Clean Harbors Deer Park is seeking a Control Systems Engineer Intern to join our safety-focused team. This internship provides students with the opportunity to gain hands-on experience while supporting real projects that contribute to business priorities across our environmental, energy, and industrial services operations.

Interns will work alongside experienced professionals, gain exposure to our industry, and develop practical skills that support their academic and early career goals.

Why Intern with Clean Harbors?

Health and Safety is our #1 priority and we live it 3-6-5!

Clean Harbors offers students the opportunity to gain hands-on experience while working alongside professionals who are leading the way in environmental, energy, and industrial services.

Our internship program is designed to provide:

• Engagement with teams, mentors, and leaders across the organization;
• Experience through meaningful projects that support real business priorities;
• Education about the environmental services industry and Clean Harbors' operations;
• Exposure to different career paths across our lines of business.

RESPONSIBILITIES

• Ensuring Health and Safety is the #1 priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times;
• Work within Operational Technology (OT) environments and alongside industrial equipment such as rotating machinery, instrumentation, and electrical systems.
• Assist in designing, maintaining, and troubleshooting plant control networks (PCN) to ensure secure and reliable connectivity for DCS, PLC, SIS, and other automation systems.
• Support network lifecycle activities, including upgrades, patching, and obsolescence planning for OT network infrastructure.
• Participate in network health checks, diagnostics, and performance monitoring to maintain system integrity.
• Collaborate with Reliability and Automation teams to:
  • Improve network reliability and uptime.
  • Optimize network architecture for cost efficiency and scalability.
  • Implement cybersecurity best practices for OT environments.
• Assist in incident investigations related to network failures and contribute to corrective actions.
• Help maintain network documentation, including topology diagrams, IP addressing schemes, firewall rules, and switch configurations.
• Support capital projects by reviewing network requirements and ensuring compliance with corporate standards.
• Learn and apply industrial communication protocols (e.g., Ethernet/IP, Modbus TCP, OPC UA) and network segmentation principles.
• Provide technical assistance for remote access solutions and secure vendor connectivity.

QUALIFICATIONS

What does it take to intern with Clean Harbors?

• Currently pursuing a bachelor's degree in computer, electrical, electronics, or networking engineering at an accredited college or university;
• Strong interested in learning about the environmental services industry;
• Ability to work collaboratively in a professional team environment;
• Strong communication, organization, and problem-solving skills;
• Proficiency in Microsoft Office or other relevant technical tools;
• Basic understanding of networking fundamentals (TCP/IP, VLANs, routing, switching);
• Familiarity with firewalls, VPNs, and cybersecurity principles is desirable.

Want to learn more about starting your career with Clean Harbors?

As a Clean Harbors intern, you will gain hands-on experience working alongside field teams and operational leaders who support environmental and industrial services across North America. Your day may include time at a facility or project site, participating in safety briefings, observing operational processes, and learning how teams safely manage environmental services and hazardous materials.

Interns may also assist with project coordination, review operational data, and support team initiatives that help keep operations running safely and efficiently. Throughout the internship, you will gain practical exposure to the people, processes, and safety culture that drive Clean Harbors' work in the field.

About Clean Harbors

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy, and industrial services throughout the United States, Canada, Mexico, and Puerto Rico.

Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy, and industrial services. We are solving tough problems through innovation and proven methodology. Come be part of the solution with us.

Join our safety-focused team today! To learn more about our company and apply for this opportunity, visit: https://careers.cleanharbors.com/intern-co-op-programs

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact ect@cleanharbors.com or 1-844-922-5547.

Clean Harbors is a Military & Veteran friendly company.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

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Job Identification: 156047
Category: Plant & Facilities
Posting Date: 2026-03-03
Job Schedule: Part time
Regular or Temporary: Regular
Job Function: Facility Engineering
Locations: TX-DEER PARK: 802 Seaco Court
Pay Range: $37350.0 - $119972.7 Annually