What You'll Do:
The Office Administrator is responsible for overseeing administrative functions, HR, accounting, and operational support for their local office. This role ensures compliance with corporate policies and processes payroll, accounts payable/receivable, benefits, and employee records.
Responsibilities
- Performs accounting, human resources, and other administrative duties with supervision
- Processes payroll, accounts payable, accounts receivable, and invoicing
- Tracks and documents the petty cash/corporate credit card accounts by writing checks, requesting replenishments, and reconciling bank and internal accounting balances
- Processes new hires, job changes, pay rate changes, and terminations
- Completes various human resource-related forms, such as employment verification paperwork
- Tracks immigration status and updates I-9s as required
- Processes benefits (including new enrollments, open enrollment, and updates as required)
- Assists with warning reports
- Processes leaves of absence and short-term disability claims
- Assists with other HR issues as needed
- Maintains and updates certificates of insurance
- Enters vendor invoices into the accounting system accurately and timely
- Reconciles vendor statements and resolves discrepancies
- Generates and sends invoices to customers in accordance with contract terms
- Monitors outstanding invoices and ensures accurate records are maintained
- Follows up on past-due accounts via phone and email
- Works with customers to resolve billing issues
- Maintains accurate records of collection efforts and provides reports on aging receivables
- Oversees building and equipment maintenance
- Responsible for computer network support
- Supports receptionists and administrative management of the office
- Other duties as assigned
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What We're Looking For:
Required Qualifications
- 2 years of experience of HR and payroll experience with an HR degree or 4 years of HR and payroll experience without an HR degree
- High school diploma or GED required. Bachelor's degree (HR related) preferred
- If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
- Dependable, detail-oriented, and organized
- Ability to multi-task and meet deadlines
- Proficiency with computers and MS Office
- A team player with excellent oral and written communication skills
- Excellent communication skills to effectively collaborate across different departments
- Ability to work independently while maintaining alignment with corporate and subsidiary objectives
- Must be available during core working hours
- This is not a remote position
Military Qualifications
- The following US Military ranks will qualify for this position IF they also meet the education, certification, and licenses requirements from the above section titled "Required Qualifications":
Who We Are:
ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2026) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.
ECS is an Equal Opportunity Employer. To learn more, click here.