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Core Main
Core Main
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Cost Estimators
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Core Main
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Critical Infrastructure Project Manager & Customer Lead
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Core Main
Brighton, CO
L5 Senior
April 24th, 2026
Project Management Specialists
Highway, Street, and Bridge Construction
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Sales Support and Operations Associate
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Core Main
Lexington, MN
L3 Junior
April 24th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Industrial Supplies Merchant Wholesalers
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Lead Operations Specialist
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Core Main
Hillsboro, IL
L5 Senior
April 24th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Industrial Supplies Merchant Wholesalers
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Hands-On Field Technician, Waterworks & Fusion Systems
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Core Main
Lakeland, FL
L3 Junior
April 24th, 2026
Plumbers, Pipefitters, and Steamfitters
Water Supply and Irrigation Systems
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Branch Manager I
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Core Main
Albuquerque, NM
L5 Senior
May 3rd, 2026
Sales Managers
Industrial Supplies Merchant Wholesalers
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Outside Sales Representative
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Core Main
Chesapeake, VA
L5 Senior
May 3rd, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Other Foundation, Structure, and Building Exterior Contractors
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District Manager
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Core Main
New York, NY
L7 Manager
May 3rd, 2026
Sales Managers
Industrial Supplies Merchant Wholesalers
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Business Systems Analyst: Data-Driven Solutions Lead
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Core Main
Berlin, NH
L3 Junior
May 3rd, 2026
Computer Systems Analysts
Computer Systems Design Services
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Treatment Plant - Enterprise Estimator - CIG
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Core Main
South Yarmouth, MA
L5 Senior
May 3rd, 2026
Cost Estimators
Sewage Treatment Facilities
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Treatment Plant Enterprise Estimator
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Core Main
Arkansas, AR
L5 Senior
May 3rd, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Senior Fire Pump Technician
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Core Main
Bloomburg, TX
L5 Senior
May 3rd, 2026
Installation, Maintenance, and Repair Workers, All Other
Fire Protection
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Process Mechanical Estimator– Water/Wastewater Treatment Plants
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Core Main
East Bay, MI
L5 Senior
May 6th, 2026
Cost Estimators
Water and Sewer Line and Related Structures Construction
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Senior Estimator - CIG
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Core Main
L5 Senior
May 6th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Business Systems Analyst
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Core Main
Manaus, AM
L6 Lead
May 6th, 2026
Computer Systems Analysts
Computer Systems Design Services
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Treatment Plant Project Leader - Critical Infrastructure
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Core Main
Seattle, WA
L5 Senior
May 3rd, 2026
Water and Wastewater Treatment Plant and System Operators
Sewage Treatment Facilities
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Treatment Plant Estimator
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Core Main
Oklahoma City, OK
L5 Senior
May 6th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Product Design Engineer
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Core Main
Boardman Twp, OH
L6 Lead
April 23rd, 2026
Mechanical Engineers
Engineering Services
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Business Systems Analyst - Data, Processes & ROI
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Core Main
Indianapolis, IN
L4 Mid
May 5th, 2026
Computer Systems Analysts
Administrative Management and General Management Consulting Services
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Outside Sales Representative
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Core Main
Albuquerque, NM
L5 Senior
May 1st, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Other Foundation, Structure, and Building Exterior Contractors
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Associate System Administrator
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Core Main
St Louis, MO
L5 Senior
May 3rd, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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Business Systems Analyst - Data & Process Solutions
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Core Main
Fredericksburg, VA
L5 Senior
May 4th, 2026
Computer Systems Analysts
Computer Systems Design Services
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Treatment Plant Enterprise Estimator
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Core Main
Horseshoe Bend, AR
L5 Senior
May 4th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Outside Sales Representative
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Core Main
St Louis, MO
L5 Senior
May 4th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Other Foundation, Structure, and Building Exterior Contractors
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Business Systems Analyst - Data & Process Solutions
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Core Main
Hillsboro, IL
L5 Senior
May 4th, 2026
Computer Systems Analysts
Computer Systems Design Services
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Business Systems Analyst
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Core Main
New Berlin, WI
L6 Lead
May 4th, 2026
Computer Systems Analysts
Computer Systems Design Services
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Treatment Plant - Enterprise Estimator - CIG
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Core Main
Homestead, FL
L5 Senior
May 4th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Treatment Plant Estimator
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Core Main
Nevada, CA
L5 Senior
April 24th, 2026
Cost Estimators
Water and Sewer Line and Related Structures Construction
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Welder I
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Core Main
Lawndale, NC
L3 Junior
April 25th, 2026
Welders, Cutters, Solderers, and Brazers
Water and Sewer Line and Related Structures Construction
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Sales Engineer (Gemlock)
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Core Main
La Porte, TX
L5 Senior
April 25th, 2026
Sales Engineers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Sales & Operations Support Specialist
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Core Main
Somerset, MA
L3 Junior
April 26th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Industrial Supplies Merchant Wholesalers
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Outside Sales Representative
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Core Main
Uniontown, OH
L5 Senior
April 26th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Other Foundation, Structure, and Building Exterior Contractors
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Treatment Plant Estimator
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Core Main
Okarche, OK
L5 Senior
April 26th, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Intern - Corporate
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Core Main
Wetumpka, AL
L1 Intern
April 24th, 2026
Secretaries and Administrative Assistants, Except Legal, Medical, and Executive
Water Supply and Irrigation Systems
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Mgr, Estimating
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Core Main
Lake Oswego, OR
L5 Senior
April 25th, 2026
Cost Estimators
All Other Specialty Trade Contractors
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Distribution Trainee
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Core Main
St Charles, IL
L2 Entry
April 24th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Water Supply and Irrigation Systems
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Sales Engineer (Gemlock)
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Core Main
Texas, NC
L5 Senior
April 24th, 2026
Sales Engineers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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Senior Estimator - CIG
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Core Main
Bay Pines, FL
L5 Senior
May 3rd, 2026
Cost Estimators
Other Heavy and Civil Engineering Construction
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Business Systems Analyst
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Core Main
Arkansas, AR
L6 Lead
April 30th, 2026
Computer Systems Analysts
Computer Systems Design Services
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Treatment Plant -Project Manager, Critical Infrastructure
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Core Main
Texas City, TX
L5 Senior
April 30th, 2026
Project Management Specialists
Sewage Treatment Facilities
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Outside Sales Representative
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Core Main
Provo, UT
L5 Senior
May 11th, 2026
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products
Water and Sewer Line and Related Structures Construction
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