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Field Office Assistant

The Client


Job Location:

Marshalltown, IA - USA

Hourly Salary: USD 21 - 25
Posted: 9 October 2026 (18 hours ago)
Application Deadline: 6 January 2027
Vacancies: 1 Vacancy

Job Summary

Field Office Assistant

Location: Marshalltown IA

Onsite Flexibility: Onsite

Contract Details
  • Position Type: Contract
  • Contract Duration: 12 months
  • Pay Rate: $21.00$25.00 / Hour (USD)
  • Shift / Schedule: 8:00 AM start time each day 40 hours per week
  • Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.
Job Summary

The Field Office Assistant provides administrative support by performing routine clerical and administrative work. Typical duties include answering and directing incoming calls receiving the public providing customer assistance maintaining supplies and equipment and handling mail. The role also provides general administrative support for a field office.

Key Responsibilities
  • Organize and maintain files filing system and communications.
  • Provide data entry for projects.
  • Answer phones and direct calls.
  • Sort incoming mail.
  • Type memos correspondence reports and other documents as requested.
  • Prepare outgoing mailings and labels including e-mail and fax.
  • Reserve conference rooms and coordinate client vendor and/or supplier presentations meetings and interviews including set-up and cleanup.
  • Assist with scheduling and set-up of client interviews presentations and other meetings as requested.
  • Order and maintain supplies.
  • Update the office calendar.
  • Perform other duties as assigned.
  • Comply with all policies and standards.
Required Skills
  • Proficient in Microsoft Word Excel Access and PowerPoint required.
Education Requirements
  • High School Diploma/GED required.
Required Experience
  • 1 year of applicable office/clerical experience preferred.
Benefits
  • Medical Vision and Dental Insurance Plans
  • 401k Retirement Fund
About the Client

This client is a 100% employee-owned firm in the infrastructure engineering sector spanning energy aviation water telecommunications transportation and healthcare operating from more than 75 offices across the country and internationally and generating over $7.4 billion in annual revenue. With more than 14500 employee-owners every full-time staff member participates in an Employee Stock Ownership Plan (ESOP) creating a culture of accountability and shared investment in outcomes that has earned the firm a 4.2-star Glassdoor rating across more than 1800 reviews with 87% of employees recommending it as a workplace. Teams include civil and structural engineers architects environmental scientists construction managers program management professionals and administrative support staff who collaborate on complex consequential projects from major airport expansions to large-scale energy infrastructure.

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation a Native American-owned company in Alaska. We highly value diverse and inclusive workplaces and support Fortune 500 organizations across banking financial services technology life sciences biotech utilities and retail sectors throughout the U.S. and Canada.

Job Number: 26-15763

Industry: Administrative & Support

#gttjobs


Required Experience:

Junior IC