New

Senior Hydrogeologist

Apex Companies, LLC

$100,000—$125,000

tuition assistance, 401(k)

United States, Maryland, Derwood

15850 Crabbs Branch Way (Show on map)

Jul 14, 2026

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 grow, we're focused on building a team of high-performing professionals who are ready to lead, collaborate, and push what's possible. At Apex, you don't just join a company, you help shape what comes next.

Our Northeast Division is a well-respected and award-winning group where career development, training, and mentoring co-exist with diverse civil, environmental, water resources, infrastructure, and traffic/transportation projects in a fast-paced and challenging work environment.

We are looking for a passionate and skilled Senior Hydrogeologist to join our team inthe Northeast. In thishybridrole,you'llmanage, support, and deliver a variety of water resource projects across New England, including:

Baseline hydrologic and water resource studies
Groundwater studies and water supply projects
Permitting and operational support
Contaminant investigations

Primary Responsibilities:

Lead project teams in hydrogeologic analyses for water supply, effluent recharge and mounding analysis for wastewater, and environmental projects
Manage staff and oversee data collection activities
Conduct and analyze aquifer tests and predictive surface and groundwater modeling
Prepare detailed reports, data visualizations, and hydrogeological studies
Coordinate regulatory compliance, manage permitting with state and federal agencies, and prepare regulatory permit applications
Participate in business development opportunities
Mentor and coach less experienced staffto foster their growth

What we're looking for:

Bachelor's degreein Geology, Hydrogeology, Engineering Geology, orarelated fieldisrequired
Master's degree isone of the above areas ispreferred
Must be a licensed Professional Geologist in Massachusetts or obtain MA licensure within one year of your start date.
8+ years of relevant experienceisrequired
Prior experience with groundwater modeling and flow models
Expertisein hydrogeologic analyses for water supply, wastewater disposal, and environmental projects
Should have project management, public presentation, and regulatory coordinationskills
Experience with contaminant transport modelingis preferred

#LI-JS1

Why you'll love working with 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

Apex Job Title: Project Manager

Req ID: 11852

Annual Expected Pay Range

$100,000 — $125,000 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 Talent@apexcos.com 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.