AP/AR & HR Assistant

Position: AP/AR & HR Assistant

Location: Tioga, ND (with weekly travel to Watford City, ND - when needed)

Employment Type: Full-Time (Minimum 35 hours/week)

About the Role:

Are you a proactive and detail-oriented professional eager to make a significant impact in a dynamic environment? We are seeking an AP/AR & HR Assistant to become an integral part of our team in Tioga, ND. This role offers a unique opportunity to engage in a diverse array of responsibilities spanning Accounts Payable (AP), Accounts Receivable (AR), Payroll, and Human Resources (HR) functions. Unlike typical positions that confine you to a single facet of operations, this role provides exposure to multiple departments, fostering comprehensive professional growth.

In this position, you'll be at the heart of our operations, ensuring seamless financial transactions and supporting our most valuable asset—our employees. Your role will encompass managing a high volume of invoicing with precision, assisting in payroll preparation, and facilitating HR processes such as onboarding and employee relations. The dynamic nature of our industry means no two days are the same, offering continuous opportunities to learn and adapt.

What sets us apart from competitors is our commitment to cross-functional collaboration and professional development. We believe in empowering our employees by providing them with a broad skill set and the autonomy to take ownership of their work. If you're looking for a role that challenges you, supports your growth, and values your contributions, we invite you to join our team and embark on a rewarding career journey.

Key Responsibilities

Finance & Accounting Duties

• Process and manage accounts payable and accounts receivable entries
• Handle a high volume of invoicing and AP entries with accuracy and attention to detail
• Assist with payroll preparation
• Create new projects and enter related expenses into accounting systems
• Ensure employee reimbursements are properly entered, approved, and received on time
• Maintain accurate and confidential financial records
• Perform AP/AR and payroll tasks accurately and on time in a fast-paced, deadline-driven environment

Human Resources Support

• Support HR with onboarding, personnel recordkeeping, and basic HR administrative functions
• Serve as a point of contact for employee inquiries and day-to-day support
• Serve as a resource to the Operations Manager and Senior Project Managers, assisting with routine employee matters and helping to facilitate smooth daily operations
• Maintain confidential employee files and assist with updates or changes as needed

Office Administration

• Order office supplies and maintain an organized inventory of regularly used items
• Maintain communication
• Provide general administrative support as needed

Requirements

• 18 years or older
• Clean driving record and reliable transportation
• Proven experience with AP, AR, and payroll
• Prior experience in HR or administrative support, preferably in an employee-facing role
• Strong written and verbal communication skills
• Excellent organizational skills and attention to detail
• Proficient in Microsoft Office (Excel, Outlook, Word)
• Ability to work independently and manage multiple priorities
• Must be able to work a minimum of 35 hours per week
• Travel weekly to the Watford City office (mileage reimbursed), when needed

Preferred Qualifications

• Experience with accounting or payroll systems such as ADP, VantagePoint, or similar platforms
• Familiarity with North Dakota employment regulations and general HR compliance
• Understanding of Work-in-Progress (WIP) accounting and service-based billing (as opposed to product-based billing)

Benefits Overview

• Competitive salary based on experience and qualifications
• Health, dental, and vision insurance
• 401(k) plan with company match
• Paid time off (PTO) and company holidays
• Professional development support including licensing assistance, training, continuing education, HAZWOPER training, and safety training.
• Employee Assistance Program (EAP)
• Flexible work environment focused on safety, respect, and technical excellence

Salary

• Hourly pay: $20–$25, based on experience

Other

• Earth Systems is an equal opportunity employer.
• All qualified applicants will receive consideration regardless of race, color, religion, sex, national origin, disability, or protected veteran status.
• Candidates must be authorized to work in the U.S. without current or future visa sponsorship