: 8.4 out of 10

Based on 19 frontline employees who took The Breakroom Quiz


Job description


Sustainability Intern
Join a team that's passionate about building inspiring spaces and pushing the industry forward in smarter, more innovative ways. As a top builder, developer, and EPC (Engineering, Procurement, and Construction), our expertise spans markets like sports, renewable energy, data centers, healthcare, and more. At Mortenson, we're grounded in offering meaningful work, real career growth, and a collaborative culture where your ideas and contributions matter.
We're looking for motivated, adaptable individuals who thrive in fast-paced environments and enjoy working with a diverse range of people. If you're proactive, curious, and ready to make an impact while growing your career, check out our opportunities!
As an intern, you'll get hands-on experience right away, working alongside project teams and partners to keep things moving. You'll help solve real problems, stay organized, communicate across teams, and make an impact from day one while building the foundation for your career.
Responsibilities
As a Sustainability Engineer Intern at Mortenson, you will interact with a variety of people to implement Mortenson's Build for the Greater Good program. You will work at our Denver, CO office and support the sustainability team.
Highlights of your time with this Mortenson internship will include:
  • In-depth research addressing all facets of sustainable building practices

  • Assisting in unorthodox data collection - be it calling local agencies or diving several levels deep in online search

  • Exploration and discovery of new publicly available informational sources and unidentified analytics-focused tools/capabilities that contribute to sustainable building initiatives

  • Collecting, updating, and fact-checking existing structures and project profiles

Program Overview:
Our summer intern program (May - August 2027) is designed to give you real, hands-on experience from day one, working on meaningful projects that directly impact the business. You'll gain exposure to innovative work, build professional skills through development opportunities, and be supported by a team that values your growth. Your ideas matter here, and you'll have the chance to contribute, learn, and make a difference while exploring your career path.
Required Qualifications:
Cultivate your skills in your chosen field of study and build your career with Mortenson. We look forward to hearing from you if you:
  • Currently pursuing an undergraduate, four-year degree in Environmental Science, Environmental Engineering, Architecture, Engineering, or other related degree

Preferred Qualifications:
  • Have previous related internship experience

  • Are currently enrolled as an undergraduate junior

  • Have a basic understanding of construction and generally accepted business practices

  • Demonstrate strong collaboration, communication, and problem-solving skills and show initiative and leadership

  • Showcase a positive and professional attitude and solid customer service skills

  • Are detail-oriented, organized, and can effectively handle multiple competing priorities

The hourly wage for college Interns starts at $18. Students may be paid higher wages based on their year in school.
Please make note:
  • Visa sponsorship is not offered for this position.

  • Our postings are typically open a minimum of 5 days and an average of 44 days.

Equal Employment Opportunity
Your uniqueness brings new and creative perspectives to the team. Mortenson is committed to providing equal opportunities of employment (EOE) to all individuals, regardless of your race, religion, gender, national origin, age, veteran status, disability, marital status or any other legally protected category.
Other Items to Note
  • Mortenson reserves the right to hire any individual without legal or financial obligation on unwanted solicitations. No agency emails, calls, or solicitations are accepted without a valid agreement.

  • Must be currently legally authorized to work in the U.S. without sponsorship for employment visa status (e.g., H1B status, 0-1, TN, CPT, OPT, etc.). We are unable to sponsor or take over sponsorship of an employment Visa at this time.

What Mortenson employees say

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About M. A. Mortenson

Sourced by ZipRecruiter

M. A. Mortenson is a prominent name in the construction industry, based out of Minneapolis, MN, US. Established in 1954 by M.A. Mortenson Sr., the company has over six decades of experience offering construction services that have contributed to building lasting infrastructures across various sectors, including healthcare, energy, corporate, and sports. Mortenson has proven its exceptional expertise through a range of complex building and facility projects across the US fulfilling the customer's specifications and exceeding their expectations. Moreover, the company's core values are outlined as ‘Do the Right Thing’, ‘We Before I’, ‘Inspire What’s Possible’, and ‘In it for the long haul’.

Industry

Manufacturing and construction

Company size

1,001 - 5,000 Employees

Headquarters location

Minneapolis, MN, US

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