Environmental Scientist

Are you driven to grow, lead, and make a meaningful impact? At Apex, we’re building more than a consulting and engineering firm—we’re creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you’ll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work.

Fueled by high quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry‑leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes.

As we continue to grow, we’re focused on building a team of high‑performing professionals who are ready to lead, collaborate, and push what’s possible. At Apex, you don’t just join a company, you help shape what comes next.

CWE, An Apex Company, is a dynamic, award‑winning provider of consulting, engineering, technical, and construction management services. Clients trust CWE to provide innovative and sustainable solutions to solve complex problems involving civil infrastructure, water resources, and the environment. CWE is an integrated firm with a reputation for delivering engineering solutions that improve the quality of life in a fiscally responsible and holistic manner, consistent with our vision of Creating a better tomorrow, today®.

We develop and implement real world solutions that are practical and cost‑effective to create value for our clients and enhance our communities and environment.

This is not a “job” – it is a career with a rapidly‑growing organization in a dynamic industry that recognizes excellent performance and provides opportunities for growth and advancement. This is a fantastic opportunity to develop valuable engineering and technical skills under industry recognized leaders. In addition, as a firm that is leading the industry with innovative and creative approaches to solving environmental and engineering challenges, our employees leave the office each day knowing they have contributed to a positive movement that will improve our communities, environment, and the world.

We have an exciting opportunity for an outstanding individual to join our team as Environmental Scientist I at our headquarters in Fullerton, California
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• Responsible for assisting municipal, utility, industrial, and commercial clients with stormwater planning and compliance efforts associated with Phase I and II Municipal Separate Storm Sewer System (MS4) Permits, the Construction General Permit (CGP), and Industrial General Permit (IGP).
• Interpret complex regulatory permits, assist clients with regulatory compliance, prepare technical reports, conduct environmental compliance inspections and sampling, and complete high quality deliverables on time and within budget
• Assist environmental sampling, testing, and observations (primarily surface water, stormwater, groundwater, wastewater

• Interpret regulatory permits and formulate compliance strategies
• Prepare comprehensive technical reports and documents (watershed management plans, stormwater management plans, annual reports, non-stormwater discharge source assessments, adaptive management plans, compliance guidance documents, compliance reports, rain and sampling event summary reports, SWPPPs, WQMPs, etc.)
• Perform construction site and facility environmental compliance inspections (QSP, QISP, FOG)
• Conduct environmental sampling, testing, and observations (primarily surface water, stormwater, groundwater, wastewater, along with soils and sediments)
• Make field observations and perform data measurement and collection assignments
• Data management and analysis (compilation, manipulation, and evaluation of data)
• Perform maintenance and calibration of environmental monitoring instruments,…