| Location | Signal Hill, CA |
| Salary | $175,000–$200,000 Per Year |
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.
The Senior Technical Project Manager (PM) will lead and manage complex environmental investigation, remediation, and compliance projects involving chlorinated solvent impacts in soil, groundwater, sediment, soil vapor, and indoor air. The role requires strong technical leadership, client management, project delivery, staff development, and business development capabilities. Experience with large industrial, aerospace, manufacturing, military, and brownfield remediation programs is highly desirable. Based on current Stantec environmental PM roles, emphasis is placed on managing multidisciplinary teams, technical delivery, client relationships, and financial performance.
Key Responsibilities
Project and Program Management
Technical Leadership
Serve as a technical lead for sites impacted by:
PCE (Tetrachloroethylene)
TCE (Trichloroethylene)
cis-1,2-DCE
Vinyl Chloride
Other chlorinated VOCs
Design and oversee:
Site investigations
Groundwater characterization
Soil vapor intrusion assessments
Human health and ecological risk assessments
Remedial investigations/feasibility studies (RI/FS)
Corrective action programs
Evaluate and implement remediation technologies such as:
In situ chemical reduction (ISCR)
In situ chemical oxidation (ISCO)
Enhanced reductive dechlorination (ERD)
Thermal remediation
Soil vapor extraction (SVE)
Dual-phase extraction (DPE)
Air sparging
Monitored natural attenuation (MNA)
Client Relationship Management
Business Development
Regulatory Expertise
Demonstrated experience working with:
Required Qualifications
Licenses and Certifications (Preferred)
Success Factors
The ideal candidate:
Why you'll love working for us:
Apex Job Title: Sr Project Manager
Req ID: 12071
#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.
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