The MasTec Companies

Proposal Coordinator

Job Locations US-IL-Rockford
Requisition Post Information* : Posted Date 1 day ago(3/23/2026 10:59 AM)
Requisition ID
2026-61396
# of Openings
1
Candidate Search Category (Portal Searching)
Administrative
Service Line (UKG) : Name
WCL-William Charles Construct

Overview

The Proposal Coordinator will support the Estimating Department by coordinating internal resources, gathering required documentation, and assisting with the preparation and submission of project bids and proposals. This role requires strong organizational skills, attention to detail, and the ability to communicate effectively with internal teams and external partners.
 
Location & Details: This position will report to our Rockford, IL office Monday-Friday 8am-5pm
 
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. 

 

MasTec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables and infrastructure sectors. Our industrial expertise includes building products manufacturers, decarbonization, power generation facilities, manufacturing plants and mining. In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects and commercial buildings. Our renewables sector focuses on solar, wind and battery storage. 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. 

Responsibilities

  • Review Requests for Proposals (RFPs) and bid documents to identify submission requirements and deadlines, including EEO, DBE, and Small Business requirements.
  • Collect, organize, and maintain materials required for bid submissions and prequalification’s across multiple industries.
  • Coordinate with internal departments to gather required documentation and information for proposals and bids.
  • Organize bid deliverables and ensure all required documents are completed and submitted on time.
  • Order bid bonds and obtain required insurance documentation as specified by project owners.

Qualifications

Education and Work Experience Requirements:

  • Bachelor’s degree preffered
  • 3+ years administative experience 
  • Detail Oriented with excellent organizational, mulit-tasking and management skills.

Knowledge, Skills and Abilities Required:

 

    • Adobe, Microsft Office 
    • Able handle pressure under strict deadlines 

 

What's in it for you:

 

Financial Wellbeing

  • 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

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 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.

 

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/.

 

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Service Line

WCL-William Charles Construct

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