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Assistant Admin Jobs in Decatur, IL (NOW HIRING)

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL · On-site

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL · On-site

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL · On-site

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

MasTec Inc

Project Admin Assistant (local)

Maroa, IL

$18 - $20/hr

Handle incoming and outgoing mail * Assist with copying and scanning as needed * Maintain tracking and reporting spreadsheets needed for the project * Maintain an adequate amount of office supplies ...

Springfield Staffing Solution

CNA (Any state)

Texas, IL · On-site

$20 - $35/hr

Administer prescribed medications to patients * Sterilize and prepare medical tools and equipment * Assist in the transport of patients * Provide companionship and basic care to patients * Maintain a ...

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Assistant Admin information

See Decatur, IL salary details

$11

$20

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How much do assistant admin jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for assistant admin in Decatur, IL is $20.41, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $22.60 per hour, depending on experience, location, and employer.

What is the role of an administration assistant?

An administrative assistant provides support with daily office tasks such as managing schedules, handling correspondence, organizing files, and preparing documents. They often use office software like Microsoft Office and require strong organizational and communication skills to ensure smooth operations within an organization.

How much do administrative assistants make?

The average salary for administrative assistants in the United States is around $40,000 to $45,000 per year, with variations based on experience, location, and industry. In some regions, salaries can range from $30,000 to over $50,000, and additional skills such as proficiency in office software or certification can influence pay rates.

What are the most common challenges faced by Assistant Admins in a busy office setting?

Assistant Admins often juggle multiple tasks simultaneously, such as managing schedules, handling correspondence, and supporting various team members. One common challenge is prioritizing urgent requests while maintaining accuracy and attention to detail. Working with different departments can also require strong communication skills and adaptability. Building effective time management strategies and staying organized are key to thriving in this dynamic environment.

What jobs do admin assistants do?

Admin assistants perform clerical tasks such as managing schedules, answering phones, organizing files, preparing documents, and handling correspondence. They often use office software like Microsoft Office and may coordinate meetings or support other staff members to ensure smooth office operations.

What are the key skills and qualifications needed to thrive as an Assistant Admin, and why are they important?

To thrive as an Assistant Admin, you need strong organizational skills, attention to detail, and proficiency in general office tasks, often supported by a high school diploma or associate degree. Familiarity with office software such as Microsoft Office Suite, scheduling systems, and document management tools is typically required. Excellent communication, time management, and problem-solving abilities help you stand out in this role. These skills are vital for ensuring smooth office operations, effective support to staff, and efficient workflow management.

What exactly does an administrative assistant do?

An administrative assistant provides support to an organization by handling tasks such as managing schedules, answering phones, preparing documents, and organizing files. They often use office software like Microsoft Office and require strong organizational and communication skills to ensure smooth office operations.

What is the difference between Assistant Admin vs Office Coordinator?

AspectAssistant AdminOffice Coordinator
Required CredentialsHigh school diploma or equivalent; some roles may prefer administrative certificationsHigh school diploma; organizational or administrative certifications beneficial
Work EnvironmentOffice settings, supporting administrative tasksOffice environments, managing daily operations and coordination
Employer & Industry UsageCommon in various industries for administrative supportOften found in corporate, healthcare, and educational sectors for office management
Comparison FocusSupports administrative functions, often reporting to managersCoordinates office activities, ensuring smooth daily operations

The Assistant Admin primarily provides administrative support and handles routine tasks, while the Office Coordinator manages daily office operations and ensures effective workflow. Both roles are essential for office efficiency but differ in scope and responsibilities.

What jobs make $3,000 a month without a degree?

For an administrative assistant, earning $3,000 a month without a degree is possible with experience, strong organizational skills, and proficiency in office software. Other roles such as customer service representatives, sales associates, or certain trades like HVAC or plumbing can also reach this income level through experience and certifications. Many of these jobs require on-the-job training or vocational skills rather than formal degrees.

What are Assistant Admins?

Assistant Admins, also known as Administrative Assistants, are professionals who provide administrative support within an organization. Their responsibilities typically include managing schedules, organizing files, handling correspondence, and assisting with office operations to ensure everything runs smoothly. They often serve as a point of contact between management, staff, and external parties. Strong organizational, communication, and time management skills are essential for this role. Assistant Admins play a key part in maintaining efficient office workflows and supporting team productivity.
What are the most commonly searched types of Admin jobs in Decatur, IL? The most popular types of Admin jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Assistant Admin jobs? Cities near Decatur, IL with the most Assistant Admin job openings:
Assistant Admin jobs near you
Infographic showing various Assistant Admin job openings in Decatur, IL as of July 2026, with employment types broken down into 1% As Needed, 72% Full Time, 22% Part Time, 1% Temporary, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $42,454 per year, or $20.4 per hour.
Project Admin Assistant (local)

Project Admin Assistant (local)

Mastec Industrial

Maroa, IL • On-site

$18 - $20/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

MasTec rating

7.4

Company rating: 7.4 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

34th of 79 rated construction

Job description

Responsible for performing a variety of administrative functions supporting the on-site project management team.

  • Greet visitors and direct them accordingly
  • Provide excellent customer service to both internal and external clients
  • Communicate messages to the appropriate parties in a timely manner
  • Handle incoming and outgoing mail
  • Assist with copying and scanning as needed
  • Maintain tracking and reporting spreadsheets needed for the project
  • Maintain an adequate amount of office supplies
  • Assist with project errands and food deliveries
  • May support with data entry in various systems (i.e. Salesforce)
  • Know where/how to locate all personnel in the office/shop/field
  • Partner with the IT department to help users troubleshoot onsite equipment issues (computers, copy machine, scanner)
  • Serve as a champion of the Companys safety culture
  • Other duties as assigned

Education and Work Experience Requirements:

  • High school diploma or equivalent preferred
  • One year of experience in office support or administrative role

Knowledge, Skills and Abilities Required:

  • Take reasonable care of your own and others health and safety and of those who may be affected by the day-to-day delivery of this role by taking personal responsibility for working toward the Companys Zero Injury principles
  • Proficiency in Microsoft Office Suite (Word, Excel, Outlook, PowerPoint, SharePoint, Teams, etc.)
  • Ability to meet deadlines
  • Strong organization and multitasking skills to manage various responsibilities simultaneously
  • Excellent attention to detail and ability to maintain accurate records
  • Strong verbal and written communication skills
  • Ability to work collaboratively with all levels of the organization

Working Environment:

  • When visiting jobsites, the work environment involves some exposure to hazards or physical risks, which require following basic safety precautions

This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud

What's in it for You

Financial Wellbeing

  • Compensation $18$20/hr commensurate with experience
  • 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, Weight Management Drug Discount
  • Discounted National Gym Membership Network
  • Employee Assistance Program

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including 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.

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/.

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.

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