Estimator
Listed on MasTec’s official careers site. Posted August 19, 2026. Check that it is still open and apply there.
Apply on MasTec’s careers site →Job description
Overview
William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with the primary responsibilities of this role to include providing document review and accurate quantity takeoff for heavy civil construction proposals. This position will work closely with the estimating staff and perform under their direction. This position would be based in one of our local offices: Rockford IL or Indianapolis IN.
Company Overview With more than a century of exceptional work on our resume, William Charles Construction remains guided by the pursuit of excellence. Our “Do it Right the First Time” work ethic has been the cornerstone of our business philosophy since 1892. With our broad background in heavy civil construction, environmental management, and mining and materials production, we have the expertise to help our customers complete their most complex projects.
William Charles Construction is 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
- Review, analyze and interpret contract documents for complete understanding of the work to perform accurate quantity takeoffs
- Develop subcontractor and supplier scope packages and perform detailed outreach to procure pricing coverage as required
- Coordinate with lead estimators and provide support as needed to include bidding assigned scopes of work
- Document management, collecting information and completing basic bid deliverable forms and subcontractor and supplier quotes Effective communication and interaction with clients, engineers, subcontractors and suppliers Company representation at pre-bids and site visits
Qualifications
- Bachelor’s Degree in Civil/Structural Engineering or Construction Management is preferred.
A combination of education and experience will be considered in lieu of a degree Prior knowledge and experience with heavy civil construction is preferred Precise attention to details and exceptionally organized Highly motivated self-starter Stay up-to-date with industry trends, pricing, and best practices Work Environment: The role is primarily office-based and occasional site visits may be expected
Occasional travel between our Illinois and Indiana offices may be expected Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions What's in it for you: Financial Wellbeing Ongoing performance reviews and merit increases 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 Family & Lifestyle Paid Time Off, Paid Holidays, Bereavement Leave Military Leave, including Differential Pay and
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 [email protected]. 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. 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.
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/. #LI-TM1 #LI-Onsite #Dunnett Bay #Herlighy #Lorig #Granite #Kiewit #Helm #Constructors #IHC #construction #Stark #Excavating #OttoBaum #Laverdiere
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