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STS Technical Services is hiring CNC Machinists for 2nd Shift in Brookfield, Wisconsin. If you can set up, program, and run complex parts with confidence, this is your lane.

This is a production-driven environment where precision matters, output matters, and your ability to handle both separates you from everyone else.

CNC Machinist Job Overview

Job responsibilities include performing setup, operation, and programming of complex machined components across a range of industries. You will play a key role in delivering high-quality parts while maintaining efficiency across the production floor.

Essential Job Duties

• Set up all repeat jobs that are fully documented, ensuring consistency and adherence to established procedures.
• Run first-piece parts to meet print specifications and validate setup accuracy.
• Program CNC machines and perform edits to optimize performance and part quality.
• Conduct manual inspections of parts using inspection sheets and established criteria.
• Read and interpret blueprints at a medium to high level, applying inspection protocols and completing required documentation.
• Apply knowledge of Geometric Dimensioning and Tolerancing (GD&T) to ensure precision and compliance with tolerances.
• Operate multiple machines simultaneously within a production cell to maximize efficiency.
• Utilize advanced shop math, including trigonometry and geometry, to support machining operations and problem-solving.
• Mentor and train operators to promote skill development and consistency in repetitive tasks.
• Perform additional duties as assigned to support production and team objectives.

Qualifications

• A Highschool diploma/CNC technical diploma preferred
• 5+ years machining experience
• Mechanical interest/aptitude
• Good math skills
• A willingness to learn and grow

Why Work with STS Technical Services

• 10 Paid Holidays
• Serviced Base PTO
• Gainsharing
• Medical, Dental, Vision Insurance and more!
• On-site Fitness Center & Medical Clinic
• Weekly Pay
• Company Provided Uniforms and Safety Shoe Allowance
• Performance Merit Raises
• Climate Controlled Environment
• Free Employee Coffee

About STS Technical Services

STS Technical Services is a Top 100 Staffing Firm that partners with some of the largest names in aviation, manufacturing, defense, and industrial operations. We offer direct hire, contract, and temp-to-perm career opportunities with industry-leading benefits and professional support every step of the way.

#IndeedSTS

STS Technical Services is hiring CNC Machinists for 1st Shift in Brookfield, Wisconsin. If you can set up, program, and run complex parts without babysitting the machine, this is where you prove it.

This role is built for machinists who understand precision, can read prints without guessing, and know how to keep production moving without sacrificing quality.

CNC Machinist Job Overview

Job responsibilities include performing setup, operation, and programming of complex machined components across a range of industries. You will play a key role in ensuring parts are produced accurately, efficiently, and to specification.

Essential Job Duties

• Set up all repeat jobs that are fully documented, ensuring consistency and adherence to established procedures.
• Run first-piece parts to meet print specifications and validate setup accuracy.
• Program CNC machines and perform edits to optimize performance and part quality.
• Conduct manual inspections of parts using inspection sheets and established criteria.
• Read and interpret blueprints at a medium to high level, applying inspection protocols and completing required documentation.
• Apply knowledge of Geometric Dimensioning and Tolerancing (GD&T) to ensure precision and compliance with tolerances.
• Operate multiple machines simultaneously within a production cell to maximize efficiency.
• Utilize advanced shop math, including trigonometry and geometry, to support machining operations and problem-solving.
• Mentor and train operators to promote skill development and consistency in repetitive tasks.
• Perform additional duties as assigned to support production and team objectives.

Qualifications

• A Highschool diploma/CNC technical diploma preferred
• 5+ years machining experience
• Mechanical interest/aptitude
• Good math skills
• A willingness to learn and grow

Why Work with STS Technical Services

• 10 Paid Holidays
• Serviced Base PTO
• Gainsharing
• Medical, Dental, Vision Insurance and more!
• On-site Fitness Center & Medical Clinic
• Weekly Pay
• Company Provided Uniforms and Safety Shoe Allowance
• Performance Merit Raises
• Climate Controlled Environment
• Free Employee Coffee
• Relocation assistance available

About STS Technical Services

STS Technical Services is a Top 100 Staffing Firm that partners with some of the largest names in aviation, manufacturing, defense, and industrial operations. We offer direct hire, contract, and temp-to-perm career opportunities with industry-leading benefits and professional support every step of the way.

#IndeedSTS

Location: Brookfield, Wisconsin
Employment Type: Contract-to-Hire or Direct Hire
Company: STS Technical Services
Shifts Available: 1st Shift (6:00 AM – 4:30 PM) and 2nd Shift (4:30 PM – 3:00 AM), Monday through Friday, 10-hour shifts

Position Summary

STS Technical Services is hiring CNC Machinists (Levels I–IV) in Brookfield, Wisconsin. This role involves the setup, operation, and programming of CNC machines to produce complex components for various industries. Opportunities are available on both 1st and 2nd shifts, and compensation will reflect experience and skill level.

Whether you’re just starting out or have advanced machining and programming expertise, we’re looking for driven individuals ready to contribute in a fast-paced, team-oriented manufacturing environment.

Essential Duties & Responsibilities

Level I – Entry Level CNC Operator:

• Operate CNC machine tools
• Inspect parts for conformance to specifications
• Follow written and verbal job instructions
• Perform repetitive machining tasks
• Operate multiple machines in a production cell
• Understand basic blueprints and perform basic math
• Maintain reliable attendance

Level II – CNC Operator:

• Operate CNC machines and make offset adjustments based on setup instructions
• Assist with machine setups under supervision
• Read and interpret basic blueprints and inspection protocols
• Understand GD&T concepts
• Train or mentor Level I team members

Level III – Intermediate CNC Machinist:

• Independently set up fully documented repeat jobs
• Run first pieces to print specifications
• Perform manual inspections and interpret blueprints at a higher level
• Edit or create CNC programs
• Apply advanced math (trigonometry/geometry)
• Mentor other operators

Level IV – Senior CNC Machinist:

• Set up complex jobs from scratch and document the process for future runs
• Perform advanced machining and diagnostics
• Program or edit machine code
• Interpret blueprints and GD&T at a high level
• Lead and mentor CNC Operators and Machinists
• Operate multiple machines within a production cell

Required Qualifications

Level I:

• High school diploma required; CNC Technical Diploma preferred
• Up to 1 year of machining experience
• Basic computer skills

Level II:

• High school diploma required; CNC Technical Diploma preferred
• 2+ years of machining experience
• Familiarity with CNC tools, software, and machine offsets

Level III & IV:

• High school diploma required; CNC Technical Diploma preferred
• 5+ years of machining experience, including programming and advanced setups
• Ability to independently set up, program, and troubleshoot machines

Skills & Competencies

• Mechanical aptitude and strong math skills
• Willingness to learn and grow within the role
• Strong understanding of blueprints and GD&T (higher levels)
• Familiarity with ERP systems and shop floor software (preferred)

Physical & Environmental Demands

• Must be able to stand continuously for up to 10 hours
• Frequent bending, twisting, reaching, and lifting (up to 50 lbs occasionally, 30 lbs frequently)
• Exposure to loud environments, fumes, and mechanical parts
• Vision requirements include close, distance, color, peripheral, and depth perception
• Climate-controlled factory environment with occasional exposure to humidity and airborne particles

About STS Technical Services

STS Technical Services is a Top 100 Staffing Firm that partners with some of the largest names in the aerospace, manufacturing, defense, and industrial sectors. We provide direct hire, contract, and contract-to-hire staffing solutions that connect skilled professionals with career-advancing opportunities.

#IndeedSTS