Machinist III

primesourceexternalcareers; Pennsylvania; On-site; USD 33,000 - 52,000; Full time

Benefits offered by this job

Overtime pay

Training & mentoring

Job summary

PrimeSource is seeking a skilled Machinist 3 to lead complex setups on Citizen Swiss CNC lathes, edit G-code, and train junior machinists. This role requires a proactive approach to quality and continuous improvement in a high-mix, high-precision shop.

Based in Pennsylvania, this full-time, hourly position offers overtime and opportunities to collaborate with engineering and programming teams on new products, process improvements, and safe, efficient manufacturing.

Qualifications

• Minimum 5–7 years hands-on experience with Citizen Swiss-style CNC lathes.
• Strong proficiency in blueprint reading, GD&T, and advanced inspection techniques.
• Solid understanding of G-code programming and CNC controls (Fanuc).
• Experience in regulated manufacturing environments (medical, aerospace, automotive) desirable.
• Ability to work independently and manage multiple priorities in a fast-paced shop.

Responsibilities

• Lead complex setups and changeovers on Citizen Swiss CNC machines (L-Series, M-Series, A32).
• Edit and troubleshoot G-code programs to ensure optimal machine performance and part quality.
• Develop and document setup sheets, tooling requirements, and best practices for repeatability.
• Optimize cutting parameters and cycle times to maximize efficiency without sacrificing quality.
• Collaborate with engineering and programming teams to launch new products and improve processes.
• Conduct first-article inspections and validate new setups against drawings and specifications.
• Train, mentor, and provide technical guidance to Machinist I and II team members.
• Ensure machines are properly maintained and recommend tooling or upgrades as needed.
• Maintain a clean and safe work environment adhering to all safety standards.

Skills

CNC programming

G-code

Blueprint reading

Problem-solving

Leadership

Education

High school diploma or GED

Technical certificate / associate degree preferred

Tools

Citizen Swiss CNC lathe

Esprit CAD/CAM

Job description

Job Description

Machinist 3

Machinist 3 will be responsible for advanced machine setup, programming support, process optimization, and mentoring junior machinists. This team member brings a strong technical background, a commitment to quality, and a proactive approach to continuous improvement in a high-mix, high-precision manufacturing environment.

Status: Hourly Non-Exempt Position Type: Full-time (Occasional Overtime Required)

Hours: 40 hrs Schedule: M-F

Reports to: KeyLink Production Manager

Key Roles

• Utilize advanced Machinery and software through operating CNC & Secondary Machinery
• Ensure Quality of parts and process
• Working to Standard
• Machine breakdown and setup
• Training team members (Machinist 1 & Machinist 2)
• Guarantee home keeping needs are met
• Advanced mechanical problem solving
• Machine programming

Key Competencies

• Willingness to learn and follow directions
• Team Player: committed to improving, learning, and collaborating with others
• Problem-solving and continuous improvement mindset
• Ability to collaborate and communicate effectively across departments
• Active prioritization of company mission, values, and culture

Duties and Responsibilities

• Lead complex setups and changeovers on Citizen Swiss CNC machines (e.g., L-Series, M-Series, A32, etc.)
• Edit and troubleshoot G-code programs to ensure optimal machine performance and part quality
• Develop and document setup sheets, tooling requirements, and best practices for repeatability
• Optimize cutting parameters and cycle times to maximize efficiency without compromising quality
• Work closely with engineering and programming teams to launch new products and improve existing processes
• Conduct first-article inspections and validate new setups against drawings and specifications
• Train, mentor, and provide technical guidance to Machinist I and II team members
• Collaborate with Quality and Production teams to resolve machining or quality-related issues
• Ensure machines are properly maintained and recommend tooling or equipment upgrades as needed
• Maintain a clean and organized work environment and ensure adherence to safety standards

Qualifications

• High school diploma or GED required; technical certificate or associate degree preferred
• Minimum 5–7 years of hands-on experience with Citizen Swiss-style CNC lathes
• Strong proficiency in blueprint reading, GD&T, and advanced inspection techniques
• Solid understanding of G-code programming and CNC controls (Fanuc)
• Proven track record of successful process improvements, setup reduction, and troubleshooting
• Experience in a regulated manufacturing environment (medical, aerospace, automotive) is highly desirable
• Ability to work independently and manage multiple priorities in a fast-paced shop
• Strong communication and leadership skills

Preferred Qualifications:

• Experience with CAD/CAM software (e.g., Esprit)
• Familiarity with lean manufacturing, 5S, or Six Sigma principles
• Prior supervisory or team lead experience is a plus
• Machine Safety Training (Machine Guarding Principals, OSHA 10Hr)

Work Environment

While performing the duties of this job, the employee regularly works in a manufacturing setting. May be subject to the current local weather conditions.

Machinist 3