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Mail Inserter Jobs in California (NOW HIRING)

The operator performs periodic maintenance on mail-inserting equipment and assists mechanics in identifying machine-related issues. YOUR TASKS * Performs and verifies own machine setups prior to ...

Presort Mailing Technician

Valencia, CA

$20.25 - $26/hr

Tends machine that inserts printed matter, such as letters or booklets for USPS MAIL into folders or envelopes: Stacks quantities of inserts into machine pockets and turns setscrews to adjust feeder ...

MMO II

Sacramento, CA · On-site

$3.9K - $4.9K/mo

Operate a variety of mailing equipment, such as complex multi-function computerized inserting ... Ensure trays have the correct mail tags. Secure completed predetermined mail trays on strapping ...

Mailroom Associate

Irvine, CA · On-site

$19 - $25/hr

Load and unload high-capacity printers, folder/inserters, and related equipment multiple times per shift * Push, pull, and transport mail bins, trays, and carts throughout the facility * Perform ...

Mailroom Associate

Irvine, CA · On-site

$19 - $25/hr

Load and unload high-capacity printers, folder/inserters, and related equipment multiple times per shift * Push, pull, and transport mail bins, trays, and carts throughout the facility * Perform ...

Mailroom Associate

Irvine, CA · On-site

$19 - $25/hr

Load and unload high-capacity printers, folder/inserters, and related equipment multiple times per shift * Push, pull, and transport mail bins, trays, and carts throughout the facility * Perform ...

Showing results 21-40

Mail Inserter information

See California salary details

$8

$16

$21

How much do mail inserter jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for mail inserter in California is $16.69, according to ZipRecruiter salary data. Most workers in this role earn between $14.23 and $19.71 per hour, depending on experience, location, and employer.

What is a mail inserter?

Mail inserters are machines or professionals responsible for automatically or manually placing documents, letters, or promotional materials into envelopes for mailing. In a workplace, a mail inserter typically operates specialized equipment that folds, stuffs, and seals mail pieces efficiently. This role is essential in industries that handle large volumes of outgoing mail, such as direct mail companies, banks, and utilities. Mail inserters ensure that batches of mail are assembled accurately and prepared for timely distribution.

What are the duties and responsibilities of a mail inserter?

As a mail inserter, your responsibilities are to set up, operate, and troubleshoot mail sorting machines and other sorting equipment. You must calibrate the devices to handle different types of mail, such as bank statements, checks, and invoices. During the operation, you make routine inspections of the equipment to ensure that there are no quality control issues or mechanical problems with the setup. In addition to working on the machines, you perform clerical duties and document your daily work.

What are the key skills and qualifications needed to thrive as a mail inserter?

To thrive as a Mail Inserter, you need strong attention to detail, manual dexterity, and basic literacy skills, often supported by a high school diploma or equivalent. Familiarity with automated mail insertion machines, postage meters, and quality control systems is typically required. Reliability, time management, and the ability to work efficiently both independently and as part of a team are valuable soft skills in this role. These qualities ensure accuracy, productivity, and the timely processing of large volumes of mail for organizational success.

What are some common challenges faced by mail inserters, and how can they be managed effectively?

Mail Inserters often work in fast-paced environments where maintaining high accuracy and meeting daily output quotas can be challenging. Common issues include machine jams, sorting errors, and handling a variety of mail sizes or materials. Staying organized, performing regular equipment checks, and following standard operating procedures help minimize errors and downtime. Collaborating closely with supervisors and maintenance teams also ensures smooth workflow and quick resolution of technical problems.

What is the difference between Mail Inserter vs Mail Machine Operator?

AspectMail InserterMail Machine Operator
CredentialsHigh school diploma or equivalent; training on specific inserter modelsHigh school diploma or equivalent; certification may be preferred
Work EnvironmentManufacturing or mailing facility, often standing for long periodsMailroom or production area, operating mailing machines
Job DutiesLoading, operating, and maintaining mail inserters to assemble mail piecesOperating, troubleshooting, and maintaining mailing machines

The Mail Inserter and Mail Machine Operator roles are closely related, both working in mailing or production facilities. The main difference lies in the equipment used: Mail Inserters focus on operating specific inserter machines to assemble mail, while Mail Machine Operators handle a broader range of mailing equipment. Both roles require similar skills and certifications, but their daily tasks and equipment focus differ slightly.

