Office Administrator- AR/AP Support

Office Administrator – AR/AP Support

We are seeking a detail‑oriented Office Administrator to handle daily office operations while providing support to the Accounting team with Accounts Receivable (AR) and Accounts Payable (AP) tasks. The ideal candidate is organized, professional, and comfortable working in a fast‑paced environment. Construction Industry expereinced is preferred.

Responsibilities

Office Administration

• Serve as the primary point of contact for incoming calls, emails, and visitors
• Maintain office supplies, equipment, and vendor relationships
• Coordinate scheduling, meetings, and calendars
• Assist with filing, document management, and general administrative duties
• Prepare reports, letters, and internal communications
• Support HR tasks such as onboarding paperwork and employee file organization (as needed)

Accounts Receivable (AR)

• Assist with generating and sending customer invoices
• Track outstanding payments and follow up on overdue accounts
• Record customer payments and update accounting systems
• Maintain accurate AR files and documentation

Accounts Payable (AP)

• Process vendor invoices and verify accuracy
• Match invoices with purchase orders and receipts
• Assist with weekly check runs and payment posting
• Maintain accurate AP records and resolve invoice discrepancies

Qualifications

• 1–3 years of administrative experience, preferably in an office setting
• Basic understanding of AR/AP processes
• Strong proficiency with Microsoft Office (Excel, Outlook, Word)
• Experience with accounting software (QuickBooks, Sage, NetSuite, or similar) is a plus
• Excellent communication and interpersonal skills
• High attention to detail and strong organizational abilities
• Ability to multitask, prioritize, and meet deadlines
• Reliable, professional, and self‑motivated

Schedule

Full‑time, on‑site (Monday–Friday).

Pay

Competitive based on experience.

Location

[Insert location]

This is a Contract to Hire position based out of Mesa, AZ.

The pay range for this position is $22.00 - $25.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Mesa,AZ.

This position is anticipated to close on Mar 6, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.