Administrative Duties * Manage calendars, schedule meetings, for project personnel. * Assist with invoice tracking, expense reporting, and budget documentation. * Respond to internal and external ...
85 Mastec Project Administrative Assistant Jobs Hiring Near You
Administrative Duties * Manage calendars, schedule meetings, for project personnel. * Assist with invoice tracking, expense reporting, and budget documentation. * Respond to internal and external ...
General Information Press space or enter keys to toggle section visibility Job Location * Toronto, ON Date Published 21-Jul-2026 Department Administration Min Compensation 57 000 Max Compensation 74 ...
General Information Press space or enter keys to toggle section visibility Job Location * Toronto, ON Date Published 21-Jul-2026 Department Administration Min Compensation 57 000 Max Compensation 74 ...
Customer Service & Project Administrative Assistant
Dallas, TX · On-site
$17 - $21.75/hr
Customer Service & Project Administrative Assistant Location: Dallas, TX 75206 Duration: 6-Month Contract (Potential for Extension) Schedule: Full-Time | Monday-Friday About the Opportunity We're ...
Customer Service & Project Administrative Assistant
Dallas, TX · On-site
$17 - $21.75/hr
Customer Service & Project Administrative Assistant Location: Dallas, TX 75206 Duration: 6-Month Contract (Potential for Extension) Schedule: Full-Time | Monday-Friday About the Opportunity We're ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Project Admin Assistant
Maroa, IL · On-site
$18 - $20/hr
One year of experience in office support or administrative role Knowledge, Skills and Abilities ... MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully ...
Onsite Project Administrative Assistant (Electrical Construction) Reports to: Senior Managers and Estimators Location: New Albany, OH FLSA Status: Full-Time / Non-Exempt Updated: July 2026 COMPANY ...
Onsite Project Administrative Assistant (Electrical Construction) Reports to: Senior Managers and Estimators Location: New Albany, OH FLSA Status: Full-Time / Non-Exempt Updated: July 2026 COMPANY ...
You will join our Advanced Manufacturing Organization (AMO) department As our new Project Manager Assistant you will be part of a highly motivated project team focusing on delivering high risk high ...
You will join our Advanced Manufacturing Organization (AMO) department As our new Project Manager Assistant you will be part of a highly motivated project team focusing on delivering high risk high ...
Administrative Assistant
Farmington, NH · On-site
$16.75 - $22.50/hr
In every stage of every project, 3Phase adheres to the strictest environmental and safety ... MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading ...
Administrative Assistant
Farmington, NH · On-site
$16.75 - $22.50/hr
In every stage of every project, 3Phase adheres to the strictest environmental and safety ... MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading ...
Project Administrative Assistant-Traveler Civil
Rayville, LA · On-site
$33.12/hr
As a Project Administrative Assistant, you are at the heart of the business operations and activities and the soul that keeps your team moving forward. Must be open to 100% onsite travel to projects ...
Project Administrative Assistant-Traveler Civil
Rayville, LA · On-site
$33.12/hr
As a Project Administrative Assistant, you are at the heart of the business operations and activities and the soul that keeps your team moving forward. Must be open to 100% onsite travel to projects ...
Onsite Project Administrative Assistant (Electrical Construction) Reports to: Senior Managers and Estimators Location: New Albany, OH FLSA Status: Full-Time / Non-Exempt Updated: July 2026 COMPANY ...
Onsite Project Administrative Assistant (Electrical Construction) Reports to: Senior Managers and Estimators Location: New Albany, OH FLSA Status: Full-Time / Non-Exempt Updated: July 2026 COMPANY ...
Project Administrative Support
Merced, CA · On-site
Perform sensitive and confidential tasks. .Assist with scheduling and organizing project activities including meetings, training, etc. Project Administrative Support duties: Type various forms of ...
Project Administrative Support
Merced, CA · On-site
Perform sensitive and confidential tasks. .Assist with scheduling and organizing project activities including meetings, training, etc. Project Administrative Support duties: Type various forms of ...
MasTec Jobs Information
Do workers at MasTec get paid breaks?
Sometimes. Only some people get paid breaks.
50% of people say they don’t get paid breaks.
Based on data from 36 people who took the Breakroom Quiz between August 2025 and August 2026.
50% of people say they don’t get paid breaks.
