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Office & Administrative Support

Postal Service Mail Sorters, Processors, and Processing Machine Operators

Also called: Automation Clerk, Computer Forwarding System Markup Clerk (CFS Markup Clerk), Distribution Clerk, Flat Sorting Machine Clerk (FSM Clerk)

US median pay

$58,470

per year, 2025

Job growth 2025–35

-5.3%

declining

Openings a year (US)

7,300

101,200 employed

Typical entry education

No formal educational credential

Preparation 2/5 · Some preparation

What this job is

Prepare incoming and outgoing mail for distribution for the United States Postal Service (USPS). Examine, sort, and route mail. Load, operate, and occasionally adjust and repair mail processing, sorting, and canceling machinery. Keep records of shipments, pouches, and sacks, and perform other duties related to mail handling within the postal service. Includes postal service mail sorters and processors employed by USPS contractors.

What they do day to day

  • Clear jams in sorting equipment.
  • Operate various types of equipment, such as computer scanning equipment, addressographs, mimeographs, optical character readers, and bar-code sorters.
  • Sort odd-sized mail by hand, sort mail that other workers have been unable to sort, and segregate items requiring special handling.
  • Direct items according to established routing schemes, using computer-controlled keyboards or voice-recognition equipment.
  • Check items to ensure that addresses are legible and correct, that sufficient postage has been paid or the appropriate documentation is attached, and that items are in a suitable condition for processing.
  • Bundle, label, and route sorted mail to designated areas, depending on destinations and according to established procedures and deadlines.
  • Move containers of mail, using equipment, such as forklifts and automated "trains".
  • Open and label mail containers.
  • Load and unload mail trucks, sometimes lifting containers of mail onto equipment that transports items to sorting stations.
  • Distribute incoming mail into the correct boxes or pigeonholes.

Skills and knowledge that matter most

Skills

  • Coordination3.0/5
  • Time Management2.9/5
  • Operations Monitoring2.9/5
  • Judgment and Decision Making2.9/5
  • Social Perceptiveness2.8/5
  • Operation and Control2.8/5
  • Service Orientation2.5/5
  • Complex Problem Solving2.5/5

Knowledge

  • English Language3.0/5
  • Production and Processing2.5/5
  • Customer and Personal Service2.4/5
  • Administrative2.2/5
  • Administration and Management2.2/5
  • Transportation2.1/5

Importance rated by people working in the job (1 = not important, 5 = extremely important).

Education and preparation

Preparation level 2 of 5 — Some preparation. Usually a high school diploma; some previous work experience or training helps.

Typical entry education (BLS): No formal educational credential.

Highest education of people in this job:

  • High school diploma81%
  • Less than high school12%

Who this job suits

Mostly Conventional

Organising data, details and procedures

Realistic

Hands-on work with tools, machines, plants or animals

Based on the Holland (RIASEC) interest profile for this occupation.

Job titles you'll see in postings

Automation ClerkComputer Forwarding System Markup Clerk (CFS Markup Clerk)Distribution ClerkFlat Sorting Machine Clerk (FSM Clerk)Mail HandlerMail Handler Equipment OperatorMail Processing ClerkMail ProcessorParcel Post Distribution Machine Operator (PDPMO)Small Package and Bundle Sorter Clerk (SPBS Clerk)