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 expand, we're looking for high-performing professionals who are ready to lead, collaborate, innovate, and create impact. At Apex, you help shape what's next. When we succeed together, we share in that success. All Apex positions are eligible for annual bonus opportunities, reinforcing our commitment to recognizing and rewarding meaningful contributions that drive our collective growth. Apex is seeking a Senior Technical Project Manager to join our Thousand Oaks, CA office. The Senior Technical Project Manager (PM) will lead and manage complex environmental investigation, remediation, and compliance projects involving contamination in soil, groundwater, sediment, soil vapor, surface water, and other environmental media. The role requires strong technical leadership, client management, project delivery, staff development, and business development capabilities. Experience with industrial, manufacturing, petroleum, government, and brownfield remediation programs is highly desirable. Key Responsibilities Project and Program Management - Manage large-scale environmental investigation, remediation, and compliance projects from proposal through closure. - Develop project scopes, schedules, budgets, work plans, and health and safety plans. - Lead multidisciplinary teams of geologists, engineers, hydrogeologists, risk assessors, and environmental scientists. - Monitor project financial performance, including revenue, profitability, utilization, and forecasting. - Coordinate subcontractors, laboratories, drilling contractors, and remediation vendors. - Maintain quality assurance and quality control standards. Technical Leadership - Serve as a technical lead for sites impacted by a range of chemical and petroleum-related contaminants in soil, groundwater, sediment, soil vapor, surface water, and other environmental media. - Design and oversee: - Site investigations and environmental assessments - Soil and groundwater characterization - Soil vapor and vapor intrusion assessments - Human health and ecological risk assessments - Remedial investigations/feasibility studies (RI/FS) - Corrective action and site closure programs - Evaluate and implement appropriate remediation approaches and technologies based on site conditions, regulatory requirements, and project objectives. - Interpret environmental data, evaluate remedial alternatives, and develop practical recommendations for investigation, remediation, and long-term site management. Client Relationship Management - Act as primary client contact for key accounts. - Support strategic planning with industrial, manufacturing, petroleum, commercial, and government clients. - Prepare and present technical findings to clients, regulators, and stakeholders. - Maintain long-term client relationships while identifying opportunities for additional services. Business Development - Lead proposal preparation and pricing. - Support capture planning and opportunity pursuit. - Identify new clients and expand existing accounts. - Participate in industry organizations and conferences. Regulatory Expertise Demonstrated experience working with: - EPA CERCLA/Superfund programs - RCRA Corrective Action - State cleanup and voluntary remediation programs - Vapor intrusion guidance - UST and industrial facility closure programs - Applicable federal, state, and local environmental regulations Qualifications - BS in Environmental Engineering, Civil Engineering, Geological Engineering, Hydrogeology, Geology, or related field. - 12+ years of environmental consulting experience. - 7+ years managing complex environmental investigation and remediation projects. - Demonstrated success managing projects exceeding $500K to $5M+ annually. - Significant experience with environmental investigation, remediation, and regulatory compliance involving contaminated soil, groundwater, and other environmental media. - Professional certifications such as PE, PG, CHG, PMP, REM, or CHMM preferred. Why you'll love working for us: - Company-subsidized medical and dental. - Company-paid life, short, and long-term disability. - 401k match, tuition assistance, and more. - Cross-training and the ability to work on a variety of projects. - Performance-based bonuses or other incentives. - Working with the best and brightest in the industry. - 2,000+ employee national firm with 70+ locations across the US. Apex Job Title: Sr Project Manager Req ID: 12122 #LI-SH1 Annual Expected Pay Range $175,000—$200,000 USD We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact Talent@apexcos.com or (301) 417-0200. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer TO ALL RECRUITMENT AGENCIES: Apex Companies does not accept unsolicited agency resumes. Please do not forward resumes for any of our job postings to our career’s sites, or to any employees of Apex Companies or affiliates. Apex Companies is not responsible for any fees related to unsolicited resumes.

Senior Technical Project Manager - Remediation

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