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Environmental Lab Intern

Enthalpy Analytical
Orange, CA Intern
POSTED ON 1/6/2026
AVAILABLE BEFORE 3/9/2026
About You

Are you passionate about the environment and ready to join an inclusive work environment, committed to leading new ideas and pathways, and to delivering value? If the answer is, “Yes!” then we have an exciting career opportunity for you as an Intern based in our Orange, CA Laboratory.

Who are we? We are Montrose, a global environmental services provider offering environmental planning and permitting, measurement and analytical services, and environmental resiliency and sustainability solutions. Our qualified engineers, scientists, technicians, associates, and policy experts are proud of our collective expertise and the collaborative nature of our approach to helping clients. We strive to optimize environmental resiliency in a way that effectively complements our clients’ decision-making and operations and efficiently fulfills their project requirements.

We have 135 offices across the United States, Canada, Europe and Australia and over 3,000 employees – all ready to provide solutions for environmental needs.

What We Can Offer You

As a key member of our Montrose team, you can expect:

  • Mentorship and professional development resources to advance your career
  • Direct exposure to our industry’s leading experts who are solving the world’s toughest environmental challenges
  • An entrepreneurial environment where you can learn, thrive and collaborate with talented colleagues
  • Opportunities to engage and contribute in our Diversity, Fairness and Inclusion and Women Empowering Leadership employee resource groups

A DAY IN THE LIFE

Enthalpy Analytical, is part of the larger organization, Montrose Environmental Group, is comprised of over 9 laboratories servicing air, water, and soil testing. Regulations drive the need for our services, but our unique capabilities allow us to add value to clients beyond environmental compliance.

Our Orange, CA facility is currently seeking Part Time Temporary Laboratory Interns to join our team.

Hiring Timeline & Program Details

This internship opportunity will be posted starting October 3. We encourage all interested candidates to submit their application as early as possible for full consideration.

  • Application Deadline: Rolling, but priority will be given to applications received by October 20.
  • Interviews: Selected applicants will be contacted for interviews between October 13 and October 31.
  • Offers/Selections: Final decisions and offers will be extended between November 3 and November 7.
  • Planned Start Date: December 1, 2025
  • Internship Term: 6 months, with potential for extension up to 12 months based on business needs.
  • Schedule: 40 hours/week during school breaks, 20 hours/week during semester
  • Pay: $16.50/hour in 2025; Hourly rate will increase to $16.90 starting on Jan 1, 2026.
  • Departments: Sample Receiving, Wet Chemistry, Metals, Micro/IC, Volatile Organic Analysis (VOA), and Semi-Volatile Organic Analysis (SVOA), and Air

As a key member of the laboratory team, this role will be responsible for a full range of activities including:

  • Preparing samples for digestion or extraction as needed. Tasks can include but not limited to: sample login, weighing, making composites, crushing samples, incremental sampling, product sampling, sample disposal
  • Calibrating/packing equipment for use in-field or in-lab
  • Washing glassware
  • Preparing reagents as needed
  • Conducting simple water quality assays
  • Data entry
  • Perform support tasks as needed

Your Expertise And Skills

To perform this job successfully, individuals must be able to perform each duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required.

  • High School Diploma
  • Currently enrolled in a local University
  • Basic laboratory techniques (knowledge of PPE, use of balance, pipetting, glassware handling, etc)
  • Basic Excel skills required
  • Must have ability to follow directions and work in a team setting
  • Must be comfortable working with strong acids and solvents
  • Excellent communication skills required
  • Detail oriented
  • Prior Laboratory experience preferred but not required as this is an intern position
  • Knowledge of analytical method, analytical instruments, general lab practices and lab safety
  • Ability to work independently and in a team
  • Good organizational skills and strong communication skills
  • Must be able to work in a stationary position for entire shift duration
  • Must be able to lift and move up to 25 lbs independently and 50 lbs using assisted lifting equipment

The above statements are intended to describe the general nature of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties and skills required of employees so classified. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact 949-988-3500 or careers@montrose-env.com for assistance.

MAKE THE MOVE TO ACCELERATE YOUR CAREER

We are a fast-paced, dynamic and high-growth company. You will get tons of guidance and plenty of support from talented, super-smart colleagues and its service providers.

Want to know more about us? Visit montrose-env.com and have fun!

Montrose is an Equal Opportunity Employer. Montrose is committed to recruiting and hiring qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status. Montrose is committed to providing access and reasonable accommodation in its employment for individuals with disabilities.

Salary : $17 - $17

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