Administrative Assistant
Professional Service Industries
Ripon, WI · Posted October 16, 2026
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Pay compared with the market
This listing does not state pay. Across 323 open administrative assistant listings that state pay, the middle half runs $41,500 to $59,000 and the median is $47,500.
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How AI is used in this kind of work
Among secretaries and administrative assistants, except legal, medical, and executive, AI is already used for a large share of the tasks. Measured exposure for secretaries and administrative assistants, except legal, medical, and executive: 45% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Administrative Assistant
Professional Service Industries, Inc. (Intertek-PSI) is searching for an Administrative Assistant to join our Building & Construction team in our Ripon, WI office.
Professional Service Industries, Inc. (Intertek-PSI) is a leading US based provider of assurance, testing, inspection, and consulting solutions in civil and commercial construction. Our broad service offering includes construction materials testing, geotechnical engineering, environmental consulting, industrial hygiene, and specialty testing. Through these risk management and quality assurance services, we ensure the reliability, safety and performance of our client’s new developments, existing assets, and facilities.
How you’ll make an impact at Intertek:
Creates various documents, spreadsheets, etc. utilizing Microsoft Office software.
Performs various general office duties, including faxing, copying, mailing, filing, etc.
Assisting with end of month billing, proposals, projects, accruals Accounts Receivable, Collections,
May assist with developing, updating, and/or reviewing local operating procedures and/or work instructions
Understands and uses effective research methodologies to identify and qualify potential clients.
Monitors and maintains information on research made and possible leads and communicates to Operations Management
Coordinates with field operations and drilling crews
Prepares work orders for field operations
Monitors timesheets for hourly, field employees
General office administration
Typing reports, correspondence & data entry
Report generation
What it takes to be successful in this role:
High School Diploma or equivalent is required
2+ years' experience in an administrative position is required
Experience in Microsoft Word and Excel is required
Experience in Accounts Payable, Accounts Receivable and/or Billing is preferred
Excellent communication skills, both verbal and written
Excellent prioritization, organization, and time management skills
Must be detail oriented
Ability to work independently in a fast-paced, multi-tasking environment with shifting priorities
Ability to analyze and solve problems
Ability to type quickly and accurately
Ability to plan, organize, and complete a variety of projects within established standards, objectives, and time frames
Intertek: Total Quality. Assured.
Intertek is a world leader in the Quality Assurance market, with a proven, high-quality business model and a global network of customer-focused operations and highly engaged subject matter experts. With passion, pace, and precision we work to exceed our customers’ expectations, while engaging with our employees to be 10X in their performance and professional growth.
Intertek is a drug-free workplace. For certain safety-sensitive roles, a pre-employment drug screen will be required. Based on local law and legislation, marijuana may be included in that screening.
We Value Diversity
Intertek’s network of phenomenal people are our greatest assets, and the diversity they bring fuels our success. Intertek is an Equal Employment Opportunity Employer that values inclusion and diversity. We take affirmative action to ensure all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other legally protected characteristics.
For individuals with disabilities who would like to request accommodation, or who need assistance applying, please email intertekhrusa@intertek.com or call 1-877-694-8543 (option #5) to speak with a member of the HR Department.
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Intertek is a leading Total Quality Assurance provider to industries worldwide. Our network of more than 1,000 laboratories and offices in more than 100 countries, delivers innovative and bespoke Assurance, Testing, Inspection and Certification (ATIC) solutions for our customers' operations and supply chains. Working at Intertek means joining a global network of state-of-the-art facilities and passionate people who deliver superior customer service with a purpose of bringing quality, safety, and sustainability to life.