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Environmental Principal

Apex Companies

Company websiteapexcos.com (Apex Companies, opens in new tab)

Base salary $130K  to $170K

Employer-published annual base salary, USD. Advertised base range in Signal Hill, CA

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  • LocationSignal Hill, CA
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (3 h ago) · observed since

About this job

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.

Environmental Principal
Signal Hill, CA
 
Apex Companies is a national leader in water resources, environmental services, engineering, health & safety, and ESG consulting. With a strong presence across the US, we deliver innovative, practical, and sustainable solutions to clients across a wide range of industries. We are seeking a dynamic, growth-focused leader to serve as an Environmental Principal. The role is a remote/hybrid or in office position within the Los Angeles metropolitan market.
 
The Role:
We are seeking a technically strong, senior technical advisor and thought leader, translating complex environmental challenges into high-value solutions for clients. This role is centered on technical leadership, with a core emphasis on growing the environmental practice and team.
 
Key Responsibilities:

  • Maintain and expand long-term client relationships, acting as a trusted advisor.
  • Provide subject matter expertise (SME), lead QA/QC efforts, and mentor project teams to promote technical excellence and high performance.
  • Manage project performance with a focus on quality, innovation, and client satisfaction.
  • Travel to client locations as needed for meetings and project development.

What we are looking for: 

  • 10-15+ years of environmental consulting or industry experience with progressive responsibility and leadership.
  • BS in Geology or Engineering, Hydrogeology, Environmental Science, or other related field. Master's degree is preferred.
  • Licensure as Professional Geologist or Engineer.
  • Established client relationships and an active network within the region or with national clients.
  • Strong technical background in one or more of the core disciplines: Environmental Compliance, Site Investigation/Remediation, Site Development Permitting, EHS, or Due Diligence.
  • Exceptional communication, negotiation, and presentation skills for engaging with senior-level clients, regulators, and stakeholders.
  • Deep understanding of your region’s regulatory and business environment. 
  • Ability to mentor and train staff.
  • Strong technical writing and communication skills.
  • Strong safety awareness and a good record and understanding of safe work practices.
  • 40-hour HAZWOPER certification.

Why You'll Love Working for Us

  • Company-subsidized medical and dental insurance.
  • Company-paid life, short-term, and long-term disability insurance.
  • 401(k) match and tuition assistance.
  • Cross-training and opportunities to work on a variety of environmental projects.
  • Performance-based bonuses and other incentives.
  • Opportunities for continued technical and professional development.
  • The opportunity to work alongside some of the best and brightest professionals in the environmental industry.
  • Join a 2,000+ employee national firm with 70+ locations across the United States.


#LI-AR1

Apex Job Title: Scientist 6 - Principal Scientist

Req ID: 11929

Annual Expected Pay Range

$130,000—$170,000 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 [email protected] 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.

Source: Apex Companies on Greenhouse · View original posting (opens in new tab)

This range next to 6 other live Apex Companies roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Apex Companies roles with the nearest advertised base floor
RolePublished base
Environmental Principal (this listing)$130K - $170K
Environmental Principal$130K - $190K
Survey Manager/ Senior Surveyor$130K - $155K
Environmental Principal$130K - $170K
Senior Project Engineer$126K - $187K
Project Manager$126K - $187K
Senior Surveyor$125K - $140K

Same $100K to $400K scale as every card. All Apex Companies roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-08-18
Where this pay comes from

Location as the employer wrote it: Signal Hill, CA

$130,000—$170,000 USD

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.