Top 281 Administrative coordinator Jobs in Fullerton Ca

Finance Accounting Administration Coordinator
Brea Networks, LLC —Brea, CA
- $55,000 - $65,000 a year
- Full-time
- Background check
- Microsoft Excel
- CPA
- Health insurance
- Dental insurance
Quick Apply
Construction Scheduling Coordinator
National Renovation, Inc. —Anaheim, CA
- $24 - $27 an hour
- Overtime
- Bilingual
- Microsoft Word
- Microsoft Excel
- Paid holidays
- Health insurance
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Center Relations Coordinator
Braille Institute of America —Anaheim, CA
- $55,000 - $65,000 a year
- Online Application
- Microsoft Word
- Spanish
- Microsoft Excel
- Opportunities for advancement
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Office Coordinator (Law Firm Experience Required)
Kent Daniels & Associates —Irvine, CA
- $50,000 - $75,000 a year
- Full-time
- Microsoft Outlook
- Mid-level
- Office
- Paid time off
- Paid sick time
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Admin Assistant & Operations Coordinator
American Precast Concrete Inc. —Pomona, CA
- $33 - $38 an hour
- Full-time
- Spanish
- Google Workspace
- English
- Health insurance
- Dental insurance
Quick Apply
9d
Front Desk Receptionist and Office Coordinator
Dental Wellness of Anaheim —Anaheim, CA
- $22 - $25 an hour
- Full-time
- Bilingual
- Google Workspace
- Microsoft Outlook
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Front Desk Receptionist & Social Media Coordinator – Med Spa | Part-Time
Vitality IV Drip —Downey, CA
- $22 - $26 an hour
- Part-time
- Spanish
- Writing skills
- High school diploma or GED
- Paid training
- Employee discount
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10d
Receptionist / Front Office Coordinator
4k Aluminum California —Brea, CA
- $24 - $26 an hour
- Full-time
- Mid-level
- Office
- Microsoft Office
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9d
Administrative Coordinator - Part Time
Fujitec America —Santa Fe Springs, CA
- $28.51 - $35.37 an hour
- Part-time
- US work authorization
- Communication skills
- Entry level
- Disability insurance
- Health insurance
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Project Coordinator and Administrative Assistant
Tomorrow Water —Anaheim, CA
- Full-time
- Microsoft Outlook
- Mid-level
- Office
Quick Apply
7d
Administrative Support Coordinator II
California State University —Fullerton, CA
- Online Application
- Background check
- English
- Mid-level
- Paid holidays
- Health insurance
14d
Immigrants' Rights Center (IRC) Administrative Coordinator
CAIR LA —Anaheim, CA
- $28 - $33 an hour
- Weekends as needed
- Hybrid work
- Mid-level
- Office
- Administrative experience
- Health insurance
- Dental insurance
Quick Apply
Production Coordinator
Flow Control Group —Placentia, CA
- $23 - $26 an hour
- Full-time
- Microsoft Excel
- ERP systems
- Office
- Paid holidays
- Health insurance
Quick Apply
Senior Admin & IT Coordinator - Immigration
CAIR LA —Anaheim, CA
- $34 - $38 an hour
- Weekends as needed
- Hybrid work
- Mid-level
- Office
- Administrative experience
- Health insurance
- Dental insurance
Quick Apply
Front Desk Coordinator - Whittier
The Joint Chiropractic —Whittier, CA
- $18.74 an hour
- Part-time
- High school diploma or GED
- Clinic
- Ability to lift 50 pounds
Quick Apply
Social Media/Licensed Esthetician/Front Desk Coordinator
Slynn Wellness Medical Spa —Pasadena, CA
- $22 - $28 an hour
- Part-time
- Spanish
- Sales
- Inventory management
- Employee discount
- Professional development assistance
Quick Apply
Dental Assistant / Front Office Coordinator (Hybrid Role)
Confidential —San Gabriel, CA
- $20 - $25 an hour
- Part-time
- Hybrid work
- Background check
- Spanish
- Dental office
- Paid training
- Paid time off
Quick Apply
Dental Front Office/ Insurance Coordinator
Alicia Dentistry —Mission Viejo, CA
- $24 - $29 an hour
- Full-time
- Background check
- CPR Certification
- Dental office
- Paid holidays
- Health insurance
Quick Apply
Sales Coordinator
Aurora World, Inc. —Pico Rivera, CA
- $19.50 - $21.50 an hour
- Full-time
- Microsoft Excel
- English
- Mid-level
- Paid training
- Mileage reimbursement
Quick Apply
Key Account Coordinator
Aurora World, Inc. —Pico Rivera, CA
- $18 - $21 an hour
- Full-time
- Microsoft Excel
- English
- Mid-level
- Health insurance
- Dental insurance
Quick Apply

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Finance Accounting Administration Coordinator

Brea Networks, LLC
Brea, CA

Quick Apply

Job Details

Full-time
$55,000 - $65,000 a year

Benefits

Health insurance
Dental insurance
Paid time off
Vision insurance
401(k) matching

Qualifications

Teamwork
Internal controls
Microsoft Excel
Spreadsheets
Administrative experience
Bachelor's degree
GAAP
QuickBooks Online
QuickBooks
Recruiting
Accounting and finance experience
Excel data analysis

Full Job Description

ABOUT BREA NETWORKS

Brea Networks, LLC is a professional Managed IT Services and Cybersecurity firm headquartered in Brea, California, serving clients nationwide. We operate as a Managed Service Provider (MSP), Managed Security Service Provider (MSSP), and CMMC Compliance Service Provider, specializing in NIST 800-171, DFARS, ITAR, and CMMC frameworks to help regulated organizations maintain secure and compliant operations.

