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

Administrative Assistant (20-30 hours per week)

Trilon Group

Administrative Assistant

The Mannik & Smith Group, Inc. (MSG) is a people focused, award-winning, full-service consulting firm that offers a wide array of services including civil and geotechnical engineering, environmental consulting, planning, landscape architecture, agriculture, surveying and construction support. Our talented staff of more than 650+ professionals deliver integrated planning, design, engineering and construction solutions.

We are seeking a detail-oriented and proactive Administrative Assistant to support our Cranberry Township, PA office. This role also provides administrative support to two nearby regional offices in Hermitage, PA and Waynesburg, PA (approximately one hour away), with occasional travel required. This is a part-time position, that is expected to work 20-30 hours per week. This position is ideal for someone who thrives in a fast-paced environment, enjoys staying organized, and takes pride in keeping office operations running smoothly.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Administrative Assistant (20-30 hours per week) in Waynesburg, PA vacancy
  •  ...Environment 1. Standard office environment. Skills and Abilities 1. Strong written and verbal communication skills. PT (20 hours a week), evening and weekends Scheduled Weekly Hours: 20 Shift: Evening (United States of America) Exempt/Non-Exempt: United... 
    Suggested
    Work at office
    Local area
    Shift work
    Weekend work
    Afternoon shift

    WVU Medicine

    Waynesburg, PA
    2 days ago
  •  ..., product stocking, and other retail support activities. Typical projects range from 12–20 hours per month, with some retailer locations requiring service during the first two weeks of each month. If you enjoy working independently, staying active, and delivering high... 
    Suggested
    Extra income
    Contract work
    For contractors
    Flexible hours
    Weekday work

    Spar Group

    Waynesburg, PA
    2 hours ago
  •  ...Address: UPMC Greene (350 Bonar Avenue, Waynesburg, Pa 15370) ~ Hours per week: Full Time/ 40 hours per week Primary day shift, between the...  ...30p or 730a-6pm: 8-hr shifts being 7a-330p, 7:30a to 4pm, or 9:30 a-6p: half shifts being 7a-11a) ~ Days: Varied days, evenings... 
    Suggested
    Full time
    Work at office
    Shift work
    Weekend work
    Day shift
    Afternoon shift

    UPMC

    Waynesburg, PA
    2 days ago
  •  ...SmartDollar Program Associate Assistance Program RK Cares...  ...Suite. Flexibility with hours: ability to work a 50-hour workweek (10-hour shifts, 5 days per week) with varied hours, days,...  ...push, and/or pull a minimum of 30 pounds repetitively and 31-50... 
    Suggested
    Work at office
    Local area
    10 hours per week
    Flexible hours
    Shift work
    Night shift
    Weekend work

    Rural King

    Amity, PA
    1 day ago
  •  ...Provide guidance, direction and specialized assistance for the resolution of difficult project...  ...• Assist in bid schedule creation per client requirements • Interface with clients...  ...policies. Work during normal operating hours to organize and complete work within given... 
    Suggested
    Full time
    Contract work
    For contractors
    Relocation
    Weekend work

    Kiewit Corporation

    Carmichaels, PA
    3 days ago
  •  ...~ Flexible Schedules ~ Weekly Pay ~ Weekly Bonus Potential...  ...and/or walk for up to 8 hours Lift and/or carry up to 30 pounds from ground to...  ...with arms up to a force of 20 pounds Bend at the waist...  ...Representative if you need assistance completing any forms or to... 
    Weekly pay
    Temporary work
    Local area
    Flexible hours
    Shift work

    Circle K

    Carmichaels, PA
    1 day ago
  • $14 - $27 per hour

     ...Hourly Wage: $14 - $27 per/hour *The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual or quarterly performance incentives. Additional compensation in the form of premiums... 
    Hourly pay
    Minimum wage
    Full time
    Temporary work
    Part time
    Shift work
    Night shift

    Walmart

    Waynesburg, PA
    2 days ago
  •  ...experience and flag any issues or anomalies. 25/hour minimum, with higher pay for faster,...  ...work. Performance bonuses available. Weekly payouts via direct deposit. Own a laptop...  ...from home on a flexible schedule, 5 to 20 hours per week. Complete a short application with... 
    Remote work
    Work from home
    Flexible hours

