
Senior Estimator - CIG / 46252 / Jackson
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At a glance
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Job overview
The Senior Estimator for the Critical Infrastructure Group develops detailed quantity takeoffs for complex infrastructure projects, evaluates specialty materials, supports value engineering, and helps shape competitive bid strategies. The role works with sales, contractors, engineers, and vendors, and provides technical oversight, coaching, and guidance to Estimator I and II personnel. A bachelor's degree is preferred, with equivalent experience considered.
Skills & qualifications
Skills
Qualifications
Full job description
Based in St. Louis, Core & Main is a leader in advancing reliable infrastructure with local service, nationwide. As a specialty distributor with a focus on water, wastewater, storm drainage and fire protection products and related services, Core & Main provides solutions to municipalities, private water companies and professional contractors across municipal, non-residential and residential end markets, nationwide. With over 370 locations across the U.S., the company provides its customers local expertise backed by a national supply chain. Core & Main's 5,700 associates are committed to helping their communities thrive with safe and reliable infrastructure. Visit coreandmain.com to learn more. Job Summary: The Senior Estimator - Critical Infrastructure Group (CIG) is responsible for developing accurate and detailed quantity takeoffs for complex infrastructure projects. This role provides technical expertise, identifies material options, supports value engineering, and works closely with sales and Pre-Bid team to develop competitive bid strategies. The Senior Estimator acts as a subjectmatter resource and provides oversight and guidance to Estimator I and II personnel. Major Tasks, Responsibilities and Key Accountabilities Project Evaluation & Takeoff Development Leads quantity takeoffs for complex and large-scale infrastructure projects. Interprets detailed plans, specifications, notes, and engineering drawings with a high level of accuracy. Identifies specialty materials and evaluates material options according to project specifications. Design Build Support Reviews drawings and design concepts to provide material takeoff. Works with contractors and internal teams to propose alternatives that support cost savings and lead-time improvements. Bid Strategy, Sales Support & Customer Engagement Supports development of advanced bid strategies with the sales team. Leads pretakeoff and posttakeoff meetings to ensure clear communication and scope alignment. Coordinates with contractors, engineers, and vendors to resolve complex material questions. Leadership & Mentorship Reviews and approves takeoff work completed by Estimators I and II. Provides regular coaching, training, and development guidance. Acts as a technical resource for the estimating team. Key Competencies High-level technical expertise Strong analytical and problemsolving abilities Excellent communication skills Ability to lead discussions and provide clear direction Advanced organizational and prioritization abilities Preferred Qualifications Experience 5+ years of estimating experience in construction or critical infrastructure Strong track record of performing complex takeoffs Experience collaborating with engineering teams, contractors, and vendors Prior involvement in value engineering or design build efforts Education Bachelor's degree preferred Construction Management, Engineering, or related discipline Equivalent experience considered Core & Main is an Equal Employment Opportunity employer. Employment at Core & Main is based solely on a person's merit and qualifications directly related to professional competence. Core & Main does not discriminate against any employee or applicant on the basis of race, creed, color, religion, national origin, nationality, ancestry, age, disability, veteran status, pregnancy or related condition (including breastfeeding), affectional or sexual orientation, gender identity or expression, marital status, status with regard to public assistance, citizenship, or any other ba is protected by law. None of the questions in this application are intended to elicit information regarding any protected characteristics, nor imply any limitation, illegal preferences or discrimination based upon non-job-related information or protected characteristics. For more information, please click here or visit https://www.eeoc.gov Core & Main is an Equal Employment Opportunity employer and does not discriminate in employment opportunities or practices on the basis of race, creed, color, religion, sex, national origin, nationality, ancestry, age, disability or status as a disabled veteran or veteran of the Vietnam era, pregnancy, affectional or sexual orientation, gender identity or expression, marital status, status with regard to public assistance, veteran status, citizenship or membership in any other legally protected class. None of the questions in this application are intended to elicit information regarding any protected characteristics, nor imply any limitation, illegal preferences or discrimination based upon non-job-related information or protected characteristics. Core & Main provides reasonable accommodations for qualified individuals with disabilities in the application, offer, and during employment. If you have any difficulty using our online system due to a disability and need an accommodation you may use the following email address: [email protected] Please specify which position you are seeking to apply for employment, and please only use this email address for inquiries regarding accommodations. For more information, please click here for a notice that provides information concerning the laws and procedures for filing complaints of violations of the laws with the Office of Federal Contract Compliance Programs (OFCCP) AA/EOE.
How this job compares
Set against the 2,601 open Estimator jobs on Olive Jobs, counted October 28, 2026.
- Pay
- This postingNot listed
- US median$95–151K/yr1,721 salary ranges
- US median$24–30/hr116 hourly ranges
- Openings
- Olive Jobs lists 39 open Estimator jobs in Mississippi and 2,601 across the US. 1% of them nationwide are listed as remote or flexible.
- Hiring the most in Mississippi
- CDM Smith15 open
- Granite Construction Company10 open
- TIC - The Industrial Company4 open
- Experience
- Estimator postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 8 years (2,102 postings).
- Education
- 388 of the 2,601 open Estimator jobs (15%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 28, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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