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Administrative Assistant

Columbia Laboratories
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Portland, OR, USA
Jun 26, 2026
Full-Time

Be the first point of contact for clients and help us provide exceptional service at Columbia Laboratories, a Tentamus North America company, in Portland, Oregon! We are seeking an organized and people-oriented Administrative Assistant who can manage client interactions with professionalism, support laboratory operations, and contribute to the smooth running of our Administration Department.

If you excel in keeping operations running smoothly, managing administrative tasks with precision, delivering excellent customer service, have an interest in science and are ready to advance your administrative career, apply today!

Key Responsibilities as the Administrative Assistant

The Administrative Assistant will carry out a variety of administrative tasks to support laboratory operations under the direction of the Client Services Manager.

Duties include, but are not limited to:

  • Guiding clients through sample submission and bottle request forms with a professional demeanor.
  • Handling shipments of samples and supplies.
  • Logging projects in the Laboratory Information Management System (LIMS) and state/federal databases.
  • Managing a multi-line IP phone system and performing data entry with accuracy.
  • Filing and scanning documents, monitoring storage units, and maintaining a clean work area.
  • Troubleshooting issues, meeting deadlines, and upholding high-quality data standards.
  • Other duties as assigned.

Qualifications

Our ideal candidate will be authorized to work in the United States indefinitely without restriction or sponsorship; possess a combination of strong communication, organization, and computer skills; attention to detail, desire to learn, and a strong work ethic. Other qualifications include:

  • High School Diploma or GED Required
  • Must be 21 years or older due to regulatory requirements.
  • Minimum 6 – 12 months' experience in an office or lab setting preferred. Background in chemistry or environmental project management is a plus.
  • Spanish fluency is a plus.
  • Experience with Chain of Custody, invoicing, and using a multi-line phone system.
  • Experience with LIMS, Word, Excel, and Outlook is a plus.
  • Possess excellent organizational and multi-tasking skills; Excellent communication skills, attention to detail, ability to lift 20 – 30 pounds, and work both independently and within a team.
  • Self-motivated, adaptable, with a positive attitude with the flexibility to perform duties in other areas if needed.

What's in it for you?

Hourly pay ranges from $18 to $21 and is based on your experience, skills, and qualifications-whether you're just starting out or bringing years of expertise to the role. In addition, we provide a comprehensive and low-cost benefits package, including medical, dental, vision, disability, and life insurance. Employees also enjoy access to our Employee Assistance Program, ample paid time off (PTO), and a matching 401(k) plan

Position & Schedule

This is a Full-Time, 40 hours position, Monday-Friday 8:30AM - 5:00PM, onsite at Columbia Laboratories in Portland, Oregon.

About Tentamus:

Labs for Life®. We are a global network of full-service accredited analytical laboratories providing crucial quality and safety analysis for clients locally, nationally, and beyond using proven methods of chemistry and microbiology. Many of the products you use and consume daily rely on Tentamus labs. With 20 labs in North America and growing (100 globally), we celebrate having talented diverse scientific and service-oriented professionals.

Visit us at Tentamus.com

Explore Columbia Laboratories

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Must have or be able to obtain OLCC cannabis workers permit upon hire

About Columbia Laboratories
Local Roots, Global Branches: Full Service Testing Laboratory since 1996 Lab Analysis Quality and contaminants testing for a wide range of consumer products. Nutrition Pesticide & Residues Microbiology Water Quality Metals & Minerals Industries From seed to sale, we provide vital data for varies consumer supply chains. Environmental Food & Beverage Hemp & Cannabis Pet Food Kratom Client Resources Download current forms, set up/manage your account. Client Portal Sample Submissions Schedule Courier Nutrition Pesticide & Residues Microbiology Water Quality Metals & Minerals Read more Environmental Food & Beverage Hemp & Cannabis Pet Food Kratom Read more Client Portal Sample Submissions Schedule Courier Read more Columbia Laboratories – A Tentamus Company We provide comprehensive in-house services, legally defensible data, and exemplary customer care for each industry we serve. Since 1996, Columbia Laboratories has been a leader for method development and accreditation, continuously improving our processes to enhance your quality program, protect your brand and open market doors. As a member of Tentamus, Columbia Laboratories has a global network of sister laboratories to assist in achieving all your analytical goals. EnvironmentalProtecting our community with accredited Storm, Waste and Drinking Water testing Learn more Food & BeverageFrom ingredient verification to FDA Nutritional Labels, we have you covered. Learn more Oregon Cannabis (OLCC) Compliance testing for OLCC-regulated cannabinoids and Oregon Marijuana Market. Learn more Hemp Products & CannabinoidsTest into any market and protect your brand with our comprehensive profiles and legally-defensible results. Learn more Pet Food & FeedSafety and Labeling testing for pet ingredients, pet food and pet treats. Learn more Kratom Expert analysis for alkaloids and safety profiles to achieve safety and compliance. Learn more Events We organize regular events at various locations. We are also represented at numerous trade shows. Stop by and have a chat with our experts. News – stay up-to-date News – stay up-to-date We would like to keep you informed! In our news section, we provide you with current trends, industry updates and news from our Tentamus laboratories. See all News setTimeout(function(){ var wsPostTeaserArchiveUrl = document.querySelector('.layout-post-teaser__link a').href; var wsPostTeaser = document.querySelector('.layout-post-teaser__posts'); var wsPostRequest = new XMLHttpRequest(); wsPostRequest.open('GET', wsPostTeaser.dataset.json, true); wsPostRequest.onload = wsPostTeaserFill; wsPostRequest.send(); function wsPostTeaserFill(e) { var response = JSON.parse(e.target.response); var posts = response.posts; var wsPostTeaser = document.querySelector('.layout-post-teaser__posts'); var a; var img; for (var i = 0; i < 6 ; i++) { a = wsPostTeaser.children.item(i).querySelectorAll('a')[0]; a.href = wsPostTeaserArchiveUrl + posts[i].slug + '/'; wsPostTeaser.children.item(i).querySelectorAll('.news-thumb__title')[0].innerHTML = posts[i].title; wsPostTeaser.children.item(i).querySelectorAll('.news-thumb__text')[0].innerHTML = posts[i].excerpt; wsPostTeaser.children.item(i).querySelectorAll('.news-thumb__date')[0].innerHTML = posts[i].dates[wsPostTeaser.dataset.locale]; img = document.createElement("IMG"); img.loading = 'lazy'; if (typeof posts[i].fields.image !== 'undefined') { img.src = posts[i].fields.image.sizes.medium_large; } else if (typeof posts[i].image !== 'undefined') { img.src = posts[i].image; } a.insertBefore(img, a.firstChild); } } }, 5000);
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