    Reeledge

    Amity, PA
    4 days ago
  • $12 per hour

     ...Waynesburg, PA. As a student worker, you will have the opportunity to assist with the production and service of all food for the dining area...  ...you'll be working: Waynesburg University Compensation $12 per hour Our Benefits: ~ Medical (FT Employees) ~ Dental ~... 
    Hourly pay
    Work at office

    Elior

    Waynesburg, PA
    5 days ago
  • $16 per hour

     ...unlimited earning potential with $16/hour base pay and uncapped...  ...expectations and top performers earn $30+/hour! As aMobile Expertyou'...  ...(AI)-based tools to assist with certain stages, including...  ...Post Information* : Posted Date2 weeks ago(7/30/2026 8:31 PM) ID2026... 
    Full time
    Start working today
    Flexible hours

    OSL Retail Services

    Waynesburg, PA
    1 day ago
  • $15 - $19 per hour

     ...while remaining current with all updated services and tools Assisting pharmacy personnel when needed, including working regular...  ...diploma or equivalent preferred but not required. Anticipated Weekly Hours: 29 Time Type: Part time Pay Range: $15.00 - $19.00... 
    Hourly pay
    Full time
    Part time
    Local area
    Flexible hours
    Shift work

    CVS Health

    Waynesburg, PA
    5 days ago
  •  ...best and moves you forward. Choose your hours. Pursue your education. Build your skills...  ...and build your future with college tuition assistance, valuable job training, and retirement...  ...Requirements: Managers lead shifts every week, making sure customers get a fast,... 
    Temporary work
    Local area
    Flexible hours
    Shift work

    McDonald's

    Waynesburg, PA
    1 day ago
  •  ...requests, manage stop payment requests, and assist clients with the Bank's online...  ..., which may include branch locations, administrative offices, and client-facing areas. Employees...  ...The Bank maintains a standard 40-hour work week to ensure operational consistency and... 
    Work at office
    Flexible hours
    Shift work

    Community Financial System, Inc.

    Waynesburg, PA
    4 days ago
  •  ...dependable individual who wants to be part of our sales team. The 2nd Assistant Manager is an entry level part-time management role that will...  ...it arrives. What are the perks: ~ Employee Discount - 30% off!!! ~ Flexible Schedule. ~ Competitive Pay. ~... 
    Part time
    Local area
    Flexible hours

    Shoe Sensation

    Waynesburg, PA
    1 day ago
  •  ...University. RESPONSIBILITIES: The Library Assistant (Part-Time) supports the academic mission...  ...during at least two evening shifts per week. THE UNIVERSITY: Waynesburg University is...  ...institutions. The Waynesburg campus is located one hour from Pittsburgh. Waynesburg University is... 
    Full time
    Part time
    Work at office
    Immediate start
    Afternoon shift

    Waynesburg University

    Waynesburg, PA
    a month ago
  • $26.47 - $43.62 per hour

     ...mail in addition to other clerical functions. This position also assists the public with general mailing needs, such as completing a...  ...Job Overview Starting salary ranges from $26.47 to $43.62 per hour; $72,400 per year average pay with full benefits Benefits include... 
    Hourly pay
    Full time
    Currently hiring
    Work at office

    Postal Jobs Source (a division of Labor Services)

    Rogersville, PA
    1 day ago
  •  ...Starting salary ranges from $26.47 to $43.62/hour, with $72,400/year average pay and full benefits...  ...Clerk - Clerks sell stamps, handle mail, and assist customers with postal services. The Postal Service operates over 30,000 locations and delivers over 170 billion pieces... 
    Full time

    US Postal Service

    Waynesburg, PA
    4 days ago
  •  ...Starting salary ranges from $26.47 to $43.62/hour, with $72,400/year average pay and full benefits...  ...Clerk - Clerks sell stamps, handle mail, and assist customers with postal services. The Postal Service operates over 30,000 locations and delivers over 170 billion pieces... 
    Full time

    US Postal Service

    Rogersville, PA
    4 days ago
  • $16 - $18 per hour

     ...Waynesburg, PA 15370 Overview Salary Range $16.00 - $18.00 Hourly Position Type Full Time Job Shift Day Education Level High School...  ...our team. Make a difference as we seek those who want to assist us in fulfilling our mission: "To improve the health of our patients... 
    Hourly pay
    Daily paid
    Full time
    Flexible hours
    Shift work

