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Apex Companies

National environmental consulting and engineering firm

Project Manager

Full-TimePosted on 10/23/2026
$100k - $130k/yr
Senior, Expert
Bachelor's
Pleasant Hill, CA, USA+2 moreMore locations: Fullerton, CA, USA | Signal Hill, CA, USA
In Person
Architecture & Civil EngineeringEnvironmental Engineering

About the job

Requirements
  • A Bachelor of Science in Environmental Science or a related field is required.
  • At least 8 years of experience with environmental or remediation services, including technical writing, technical oversight, project management, business development, and staff management.
  • Strong technical writing skills, the ability to successfully multitask, safety awareness, and a good record and understanding of safe work practices are required.
  • A 40-hour HAZWOPER certification is required.
  • A valid driver's license and personal vehicle are required.
  • Proficiency with the Microsoft Office suite is required.
  • Strong communication skills are required.
Responsibilities
  • Serve as technical lead on cumulative projects totaling $2 million to $3 million annually.
  • Contribute to business development of new clients and projects exceeding $500,000 annually.
  • Write and review technical reports and proposals.
  • Assist with project management activities.
  • Grow an existing practice in one of the following areas: brownfields redevelopment, groundwater or soil characterization and remediation, landfill engineering, or water resources.
  • Augment an established practice.
  • Identify and develop client relationships and new business development opportunities with public and private clients locally, regionally, or nationally, including business development of $400,000 annual revenue.
  • Mentor and train scientific staff and ensure quality work product.
  • Actively develop personal career growth.
Desired Qualifications
  • Experience with oil and gas, manufacturing industries, utilities, landfills, chlorinated solvent sites, Potentially Responsible Parties groups, and municipalities is highly desired.
  • A proven track record in business development and project management is a plus.
  • A proven track record of mentoring and developing staff is preferred.
  • Experience with Deltek Vision is preferred.

About the company

Apex Companies provides environmental consulting and engineering services to public agencies and private clients across all 50 states. Its offerings include water resources management, environmental remediation, health and safety, compliance assurance, ESG advisory, and infrastructure engineering, delivering work from site assessments to managing complex projects. A key differentiator is the breadth of services across environmental, health and safety, and ESG, plus its ARTEMIS data-management platform that organizes environmental information for risk mitigation and lending. The company aims to help clients manage environmental risk, achieve regulatory compliance, and efficiently complete projects while expanding its national footprint.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Rockville, Maryland

Founded

1988

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Simplify's Take

What believers are saying

  • Zweig named Apex a 2026 Hot Firm, ranking it No. 28.
  • March 2026 CWE acquisition expands California engineering reach and cross-sells immediately.
  • February 2026 Tully acquisition strengthens stormwater lifecycle services across Northern California projects.

What critics are saying

  • Rapid roll-up integration can dilute service quality and overload project managers by 2027.
  • The 2024 NRC report flagged a Severity III violation at Apex Companies.
  • PE ownership under Morgan Stanley Capital Partners pressures exits; stalled growth breaks the platform thesis.

What makes Apex Companies unique

  • Apex bundles water, environmental, and infrastructure work through one national platform.
  • ARTEMIS gives clients environmental data management and lending support across project lifecycles.
  • March 2026 CWE and Tully deals deepen California civil, water, and stormwater capabilities.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Disability Insurance
  • 401(k) Company Match
  • Paid Vacation
  • Paid Sick Leave
  • Relocation Assistance

Growth & Insights and Company News

6 month growth

22%

1 year growth

20%

2 year growth

20%
Apex Companies
Mar 18th, 2026
Apex Companies Acquires CWE

Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.

Associated Press
Feb 17th, 2026
Apex Companies Acquires Tully, Inc.

Adds to Core Stormwater Strength and Enhances Ability to Deliver the Full Stormwater Lifecycle in Northern California

EIN News
Jan 5th, 2026
Raincatcher Advises AquaWorks DBO on Its Acquisition by Apex Companies

Raincatcher, a national mergers and acquisitions advisory firm serving small to mid-size businesses, served as the exclusive sell-side advisor to AquaWorks DBO,

EIN News
Nov 3rd, 2025
Apex Companies Acquires Forsgren Associates, Inc.

Bolsters Engineering Depth and Extends Operational Presence in Intermountain West

EIN News
Nov 26th, 2024
Apex Acquires Weiler Engineering in Florida

Apex Companies, LLC has acquired Weiler Engineering Corporation, a Florida-based engineering firm. This acquisition enhances Apex's engineering capabilities and strengthens its presence in Florida. Weiler Engineering, with over 45 professionals, brings expertise in civil, structural, and utilities engineering. This move follows Apex's recent acquisitions of Johnson Engineering and Water Science Associates, further expanding its services in the municipal and private markets.