Jobs at Kelly Services in Saint Charles, MO

34 job openings within 25 miles

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Chemistry Lab Technician (2 roles available!)

Kelly Services - St. Louis, MO

Join Our Team as a Lab Technician in our Chemistry Lab - Make a Difference in Healthcare! Are you a detail-oriented and motivated individual with a passion for chemistry and quality? Join our growing medical device company and play a vital role in ensuring the safety and effectiveness of our life-changing products! We are currently seeking two enthusiastic

Substitutes – KIPP St. Louis

Kelly Services - St. Louis, MO

We are hiring Substitute Teachers. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students continue to learn and grow every day. Substitute teachers ma...

Substitutes – Gateway Science Academy

Kelly Services - St. Louis, MO

We are hiring Substitute Teachers. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students continue to learn and grow every day. Substitute teachers ma...

Substitute School Nurse–Maplewood School District

Kelly Services - St. Louis, MO

Now hiring Substitute School Nurses for the 2025-26 School Year! School Nurses have never been more essential. Don't miss this meaningful opportunity to help students stay strong and healthy, so they can continue learning. Working in a school district is rewarding! We would love for you to join our team. Minimum requirements:<...

Substitutes – Ladue Schools

Kelly Services - St. Louis, MO

We are hiring Substitute Teachers. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students continue to learn and grow every day. Substitute teachers ma...

Substitutes – Maplewood Richmond Heights Schools

Kelly Services - St. Louis, MO

We are hiring Substitute Teachers. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students continue to learn and grow every day. Substitute teachers ma...

Substitutes School Nurse– KIPP St. Louis

Kelly Services - St. Louis, MO

Now hiring Substitute School Nurses for the 2025-26 School Year! School Nurses have never been more essential. Don't miss this meaningful opportunity to help students stay strong and healthy, so they can continue learning. Working in a school district is rewarding! We would love for you to join our team. Minimum requirements:<...

Process Engineer – API Manufacturing

Kelly Services - St. Louis, MO

Lead API Scale-Up in a Cutting-Edge GMP Facility! Title: Process Engineer – API Manufacturing Location : St. Louis, MO Pay Rate : $45-50/hr. Contract-to-Hire About the Role We're seeking a Process Engineer with 3-7 years' experience in GMP API ma...

Quality Engineer

Kelly Services - St. Louis, MO

Kelly Engineering is hiring for a Quality Engineer role with a renowned Medical Device company in the St. Louis, MO area. This Quality Engineer will develop and establish inspection and measurement methodologies for components and subassemblies. The role is a 6-month contract role with an average pay of $35 / hour. Responsibilities: Develop, establ...

Accounts Payable Specialist

Kelly Services - Chesterfield, MO

Job Title: Accounts Payable Processor Location: Chesterfield, MO Schedule: Monday – Friday, 7:00 AM – 4:00 PM (Onsite) Assignment Type: Contract-to-Hire Compensation: $20.00/hour (based on experience) About the Role Kelly Services is hiring an Accounts...

Cash Applications/AR Specialist

Kelly Services - Chesterfield, MO

Job Title: Cash Applications Specialist/Accounts Receivable Location: Chesterfield, MO Schedule: Monday – Friday, 7:00 AM – 4:00 PM (Onsite) Assignment Type: Contract-to-Hire About the Role Kelly Services is partnering with a leading company in Chesterfield, MO to hire a

Hiring Parkway Substitutes

Kelly Services - Chesterfield, MO

We are hiring substitutes in Parkway School District. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students continue to learn and grow every day. Substitute ...

Machine Operator

Kelly Services - Earth City, MO

Job Title: Machine Operator Location: Earth City, MO Pay Rate: $16.00/hour Job Type: Temp-to-Hire Shifts: Monday – Friday: 9:00 AM – 6:00 PM Tuesday – Thursday: 8:00 AM – 6:00 PM, Friday: 6:00 AM – 4:00 PM Job Overview

Warehouse Associate

Kelly Services - Granite City, IL

Location: Granite City, IL Schedule: Monday–Friday, 7:30 AM – 4:00 PM Pay Rate: $16.50/hour (pay increase upon conversion to permanent) Kelly Services is hiring motivated Warehouse Associates to join our client's team in Granite City, IL. This is a temp-to-hire opportunity with great long-term...

Environmental Laboratory Technician

Kelly Services - Saint Peters, MO

Kelly® Science & Clinical is partnering with a Missouri-based wastewater treatment facility to hire a Laboratory Technician. This role is essential for establishing and maintaining quality control processes to ensure environmental compliance, process optimization, and accurate reporting. The ideal candidate is a self-starter with strong technical writing skills who thrives i...