Office Coordinator

Overview

William Charles Construction, a MasTec Company, is currently hiring an Office Coordinator in our Springfield, IL office.

This is an on-site position Monday-Friday.

The Office Coordinator supports daily office operations and construction project teams by managing incoming calls, mail, guests, and shipments while maintaining organized filing systems. The role provides administrative support across departments, including assisting with jobsite setups, project documentation, subcontractor payment verification, and project closeout activities. The Office Coordinator ensures efficient communication between internal teams and external vendors to support smooth project execution.

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

• Responsible for receiving and routing incoming phone calls received by field personnel
• Greets guests and establishes their needs to direct them to the appropriate person
• Responsible for picking up and sorting incoming mail as well as delivering mail to appropriate interoffice recipients, including post office pickup / drop off
• Creates UPS and FedEx shipments and delivers received packages as needed
• Responsible for entering data into computer programs for various projects
• Responsible for supporting various departments on tasks including new jobsite trailer setups / field site needs
• General office duties such as ordering / maintaining office supplies
• Work with project controls and compliance to verify payment status for subcontractors
• Assist Project Managers and Project Engineers with project closeout documentation
• Cross-functional support with Accounts Payable and Project Management teams
• Communicate with vendors regarding closeout, startup, and other documentation across contracts
• Serve as point of contact for administrative and operations across project teams
• Maintain both physical and digital filing systems
• Will provide other duties as assigned

Qualifications

Knowledge / Skills / Abilities

What's in it for you :

Financial Wellbeing

Health & Wellness

Family & Lifestyle

Planning for the Unexpected

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 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 or . If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at  .

#LI-DS1

#LI-Onsite