    Cornerstone Care Community Health Centers

    Waynesburg, PA
    2 days ago
  •  ...take pizzas during the hungry hours of the day and night, part or full...  ...deliveries are made twice a week or more and are unloaded by the...  ...Occasionally, pizza sauce weighing 30 pounds is carried from the...  ...weigh approximately 12 pounds per tray. Pushing · To move trays... 
    Extra income
    Full time
    Part time
    Second job
    Work at office
    Flexible hours
    Night shift

    Domino's Franchise

    Carmichaels, PA
    10 days ago
  •  ...Administrative Specialist 1 Waynesburg, PA 15370 Description Comprehensive benefits package • Tuition discounts • Career advancement...  ..., with a high degree of accuracy. Ability to occasionally assist, move and/or transfer office supplies weighing up to 25 pounds... 
    Part time
    Work at office

    Southwestern Pennsylvania Human Services

    Waynesburg, PA
    2 days ago
  •  ...CARMICHAELS AREA SCHOOL DISTRICT SEEKS APPLICANTS FOR A FULL-TIME BUSINESS OFFICE ADMINISTRATIVE ASSISTANT BEGINNING IMMEDIATELY. Duties include, but are not limited to, general secretarial work, assistance with payroll, accounts payable, and accounts receivable... 
    Full time
    Work at office
    Immediate start

    Carmichaels Area School District

    Carmichaels, PA
    3 days ago
  •  ...Scheduling ~ Tuition Reimbursement ~ Employee Assistance Program ~ Additional benefits for FT...  ...role and involves working a variety of hours, day and night, as Coen Markets, LLC...  ...Part-time (up to 29 hours), Full-time (30-40 hours) Travel: 5%. May be asked... 
    Full time
    Part time
    Immediate start
    Flexible hours
    Night shift
    Weekend work

    EG America

    Waynesburg, PA
    3 days ago
  •  ...genuine, trustworthy, and sincere. Ollie's Associate Benefits: ~20% employee discount ~ Flexible Schedule ~ Strong career...  ...needs and individual performance. Primary Responsibilities: Assist with setting up and preparing a new store location prior to opening... 
    Flexible hours
    Weekend work
    Afternoon shift

    Ollie's Bargain Outlet

    Waynesburg, PA
    3 days ago
  •  ...customers and other departments of the Bank assisting with inquiries regarding existing loan...  ..., post close processing or escrow administration is a plus. Key Competencies:...  ...: The Bank maintains a standard 40-hour work week to ensure operational consistency and... 
    For contractors
    Work at office
    Shift work

    Community Bank NA

    Waynesburg, PA
    3 days ago
  •  ...Description Blueprints is hiring a Teacher Assistant - Dry Tavern location...  ...their individual abilities.  WORK WEEK: ~ Monday – Friday 7:30 AM– 3:00 PM BRIEF DESCRIPTION OF...  ...management. Monitor children’s progress per the goals developed by self and other... 
    Monday to Friday

    Blueprints

    Rices Landing, PA
    14 days ago
  •  ...customer. Duties include, but are not limited to, the following: Assist customers with questions and recommendations Manage sales...  ...documents is required Must be able to lift between 30 and 50 lbs. from floor to above shoulder height and meet demands... 
    Contract work
    Part time
    Local area

    Dollar Tree

    Waynesburg, PA
    5 days ago
  • $23.47 - $38.62 per hour

     ...accepting applications for Mail Handler Assistants nationwide. This position is open to...  ...Starting Pay Rate : $23.47 - $38.62 per hour Average Annual Compensation : Up to...  ...Clerical Work : Support USPS operations with administrative tasks Service Support : Assist... 
    Hourly pay
    Flexible hours

    Postal Jobs Resource

    Waynesburg, PA
    more than 2 months ago
  • $23.47 - $38.62 per hour

     ...Openings : Nationwide Starting Pay : $23.47 - $38.62 per hour Annual Compensation : Up to $72,400 with full benefits...  ...: Ensure mail is processed and routed accurately Customer Assistance : Provide support for mailing inquiries and services Clerical... 
    Hourly pay

    Postal Jobs Resource

    Waynesburg, PA
    more than 2 months ago
  • $14 - $27 per hour

     ...Hourly Wage: $14 - $27 per/hour *The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual or quarterly performance incentives. Additional compensation in the form of premiums... 
    Hourly pay
    Minimum wage
    Full time
    Temporary work
    Part time
    Shift work
    Day shift

    Walmart

    Waynesburg, PA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Administrative Assistant (20-30 hours per week). Be the first to apply!