Apex Companies

Water Treatment Process Engineer

Bachelor's in Civil or Environmental Engineering; 3+ years water treatment design; EIT/PE or pursuing; US driver’s license; strong communication; CAD; BIM experience.

Civil Engineering Intern 

Enrollment in a college program focused on civil, mining, or environmental engineering; strong communication and organizational skills; attention to detail; proficiency with Microsoft Office preferred.

Asbestos Inspector / Sampling Specialist

BA/BS in Industrial Hygiene/Environmental Science/Environmental Engineering or related field; 1–5 years in industrial hygiene or environmental consulting; Colorado CABI; AMS preferred; driver’s license; MS Office proficiency.

Industrial Hygienist

BA/BS in Industrial Hygiene or related field; Colorado CABI required; AMS preferred; 1–5 years’ industrial hygiene or environmental consulting experience; driver’s license; proficiency in MS Office; strong report-writing and data analysis; field-based with occasional after-hours work.

Senior Integrated Surface/Ground Water Modeler

Integrated Surface/Ground Water Modeler

BS in engineering/hydrogeology/environmental sciences; MS preferred; 4 years MIKE SHE/MIKE 11 modeling; ArcGIS; strong analytical, communication, and leadership skills; willing to travel within US.

Construction Scheduler

Scheduler

GED or High School Diploma; OSHA HAZWOPER preferred; 1-2 years construction experience; knowledge of stormwater infrastructure; able to perform manual labor; good driving record.

California Growth and Operations Leader – California Operations

Division Manager

15+ years in consulting/environmental services; 5+ years leading multidisciplinary teams; strong BD, P&L management, and client relations.

Principal - Water/Wastewater Infrastructure (New England Strategic Growth)

Principal

15+ years in municipal water/wastewater/stormwater; Civil or Environmental Engineering degree; PE preferred in MA/CT/NH; strong business development and leadership.

Senior leader with 15+ years in municipal water/wastewater/stormwater; civil/environmental engineering degree; PE preferred in MA/CT/NH; strong business development and project leadership.

BS or MS in Civil or Environmental Engineering; 15+ years municipal water/wastewater/stormwater; PE preferred in MA/CT/NH; proven market growth and project delivery experience.

Lead growth of water/wastewater business; 15+ years municipal water/wastewater experience; PE preferred; strong leadership and business development.

Title	Location	Date
Water Treatment Process Engineer Full Time · $62K-$100K · 3+ YOE Quincy or Woburn or Providence · Hybrid	Quincy or Woburn or Providence Hybrid	Jan 28, 2026
Civil Engineering Intern  Part Time · 0+ YOE Somerset, Pennsylvania, United States · Onsite	Somerset, Pennsylvania, United States Onsite	Jan 28, 2026
Asbestos Inspector / Sampling Specialist Full Time · $50K-$70K · 1+ YOE Lakewood, Colorado, United States · Onsite	Lakewood, Colorado, United States Onsite	Jan 27, 2026
Industrial Hygienist Full Time · $50K-$70K · 1+ YOE Lakewood, Colorado, United States · Onsite	Lakewood, Colorado, United States Onsite	Jan 27, 2026
Senior Integrated Surface/Ground Water Modeler Full Time · $100K-$150K · 4+ YOE Tampa, Florida, United States · Remote	Tampa, Florida, United States Remote	Jan 15, 2026
Construction Scheduler Full Time · $50K-$54K/yr · 1+ YOE Brentwood, California, United States · Onsite	Brentwood, California, United States Onsite	Jan 7, 2026
California Growth and Operations Leader – California Operations Full Time · $200K-$250K · 15+ YOE Los Angeles, California, United States · Remote	Los Angeles, California, United States Remote	Nov 7, 2025
Principal - Water/Wastewater Infrastructure (New England Strategic Growth) Full Time · $200K-$220K · 15+ YOE Manchester or Springfield or Bridgeport or United States · Hybrid	Manchester or Springfield or Bridgeport or United States Hybrid	Oct 10, 2025
Principal - Water/Wastewater Infrastructure (New England Strategic Growth) Full Time · $200K-$220K · 15+ YOE Worcester or Manchester or Springfield or Southwestern Connecticut · Remote	Worcester or Manchester or Springfield or Southwestern Connecticut Remote	Oct 10, 2025
Principal - Water/Wastewater Infrastructure (New England Strategic Growth) Full Time · $200K-$220K · 15+ YOE Springfield or Worcester or Manchester · Hybrid	Springfield or Worcester or Manchester Hybrid	Oct 10, 2025
Principal - Water/Wastewater Infrastructure (New England Strategic Growth) Full Time · $200K-$220K · 15+ YOE Manchester, New Hampshire, United States · Hybrid	Manchester, New Hampshire, United States Hybrid	Oct 10, 2025

Activities	environmental consultingcivil engineeringwater resource managementstormwater compliancesite remediation
Headquarters	US
Industries	Environmental ServicesEngineering
Name	Apex Companies
Employees	2,000
Type	Private
Subsidiaries	PBS Engineering and EnvironmentalWater Science AssociatesTully Consulting GroupEnvironmental PartnersWeiler Engineering
Tagline	Provides environmental consulting, civil engineering, and water infrastructure services.
Founded	1,988
Website	apexcos.com
Latest Funding Round	Private Equity
Latest Funding Year	2,023
Latest Investors	Morgan Stanley Capital Partners

Apex Companies

About Apex Companies