The Apex Companies
Also known as Apex Companies
Rockville, MD 20847
Employer
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What we do
Apex Companies, LLC is an environmental, infrastructure, and engineering consulting firm headquartered in Rockville, Maryland, providing services such as environmental due diligence, remediation, industrial hygiene, and stormwater/infrastructure engineering. It was acquired by Morgan Stanley Capital Partners from Sentinel Capital Partners in 2023.
Careers at The Apex Companies
The Apex Companies has 9 open roles listed here, 1 of them remote, each read from its own careers site. The newest was posted Oct 27, 2026.
Locations
Rockville, MD
HeadquartersNo open roles at this location right now.
Open positions
CSW Compliance Coordinator
The Apex Companies
Remote
Listed on The Apex Companies’s careers site · Apply there ↗
Stormwater Construction Superintendent
The Apex Companies
2 locations
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Laborer/Technician (Driver)
The Apex Companies
Full-time · 2 locations · $21 – $23 / hour
S.W.I.M.S. needs field technicians to inspect and clean stormwater infrastructure across Southern California using specialized equipment like vacuum trucks and pressure washers. This hands-on role suits people comfortable with physical labor, equipment operation, and outdoor work in environmental maintenance, with full training provided.
Listed on The Apex Companies’s careers site · Apply there ↗
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CSW Quality Control Supervisor
The Apex Companies
Full-time · Nashville, TN
This role oversees stormwater compliance field crews across the Southeast region, ensuring they execute work safely and maintain equipment while mentoring crew leaders. It suits experienced field supervisors comfortable with travel, hands-on work, and OSHA-compliant operations in construction or environmental services.
Listed on The Apex Companies’s careers site · Apply there ↗
Stormwater Construction Foreman
The Apex Companies
Saint Louis, MO
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Stormwater Construction Technician
The Apex Companies
Pittsburgh, PA · $20 – $25
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Crew Leader (Stormwater Construction)
The Apex Companies
Full-time · Livermore, CA · $23 – $25 / hour
Lead a crew maintaining stormwater infrastructure across Southern California, performing drain cleaning, filter installation, and equipment operation. This role suits someone with construction experience who wants to move into a supervisory position while staying hands-on with field work.
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Landscape Technician (Stormwater)
The Apex Companies
9 locations · $19 – $21 / hour
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Landscape Foreman (Stormwater)
The Apex Companies
9 locations · $24 – $26 / hour
Listed on The Apex Companies’s careers site · Apply there ↗
Where The Apex Companies is hiring
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