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Core Main
Core Main
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Core Main
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Outside Sales Representative
APPLY
Core Main
Schaumburg, IL
L5 Senior
April 12th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Other Foundation, Structure, and Building Exterior Contractors
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Branch Manager I
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Core Main
Rochester, MN
L5 Senior
July 16th, 2026
Sales Managers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Project Manager, Treatment Plant
APPLY
Core Main
Tampa, FL
L5 Senior
April 12th, 2026
Project Management Specialists
Sewage Treatment Facilities
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Warehouse Associate I
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Core Main
Rockledge, FL
L2 Entry
July 16th, 2026
Laborers and Freight, Stock, and Material Movers, Hand
Water and Sewer Line and Related Structures Construction
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Estimator
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Core Main
Missoula, MT
L5 Senior
July 16th, 2026
Cost Estimators
All Other Specialty Trade Contractors
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Water Infrastructure Estimator & Bid Specialist
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Core Main
Salem, NH
L5 Senior
July 16th, 2026
Cost Estimators
Water and Sewer Line and Related Structures Construction
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Water Infrastructure Estimator & Bid Specialist
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Core Main
Indianapolis, IN
L5 Senior
July 16th, 2026
Cost Estimators
Water Supply and Irrigation Systems
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Estimator
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Core Main
Bakersfield, CA
L5 Senior
July 16th, 2026
Cost Estimators
All Other Specialty Trade Contractors
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Senior Accountant II - Hybrid; CPA Path
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Core Main
St Louis, MO
L5 Senior
June 18th, 2026
Accountants and Auditors
Offices of Certified Public Accountants
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Fusion Technician: HDPE Pipe Fusion & Field Expert
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Core Main
Lincoln, NE
L5 Senior
July 9th, 2026
Plumbers, Pipefitters, and Steamfitters
Plumbing, Heating, and Air-Conditioning Contractors
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AI/ML Data Engineer Intern - Build Pipelines & Forecasts
APPLY
Core Main
Kansas City, MO
L1 Intern
July 16th, 2026
Data Scientists
Custom Computer Programming Services
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Estimator
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Core Main
St George, SC
L5 Senior
July 16th, 2026
Cost Estimators
All Other Specialty Trade Contractors
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Warehouse Associate I
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Core Main
St Louis, MO
L2 Entry
April 9th, 2026
Laborers and Freight, Stock, and Material Movers, Hand
General Warehousing and Storage
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Regional OTR Driver CDL A
APPLY
Core Main
New York, NY
L3 Junior
July 15th, 2026
Light Truck Drivers
Specialized Freight (except Used Goods) Trucking, Local
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Intern - AI/ML Data Engineering - St. Louis
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Core Main
Kansas City, MO
L1 Intern
July 15th, 2026
Data Scientists
Computer Systems Design Services
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Project Manager - Construction & Municipal Programs
APPLY
Core Main
Lake Oswego, OR
L4 Mid
July 15th, 2026
Project Management Specialists
Commercial and Institutional Building Construction
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Warehouse Associate II
APPLY
Core Main
Kailua-Kona, HI
L2 Entry
May 29th, 2026
Laborers and Freight, Stock, and Material Movers, Hand
General Warehousing and Storage
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Treatment Plant Estimator - CIG
APPLY
Core Main
Aurora, OH
L5 Senior
April 12th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Inside Sales Specialist
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Core Main
Santa Ana, CA
L3 Junior
April 10th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Industrial Supplies Merchant Wholesalers
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Driver-CDL
APPLY
Core Main
Waldorf, MD
L3 Junior
July 11th, 2026
Light Truck Drivers
Specialized Freight (except Used Goods) Trucking, Local
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Meter Specialist Trainee
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Core Main
St Charles, IL
L3 Junior
April 12th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Water Supply and Irrigation Systems
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Mega Projects Enterprise Estimator -Water/Wastewater Treatment Plant - CIG
APPLY
Core Main
Evansville, IN
L5 Senior
July 8th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Mega Projects Estimator – Water/Wastewater Treatment Plants
APPLY
Core Main
Arkansas City, KS
L5 Senior
July 12th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Sales Engineer (Gemlock)
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Core Main
Heath, OH
L5 Senior
July 12th, 2026
Sales Engineers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Business Systems Analyst
NEXT STEPS
Core Main
Saginaw, MI
L6 Lead
June 1st, 2026
Computer Systems Analysts
Computer Systems Design Services
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Sales Engineer (Gemlock)
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Core Main
Saginaw, MI
L5 Senior
June 1st, 2026
Sales Engineers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Sales Engineer (Gemlock)
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Core Main
Laplace, LA
L5 Senior
June 1st, 2026
Sales Engineers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Process Mechanical Estimator– Water/Wastewater Treatment Plants
NEXT STEPS
Core Main
Bunkerville, NV
L5 Senior
June 1st, 2026
Cost Estimators
Water and Sewer Line and Related Structures Construction
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Treatment Plant Enterprise Estimator
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Core Main
West Haven, UT
L5 Senior
June 5th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Treatment Plant - East Region - Mgr, Strategic Pursuits - CIG
NEXT STEPS
Core Main
York, SC
L7 Manager
June 5th, 2026
Sales Managers
Water Supply and Irrigation Systems
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Treatment Plant -Sr Mgr, Business Development - Engineered Valves
NEXT STEPS
Core Main
L7 Manager
June 5th, 2026
Sales Managers
Industrial Valve Manufacturing
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Meter Specialist II
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Core Main
Kansas City, KS
L5 Senior
July 11th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Water Supply and Irrigation Systems
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Driver-CDL
NEXT STEPS
Core Main
Phoenix, AZ
L3 Junior
May 16th, 2026
Light Truck Drivers
Specialized Freight (except Used Goods) Trucking, Local
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Regional Sales Manager (Trumbull)
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Core Main
Salem, OR
L6 Lead
June 18th, 2026
Sales Managers
Water Supply and Irrigation Systems
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Inside Sales Specialist
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Core Main
Denver, CO
L3 Junior
July 6th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Industrial Supplies Merchant Wholesalers
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Water/Wastewater Treatment Plant Estimator
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Core Main
California City, CA
L5 Senior
July 11th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Outside Sales Representative (Fire Protection)
NEXT STEPS
Core Main
Arlington, TX
L5 Senior
June 7th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Fire Protection
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Driver-CDL A
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Core Main
San Bernardino, CA
L3 Junior
June 7th, 2026
Light Truck Drivers
Specialized Freight (except Used Goods) Trucking, Local
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Treatment Plant -Sr Mgr, Business Development - Engineered Valves
NEXT STEPS
Core Main
Irvine, CA
L7 Manager
June 7th, 2026
Sales Managers
Industrial Valve Manufacturing
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Estimator II - CIG
NEXT STEPS
Core Main
Ok, BY
L5 Senior
June 7th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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