Demo

Estimator I / III

MasTec Clean Energy & Infrastructure
Centennial, CO Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 11/3/2026
Position Summary

The Estimator I/III position reports to the Estimating Manager of their Service Line and is typically a discipline specialist which will support bid pursuits; however, sometimes may be asked to lead an effort depending on various considerations.

Company Overview

MasTec Industrialis part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do.

MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor).

Responsibilities

ESSENTIAL JOB FUNCTIONS:

  • Listen to directions and suggestions from supervisors or other employees regarding safe and proper work practices, evaluate that information and implement a plan based on that evaluation for carrying out the duties of this position.
  • Be motivated and work productively.
  • Read and understand company policies and procedures and other literature and other documents applicable to assigned tasks.
  • With regard to that portion of the work assigned, develop complete understanding of the applicable company policies and procedures and plan and execute the assigned work in accordance with those policies and procedures.
  • Examine/inspect office conditions and/or procedures and identify problems, inaccuracies, and cost saving measures that arise or that may be encountered.
  • Manages the work of direct report(s). Inspect their work for accuracy and compliance with company’s policies and procedures, point out deficiencies and explain and take any corrective action needed.
  • Responsible for hiring, firing, performance appraisals, and pay reviews for direct reports
  • Produce quality work, meeting requirements of the company policies, procedures, and industry standards.
  • Identify workplace hazards and take all necessary corrective action to eliminate or minimize them.
  • Understand and respond appropriately to all safety hazards and warnings devices (i.e. back-up alarms, smell of smoke, different color warning tags, warning sirens).
  • Provide leadership, coordination, and guidance to other Estimators (I, II, & Senior I) in their assigned industry or market.
  • Lead strategic initiatives related to company, department or industry/market specific improvements.
  • Work hours required to complete work assigned by established deadlines.
  • Manage the available bid time to insure accurate and timely preparation of a complete estimate.
  • Function as a team player; create an environment where other groups and individuals want to work with you.
  • Perform complete conceptual estimates for large, complex EPC projects from receipt of bid package through final bid review, including site visits, scope determination, MTO, input data into computerized estimating systems, questions to Owner/Engineer and qualifications.
  • Utilize ability and experience to conceptualize portions of estimate.
  • Organize and detail the estimate so that manhours can be properly applied, easily understood for review purposes, and efficiently turned over to the field personnel.
  • When representing MIC’s to clients, engineers, vendors, or competitors, always maintain the highest standards of professionalism, fairness, and ethical behavior.
  • Through daily practice, carry out the spirit and intent MIC’s Company Beliefs
  • Perform entire conceptual estimates for large EPC, design build, general construction, and joint venture projects from receipt of bid packages through proposal to Owner.
  • The Estimator III will uniquely demonstrate an advanced knowledge of all aspects of Construction Estimating and consistently manage bid teams for large, complex projects. All Estimator III level employees have the responsibility of training other employees in the estimating department.
  • Responsibilities will include mastery of technical estimating responsibilities including lead responsibilities such as:
    • Site visits and jobsite exposure
    • Scope determination
    • Input into estimating software
    • Understanding RFQ requirements
    • Questions to owner/engineer
    • Written clarifications to owner/engineer/estimators
    • Turnover of bid estimate to the field
  • Responsibilities will include a mastery knowledge of discipline specific responsibilities including lead responsibilities such as:
    • Material Take Offs
    • Comprehension of drawings and specifications
    • Manhour analysis
    • Understanding of material pricing
    • Understanding of subcontracts
    • Understanding of strategies and variables
    • Understanding range of manhours
    • Providing field assistance
    • Standard coding support
Qualifications

EDUCATION AND WORK EXPERIENCE REQUIREMENTS:

  • Bachelor’s Degree or the equivalent of the education and experience.
  • 2-7 years of construction estimating experience
  • Knowledge of construction techniques, estimating and construction management
  • Knowledge of various contract types including EPC, DB and JV
  • Experience in contract negotiations
  • Experience in working with a variety of vendors and clients
  • Experience in leading bids on a regular basis

Knowledge, Skills, And Abilities Required

  • Be knowledgeable of MIC Health and Safety programs and project specific regulations.
  • When on-site, actively participate in daily toolbox meetings with crews and subcontractors.
  • Set a personal example of safe behavior.
  • Read, analyze and interpret the most complex documents
  • Respond effectively to the most sensitive inquiries or complaints
  • Use effective verbal and written communication skills. Add, subtract, multiply and divide whole numbers rapidly and accurately.
  • Compute rate, ratio and percent and draw and interpret bar graphs
  • Ability to solve practical problems and deal with a variety of concrete variables in situations
  • Interpret a variety of instructions furnished in written, oral, diagram or schedule form
  • Ability to write speeches and articles using original or innovative techniques or style.
  • Ability to make effective and persuasive speeches and presentations on controversial or complex topics to top management, public groups and/or boards of directors.
  • Other may duties may be assigned

PHYSICAL DEMANDS: This position requires prolonged sitting at a desk and working at a computer. Must be able to lift up to 20 pounds at times.

HOURS: This position is a standard full-time position, with general business 40-hour operating schedule, Monday-Friday.

TRAVEL: Must be able to travel up to 10-25% of the time

What's In It For You

Financial Wellbeing

  • Compensation $100,000-$150,000 / year, commensurate with experience
  • Competitive pay with ongoing performance review and merit increase
  • 401(k) with company match & Employee Stock Purchase Plan (ESPP)
  • Flexible spending account (Healthcare & Dependent care)

Health & Wellness

  • Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
  • Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance, Weight Management Drug Discount
  • Discounted National Gym Membership Network

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Benefits Continuation
  • Employee Assistance Program

Planning for the Unexpected

  • Short and long-term disability, life insurance, and accidental death & dismemberment
  • Voluntary life insurance, accident, critical illness, hospital indemnity coverage
  • Emergency Travel Assistance Program
  • Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information.

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/ .

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

Service Line

MPC-MasTec Industrial

Salary : $100,000 - $150,000

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