Demo

Office Administrator

Shared Services Group Inc
Long Beach, CA Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 3/12/2026

COMPANY OVERVIEW:

CERTERRA (formerly RMA Companies) 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.


Job Summary:

The Office Administrator is responsible for ensuring the smooth and efficient operation of the office on a day-to-day basis. This role involves a variety of administrative and clerical tasks, including managing office supplies and account payables, handling correspondence, maintaining records, and supporting Business Manager and other staff members. The Office Administrator serves as a key point of contact within the organization and helps maintain a productive and organized work environment.

Duties:

  • Answer phone calls courteously 
  • Gathering and filing documents 
  • Manage office supplies, breakroom supplies, and other essential supplies.
  • Process and code vendor invoices, expense reports, and other financial documents.
  • Maintain accurate vendor records and correspondence.
  • Handle incoming and outgoing mails and packages.
  • Support office staff with various administrative tasks as needed.
  • Liaison with vendors and customers.
  • Provide financial documentation for budgetary details as needed. 
  • Assist Business Manager in account receivables. 

Education/Qualifications:

  • Excellent communication skills both verbal and written.
  • Excellent Technical writing skills.
  • College Degree or equivalent experience.
  • Strong computer skills.

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 on the basis of their ability, competence, and performance of the essential functions of their positions. There will be no discrimination on the basis of 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 on the basis of 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

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