Office Administrator

Office Administrator – Streamline Operations & Support Heavy Civil Construction Projects

You will serve as the operational backbone of our Valhalla office, keeping daily administrative workflows seamless and empowering our field teams to execute heavy civil construction projects efficiently. This role offers you hands-on involvement across accounts, payroll, and project compliance within a supportive culture where team members build decades-long careers. You will enjoy a collaborative environment where your organization directly impacts company success and your voice is always valued.

Manage daily front-office operations, incoming communications, and mail deliveries to maintain a professional administrative hub.

Process accounts payable and receivable, invoice documentation, and financial data entry with precision.

Coordinate field crew timesheets and assist with weekly payroll administration to ensure accurate reporting.

Maintain detailed project files, certified payroll records, and subcontractor insurance compliance documentation.

Oversee office inventory and vendor relationships to keep workplace supplies continuously stocked and managed.

Facilitate new employee onboarding paperwork and maintain structured human resources recordkeeping.

Minimum of 2 years of professional office administration or clerical experience.

Demonstrated proficiency with Microsoft Office applications, including Excel, Word, and Outlook.

Exceptional organizational skills and proven ability to prioritize multiple administrative tasks efficiently.

Strong professional written and verbal communication skills.

Weekly pay cycle ensuring consistent financial compensation.

401(k) retirement savings program featuring employer matching contributions.

Comprehensive health coverage including medical, dental, and vision insurance plans.

Generous paid time off covering designated holidays, paid vacation, and sick leave.

Paid parental leave covering both maternity and paternity needs.

Paid training programs, manufacturer training, and safety certifications including OSHA, Fall Protection, and Lifts.

Dedicated career mentorship, apprenticeship pathways, and structured clear paths to professional advancement.

Modern tech package provided, including a smartphone or tablet for work duties.

Annual company trips, outings, and special team events throughout the year.

Gianfia Corp. is a premier heavy civil construction firm delivering commercial, industrial, government, and union projects. We actively invest in our people through immediate hands-on training, long-term career advancement, and a culture where team members thrive for decades.