Office & HR Administrator - Payroll, Billing & Operations

Engineering Consulting Services; Fort Worth (TX); On-site; USD 38,000 - 54,000; Full time

Job summary

ECS Group of Companies (ECS) is seeking an Office Administrator for the Fort Worth local office to oversee administrative functions, HR, payroll, and accounting. You will ensure policy compliance and manage benefits, invoicing, and debtor records.

You will handle new hires, changes, terminations, I-9s, and HR forms while supporting reception and office management. This is an on-site role requiring core-hours availability.

Qualifications

• 2 years HR and payroll experience with an HR degree or 4 years HR and payroll experience without an HR degree.
• High school diploma or GED required. Bachelor's degree (HR related) preferred.
• Valid driver's license if driving for ECS subsidiary.
• 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 collaborate across departments.
• Ability to work independently while aligning with corporate objectives.
• Must be available during core working hours.
• This is not a remote position.
• US Military: E-4 rank may qualify if education/certifications are met.

Responsibilities

• Performs accounting, HR, and other administrative duties with supervision.
• Processes payroll, accounts payable, accounts receivable, and invoicing.
• Tracks and documents petty cash/corporate card accounts, reconciles balances.
• Processes new hires, changes, terminations, and pay rate changes.
• Completes HR forms, such as employment verification paperwork.
• Tracks immigration status and updates I-9s as required.
• Processes benefits, including enrollments and updates.
• Assists with warning reports.
• Processes leaves of absence and short-term disability claims.
• Assists with other HR issues as needed.
• Maintains certificates of insurance and vendor invoices in the system.
• Reconciles vendor statements and resolves discrepancies.
• Generates and invoices customers per contract terms; monitors aging receivables.
• Follows up on past-due accounts via phone and email; resolves billing issues.
• Oversees building and equipment maintenance; provides network support.
• Supports receptionists and administrative management of the office.

Skills

HR & payroll

Bachelor's degree

Driver's license

Detail-oriented

Multitask

MS Office

Communication

Independent work

Core hours availability

Education

High school diploma or GED

Bachelor's degree (HR related)

Tools

MS Office

Job description

ECS Group of Companies (ECS) is seeking an Office Administrator for the Fort Worth local office to oversee administrative functions, HR, payroll, and accounting. You will ensure policy compliance and manage benefits, invoicing, and debtor records.

You will handle new hires, changes, terminations, I-9s, and HR forms while supporting reception and office management. This is an on-site role requiring core-hours availability.