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Salary
$65k – $75k per year
Location
In office (Chicago)
Visa
H-1B filings in 12 months: 6

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Aug 4, 2026. Apex Companies scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Apex Companies is a multidisciplinary environmental consulting and engineering firm providing solutions in water management, infrastructure, health and safety, and environmental compliance. The enterprise supports commercial and public sector clients with end-to-end technical services, including site remediation, stormwater management, and regulatory advisory. Headquartered in Rockville, Maryland, it operates a nationwide network of offices across the United States.

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 expand, we're looking for high-performing professionals who are ready to lead, collaborate, innovate, and create impact. At Apex, you help shape what's next. When we succeed together, we share in that success. All Apex positions are eligible for annual bonus opportunities, reinforcing our commitment to recognizing and rewarding meaningful contributions that drive our collective growth.

Your Responsibilities as a Project Scientist:

  • Provide senior-level technical oversight and perform environmental field activities associated with Phase II site investigations; UST/AST investigations, removals, and installations; and remediation or regulatory-driven field investigations.
  • Managing projects under the Illinois EPA Leaking Underground Storage Tank (LUST) Program and Site Remediation Program (SRP), including preparation of regulatory reports, work plans, budgets, and reimbursement documentation
  • Oversee subcontractors in the field and serve as a liaison between Apex, general contractors, and clients to ensure work is completed safely, efficiently, and in compliance with project requirements.
  • Conduct and support environmental sampling activities including soil, groundwater, and air monitoring, along with associated technical documentation and reporting.
  • Prepare, review, and manage technical reports, proposals, and field documentation.
  • Support emergency response projects as needed, including occasional after-hours or weekend response work.
  • Mentor and train junior scientific staff while promoting safe work practices and technical development.

What we're looking for:

  • BS degree in Environmental Science, Geology, Engineering, or related scientific field.
  • 4+ years of environmental consulting or related industry experience with strong technical writing and field oversight responsibilities.
  • Experience managing projects under the Illinois EPA Leaking Underground Storage Tank (LUST) Program and Site Remediation Program (SRP), including preparation of regulatory reports, work plans, budgets, and reimbursement documentation, is highly preferred.
  • Experience with UST/AST systems, environmental sampling, remediation oversight, and subcontractor coordination preferred.
  • Familiarity with Illinois Environmental Protection Agency environmental regulations and tank programs is highly preferred.
  • Strong communication and organizational skills with the ability to manage multiple priorities in both field and office environments.
  • Ability to mentor and train junior staff.
  • Strong commitment to health and safety with a solid understanding of safe field practices.
  • 40-hour HAZWOPER certification required (current 8-hour refresher preferred).
  • Proficiency with Microsoft 365.
  • Valid driver’s license, reliable transportation, and willingness to travel locally to project sites. 

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.

Req ID: 11916

Apex Job Title: Scientist 3 - Sr Project Scientist

Annual Expected Pay Range

$65,000—$75,000 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 [email protected] 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.

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