What cities in California are hiring for Mail Inserter jobs? Cities in California with the most Mail Inserter job openings:
What are popular job titles related to Mail Inserter jobs in CA? For Mail Inserter jobs in CA, the most frequently searched job titles are:
Infographic showing various Mail Inserter job openings in California as of August 2026, with employment types broken down into 80% Full Time, and 20% Nights. Highlights an 100% In-person job distribution, with an average salary of $34,708 per year, or $16.7 per hour.

Presort Mailing Operator - 2nd shift

Arvato

Valencia, CA

$17.25 - $20.75/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Arvato rating

6.2

Company rating: 6.2 out of 10

Based on 13 frontline employees who took The Breakroom Quiz


Job description

Company Description

Arvato is an innovative and leading global 3PL service provider in supply chain management and e-commerce. With 20,000 team members at over 100 locations, we focus on the Consumer Products, Tech, Healthcare, Automotive, and Publisher industries.
You will work in an environment built on collaboration, respect, commitment, and curiosity, where you can grow, contribute your ideas, and make an impact. Be part of the team that delivers logistics excellence and shapes supply chains globally. Working at Arvato means: Together, we’re on it.

Job Description

The Presort Mailing Operator operates machines that insert printed materials—such as letters or booklets for USPS mail—into folders or envelopes. The operator stacks quantities of inserts into machine pockets and adjusts feeder mechanisms using setscrews, based on the thickness of the material. They start the machine and replenish pockets with inserts and booklets as needed. The operator performs periodic maintenance on mail-inserting equipment and assists mechanics in identifying machine-related issues.

 YOUR TASKS

  • Performs and verifies own machine setups prior to manufacturing
  • Maintains the integrity and organization of USPS presort mailings of First Class Letters/Flats; Marketing Mail Letter/Flats for Permit Imprint and Metered mail.
  • Controlling the machine and processes
  • Monitor processes, materials, or surroundings
  • Maintains workflow and ensures the availability of materials, tools, and necessary equipment for assembly
  • Inspecting equipment, structures, or materials
  • Monitors safety practices
  • Interacts with other departments in production to resolve problems that interfere with the group’s productivity
  • Trains new and less experienced operators
  • Completes required daily maintenance paperwork
  • Maintains equipment in good working order and maintains a clean work area
  • Reports machine and equipment malfunctions to the supervisor or mechanics
  • Reports replacement parts; assists in periodical equipment checks to ensure maintenance of the machine
  • Responsible for maintaining the quality and productivity
  • Adhere to the company’s Quality Policy Statement and participate in the Quality Management System
  • Lifting up to 40lbs
  • Requires standing for long periods
  • Other projects, duties, and/or tasks as assigned by management 
  • Shift hours: 2:00 pm to 10:30 pm PST
Qualifications
  • Ability to work with minimal supervision
  • Operation monitoring and control precision
  • Understanding of general machine procedures and safety awareness
  • Maintenance, inspection, and troubleshooting of equipment
  • General understanding of USPS postal requirements for presort mail and documentation is preferred
  •  1+ year related experience and or training; or equivalent combination of education and experience
  • Direct Mail experience preferred

Additional Information
  • Medical, Dental, Vision, Life Insurance, and Disability Pay. 
  • 401(k) with company matching up to 6%. 
  • Paid Time Off, including paid holidays. 
  • Flexible Spending Accounts. 
  • Voluntary benefits such as legal and financial assistance, pet insurance, and more. 
  • Employee Assistance Program. 
  • Ongoing employee development opportunities including tuition reimbursement, scholarships, and training. 
  • Commuter benefits. 
  • Employee engagement activities.   

Disclosure requirements pertaining to the collection of your personal data:


Responsible for processing the information provided in your application is the company specified in the job advertisement, with its registered office as indicated. The company processes your data for the purpose of establishing an employment relationship on the basis of Art. 6 (1) b GDPR / Section 26 (1) sentence 1 BDSG.

The retention period for your data is determined by the statutory time limits applicable in the respective country, beginning upon completion of the recruitment process. You can find these here.

You can contact the company’s Data Protection Officer at the above-mentioned postal address. 

Further information on data protection and your rights can be found here.

We strive to be an equitable and inclusive workplace for our employees and value their diverse perspectives, which contribute to the diversity of our company. Therefore, we welcome applications from people who enrich our company with their identity, background and personal experience. We want to keep the application process as simple as possible for you: focus on a meaningful resume; we do not require an elaborate cover letter. Please know that we can only accept your application through our online application portal.

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