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Coreandmain

Senior Estimator - CIG

OR · On-site +1

The Senior Estimator - Critical Infrastructure Group (CIG) is responsible for developing accurate and detailed quantity takeoffs for complex infrastructure projects. This role provides technical ...

CIG Logistics

Bulk Terminal Operator

Odessa, TX · On-site

CIG Logistics is a national leader in providing niche logistics services to our clients across three main areas: rail services and the storage and delivery of bulk commodities, last-mile delivery of ...

CIG Logistics

Bulk Terminal Operator

San Antonio, TX · On-site

CIG Logistics is a national leader in providing niche logistics services to our clients across three main areas: rail services and the storage and delivery of bulk commodities, last-mile delivery of ...

CIG Logistics

Bulk Terminal Operator

Carlsbad, NM · On-site

CIG Logistics is a national leader in providing niche logistics services to our clients across three main areas: rail services and the storage and delivery of bulk commodities, last-mile delivery of ...

Coreandmain

Treatment Plant Estimator - CIG

The Estimator - Critical Infrastructure Group (CIG) supports the development of quantity takeoffs for critical infrastructure projects under direct guidance from senior estimating personnel. This ...

AEI-CIG

Application Engineer

Santa Clara, CA · On-site

$130K - $160K/yr

As an application engineer at CIG, you will have the opportunity to work on cutting-edge optical transceiver technology for high-growth AI data center applications. You will support hyperscale data ...

Abbott

CIG Senior Specialist Quality Assurance

Alameda, CA · On-site

$90K - $180K/yr

CIG Senior Specialist Quality Assurance Working at Abbott At Abbott, you can do work that matters, grow, and learn, care for yourself and your family, be your true self, and live a full life. You'll ...

CIG COMPANIES SERVICES

Paralegal

Orlando, FL · On-site

Carey International Group (CIG) is seeking a detail-oriented and proactive Paralegal to support the company's legal department. The successful candidate will assist the legal team with contract ...

Abbott

CIG Senior Specialist Quality Assurance

Alameda, CA · On-site

$90K - $180K/yr

CIG Senior Specialist Quality Assurance Working at Abbott At Abbott, you can do work that matters, grow, and learn, care for yourself and your family, be your true self, and live a full life. You'll ...

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Infographic showing various job openings at Cig in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.

Senior Estimator - CIG

Coreandmain

OR • On-site, Remote

Full-time

Posted 5 days ago

Key responsibilities

  • Develops accurate and detailed quantity takeoffs for complex infrastructure projects.

  • Supports bid strategy development by interpreting plans, specifications, and engineering drawings, and identifying material options.

  • Reviews and approves takeoff work by Estimators I and II, providing coaching and technical guidance.

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. Visitcoreandmain.comto 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 basis 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

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