Administrative Assistant Triumvirate Environmental vision insurance, tuition reimbursement, 401(k) United States, Arizona, Casa Grande 73 South Commerce Drive (Show on map) Sep 01, 2026 Administrative Assistant Triumvirate Environmental, one of the largest environmental services firms in North America, is seeking an Administrative Assistantfor our growing Casa Grande, AZ facility. The chosen candidate will be highly detail-oriented; exhibit strong organizational skills; be highly productive; be able to juggle multiple tasks; and be a team player. Triumvirate Environmental provides leading organizations in the higher education, life sciences, healthcare, and advanced manufacturing sectors with diverse services and expertise to assist them with compliance management. At Triumvirate Environmental, we strive to WOW both our employees and our customers. Our unique culture fosters growth, development, education, and creativity. This position reports to the Plant Manager.

Essential responsibilities:

Create, maintain, and update office administration processes and procedures.

Ensure the neatness and orderliness of the office kitchen, mailroom, training room, and conference rooms.

Accurately enter data from our hazardous waste manifests into our centralized database system.

Provide outstanding customer service to our clients.

Manage our corporate office shipping program.

Properly order, receive, distribute, and stock company supplies.

Order branded documents including business cards, letterhead, and envelopes.

Professionally respond to office management inbox inquiries and requests in a timely manner.

Assist with receptionist duties, including answering phones, attendance management, and sorting through mail and faxes for vacation coverage.

Ad hoc projects as they arise.

Basic Requirements:

• Bachelor's degree preferred.
• 1+ years office administration experience.
• Proficiency in Word, Excel, and Outlook.
• High level of comfort with learning new systems and subjects.
• Good listening skills with the ability to interact effectively with all levels of personnel and a variety of personalities.
• Strong organization skills with attention to detail.
• Must be eligible to work in the United States without future visa sponsorship.

Must have a reliable form of transportation for onsite workdays. #LI-Onsite #LI-CD1 Besides Health, Dental and Vision Insurance, we contribute to a 401k, offer a generous tuition reimbursement program, TONS of safety training for some positions with opportunities for external trainings and certifications, Mentorship & Career Succession Planning, Relocation Opportunities, Auto/Home insurance discounts, pet assistance discount plans, discounted movie passes & more! To learn more about our business, culture, and the exciting work that we are doing in the industry, find us on LinkedIn, Instagram (@triumvirateenvironmental), or our website! Triumvirate Environmental is committed to a diverse and inclusive workplace. As an Equal Opportunity Employer (EOE), Triumvirate does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Individuals with Disabilities and Protected Veterans are encouraged to apply. If you have a disability and need accommodation during the application and hiring process, please contact us at https://www.triumvirate.com/contact or call us at 888-834-9697. The requirements listed above are representative of the knowledge, skill, and/or ability required. To view our California Privacy Notice and Policy, click here.