Office Coordinator

Overview

William Charles Construction, a Mas Tec Company, is currently hiring an Office Coordinator in our Springfield, IL office. This is an on-site position Monday to 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.

• Receive and route incoming phone calls from field personnel
• Greets guests and directs them to the appropriate person
• Pick up and sort incoming mail and deliver to appropriate recipients, including post office pickup and drop‑off
• Create UPS and Fed Ex shipments and deliver received packages as needed
• Enter data into computer programs for various projects
• Support various departments on tasks including new jobsite trailer setups and field site needs
• Order and maintain office supplies
• Work with project controls and compliance to verify payment status for subcontractors
• Assist Project Managers and Project Engineers with project closeout documentation
• Provide 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
• Perform other duties as assigned

• High School Diploma or equivalent
• 1 to 3 years Office Coordinator/Reception experience in a fast‑paced environment

Knowledge/Skills/Abilities

• Working knowledge of Microsoft Office
• Working knowledge of basic office practices
• Effective oral and written communication skills, in person and by telephone
• Operation of telephone equipment and handling of inbound/outbound calls
• Any combination of equivalent education and work experience will be considered

Financial Well‑being

• Competitive pay – $23.00–$27.00 per hour, commensurate with experience
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Health Care & 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. 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 in to your candidate profile for up‑to‑date information.

Mas Tec, 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 Mas Tec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Mas Tec 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.

Mas Tec 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 (Use the "Apply for this Job" box below)..