Founded in 2010, Brea Networks has grown into a trusted partner for government contractors, financial institutions, and businesses across the United States. Our culture is defined by professionalism, thorough documentation, consistent communication, collaborative problem-solving, and operational discipline.

We are building scalable internal systems and leadership capabilities to support long-term growth, including strengthening our finance and administrative function.

POSITION SUMMARY

The Office Manager is a key operational leader responsible for overseeing financial administration, billing operations, compliance coordination, and internal business processes. This role requires strong accounting expertise, operational discipline, and the ability to work closely with executive leadership.

In a recurring revenue MSP/MSSP environment, precision in billing, revenue reconciliation, and contract alignment is critical. The Office Manager ensures that financial systems are accurate, auditable, and scalable.

This position is structured to evolve into a Financial Officer role as the company grows. The selected candidate must demonstrate the capability to manage current responsibilities while building structured financial systems for future scale.

CORE RESPONSIBILITIES

1. Financial Management & Accounting

Oversee all Accounts Payable (AP) and Accounts Receivable (AR) functions
Maintain accurate general ledger records
Assist with payroll processing and commission tracking
Update and maintain the company’s Daily Financial Dashboard
Support monthly close process and prepare financial summaries for leadership
Ensure financial documentation is organized, complete, and audit-ready
Coordinate with external accountants, tax advisors, and auditors
Maintain strong internal controls to safeguard company assets

2. Billing & Revenue Operations

In a Professional Services and Managed Services environment, billing accuracy directly impacts profitability.

Oversee monthly recurring managed services billing
Ensure proper contract setup within the Professional Services Automation (PSA) system
Reconcile service activity, technician billable time, and agreements within the PSA
Monitor revenue alignment between:
Managed Service Agreements (MSAs)
Statements of Work (SOWs)
Service Level Agreements (SLAs)
Identify discrepancies between time entries, contracts, and invoices
Reduce revenue leakage through proactive reconciliation
Monitor AR aging and assist in collections follow-up

3. Vendor & Contract Administration

Manage vendor contracts, software licensing, and subscription renewals
Track renewal timelines for:
Client agreements (MSAs, SLAs, SOWs)
Vendor software and service contracts
Support pricing documentation and margin analysis of service offerings
Maintain centralized documentation for financial and vendor records

4. HR & Administrative Oversight

Coordinate recruiting logistics and onboarding documentation
Maintain employee records, certification tracking, and licensing documentation
Coordinate benefits administration and enrollment processes
Maintain confidentiality of sensitive financial and personnel information
Support internal communication and documentation systems

5. Compliance & Risk Management

Maintain documentation for insurance, audits, and regulatory requirements
Track internal policy acknowledgments and compliance training completion
Support cybersecurity compliance documentation in coordination with compliance and security teams
Maintain documentation standards aligned with CMMC and internal audit readiness

REQUIRED QUALIFICATIONS

Bachelor’s degree in Accounting or Finance
Minimum 2+ years of accounting or financial management experience
Strong understanding of GAAP principles
Experience with accounting software (e.g., QuickBooks or similar platforms)
Advanced proficiency in Microsoft Excel
High attention to detail and strong internal controls mindset

Outstanding recent CPA graduates are encouraged to apply.

PREFERRED QUALIFICATIONS

CPA certification completed
Experience in a recurring revenue or service-based business model
Experience in IT services, managed services (MSP), or cybersecurity industries
Experience working with Professional Services Automation (PSA) systems

LEADERSHIP & GROWTH PATH

This position is structured as a foundational leadership role within the organization. As the company scales, the Office Manager may evolve into a Financial Officer role, taking ownership of:

Financial strategy and forecasting
Cash flow management
Financial Planning & Analysis (FP&A)
KPI reporting and executive decision support
Oversight of expanded accounting staff

This role requires long-term interest in leadership development within a growing technology services organization.

KEY COMPETENCIES

Financial discipline and analytical rigor
Operational leadership mindset
Professional discretion and integrity
Process development and scalability focus
Strong communication skills with both technical and non-technical teams
Ability to operate independently while partnering closely with executive leadership

Job Type: Full-time

Pay: $55,000.00 - $65,000.00 per year

Benefits:

401(k) matching
Dental insurance
Health insurance
Paid time off
Vision insurance

Application Question(s):

Have you worked in a Managed Service Provider (MSP), IT services, or recurring revenue business model?
Have you used a Professional Services Automation (PSA) system (e.g., ConnectWise, AutoTask) to reconcile billing and service agreements?
Briefly describe how you would reconcile technician time entries to recurring client billing in a service-based company.
What was the average Accounts Receivable aging (in days) in your previous role?
How many business days did your company take to complete monthly close?
Do you currently hold a CPA license?

Experience:

QuickBooks: 8 years (Required)

Work Location: In person

Quick Apply

Refine Your Search

administrative coordinator jobs in fullerton ca

Finance Accounting Administration Coordinator

Construction Scheduling Coordinator

Center Relations Coordinator

Office Coordinator (Law Firm Experience Required)

Admin Assistant & Operations Coordinator

Front Desk Receptionist and Office Coordinator

Front Desk Receptionist & Social Media Coordinator – Med Spa | Part-Time

Receptionist / Front Office Coordinator

Administrative Coordinator - Part Time

Project Coordinator and Administrative Assistant

Administrative Support Coordinator II

Immigrants' Rights Center (IRC) Administrative Coordinator

Production Coordinator

Senior Admin & IT Coordinator - Immigration

Front Desk Coordinator - Whittier

Social Media/Licensed Esthetician/Front Desk Coordinator

Dental Assistant / Front Office Coordinator (Hybrid Role)

Dental Front Office/ Insurance Coordinator

Sales Coordinator

Key Account Coordinator

I want to receive the latest job alert for administrative coordinator in fullerton ca

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