Entry Level Science Jobs in Irvine, CA (NOW HIRING)

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking an entry-level Environmental Scientist to join our Environmental Team in Long Beach, California. The successful candidate will support environmental investigation, monitoring, and remediation projects throughout Southern California while working alongside experienced scientists, geologists, and engineers. This role offers a mix of field and office responsibilities, including environmental data collection, site investigations, technical reporting, and project support.

Key Responsibilities

• Support environmental site investigations, monitoring programs, and remediation projects under the guidance of project managers and technical leads.
• Collect environmental samples including soil, groundwater, surface water, sediment, air, and soil vapor.
• Coordinate with and oversee subcontractors, including drilling, excavation, survey, and laboratory services.
• Maintain accurate field records, logs, chain-of-custody documentation, and photographic documentation.
• Manage, organize, and review environmental field and laboratory data.
• Assist in preparing technical reports, tables, figures, and other project deliverables.
• Support development of site conceptual models and interpretation of environmental data.
• Follow AECOM, client, and regulatory requirements while maintaining a strong safety culture.

Minimum Requirements:

• Bachelor's degree in Environmental Science, Geology, Chemistry, Engineering, or a related field.
• Valid U.S. driver's license and ability to travel to project sites.
• Ability to travel up to 50% as project needs require.
• Ability to work safely in outdoor environments and varying site conditions.
• Must successfully pass a motor vehicle records review, substance screening, and medical surveillance program as conditions of employment.
• U.S. citizenship required due to project requirements.

Preferred Qualifications:

• Experience supporting environmental investigations or remediation projects.
• Demonstrated ability to work collaboratively in field and office environments, including internships, research projects, or academic fieldwork.
• Experience with environmental sampling techniques and field documentation practices.
• Experience supporting soil borings, monitoring well installation, or other subsurface investigations.
• Strong technical writing, data management, and Microsoft Office skills.
• Experience working with environmental contractors or field teams.
• Current 40-hour HAZWOPER certification.
• Current First Aid/CPR training.
• Commitment to safe work practices and environmental stewardship.

• Immediate opening available.
• Relocation assistance is not available for this position.
• Position requires a combination of field and office work.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community-where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.