Demo

Administrative Assistant - Laboratories

Montrose Environmental Group
Richmond, VA Full Time
POSTED ON 6/16/2026
AVAILABLE BEFORE 7/15/2026
About Us

At Onterris, we build careers grounded in purpose,responsibilityand real-world impact.

"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

ADay in theLife

As an Administrative Assistant in our Richmond, VA lab,you'll provide administrative support to the entire lab. This Admin interacts with a diverse group of important clients, visitors, as well as internal stakeholders at all levels of the organization. This position is responsible for operating independently in a fast-paced environment while working with all levels of employees/management within the Company and outside of the Company and managing multiple responsibilities.


The compensation range for this role is $23.00 to $26.00 per hour,commensuratewith experience, skills, and geographic location.


Schedule: Monday - Friday

To thrive in this role,you'llbe comfortable taking ownership of the following responsibilities:


The Administrative Assistant provides administrative support to the entire lab. This Admin interacts with a diverse group of important clients, visitors, as well as internal stakeholders at all levels of the organization. This position is responsible for operating independently in a fast-paced environment while working with all levels of employees/management within the Company and outside of the Company and managing multiple responsibilities.


As a key member of the Wilmington lab, this role will be responsible for a full range of activities including:

  • Review requests for payment to ensure all required supporting documentation is provided; communicate with vendors and others to resolve problems and gather missing documentation so items can be approved and processed for payment on a timely basis
  • Respond to inquiries from vendors, personnel, and others regarding pending or paid items
  • Maintain organized files and provide material as needed for annual audit support
  • Recommends actions to resolve discrepancies
  • Assist in setting up new vendor accounts
  • Draft invoices for review and submit finalized invoices to customer. Maintain records for Project Manager's reference
  • Assist with purchasing supplies, creating POs, and tracking items received
  • Assist with maintaining expense budgets
  • Submit invoices and ensuring timely payments tovendors; prepare items for coding and approval
  • Utilize client/3rd Party hosted purchasing platforms (i.e., Coupa, Arriba, Lab Spend)
  • Comply with Onterris Quality Assurance Program and other policies
  • Comply with Onterris Health and Safety Plan
  • Take key role in company provided functions for clients and staff
  • Other duties as assigned

YourExpertise andSkills

These requirements reflect the knowledge,skillsand abilities that help you do your best work here.

  • High school diploma or general education degree (GED) required, associate's preferred
  • Minimum of 2 years administrative and/or office related experience preferred
  • Must be able to operate standard office equipment (i.e. copier, scanner, phone system)
  • Proficient with MS Office Products: Word, Excel, Google, and Outlook. Knowledge of MS Publisher, PowerPoint, PDF Software Package a plus
  • Must be detail oriented, resourceful, creative and flexible
  • Possess effective communication skills
  • Ability to adapt to changing needs while responding quickly and positively

WorkEnvironment andPhysicalRequirements

The physical and environmental requirements below reflectwhat'stypically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodation to qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.

  • Sitting, standing, and walking
  • Lifting50 pounds several times a day
  • Overhead lifting of over 20 pounds
  • Works in an office environment
  • May be exposed to hot and cold environments
  • May occasionally work shifts up to 12 hours in duration

We are an Equal Opportunity Employer. We are committed to providing access and reasonableaccommodation in its employment for individuals with disabilities. Clickhereto learn more.#LI-SG1



Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.

Salary : $23 - $26

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