Lock Box Associate (Full Time) - San Antonio
Listed on Prosperity Bancshares’s official careers site. Posted October 9, 2026. Check that it is still open and apply there.
Apply on Prosperity Bancshares’s careers site →Job description
External Applicants
Please apply through Prosperity Bank's Career Center at https://www.prosperitybankusa.com/Careers . Applying through any other source may prevent Prosperity from receiving your application.
Internal Applicants
If you are a current associate of Prosperity Bank, please apply through the internal Talent - Career Center in ADP. Prosperity Bank is an Equal Opportunity Employer.
POSITION PURPOSE
Responsible for processing lockbox transactions and promoting favorable customer relations. The position is governed by established Bank policies, procedures, and Federal regulations. Responsibilities are performed under limited supervision with contracted deadlines
ESSENTIAL FUNCTIONS
AND
BASIC DUTIES
Processes lockbox deposits accurately by ensuring valid payee to department number and confirming payee/signer or deposit agreement on file for establishing reasonable recourse without damaging contents within envelopes. Follows account processing instructions with checks, invoices, scans EOB’s front/back in chronological order & balances the actual check. Keys each check by the written and legal amount for accurate account processing.
Provides electronic transmission for automated account receivable posting, and balances file transmission to OCR and MICR coupons. Prepares customized batch report following customer’s written instructions, emails, faxes, or copies finished deposit information by designated cutoff. Safeguards all health information for financial privacy and HIPPA compliance using a digital ID for encrypted email. Provides customer service information to customers and other Bank officers regarding deposits & archived information.
Coordinates with IT staff, Lockbox software vendor, and customers when electronic transmission errors occur. Files all warehoused imaged invoices, EOBs, and envelopes for a two week holding period prior to destruction. Inputs itemized charges for all services associated with the Lockbox processing into the Lockbox billing report. Researches and corrects deposit errors from the previous day’s deposit by GL entry with customer notification by phone.
Performs related responsibilities as required or assigned. The above statements describe the general nature and level of work only. They are not an exhaustive list of all required responsibilities, duties, and skills. Other duties may be added, or this job description amended at any time.
SUPERVISORY RESPONSIBILITIES
This position has no supervisory duties.
QUALIFICATIONS
EDUCATION/CERTIFICATION: High school diploma or the equivalent.
EXPERIENCE
REQUIRED: One or more years related bank operations experience REQUIRED KNOWLEDGE: Computer knowledge with basic skills of Word and Excel.
SKILLS/ABILITIES
Demonstrated ability to read, write and perform mathematical calculations Effective oral communication skills Ability to perform 225 ten keystrokes per minute with a 90% accuracy rate as might be needed to check deposit totals. Data entry ability at 100 strokes per minute with 90% accuracy Attention to detail. Familiarity with high-speed scanners and electronic mail openers. PHYSICAL ACTIVITIES AND
REQUIREMENTS
OF THIS POSITION Talking: Especially where one must frequently convey detailed or important instructions or ideas accurately, loudly, or quickly.
Average Hearing
Able to hear average or normal conversations and receive ordinary information.
Repetitive Motion
Movements frequently and regularly required using the wrists, hands, and/or fingers.
Average Visual Abilities
Average, ordinary, visual acuity necessary to prepare or inspect documents or products, or operate machinery.
Physical Strength
Sedentary work; sitting most of the time. Exerts up to 10 lbs. of force occasionally. (Almost all office jobs.)
WORKING CONDITIONS None
No hazardous or significantly unpleasant conditions (such as in a typical office). MENTAL ACTIVITIES AND
REQUIREMENTS
OF THIS POSITION Reasoning Ability: Ability to apply logical or scientific thinking to define problems, collect data establish facts and draw conclusions. Able to interpret a variety of technical instructions and can deal with multiple variables.
Mathematics Ability
Ability to compute discount, interest, profit, and loss; commission markup and selling price; and ratio, proportion, and percentage. Able to perform very simple algebra.
Language Ability
Ability to read periodicals, journals, manuals, dictionaries, thesauruses, and encyclopedias. Ability to prepare business letters, proposals, summaries, and reports using prescribed format and conforming to all rules of punctuation, grammar, diction, and style. Ability to conduct training, communicates at panel discussions, and make professional presentations.
Hours
Monday - Friday 8:00 AM - 5:00 PM. 40 hours
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