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Apex Companies

National environmental consulting and engineering firm

Principal Engineer

Full-Time
$195k - $220k/yr+ Annual bonus + Minimum $20,000 sign-on bonus
Expert
Bachelor's, Master's
Bridgeport, CT, USA
HybridThe role begins remote, with the opportunity to establish and lead a new office in your target market.
Architecture & Civil Engineering

About the job

Requirements
  • A Bachelor of Science or Master of Science degree in Civil Engineering, Environmental Engineering, or a relevant engineering discipline.
  • At least 15 years of experience in municipal infrastructure.
  • Demonstrated success in developing new markets, securing key municipal clients, and achieving financial growth targets.
  • A strong record of mentoring, team development, and leading cross-discipline project teams.
  • Ability to work effectively with clients in a forward-thinking manner to drive growth and sustained performance through effective leadership.
  • Excellent written and verbal communication skills.
  • Desire to manage and mentor all levels of staff.
Responsibilities
  • Lead the growth of Apex’s infrastructure services within the designated local market.
  • Develop and execute a strategic plan to expand relationships with municipal, utility, and public-sector clients.
  • Leverage existing client relationships and market insight to establish Apex as a trusted regional partner.
  • Collaborate with Divisional and Regional Leadership to align local efforts with Apex’s broader infrastructure strategy.
  • Serve as a trusted advisor to municipal and utility clients, understanding their infrastructure priorities and funding mechanisms.
  • Identify and pursue new project opportunities, lead proposal development, and manage interview and negotiation processes.
  • Drive cross-selling of Apex’s complementary environmental, construction, and compliance services.
  • Represent Apex at professional associations, technical committees, and industry conferences.
  • Oversee delivery of municipal infrastructure projects, including water and wastewater treatment, distribution and collection systems, stormwater management, transportation, and civil engineering.
  • Ensure technical excellence, quality control, and adherence to scope, schedule, and budget.
  • Provide technical leadership, mentoring, and quality assurance/quality control oversight to project teams.
  • Manage project performance, including backlog, utilization, and profitability metrics.
  • Recruit, mentor, and develop engineers, project managers, and technical staff to grow Apex’s local presence.
  • Foster a collaborative, high-performance culture focused on client satisfaction and technical excellence.
Desired Qualifications
  • Professional Engineer registration in Connecticut 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 Jobs

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.