Whether you are an entry-level engineer looking for a job or someone with experience looking for career growth, there are organizations that you can turn to for help and advice.
Here is a list of resources for you to explore, in your search for the environmental engineering job of your choice.
Organizations for Networking
ASHRAE
ASHRAE is an organization that connects engineers who are interested in the field of HVAC&R. Students and engineers in environmental engineering, who are looking for a place to find resources, advice, networking opportunities and possible jobs related to HVAC will benefit from an ASHRAE membership.
The American Academy of Environmental Engineers and Scientists (AAEES)
This organization is responsible for administering board certification for environmental engineers. The AAEES is also the accrediting body for programs in environmental science and engineering. The organization offers training online, reference materials, a quarterly magazine and other resources. You can become a student member of the organization, and find networking opportunities that may lead to internships and employment.

The authority that sets the standards for licensing, ethics and practice in the profession.
The National Society of Professional Engineers
This organization is the authority that sets the standards for licensing, ethics and practice in the profession. It offers plenty of resources for members, including a mentoring program, salary information and a job board where you can find relevant jobs for your field.
The Association of Environmental Engineering and Science Professors (AEESP)
This organization is meant for professors of environmental engineering and supports educationists in this field from around the world. It allows professors to network and shares information through the yearly conferences. It also features a job board, links to schools where environmental and engineering science programs are offered, and other resources. Membership is also available for graduate and postdoctoral students pursuing higher education.
Association of Civil and Environmental Engineers (ACEE)
The Association of Civil and Environmental Engineers is a non-profit organization dedicated to these two interrelated fields of engineering. The ACEE is dedicated to offering a platform for networking, sharing information through its journal, hosting international conferences, providing financial aid for research work, discount on fees for training programs etc. While most other associations charge annual fees, this association charges very low administration fees for a period of 10 years (for students, it is $100 or $150).
Work for Water
Work for Water is a joint project of the Water Environment Federation and the American Water Works Association. It is an organization that connects water professionals around the world, helps provide a platform for networking, offers training and educational programs, and other resources. The organization also offers scholarships, lists scope for internships, and features student chapters where you can get involved as a soon-to-be professional in the water industry.

Air & Waste Management Association connects engineers in the industry
Air & Waste Management Association
The Air & Waste Management Association (A&WMA) is an organization that connects engineers working in the environmental industry as well as students. Professionals can share information at conferences and seminars, receive training and further their career goals, gain access to leadership programs and other resources.
Solid Waste Association of North America (SWANA)
SWANA is a leading organization for professionals in the field of solid waste. It has as its members over 7000 members across North America. Members enjoy access to training programs, publications, certifications, conferences and more benefits. There is a scope for young professionals to network with others, gain skills through training and find out about jobs that they can be passionate about through the network.
Developmental Organizations
The following developmental organizations are ideal places to look for jobs in international projects:

An organization that has been working to improve lives, economic growth and bring about stability in developing countries
USAID
USAID is a prestigious organization that has been working to improve lives, economic growth and brings about stability in developing countries. USAID has been hiring professionals for fifty years into their ranks, through contract employment or direct hires. If you are talented at your job, USAID has the need for environmental engineers and may have a place for you. Follow the vacancy announcements which will take you to the USA Jobs site here.
Peace Corps
Volunteering for the Peace Corps can be highly rewarding as well, especially during the time right after graduation when you can gain some experience before you get your first job. Since employers value experience, volunteering in a developing country abroad can add to your resume, give you the chance to experience working on the field, and make it easier to get hired when you return.