Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

AP/AR Administrative Assistant (Part-Time) | St. Louis, MO

Express Employment Professionals

Job Full Description

AP/AR Administrative Assistant (Part-Time)

Position Summary


We are seeking a detail-oriented Part-Time AP/AR Administrative Assistant to support daily accounting and office operations. This role will primarily focus on accounts payable, accounts receivable, invoice processing, filing, and general administrative support within a fast-paced office environment.


This position is expected to start at approximately 3 days per week, with potential to increase to 4 days depending on workload and business needs.

Key Responsibilities

  • Process Accounts Payable and Accounts Receivable transactions
  • Enter, review, and maintain invoice records accurately
  • Handle cash receipt processing and payment documentation
  • Maintain organized filing systems and financial records
  • Assist with invoice reconciliation and general accounting support tasks
  • Support daily office administrative functions as needed
  • Work within ERP/accounting systems to track and process transactions
  • Communicate professionally with internal staff regarding payment and invoice matters
  • Assist with ongoing process improvements and administrative workflow support
Qualifications

  • Previous AP/AR or accounting administrative experience preferred
  • Experience working with invoices, cash receipts, and financial documentation
  • General ERP or accounting software experience required
  • Strong attention to detail and organizational skills
  • Comfortable working in a fast-paced office environment
  • Ability to learn new systems and processes quickly
  • Strong communication and reliability
Preferred Experience

  • ERP system experience such as Open Accounts, NetSuite, QuickBooks, or similar platforms
  • Prior experience supporting accounting or administrative departments
  • Experience processing moderate-to-high invoice volume environments
Schedule

  • Approximately 24-32 hours per week
  • Expected schedule of 3-4 days weekly
  • Potential for long-term opportunity depending on business needs
Benefits of working with Express:
  • Weekly pay and immediate benefits
  • Evaluation to Direct Hire Positions-get your foot in the door at a great company!
  • Personalized job matching & interview prep
  • No fees for you, ever!
  • Quick hiring process
  • Referral Bonuses

#OSARMO

Arnold, MO
2375
4409 Meramec Bottom Road
Suite I
St. Louis, MO 63129
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the AP/AR Administrative Assistant (Part-Time) | St. Louis, MO in Saint Louis, MO vacancy
  • $23 - $25 per hour

     ...Job Full Description Administrative Assistant - $23-$25/hr | Part-Time | 9am - 1pm M-F Administrative • Office Support...  ...hiring process Referral Bonuses #OSARMO Arnold, MO 2375 4409 Meramec Bottom Road Suite I St. Louis, MO 63129
    Part time
    Hourly pay
    Weekly pay
    Work at office
    Immediate start
    Monday to Friday
    Shift work

    Express Employment Professionals

    Saint Louis, MO
    5 days ago
  • $78.67k - $104k

     ...clinical team within our Integrated Health Center in the greater St. Louis, Missouri metropolitan area. This position involves...  ...Compensation : $78,665 - $104,000 + DOE Schedule: Full-time or Part-time available! Monday - Friday variable hours early close... 
    Part time
    16 hours
    Full time
    Monday to Friday
    Flexible hours

    UHC Solutions

    Saint Louis, MO
    2 days ago
  •  ...Fabletics Part-Time Store Associate Fabletics is currently looking for driven Part-Time Store Associates for our Fabletics location at West County Center - St. Louis, MO! What makes this job FAB? Join our team as a Store Associate and be at the forefront of delivering... 
    Part time
    Work experience placement
    Flexible hours
    Afternoon shift

    Fabletics

    Saint Louis, MO
    4 days ago
  • P/T Retail Store Associate - St. Louis Premium, 6217, Chesterfield, MO At adidas we have been challenging the status quo for over 7...  ...and weekends. Hours are part time and will vary based on business...  ...match and for education assistance. Employees are eligible to earn... 
    Part time
    Flexible hours
    Afternoon shift

    adidas

    Saint Louis, MO
    2 days ago
  • $1,868 - $2,088 per week

     ...Registered Nurse (RN) | Long-Term Acute Care Location: St. Louis, MO Agency: Prime Time Healthcare Pay: $1,868 to $2,088 per week Shift...  ...you are not just a number when working with us. You are part of the Prime Time Healthcare Team. At Prime Time... 
    Part time
    Full time
    Contract work
    Temporary work
    Summer work
    Immediate start
    Shift work
    Rotating shift

    TravelNurseSource

    Saint Louis, MO
    16 days ago
  •  ...Retail Part-Time Store Associate Savage X Fenty is currently looking for a driven and passionate Retail Part-Time Store Associate at the St. Louis Galleria in St. Louis, MO! The Store Associate will report directly to the Store Manager and play a vital role in supporting... 
    Part time
    Flexible hours
    Weekend work
    Afternoon shift

