Administrative Assistant / AP

Wanzek Construction, Inc.; Richmond (VA); On-site; USD 42,000 - 55,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Disability insurance

Life insurance

401(k)

Employee Stock Purchase Plan

Job summary

MasTec Utility Services is seeking an Administrative Assistant / Accounts Payable Clerk to support field and regional operations. The role focuses on filing, invoicing, vendor setup, and providing broad administrative support to a busy construction team.

The position requires strong Excel skills, attention to detail, and the ability to manage multiple tasks in a fast-paced environment. You will work with Operations Managers and ensure timely processing of expense reports and payroll timesheets.

Qualifications

• High School Diploma or equivalent.
• 2+ years of general administrative experience in a fast-paced environment.
• Strong Excel and computer skills; tech-savvy and able to learn quickly.
• Accounts payable, PO generation, invoicing, and basic payroll experience.
• Strong organizational and documentation skills; able to coordinate multiple ongoing projects/tasks.
• Excellent written and verbal communication skills.
• Ability to be results-oriented and take initiative.

Responsibilities

• Establish and maintain a filing system for current documentation.
• Assist with vendor relations, invoicing, new vendor setup, and vendor issue resolution.
• Handle calls, emails, and correspondence; route inquiries to appropriate departments.
• Assist customers and field employees with requests and tasks.
• Process work/projects, create invoices, and maintain logs of start/end dates.
• Coordinate staff meetings and prepare materials, follow up on action items.
• Respond to Resource Management and Field Operations requests in a timely manner.
• Maintain site bulletin boards with newsletters and safety information.
• Prepare and submit weekly expense reports; receive payroll timesheets for timely payment.
• Provide backup support to other office staff and assist with special projects.

Skills

Excel

Accounts payable

Office suite

Communication

Documentation

Education

High School Diploma

Associate Degree in Business Management

Tools

Microsoft Office

Job description

Overview

Company Summary

MasTec Utility Services delivers critical infrastructure construction and engineering services for power delivery, gas, and water customers, specializing in overhead and underground electric distribution for power delivery systems, gas distribution construction for gas systems, and turnkey solutions for a variety of water, sewer, and civil infrastructure projects. Backed by the strength of decades of experience, unrivaled industry skills, and a deep commitment to core values, MUS delivers safe, innovative, and environmentally responsible services that provide extraordinary value to clients.

MasTec Utility Services is a purpose-driven company. Our core values guide our strategy, performance, and culture. We believe in maintaining an environment where team members can make an impact, grow, and thrive. A place where they find meaning and purpose in doing the important work of ensuring communities have the vital energy, light, and communications to prosper. Our culture is inclusive and welcoming. Our teams are empowered with abundant training, tools, and opportunities to follow their curiosity and ambitions. Everyone has an equal chance to advance. Everyone is supported, respected, and challenged to be their best. We’re always looking for talented and dedicated people to join us and love where they work.

MasTec Utility Services is a proud subsidiary of MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading contractors in the country. MUS is part of the MasTec Power Delivery segment. We are certified as a minority-controlled company by the National Minority Suppliers Development Council (NMSDC). Our rich diversity of people and ideas makes us a stronger, more innovative organization.

Job Summary

TheAdministrative Assistant / Accounts Payable Clerk will provide administrative and general office support to the site and regional operations. The Administrative Assistant directly impacts business operations by providing efficient and effective support directly to the field. The Administrative Assistant will act as the primary point of contact for site personnel, Operations Managers, and Regional Support Managers. Must have strong computer skills, be highly organized, proactive, and capable of providing broad administrative/project support to a busy construction team.

Responsibilities

• Establish and maintain a filing system, ensuring documentation/information is current and can be readily retrieved.
• Assist with external and internal vendor relations, including but not limited to, payment of invoices, new vendor setup, and resolution of any vendor issues.
• Handle incoming calls, emails, and company related correspondence daily, including customer inquiries and complaints, routing inquiries/requests to appropriate individual/department for response, following up and providing any coordination necessary to ensure response occurs in timely, efficient manner.
• Assist customers with immediate needs and help employees with tasks related to customer requests.
• Track paperwork, process new work/projects, change the status of work/projects, complete CUs, create invoices for all jobs and keep a detailed record of start and end dates in a separate log.
• Organize and coordinate staff and other meetings, including preparing materials pertaining to agenda items, following up with staff members regarding status of action items, etc.
• Respond timely to requests from Resource Management and Field Operations.
• Keep site bulletin boards updated and neatly organized with company newsletters, safety bingo, daily scorecards, federal posters, workers compensation information, etc.
• Attend crew meetings as needed to collect documents, communicate information, and respond to inquiries.
• Maintain safe work environment by following and supporting safe practices.
• Prepare and submit expense reports weekly in accordance with company policy, including for traveling technicians and new hires.
• Receive payroll timesheets and input in a timely fashion to ensure employees get paid on time.
• Assist/provide backup support to other office support employees as required.
• Coordinate special projects as assigned.
• Perform other duties as required and/or assigned.
• Assist and support field management on projects and daily business needs.

Qualifications

Minimum Qualifications

• A High School Diploma, or equivalent.
• 2+ years of general administrative experience, ideally in construction, engineering, or a similarly fast-paced environment.
• Strong Excel and computer skills; tech-savvy and able to learn quickly.
• Accounts payable, PO generation, invoicing, and basic payroll experience.
• Strong organizational and documentation skills; able to coordinate multiple ongoing projects/tasks.
• Able to manage high volumes of work with accuracy and attention to detail.
• General office support, including ordering supplies, coordinating lunches, scheduling, and other administrative needs.
• Excellent written and verbal communication skills.
• Ability to be results-oriented, taking initiative to make things happen, accept accountability, and have a “can do” attitude.
• Advanced proficiency in Microsoft Office applications.

Preferred Qualifications

• An Associate Degree in Business Management or similar discipline.
• Experience in a construction or project environment.
• Possess a very strong background in Microsoft Excel.

Physical Demands and Work Environment

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, copiers, and scanners.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. This position is primarily sedentary, with some filing or lifting required. Must be able to bend and lift and carry up to 20 pounds.

Please note this job description is not designed to cover or contain a comprehensive list of activities, duties, or responsibilities that are required of the employee for this job. The Company reserves the right to revise or change the job duties as the need arises. Management reserves the right to change the description, duties, or work schedules to accommodate individuals with disabilities.

Benefits available include Medical, Dental, Vision, Disability and Life insurance, a 401k plan and Employee Stock Purchase plan. MasTec is a publicly traded company MTZ (NYSE).

Equal Employment Opportunity:

The Company’s policy is not to unlawfully discriminate against any applicant or employee based on race, color, national origin, ethnicity, sex, gender, sexual orientation, religion, marital status, age, disability, genetic information, military or veteran status, or any other basis protected by applicable law and EEOC regulations. The Company also prohibits harassment of applicants or employees based on any of these protected categories.