Administrative Assistant

Company: Johnson, Mirmiran & Thompson, Inc.

Location: Charleston, South Carolina, United States

Salary: $20 – $26 an hour

Work arrangement: On-site

Employment type: Full-time

Experience: 0-2 years

Education: high school

Posted: 2026-10-22

Responsibilities

The Administrative Assistant provides operational support by managing office communications, scheduling, and documentation. They also assist with project deliverables, facility coordination, and administrative record-keeping.

Requirements

Candidates must have a high school diploma or equivalent and proficiency in Microsoft Office applications. Preferred qualifications include experience with Adobe Professional, SharePoint, and engineering-related software like Bluebeam or ProjectWise.

Skills

  • Microsoft Office
  • Word
  • Excel
  • PowerPoint
  • Administrative support
  • Data entry
  • Record keeping
  • Calendar management
  • Communication
  • Proofreading
  • Adobe Professional
  • Microsoft SharePoint
  • Revu Bluebeam
  • Bentley ProjectWise

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Disability insurance
  • Paid time off
  • Paid holidays
  • Paid caregiver leave program
  • 401k retirement plan
  • Employee stock ownership plan

About this role

JOB DESCRIPTION

Johnson, Mirmiran & Thompson is a dynamic, 100% employee-owned consulting firm with more than 2,800 professionals, providing a full range of multidisciplinary engineering, architecture, information technology, and related services to public agencies and private clients throughout the United States. JMT is currently ranked #45 on Engineering News-Record’s list of the Top 500 Design Firms.

Position summary: Provides administrative and operational support to ensure efficient office, business line, or regional operations. Immigration sponsorship or support (e.g. H1B, F-1 CPT/OPT/STEM OPT) is not available for this position, except for qualified candidates eligible for the TN visa classification.

Compensation for this position is $20.00-$26.00/hourly, commensurate with experience, education and certifications. The provided range is a good faith estimate based on the requirements described within the job description. We notice that we receive a wide variety of applicants and recognize that the person selected may be less experienced or more experienced. If so, the actual salary range may vary from the estimate provided.

Essential Functions and Responsibilities

* Answer, screen, and direct incoming calls, visitors, and inquiries
* Draft, edit, format, copy, and distribute correspondence, reports, and other documents
* Maintain electronic and physical filing systems, records, databases, and contact information
* Process incoming and outgoing mail, shipments, and deliveries
* Coordinate calendars, meetings, and events, including scheduling, room setup, catering, materials, and on-site support
* Order and maintain office supplies, equipment, and common areas to support efficient office operations
* Assist with operations planning, tracking, and reporting
* Assist with travel arrangements, expense reports, invoices, purchase orders, and other administrative records
* Support onboarding activities, employee programs, company events, and office/business line communications
* Coordinate facility-related requests and liaise with vendors, service providers, and building management
* Assist with engineering deliverables with regard to formatting, proofreading, production, and delivery
* Assist as needed with marketing deliverables with regard to production and delivery

Nonessential Functions and Responsibilities

* Perform other related duties as assigned

About Johnson, Mirmiran & Thompson, Inc.

Civil Engineering · 1,001-5,000 employees · headquartered in Serving Clients Across the US

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