Administrative Assistant

Robert Half • Orange, CA • 3h ago

Description We are looking for an Administrative Assistant to support a fast-paced billing and office operations environment. This contract opportunity with potential for a permanent role is ideal for someone who thrives on accuracy, organization, and consistent follow-through while managing a high volume of invoicing and related administrative tasks. The person in this role will help keep billing records current, coordinate with internal teams and customers to gather required documentation, and ensure submissions are completed according to client-specific guidelines.

Responsibilities:

Manage a large daily invoicing workload, handling roughly 50 or more billing transactions with a strong focus on timeliness and accuracy.

Examine inspection documents, quoted service work, and completed job activity to prepare invoices that reflect the correct billable details.

Confirm that inspection approvals and supporting paperwork are complete before releasing invoices for processing.

Communicate with coworkers and customers to obtain missing reports, clarify incomplete billing details, and keep invoicing on schedule.

Submit invoices through customer billing portals while following each account's specific formatting and documentation requirements.

Maintain billing logs and tracking spreadsheets to monitor completed work, invoice progress, pending items, and outstanding follow-up needs.

Investigate rejected invoices, payment questions, and other billing discrepancies, then take appropriate steps to resolve outstanding issues.

Provide general administrative support that may include data entry, handling inbound calls, and front-office assistance as needed. Requirements - At least 2 years of experience in administrative support, billing, or a closely related office-based role.

Demonstrated ability to process high-volume data and invoices with strong attention to detail.

Experience working with spreadsheets, billing records, and document tracking tools in an organized manner.

Comfortable communicating with internal departments and external customers to resolve documentation or payment issues.

Ability to manage multiple priorities, meet deadlines, and maintain accuracy in a fast-moving environment.

Proficiency in administrative tasks such as data entry, answering inbound calls, and supporting general office operations.

Familiarity with invoice submission processes, collections support, or customer billing portals is preferred. TalentMatch®

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

Similar Jobs

IT Help Desk Technician

Jetro Holdings, Inc • Anaheim, CA • 3h ago

Management & Administrative

IT Help Desk Technician Company: Jetro / Restaurant Depot Location: 1265 N Kraemer Blvd, Anaheim, CA 92806 Job Type: Full-time Sector: MIS/IT Compensation: $25.00 - $30.00 an hour JOB DETAILS Restaurant Depot is the nati...

3h ago

Go to Apply

Administrative Assistant

Robert Half • Fountain Valley, CA • 3h ago

Management & Administrative

Description We are looking for a detail-oriented Administrative Assistant to support daily office operations for a government-focused environment in Fountain Valley, California. This Long-term Contract position is ideal...

3h ago

Go to Apply

Sales and Service Associate

24 Hour Fitness, INC. • Anaheim, CA • 4h ago

Management & Administrative

FULL-TIME Part-time LOCATION 300 South Festival Dr Anaheim CA 92808 ABOUT US For over 40 years, 24 Hour Fitness has been a leader in the industry, driven by our mission to help our community live healthier and happier th...

4h ago

Go to Apply

Sales and Service Associate

24 Hour Fitness, INC. • Santa Fe Springs, CA • 4h ago

Management & Administrative

FULL-TIME Part-time LOCATION 13312 Imperial Hwy Santa Fe Springs CA 90670 ABOUT US For over 40 years, 24 Hour Fitness has been a leader in the industry, driven by our mission to help our community live healthier and happ...

4h ago

Go to Apply

Project Manager - Manufacturing

Siemens • Pomona, CA • 10h ago

Management & Administrative

Job Family: Electrical Products Req ID: 523684 Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improvi...

10h ago

Go to Apply

Project Engineering Manager - Overhead Transmission Line

MetaOption, LLC • Irvine, CA • 15h ago

Management & Administrative

Project Engineering Manager - Overhead Transmission Line Tualatin, OR, Irvine, CA , Houston, TX, Overland Park, KS, Denver, CO, Bloomington, MN, Ann Arbor, MI, Raleigh, NC, Orlando, FL. High voltage eng group Data center...

15h ago

Go to Apply

Sr. Technical Account Manager

Deloitte • Costa Mesa, CA • 17h ago

Management & Administrative

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Sr.Technical Account Manager you will have the ability to share new ideas and collaborate on pr...

17h ago

Go to Apply

GCP Technical Account Manager

Deloitte • Costa Mesa, CA • 17h ago

Management & Administrative

As a GCP Technical Account Manager (Cloud Infrastructure Engineer III), you will support Public Sector customers with cloud adoption, operational planning, technical issue resolution, and stakeholder coordination. Workin...

17h ago

Go to Apply

Inter-Logistics Operations Manager

Niagara Bottling LLC • Diamond Bar, CA • 1d ago

Management & Administrative

Corp-Main - Diamond Bar, CA Full time R56695 At Niagara, we're looking for Team Members who want to be part of achieving our mission to provide our customers the highest quality most affordable bottled water. Consider ap...

1d ago

Go to Apply

Manager, Channel Marketing

Logitech • Irvine, CA • 1d ago

Management & Administrative

Hybrid San Jose, California - USA Offsite - Canada - ON Offsite - USA - TX Irvine, California - USA Doral, Florida - USA Camas, Washington - USA Full time 148195 Logitech is the Sweet Spot for people who want their actio...

1d ago

Go to Apply

Subscribe to get new jobs sent directly to you
(no charge, cancel anytime)