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Administrative Assistant-Rancho Cucamonga, CA

Shared Services Group Inc
Rancho Cucamonga, CA Full Time
POSTED ON 7/22/2026
AVAILABLE BEFORE 9/21/2026

COMPANY OVERVIEW:

Certerra is a growing national provider of testing, inspection, and certification services that support innovation in new product development, quality assurance, for project delivery, and engineered solutions for asset management. We are passionate about contributing to the sustainable development of the communities we serve. We are a national firm with a global reach serving national and international clients from 30 offices located in 10 states and are ranked on ENR’s Top 500 list alongside the nation’s top firms. With a 60-year history, Certerra has a passion for high-end services, constant innovation, and investment in the development of world-class laboratory facilities, and interactive management technologies. Each member of our staff is committed to service, innovation, and the success of our clients.

Certerra is a consulting firm with over 65 years of quality service that offers professional services in the southwestern United States in the fields of geotechnical engineering, environmental engineering, construction materials engineering and testing, nondestructive testing, and welding inspection.

Job Summary: 

RMA Group is seeking an Administrative Assistant to support the Southern California Region. The ideal candidate will be highly organized, detail oriented, able to operate in a fast-paced office, and aligns with RMA Group's core values and mission. 

Duties: 

  • Responsibilities Include: 
  • Managing daily reports; 
  • Time Sheets; 
  • Accounts Payable; 
  • Data Entry; 
  • Reporting; 
  • Filing;

Education/Qualifications/Position Skills: 

  • Highschool diploma or equivalent 
  • Experience with Microsoft Suite, Adobe; 
  • Highly organized; 
  • Detail oriented; 
  • Ability to follow instructions and see a task through to completion; 
  • Unafraid to ask questions in order to understand the process; 
  • Team oriented.


We are an Equal Opportunity Employer. This Company is dedicated to both the letter and the spirit of the equal opportunity employment laws. All applicants and all employees will be evaluated based on their ability, competence, and performance of the essential functions of their positions. There will be no discrimination based on race, sex, national origin, religion, age 40 and over, disability, sexual orientation, marital status, or any other classification which may be protected by federal, state, or local laws. In compliance with the Americans with Disabilities Act, we specifically offer equal opportunity for all employees or job applicants who may have a physical or mental disability. Such persons will be hired based on their ability to perform the essential functions of the job in question. Likewise, their work will be evaluated on their performance of these essential functions. We will offer reasonable accommodation to individuals with disabilities, to the extent that Company resources allow without undue hardship. As part of our equal employment policy, there will be no wage differentials based on gender, between men and women employed in the same establishment, on jobs that require equal skill, effort, and responsibility, and which are performed under similar working conditions.                                                                                                                                              

Salary : $23 - $27

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