Principal Water & Sustainability

Apex Companies is adding a Principal - Water & Sustainability to our team.  This is a fully remote position based in the United States.

This position is equity eligible.

About us

Apex Companies delivers engineering, consulting, and field services that help clients solve complex environmental and infrastructure challenges. Our multidisciplinary teams work across water, environmental, and sustainability topics to deliver practical, cost-effective solutions that improve performance, reduce risk, and support resilient communities.

The role

This role connects traditional water infrastructure work with broader sustainability goals for both private and public sector clients. You will lead programs that translate stormwater, wastewater, and water infrastructure projects into measurable sustainability outcomes while supporting growth in priority sectors, including data centers, retail, and manufacturing.

What you’ll do

Build and lead water and sustainability programs from assessment through implementation

Leverage Apex’s deep stormwater, water supply and wastewater expertise to identify practical sustainability opportunities

Manage project scope, schedule, budget, and deliverables

Translate regulatory requirements and field insights into sustainability targets and strategies

Serve as project manager and build long-term relationships

Support growth in priority markets by identifying opportunities and contributing to proposals

Represent Apex in client meetings, industry forums, and partner engagements

Coordinate multidisciplinary teams across engineering, field services, and sustainability

What you bring

Must have 10+ years of experience in water resources, water stewardship, water reuse, water efficiency, water risk assessment, water infrastructure, or related fields

Hands-on experience in water sustainability program development and delivery

Business development experience and industry relationships that can translate to new opportunities

Ability to connect technical work to sustainability outcomes

Strong project management and client-facing skills

Bachelor’s degree in engineering, environmental science, or related field

Nice to have

Experience in data center or mission-critical infrastructure

Familiarity with CDP Water, Alliance for Water Stewardship, Volumetric Water Benefits Accounting, or similar frameworks

What we offer

We offer competitive compensation, strong career growth opportunities, and the chance to work on meaningful projects with leading clients across industries.

Our commitment to diversity

Apex is an equal opportunity employer. We value diverse perspectives and are committed to building an inclusive workplace where all employees can contribute and grow.

Why you'll love working for us:

Company-subsidized medical and dental.

Company-paid life, short, and long-term disability.

401k match, tuition assistance, and more.

Cross-training and the ability to work on a variety of projects.

Performance-based bonuses or other incentives.

Working with the best and brightest in the industry.

2,000+ employee national firm with 70+ locations across the US.

#LI-AR1

Apex Job Title: Scientist 6 - Principal Scientist

Req ID: 11880

Annual Expected Pay Range

$130,000—$170,000 USD