Construction Office Admin & Ops Support

BBSI Southern California; California; On-site; USD 32,000 - 34,000; Full time

Benefits offered by this job

Medical benefits + 401(k) with company

Profit sharing and performance bonus

Paid sick time

Supportive team environment with good/

Job summary

BBSI Southern California is seeking a detail-oriented Office Administrator to support daily operations and serve as a key partner to the Office Manager. This Full Time/Direct Hire role involves coordinating administrative tasks, vendor communication, and basic accounting support in a construction-focused environment.

Duties include filing, payroll support, vendor contracts, A/P and A/R via QuickBooks, front desk duties, and process improvements to boost efficiency.

Qualifications

• 2+ years of office administration experience (construction industry required).
• Working knowledge of QuickBooks or similar accounting software.
• Experience supporting A/P, A/R, and basic accounting functions.
• Familiarity with payroll and HR administrative support.
• Strong communication, organization, and multitasking skills.
• Ability to work both independently and as part of a team.
• Front desk or receptionist experience is a plus.

Responsibilities

• Maintain organized files, records, and project documentation.
• Assist with payroll support and employee file management.
• Coordinate with vendors, including contracts and communication.
• Support accounts payable/receivable and invoicing using QuickBooks.
• Perform general administrative tasks (data entry, scheduling, supply management).
• Provide front office support including answering calls and greeting visitors.
• Help improve office systems and processes for efficiency and accuracy.
• Ensure documentation and processes align with company standards.

Skills

Strong communication

Organization

Multitasking

Tools

QuickBooks

Job description

BBSI Southern California is seeking a detail-oriented Office Administrator to support daily operations and serve as a key partner to the Office Manager. This Full Time/Direct Hire role involves coordinating administrative tasks, vendor communication, and basic accounting support in a construction-focused environment.

Duties include filing, payroll support, vendor contracts, A/P and A/R via QuickBooks, front desk duties, and process improvements to boost efficiency.