Based on data from 36 people who took the Breakroom Quiz between August 2025 and August 2026.
Does MasTec pay people when they’re sick?
Sometimes. Only some people get paid when they’re sick.
34% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 64 people who took the Breakroom Quiz between July 2025 and July 2026.
34% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 64 people who took the Breakroom Quiz between July 2025 and July 2026.
At MasTec, are sick days and vacation days separate paid time off?
Only some people have separate paid time off for sick days and vacation.
34% of people say they have to use vacation days when they’re out sick.
Based on data from 59 people who took the Breakroom Quiz between August 2025 and August 2026.
34% of people say they have to use vacation days when they’re out sick.
Based on data from 59 people who took the Breakroom Quiz between August 2025 and August 2026.
Is the health insurance from MasTec affordable enough for their workers?
Most people say the health insurance costs are okay.
96% of people say the health insurance costs are okay
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
96% of people say the health insurance costs are okay
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people get paid time off at MasTec?
Most people get paid time off work.
97% of people say they get paid time off.
Based on data from 61 people who took the Breakroom Quiz between August 2025 and August 2026.
97% of people say they get paid time off.
Based on data from 61 people who took the Breakroom Quiz between August 2025 and August 2026.
How far ahead of time do people find out their work schedule?
Most people find out their schedule less than four weeks ahead of time.
Based on data from 49 people who took the Breakroom Quiz between January 2025 and July 2026.
- 94% of people with changing schedules find out their shifts one week or less ahead of time.
- 4% of people with changing schedules find out their shifts two weeks ahead of time.
- 0% of people with changing schedules find out their shifts three weeks ahead of time.
- 2% of people with changing schedules find out their shifts four weeks or more ahead of time.
Based on data from 49 people who took the Breakroom Quiz between January 2025 and July 2026.
Do workers at MasTec worry about hours?
Some people worry about getting enough hours.
39% of people report they worry about getting enough hours.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.
39% of people report they worry about getting enough hours.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.
Do MasTec workers get to choose the shifts they work?
Some people don’t get to choose which shifts they work.
67% report that they don’t have enough control over which shifts they work.
Based on data from 30 people who took the Breakroom Quiz between July 2025 and July 2026.
67% report that they don’t have enough control over which shifts they work.
Based on data from 30 people who took the Breakroom Quiz between July 2025 and July 2026.
How easy is it for MasTec workers to change shifts?
Some people find it hard to change shifts.
36% of people report that it’s hard to change shifts if they need to.
Based on data from 56 people who took the Breakroom Quiz between December 2024 and July 2026.
36% of people report that it’s hard to change shifts if they need to.
Based on data from 56 people who took the Breakroom Quiz between December 2024 and July 2026.
How easy is it to get time off at MasTec?
Most people find it easy to get time off.
90% of people report it’s easy to get time off.
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
90% of people report it’s easy to get time off.
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
Do MasTec managers change schedules at the last minute?
Some managers change people’s schedules at the last minute.
43% of people say their manager changes their shift schedule at the last minute.
Based on data from 35 people who took the Breakroom Quiz between July 2025 and July 2026.
43% of people say their manager changes their shift schedule at the last minute.
Based on data from 35 people who took the Breakroom Quiz between July 2025 and July 2026.
Do jobs at MasTec spill into time workers aren’t paid for?
Rarely. The job doesn't usually spill into unpaid time.
33% of people report that their job takes up time that they don’t get paid for.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.
33% of people report that their job takes up time that they don’t get paid for.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.
How easy is it to take sick days at MasTec?
Most people find it easy to take sick days.
91% of people report that it’s easy to take time off if they are sick.
Based on data from 58 people who took the Breakroom Quiz between August 2025 and August 2026.
91% of people report that it’s easy to take time off if they are sick.
Based on data from 58 people who took the Breakroom Quiz between August 2025 and August 2026.
Is a MasTec job good for students?
Most students say this is a good place to work if you’re studying.
67% of students report this is a good place to work if you’re studying.
Based on data from 6 people who took the Breakroom Quiz between April 2025 and March 2026.
67% of students report this is a good place to work if you’re studying.
Based on data from 6 people who took the Breakroom Quiz between April 2025 and March 2026.
Is working at MasTec good if you’re a parent or caregiver?
Most parents and caregivers say this is a good place to work.
