Administrative Assistant

Aston Carter; Wilmington (DE); On-site; USD 57,308,000 - 68,770,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance (Voluntary Life & AD&D)

Short and long-term disability

Health Spending Account (HSA)

Transportation benefits

Employee Assistance Program

PTO / Vacation / Sick Leave

Job summary

Aston Carter is seeking an Administrative Assistant to support a growing general contracting and construction office in Wilmington, MA. The role serves as the primary on-site administrative resource, ensuring smooth operations while leadership travels to job sites.

The position offers a 6-month contract-to-hire path, onsite work Monday through Friday, 9:00 AM to 5:00 PM, with benefits eligibility and opportunities to take ownership of office processes and vendor coordination.

Qualifications

• 4+ years of administrative, clerical, or office support experience.
• Strong written and verbal communication skills at all organizational levels.
• Proficiency with Microsoft Office applications (Word, Excel, Outlook).
• Excellent organizational skills and meticulous attention to detail.
• Ability to work independently and prioritize tasks with minimal supervision.
• Dependable, proactive, and customer-service oriented.

Responsibilities

• Provide daily administrative support to the Director and Assistant Director, ensuring their needs are met in a timely and accurate manner.
• Handle general clerical tasks including filing, scanning, copying, and organizing documents to maintain an orderly office.
• Maintain and organize electronic and physical files for easy access and up-to-date information.
• Prepare, format, and organize letters, reports, and other office materials as needed.
• Assist with office organization and projects to improve efficiency and professionalism.
• Communicate professionally with employees, leadership, vendors, and contacts via phone, email, and in person.
• Support continuity of operations while leadership visits job sites and take on billing-related tasks as needed.
• Assist with invoicing and billing information gathering to support accurate recordkeeping.
• Collaborate with other administrative staff and participate in special projects as required.

Skills

Admin experience

Communication skills

MS Office

Organizational skills

Independent worker

Customer service

Onsite

Attention to detail

Tools

Microsoft Word

Excel

Outlook

Job description

Job Title: Administrative Assistant Job Description This Administrative Assistant role supports a growing general contracting and construction office by providing comprehensive day-to-day administrative and clerical support.

You will serve as the primary administrative resource for the location, ensuring that the office runs smoothly while leadership frequently travels to job sites.

This position offers a long-term opportunity for someone who enjoys taking ownership of office operations, working independently, and building strong relationships with employees, leadership, vendors, and other contacts.

Responsibilities

• Provide daily administrative support to the Director and Assistant Director, ensuring their administrative needs are met in a timely and accurate manner.
• Handle general clerical responsibilities, including filing, scanning, copying, and organizing documents to maintain an orderly office environment.
• Maintain and organize both electronic and physical files so information is easy to access and up to date.
• Prepare, format, and organize documents and correspondence as needed, including letters, reports, and other office materials.
• Assist with general office organization and administrative projects, helping to improve efficiency and maintain a professional workspace.
• Communicate professionally with employees, leadership, vendors, and other contacts via phone, email, and in person.
• Help keep administrative tasks moving forward while leadership is out visiting job sites, ensuring continuity of operations.
• Assist with invoicing and billing responsibilities as needed, supporting the timely processing of financial documents.
• Gather, verify, and organize information related to invoices and billing to support accurate recordkeeping.
• Work collaboratively with other administrative professionals in the office, sharing information and supporting team goals.
• Provide additional administrative support and take on special projects as needed, demonstrating flexibility and initiative.

Essential Skills

• 4+ years of administrative, clerical, or office support experience.
• Strong written and verbal communication skills, with the ability to interact professionally at all levels of the organization.
• Proficiency with Microsoft Office, including Word, Excel, and Outlook.
• Strong organizational skills and a high level of attention to detail.
• Ability to work independently, prioritize tasks, and manage day-to-day responsibilities without close supervision.
• Dependable, proactive approach with a willingness to take ownership of responsibilities.
• Warm, outgoing, and approachable personality, with a focus on customer service and internal support.
• Comfortable working in a fully onsite environment.
• Hands-on experience with administrative support, customer service, clerical work, scanning, and filing.

Additional Skills & Qualifications

• Previous invoicing or billing experience is a plus but not required.
• Experience in the construction industry is a plus but not required.
• Advanced use of Microsoft Excel is beneficial for organizing data and supporting billing or reporting tasks.
• Experience using Microsoft Outlook for email, calendar management, and scheduling is highly valued.

Work Environment

This role is fully onsite in a general contracting and construction office, operating Monday through Friday from 9:00 AM to 5:00 PM. You will work closely with leadership who are frequently in and out of the office visiting job sites, so you will often serve as the primary in-office administrative point of contact. The environment is collaborative and professional, with a focus on reliability, organization, and clear communication. You will use standard office technology and software, including Microsoft Office, Excel, and Outlook, as well as office equipment such as scanners, copiers, and filing systems. The position is structured as a 6-month contract-to-hire opportunity, offering a path to long-term employment for strong performers who value stability and being an integral part of a growing team.

Job Type & Location

This is a Contract to Hire position based out of Wilmington, MA.

Pay and Benefits

The pay range for this position is $20.00 - $24.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Wilmington,MA.

Application Deadline

This position is anticipated to close on Oct 16, 2026.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [e-mail] for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.