Administrative Assistant

ECS Group of Companies; Oklahoma City (OK); On-site; USD 28,000 - 38,000; Full time

Job summary

ECS Group of Companies in Oklahoma City is seeking an administrative assistant to process documents and manage supporting tasks in a timely manner.

Responsibilities include word processing, data entry, filing, and assisting with phones and mail. This role provides backup to other staff and may perform other clerical duties as required. High school diploma or GED and 0-2 years related experience are expected.

Opportunity to contribute to a busy office and grow in a team-focused environment.

Qualifications

• High school diploma or GED is required.
• 0-2 years related experience preferred.
• Strong organizational skills and reliability are essential.

Responsibilities

• Document processing and transmission in a timely manner
• Word processing and data entry
• Registering projects and proposals
• Creating folders
• Filing, assembling and binding reports
• Formatting and scanning documents
• Assisting with answering phones and office mail delivery
• Providing backup to other administrative personnel during absences, lunch breaks, training, etc.
• You may also perform other clerical tasks as required

Skills

Document processing

Data entry

Word processing

Filing and organizing

Phone support

Transmittal/document delivery

Education

High school diploma or GED

Job description

• Document processing and transmission in a timely manner
• Word processing and data entry
• Registering projects and proposals
• Creating folders
• Filing, assembling and binding reports
• Formatting and scanning documents
• Assisting with answering phones and office mail delivery
• Providing backup to other administrative personnel during absences, lunch breaks, training, etc.
• You may also perform other clerical tasks as required
• High school diploma or GED
• 0-2 years related experience

• Document processing and transmission in a timely manner
• Word processing and data entry
• Registering projects and proposals
• Creating folders
• Filing, assembling and binding reports
• Formatting and scanning documents
• Transmitting documents
• Assisting with answering phones and office mail delivery
• Providing backup to other administrative personnel during absences, lunch breaks, training, etc.
• You may also perform other clerical tasks as required
• High school diploma or GED
• 0-2 years related experience

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer. To learn more, click here.