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Apex Companies

National environmental consulting and engineering firm

Environmental Principal

Full-Time
$150k - $200k/yr
Expert
Remote in USA+5 moreMore locations: Midland, TX, USA | Houston, TX, USA | Austin, TX, USA | Dallas, TX, USA | San Antonio, TX, USA
HybridOccasional travel is required for client meetings, project support, business development, and industry events.
Architecture & Civil EngineeringEnvironmental Engineering

About the job

Requirements
  • 15+ years of environmental consulting, engineering, environmental compliance, remediation, water resources, or industry leadership experience with increasing responsibility.
  • An established professional reputation within the environmental industry, with a corresponding network of industry contacts and relationships.
  • Demonstrated success developing and growing client relationships and generating new business in a consulting environment.
  • Proven ability to operate successfully as a seller-doer in a consulting environment, balancing business development, client management, technical leadership, and project execution.
  • Ability to identify client needs, shape practical solutions, and support business development with existing and new accounts.
  • Strong understanding of environmental regulations and their application to client operations.
  • Experience supporting large, complex, or multi-site environmental programs.
  • Ability to develop strategic relationships with executives, technical leaders, operations leaders, and facility personnel.
  • Strong communication, presentation, negotiation, and leadership skills.
  • Experience leading cross-functional teams and mentoring technical professionals.
Responsibilities
  • Build, strengthen, and expand strategic relationships with established and new regional, national, and multi-site clients in priority markets including retail, convenience stores, real estate, logistics, and technology.
  • Identify, develop, and win opportunities through technical expertise, client relationships, industry networks, referrals, and strategic pursuits.
  • Lead client calls and meetings and major proposal efforts, collaborating with subject matter experts and client managers to win new opportunities.
  • Contribute to cross-selling efforts that connect clients with the company's environmental, engineering, water, health and safety, infrastructure, and sustainability services.
  • Mentor Project Managers to build their business development skills.
  • Provide technical guidance across environmental compliance, site investigation and remediation, permitting, due diligence, environmental audits, stormwater, wastewater, air quality, waste, and related environmental services.
  • Support project delivery teams through quality assurance/quality control review, technical oversight, and risk-based decision-making.
  • Mentor project managers, technical staff, and emerging leaders.
  • Promote technical excellence, quality delivery, risk management, and consistent project execution practices.
  • Monitor emerging regulations, market trends, and industry developments to identify opportunities for clients and the company.

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

Headcount

6 month growth

20%

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.