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Administrative Assistant

Shared Services Group Inc
Aiea, HI Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 3/12/2026

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.

Job Summary: 

We are seeking a detail-oriented and proactive Administrative Assistant to join our dynamic team at Certerra NW, a leader in the geotechnical engineering industry. In this role, you will provide essential support to our engineering staff and contribute to the smooth operation of our office. 

Key Responsibilities: 

  • Manage daily administrative tasks, including scheduling meetings, maintaining calendars, and coordinating travel arrangements. 
  • Handle timesheet management, ensuring accurate tracking of employee hours and project assignments. 
  • Support billing and invoicing processes, including preparing and sending invoices, tracking payments, and resolving discrepancies. 
  • Serve as the first point of contact for clients and vendors, ensuring professional communication and support. 
  • Maintain filing systems and databases, ensuring accurate record-keeping and easy retrieval of information. 
  • Support team members with various tasks and special projects as needed. 

Qualifications: 

  • Proven experience as an administrative assistant or in a similar role, preferably in the engineering or technical field. 
  • Proficient in Microsoft Office Suite (Word, Excel, PowerPoint) and other relevant software. 
  • Strong organizational skills and attention to detail. 
  • Excellent communication and interpersonal abilities. 
  • Ability to prioritize tasks and work independently in a fast-paced environment

 

 

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 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 people 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 : $24 - $25

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