Environmental Scientist Manager

Apex Companies - CSW; Fullerton (CA); On-site; USD 104,000 - 146,000; Full time

Job summary

Apex Companies seeks a Scientist IV - Sr Project Scientist at our Fullerton, California headquarters to lead municipal, utility, and industrial stormwater projects. You will oversee regulatory permits, complex reporting, sampling, and field investigations while guiding staff to deliver high-quality environmental solutions.

Join a growth-focused firm that values collaboration, client outcomes, and environmental stewardship as you advance projects that protect communities and the environment.

Qualifications

• BS in Environmental Science, Civil or Environmental Engineering; related field.
• 10+ years of professional work experience.
• Knowledge of stormwater permitting and planning; water quality monitoring; BMPs; and environmental compliance inspections.
• CPSWQ/CPESC certification
• QSD or QSP and QISP certifications
• Able to read, interpret, and analyze plans, technical manuals, and permits.
• Strong analytical skills
• Excellent writer and communicator
• Proficient in Microsoft Office Suite
• Valid California driver’s license and insurable driving record

Responsibilities

• Project Management across stormwater planning and compliance efforts.
• Interpret regulatory permits and formulate compliance strategies.
• Prepare technical reports and documents (watershed/stormwater plans, annual reports, SWPPPs, etc.).
• Execute/manage field investigations and supervise staff.
• Prepare/Monitor project budgets and meet with clients on progress and future work.
• Perform site environmental inspections (QSP, QISP, FOG).
• Conduct sampling and observations (surface water, stormwater, groundwater, wastewater, soils).
• Data management and analysis of results; develop monitoring and reporting plans.

Skills

Strong analytical skills

Excellent writer and communicator

Proficient in Microsoft Office Suite

Education

BS in Environmental Science, Civil or Environmental Engineering, or a related field

MS or PhD in Environmental Science, Civil or Environmental Engineering, or a related field

CPSWQ/CPESC certification

QSD or QSP and QISP certifications

Tools

ArcGIS

Job description

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.

Why Work for Us?

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 an Environmental Scientist Manager at our headquarters in Fullerton, California.

General Characteristics

• Responsible for managing municipal, utility, industrial, and commercials 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).
• Manage and 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
• Lead Manage environmental sampling, testing, and observations (primarily surface water, stormwater, groundwater, wastewater

Critical Tasks and Responsibilities

• Project Management
• Interpret regulatory permits and formulate compliance strategies
• Prepare comprehensive approaches, work plans, 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.)
• Execute/manage field investigations, including mobilization/demobilization decisions
• Manage workload of other Environmental Scientist staff
• Prepare/Monitor Project Budgets
• Meet with clients regarding work and performance of team, and regarding current and future work
• 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)
• Develop and implement monitoring and reporting plans and field studies
• Perform regulatory and water quality data analyses
• Participate/lead in technical presentations

Required Competencies and Qualifications

• BS in Environmental Science, Civil or Environmental Engineering, or a related field
• 10+ years of professional work experience
• Knowledge of stormwater permitting and planning; water quality monitoring; BMPs; and environmental compliance inspections
• CPSWQ/CPESC certification
• QSD or QSP and QISP certifications
• Able to read, interpret, and analyze plans, technical manuals, and permits
• Strong analytical skills
• Responsible and Accountable for project delivery
• Perform a high level of QA/QC on work products
• Ability to pay attention to detail with a high level of accuracy
• Demonstrates a strong work ethic
• Excellent writer and communicator
• Proactive approach/self-starter/takes initiative/positive attitude/team player
• Proficient in Microsoft Office Suite
• Ability to kneel, climb, and lift up to 50lbs
• Valid California driver’s license and insurable driving record

Desired Competencies and Qualifications

The following competencies and qualifications are a plus, but not required:

• MS or PhD in Environmental Science, Civil or Environmental Engineering, or a related field
• Proficient with ArcGIS
• OSHA 40-hour HAZWOPER training
• Perform maintenance and calibration of environmental monitoring instruments, meters, probes, and automated sampling equipment

| Apex Job Title: Scientist IV - Sr Project Scientist |

Annual Expected Pay Range

$104,000—$146,000 USD

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