**Job Title: 2ND SHIFT Production Operator** **Job Description** As a Machine Operator in our machine shop, you will perform essential heat treating operations by subjecting metal parts to processes such as annealing. You will be responsible for arranging materials on tables for manual feeding and ensuring optimal heat distribution during the process. **Responsibilities** + Set thermal couples and prepare loads for optimal heat distribution under guidance. + Load batch loads to ensure optimum productivity. + Set up and operate heat treat ovens. + Ensure quality by observing the condition and position of materials during the process. + Start and shut down furnaces by setting controls, valves, and lighting pilots and burners. + Ensure accuracy and uniformity in heat treat processes. + Prepare parts for loading into the furnace, including wiping and final cleaning as required. + Report any unusual conditions in operations, equipment, or materials to the supervisor. + Understand and adhere to company procedures and work instructions. **Essential Skills** + Ability to read and understand complicated designs and drawings. + Ability to apply common sense understanding to carry out detailed written or oral instructions. + Ability to take hardness measurements and document results. + Ability to compute rate, ratio, and percent and interpret bar graphs. + High attention to detail. + Basic knowledge and interpretation of technical drawings. **Additional Skills & Qualifications** + Blueprint reading. + Machine operating. + Experience with manual grinders. + Familiarity with machining and programming. **Why Work Here?** Join a family-owned company with a great culture that values flexibility and is committed to training and development. We offer opportunities for advancement through training such as Mastercam training and provide regular raises as you learn and grow. **Work Environment** The work environment is a machine shop setting where you will work with various machine tools and equipment. You will follow specific company procedures and work instructions to maintain high-quality standards. **Job Type & Location** This is a Contract to Hire position based out of Saint Charles, MO. **Pay and Benefits** The pay range for this position is $18.00 - $19.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) **Workplace Type** This is a fully onsite position in Saint Charles,MO. **Application Deadline** This position is anticipated to close on Feb 27, 2026. **About Aerotek:** We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies’ construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow. Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.