    Savage X Fendy

    Saint Louis, MO
    4 days ago
  • $1,706.25 per month

     ...Name Special School District of St. Louis County Job Type Local...  ...Speech Language Pathologist Assistant (SLPA): Schools-St. Louis, MO Weekly Pay $1706.25...  ...based on experience) * Hours: Full Time or Part Time Available Contract Length:... 
    Part time
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Special School District of St. Louis County

    Saint Louis, MO
    3 days ago
  • $1,773.75 per month

     ...Client Name Special School District of St. Louis County Job Type Local...  ...Language Pathologist (SLP): Schools-St. Louis, MO Weekly Pay $1773.75...  ...Pay based on experience) * Hours: Full Time or Part Time Available Contract Length: 2026-... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Special School District of St. Louis County

    Saint Louis, MO
    4 days ago
  •  ...Registered Dental Hygienist (RDH) Location: St. Louis , MO Position Type: Full-Time / Part-Time Pay: Competitive hourly rate based on experience...  ...patients on oral hygiene and preventive care Assist with treatment planning alongside the dentist... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Flexible hours

    Dental Dynamic Staffing

    Saint Louis, MO
    3 days ago
  • $60k - $75k

     ...Description Job Description Physical Therapy Assistant St. Louis MO must be have an active MO license as...  ...Assist with documentation/reports - timely and accurate EHR Qualifications:...  ...required Schedule: ~ Full time or Part time (20-40 hrs per week)... 
    Part time
    Full time
    Temporary work
    Work at office

    HEALTHCARE RECRUITMENT COUNSELORS

    Saint Louis, MO
    15 days ago
  • $17.08 per hour

    Description Fueler (Overnight) - St. Louis, MO Pay: $17.08/hour Schedule: Full-Time & Part-Time Available (Overnight Shifts) About the Role We are hiring dependable and hardworking Fuelers to support overnight fleet operations in St. Louis. This role is... 
    Part time
    Hourly pay
    Full time
    Local area
    Flexible hours
    Night shift

    LAZ parking

    Saint Louis, MO
    4 days ago
  • $1,651 per month

     ...Details Client Name St. Louis Public Schools Job Type Local Offering...  ...Pathologist (SLP): Schools-St. Louis, MO Weekly Pay $1651.0...  ...Pay based on experience) * Hours: Full-time or Part-time options Requirements Valid Speech... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Jersey City Medical Center

    Saint Louis, MO
    1 day ago
  • $1,446.25 per month

     ...Details Client Name St. Louis Public Schools Job Type Local Offering...  ...Worker (LCSW): Schools-St. Louis, MO Weekly Pay $1446.25 Shift...  ...based on experience) * Hours: Full Time or Part Time Available Requirements ~... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Jersey City Medical Center

    Saint Louis, MO
    4 days ago
  • $16 - $18 per hour

     ...Investigations Hourly Rate: $16-$18/hr. Location: St Louis MO Schedules: Full Time: Wed-Sat 7pm-5am Part Time: Rotating Schedule 12pm-6pm Part Time:...  ..., disability, genetics, status regarding public assistance or any characteristic protected under federal,... 
    Part time
    Hourly pay
    Daily paid
    Full time
    For contractors
    Local area

    Hudson Services

    Saint Louis, MO
    2 days ago
  • $1,235 per month

     ...Details Client Name St. Louis Public Schools Job Type Local...  ...Speech-Language Pathologist Assistant (SLPA): Schools-St. Louis, MO Weekly Pay $1235.0...  ...on experience) * Hours: Full Time or Part Time Available Requirements ~... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Jersey City Medical Center

    Saint Louis, MO
    1 day ago
  • $1,488.5 per month

     ...Details Client Name St. Louis Public Schools Job Type Local Offering...  ...Therapist (OT): Schools-St. Louis, MO Weekly Pay $1488.5 Shift...  ...based on experience) * Hours: Full-time or Part-time options Requirements ~ Valid... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Jersey City Medical Center

    Saint Louis, MO
    1 day ago
  • $1,569.75 per month

     ...Details Client Name St. Louis Public Schools Job Type Local Offering...  ...Therapist (PT): School-St. Louis, MO Weekly Pay $1569.75 Shift...  ...based on experience) * Hours: Full Time or Part Time Available Contract Length: 2026-... 
    Part time
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Local area
    Shift work

    Jersey City Medical Center

    Saint Louis, MO
    1 day ago
  • $75k - $105k

     ...Home Veterinarian in St. Louis. Are you looking for...  ...generous appointment times and minimal administrative duties? If you...  ...our team and become part of a nurturing and supportive...  ...and up to 100 lbs. assisted ~ Capable of walking...  ...roles. St Louis, MO $75,000.00-$105,000.0... 
    Part time
    Local area
    2 days per week

    Heartstrings Pet Hospice & In-Home Euthanasia & Aftercare

    Saint Louis, MO
    4 days ago
  •  ...Enrollment Specialist - PRN St. Louis, MO TerraCom was founded to help low-income consumers...  ...and door to door delivery routes, assisting with tablet enrollment, and operation demonstration...  ...and mileage. These positions are part-time/PRN and have flexible hours.... 
    Part time
    Relief
    Flexible hours

