Accounting Administrator

Trileaf Corporation•Des Peres, MO

4h•Onsite

About The Position

Trileaf Corporation is a nationwide environmental, architecture, and engineering consulting firm that assists clients with environmental due diligence, regulatory compliance, and engineering and architectural design. From its headquarters in St. Louis, MO, and multiple branch offices throughout the U.S., Trileaf serves the wireless communications, commercial real estate, and financial industries. Trileaf is seeking an Accounting Administrator to assist with accounting and administrative tasks. This position is based in our St. Louis, Missouri office and will require on-site work.

Requirements

Proven experience as an Office Administrator, Administrative Assistant, or similar role
Experience with clerical tasks such as data entry, electronic filing, and recordkeeping
Basic understanding of accounting principles (Accounts Payable/Receivable, General Ledger)
Strong organizational skills and attention to detail
Ability to work independently and take initiative
Excellent written and verbal communication skills
Strong interpersonal and client service skills
Problem-solving and critical thinking abilities
Proficiency in Microsoft Office (Word, Excel, Outlook)

Nice To Haves

Experience with QuickBooks or similar accounting software preferred
Previous experience in administrative or office support roles
Exposure to entry-level accounting tasks
Associate degree or equivalent experience

Responsibilities

Create a welcoming and professional environment by greeting visitors and managing front office interactions
Oversee daily office operations to ensure a clean, organized, and collaborative workspace
Manage office supplies, equipment, and vendor services to maintain efficiency and availability
Answer and route incoming calls; take and relay messages as needed
Act as the primary liaison with building management and external vendors for maintenance and office needs
Coordinate occasional travel arrangements and meals for the management team
Assist with preparation of documents, reports, and presentations
Support accounting functions, including data entry, invoice tracking, and vendor communication
Maintain and update client information in accounting systems
Support employee engagement initiatives, including office events and team-building activities
Manage company announcements and employee onboarding communications
Assist with HR administrative tasks as assigned
Maintain shared spaces such as the breakroom
Take on additional responsibilities as needed, with opportunities for growth