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Accounting Assistant

Job in Denver, Denver County, Colorado, 80285, USA
Listing for: ZAP Engineering & Construction Services, Inc.
Full Time position
Listed on 2026-06-22
Job specializations:
  • Accounting
    Bookkeeper/ Accounting Clerk, Accounting Assistant, Office Administrator/ Coordinator, Accounts Receivable/ Collections
  • Administrative/Clerical
    Bookkeeper/ Accounting Clerk, Office Administrator/ Coordinator
Salary/Wage Range or Industry Benchmark: 60000 USD Yearly USD 60000.00 YEAR
Job Description & How to Apply Below

A Little

About Us:

ZAP is a full-service engineering, design, and construction management firm servicing the oil & gas, heavy industrial, mining, and manufacturing sectors. From our Lakewood, Colorado office, we execute projects across North America, spanning from California to Florida and Canada down to Mexico. Our projects range in size from simple engineering studies or maintenance repairs to full-scale design of extensive facilities. ZAP operates at a fast pace while providing a team-centric approach to our work.

Title

Accounting Assistant

Department

Operations

Reports To

Accounting Supervisor

Flsa

Non-Exempt

Work Schedule

Mon – Fri, 8:00 a.m. – 5:00 p.m.

Travel Required

0%

Location

Lakewood, CO

Management

No

Eeo

Administrative Support Workers

Job Family

Administrative Support Workers

About Your Role

The Accounting Assistant is a hands‑on, full‑time position with day‑to‑day duties responsible for completing the accounting and administrative tasks required of an engineering consulting firm.

Essential Duties And Major Responsibilities
  • Processes overhead transactions and in‑house expenses, as well as prepares monthly company credit cards.
  • Fields and communicates to management employee issues with the accounting system.
  • Enters transactional data into the accounting system.
  • Acquires proper vendor documents, resolves invoice discrepancies and manages billing for multiple projects.
  • Works with the project managers to obtain vendor invoice approval and process invoices for payment through three‑way matching procedures.
  • Ensures proper project setup and proper client billing.
  • Delivers client invoice aging statements.
  • Ensures proper billing occurs per various client requirements.
  • Prepares proper backup for each client invoice for the project managers to review.
  • Files and matches payment remittances with client invoices.
  • Assist with other duties as assigned.
Work Hours

Company

Hours:

8:00 AM to 5:00 PM. Hours may vary and are dependent on business needs. 40‑hour work week:
Monday through Friday; hours may vary with workload. Evenings/Weekends/OT: as needed to satisfy the requirements of the position.

Benefits
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k)
  • Accrued PTO
  • Short‑Term and Long‑Term Disability
  • Basic Life / AD&D
  • Voluntary Life / AD&D
  • Employee Assistance Program (EAP)
  • Aflac
Qualifications Education
  • High School Diploma or GED and an associate degree with designation in Business, Accounting, Bookkeeping, Finance, or a similar field is required.
  • Bachelor’s degree is preferred.
  • Entry‑level position, but ERP experience preferred.
Type Of Experience Needed To Be Successful
  • Excellent written and verbal communication skills.
  • Ability to resolve simple problems quickly and effectively without significant assistance.
  • Capacity to self‑direct work tasks, and meet deliverables and timelines.
  • General experience leading work groups or task forces for specific projects.
  • Proficiency with Microsoft Office Suite, including Word, Outlook, and Excel.
Supervisory Expectations
  • The position does not have any regular responsibility for overseeing or supervising the work of other team members.
Independence of Action
  • Supervisor monitors work progress; incumbent follows precedents and procedures and may set priorities and organizes work within general guidelines established by supervisor.
Physical Demands and Work Environment
  • The work environment is the typical office environment. The employee must complete their work satisfactorily in an environment where there are significant distractions, including staff, clients, and vendors walking through and conversing, telephones ringing, conversations carrying over, loud noises, and interruptions to answer questions from others.
  • The physical demands described here represent those that an employee must meet to perform the essential functions of this job successfully. In many cases, reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to sit and use hands to finger, handle, or feel objects, tools, or controls.

    The employee frequently is required to talk or hear. The employee is occasionally required…
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