    Terracom Wireless

    Saint Louis, MO
    4 days ago
  • $1,120 per unit

     ...Description Chamberlain College of Nursing seeks Part‑time Clinical Nursing Faculty to teach in the BSN Nursing program in St. Louis, MO. The role involves mentoring students in...  ..., procedures, and expectations with the assistance of the agency/clinical personnel.... 
    Part time

    Chamberlain University

    Saint Louis, MO
    3 days ago
  • $15 per hour

     ...HB: 01621 St. Louis, Missouri (Overland Plaza) Hourly: $15.00 - $15.00 Job Title: Sales Associate Department: Operations...  ...unique customer experience helping to acquire and retain long-time customers. The Sales Associate is passionate about giving outstanding... 
    Part time
    Hourly pay

    Hibbet Sports

    Saint Louis, MO
    4 days ago
  • $1,120 per unit

     ...Collaborative Health Clinical Faculty (part-time): St. Louis, MO Part-time Department: Faculty About Chamberlain University Chamberlain University...  ...a Master of Public Health degree, Master of Physician Assistant Studies, Public Health Certificate programs, and a Master... 
    Part time
    Work at office
    Remote work
    Worldwide
    2 days per week

    Covista

    Saint Louis, MO
    3 days ago
  • RPSGT - SSM Locations - St. Louis, MO region SSM Health Medical Group - Full‑time About The Position PRN, Part‑time, and Full‑time RPSGT’s needed ASAP. Must have RPSGT licensure, sleep laboratory experience, BCLS or CPR certification, and be able to travel up to 10% of... 
    Part time
    Full time
    Relief
    Work at office
    Immediate start

    Medbridge Healthcare

    Saint Louis, MO
    5 days ago
  •  ...Language (ASL) In- person Interpreter job at Archdiocese of St. Louis. Saint Louis, MO. Use your language skills to make a difference in your...  ...professionals and help people be heard . POSITION SUMMARY: Part time position A Sign Language Interpreter is responsible for... 
    Part time
    Local area

    Feitong Buke

    Saint Louis, MO
    1 day ago
  • $30 - $35 per hour

    IMMEDIATELY HIRING! PER-DIEM PART-TIME Opportunity $30.00-$35.00/hr Position Summary Located in St. Louis, MO. The College of Emergency Services is expanding its instructional...  ...factors in routine performance of duties. Assists staff with maintenance of program equipment.... 
    Part time
    Hourly pay
    Daily paid
    Local area
    Immediate start

    Global Medical Response

    Saint Louis, MO
    2 days ago
  • $650 per week

     ...Truck Driver | Paid Training Available | St. Louis, MO CDL-A Trainee Truck Driver | Paid...  ...mentorship, and a direct path to a full-time solo driving position with consistent weekly...  ...OTR Drivers looking for short-term or part-time work Clear expectations upfront... 
    Part time
    Weekly pay
    Full time
    Temporary work
    Traineeship
    Local area
    Immediate start

    Class A Jobs

    Saint Louis, MO
    4 days ago
  • $25 - $30 per hour

     ...Associates, we set the standard in investigative services. We are seeking experienced SIU Field Investigators in St. Louis, MO and surrounding areas on a part-time basis. Enjoy flexible hours, competitive pay, and opportunities for professional growth. Requirements Must... 
    Part time
    Hourly pay
    Live in
    Flexible hours

    Lemieux & Associates

    Saint Louis, MO
    2 days ago
  • $1,120 per unit

     ...needs a qualified Mental Health Clinical Faculty (part-time) for our Bachelor of Science in Nursing program in St. Louis, MO . Teaching is onsite in a clinical setting...  ...policies, procedures, and expectations with the assistance of the agency/clinical personnel. Develops... 
    Part time
    Worldwide

    Chamberlain University

    Saint Louis, MO
    3 days ago
  • $27 per hour

    St. Louis, MO (Main - Ops Assistant Manager of Dispatch and Customer Service) Address Remote Compensation $27.00/hour Job Description Location - Remote...  ...in it for you (benefits will vary if not hired for full-time permanent) Health insurance PTO (Minimum 120 hours per... 
    Permanent employment
    Full time
    Work experience placement
    Remote work
    Home office
    Shift work

    Fountain

    Saint Louis, MO
    2 days ago
  • $81k - $93.6k

     ...clinical expertise is the foundation for every part of Paradigm's business: risk-based...  ...Paradigm. Paradigm is looking for a full-time, 0.75 - 1.0 FTE (30-40 hours per week),...  ...Field Nurse Case Manager to cover the St. Louis, MO, area . This is a salaried position: base... 
    Part time
    Full time
    Contract work
    For contractors
    Live in
    Local area
    Flexible hours

    Paradigm

    Saint Louis, MO
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to AP/AR Administrative Assistant (Part-Time) | St. Louis, MO. Be the first to apply!