71% of people who care for a child or other relative report this is a good place to work.
Based on data from 56 people who took the Breakroom Quiz between December 2024 and August 2026.
71% of people who care for a child or other relative report this is a good place to work.
Based on data from 56 people who took the Breakroom Quiz between December 2024 and August 2026.
Do people at MasTec feel treated with respect by their managers?
Most people feel treated with respect by their managers.
75% of people say they’re treated with respect by their managers.
Based on data from 61 people who took the Breakroom Quiz between July 2025 and July 2026.
75% of people say they’re treated with respect by their managers.
Based on data from 61 people who took the Breakroom Quiz between July 2025 and July 2026.
Do people at MasTec get to take their breaks without interruption?
Only some people get breaks without interruption.
34% of people report that their breaks get interrupted.
Based on data from 47 people who took the Breakroom Quiz between August 2025 and August 2026.
34% of people report that their breaks get interrupted.
Based on data from 47 people who took the Breakroom Quiz between August 2025 and August 2026.
Is it stressful to work at MasTec?
Some people feel stressed here.
66% of people say they often feel stressed at work.
Based on data from 56 people who took the Breakroom Quiz between August 2025 and August 2026.
66% of people say they often feel stressed at work.
Based on data from 56 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people at MasTec enjoy their jobs?
Most people enjoy their job.
81% of people report they enjoy their job.
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
81% of people report they enjoy their job.
Based on data from 52 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people at MasTec recommend working with their team?
Only some people recommend working with their team.
43% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 61 people who took the Breakroom Quiz between August 2025 and August 2026.
43% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 61 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people get enough training when they start at MasTec?
Some people didn’t get enough training when they started.
42% of people report they didn’t get enough training when they started working here.
Based on data from 57 people who took the Breakroom Quiz between August 2025 and August 2026.
42% of people report they didn’t get enough training when they started working here.
Based on data from 57 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people get support to advance at MasTec?
Only some people are given support to advance their career here.
In the last year, 41% of people report not being given support to advance their career here.
Based on data from 58 people who took the Breakroom Quiz between July 2025 and July 2026.
In the last year, 41% of people report not being given support to advance their career here.
Based on data from 58 people who took the Breakroom Quiz between July 2025 and July 2026.
Do people think MasTec’s headquarters understands what’s happening where they work?
Most people think headquarters doesn’t understand what’s happening where they work.
77% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 65 people who took the Breakroom Quiz between July 2025 and July 2026.
77% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 65 people who took the Breakroom Quiz between July 2025 and July 2026.
Do workers feel well informed about how MasTec is doing?
Only some people feel well informed about how the company is doing.
56% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 57 people who took the Breakroom Quiz between August 2025 and August 2026.
56% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 57 people who took the Breakroom Quiz between August 2025 and August 2026.
What other companies are hiring for Project Administrative Assistant jobs?
What are the most popular jobs at Mastec?
What are the most popular categories at Mastec?
Full-time
Re-posted 23 days ago
Job description
Administrative Duties
Communication and Coordination
Document and Data Management
Qualifications:
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
- Manage calendars, schedule meetings, for project personnel.
- Assist with invoice tracking, expense reporting, and budget documentation.
- Respond to internal and external inquiries with professionalism and accuracy.
- Support on-boarding of new project staff (file creation, credential requests, orientation paperwork).
Communication and Coordination
- Act as a point of contact between project managers, field personnel, subcontractors, and clients.
- Track outstanding items, follow up on deadlines, and keep teams informed of upcoming activities.
- Assist in coordinating project meetings, including logistics setup and document distribution.
Document and Data Management
- Maintain accurate logs for document submitted, such as permits, and compliance requirements.
- Enter data into project management software systems such as SharePoint, or similar platforms.
- Perform quality checks for formatting, completeness, accuracy, and compliance with project standards.
Qualifications:
- Strong organizational, multitasking, and communication skills.
- Excellent written communication and attention to detail.
- Proficient in Microsoft Office Suite (Word, Excel, Outlook, PowerPoint).
- Ability to maintain confidentiality and handle sensitive information.
- Basic math skills for reviewing invoices and quantities.
- Two (2) years of secretarial and/or clerical experience a plus
- Strong proficiency in Microsoft Office (Word, Excel, PowerPoint, Outlook).
- FDOT Final Estimates Level I certification a plus
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.