Subsidiary Administrative Manager

Responsibilities

• Manage all administrative functions of the Subsidiary include maintaining accounting, human resources and other duties as assigned
• Manage HR and Accounting for Subsidiary Employees:
• Process payroll, accounts payable, accounts receivable
• Process new hire, termination, and employment verification paperwork
• Track immigration status
• Process benefits (including new enrollments, open enrollment and update as required)
• Assist with warning reports and disciplinary actions
• Assist employees with processing leave of absence and short-term disability claims
• Process and track worker’s compensation claims and maintain OSHA records
• Assist with other HR issues as needed
• Maintain and update certificates of insurance
• Responsible for ordering and support for computers, phones, and other devices
• Support administrative management of the office
• Track and update professional licenses

• Support Subsidiary Executives and Management Group with special projects, reports, meetings, and training
• Manage administrative duties of offices without HR and accounting support
• Manage administrative duties of offices while Admin is on PTO or other leave
• Train and support subsidiary office administrators
• Develop subsidiary training program for HR and accounting personnel with assistance from Corporate Services
• Establish procedures and protocols for regional and office Profit and Loss
• Attend and participate with monthly management group meetings
• Travel to subsidiary offices to provide support and training

• BS in Human Resources or similar field preferred
• 8-10 years of related experience

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 facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record’s Top 500 Design Firms (April 2025), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025).

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ECS is an Equal Opportunity Employer. To learn more, visit