Machinist / CNC Operator

Mako Recruiting LLC • West Saint Clair Township, PA

8d • Onsite

About The Position

Mission Critical Solutions (MCS) is seeking a skilled Machinist / CNC Operator to support precision manufacturing of custom components for defense, infrastructure, and industrial applications. The ideal candidate has hands-on experience in setup, operation, and basic programming of CNC lathes and mills, and is comfortable working from technical drawings and CAD/CAM files to produce tight-tolerance parts in steel, aluminum, and specialty alloys. This position plays a key role in producing parts that meet ISO 9001 and CMMC quality standards for MCS’s Critical Equipment product line, including TL-4 rated road barrier systems, mobile power platforms, and precision-fabricated assemblies.

Requirements

• 2+ years of CNC machining or equivalent technical experience.
• Demonstrated ability to read and interpret complex engineering drawings.
• Strong mechanical aptitude and attention to detail.
• Ability to work independently and as part of a cross-functional team.
• Must meet eligibility requirements for work on defense-related contracts (U.S. citizenship required).

Nice To Haves

• Proficiency with G-code, Fanuc, Haas, or Siemens controls.
• Experience using CREO or GIBBSCAM for toolpath creation preferred.
• Ability to make on-machine program edits and optimizations.
• 3- and 4-axis milling, turning, drilling, and tapping of steels, aluminum, and specialty materials.
• Understanding of feeds, speeds, and tooling selection.
• Have some experience with manual mills and lathes.
• Experience reading and working from 3D CAD models (STEP/IGES/SolidWorks).
• Ability to provide feedback to engineering on model-to-part transition issues.
• Familiarity with ISO 9001 documentation and quality control practices.
• Use of CMM or optical inspection systems is a plus.
• Trade school diploma or associate degree in Machining Technology, Manufacturing Engineering, or related field preferred.

Responsibilities

• Set up and operate CNC mills, lathes, and manual machines to produce precision parts per engineering drawings and specifications.
• Read and interpret blueprints, GD&T drawings, and process sheets to determine machining requirements.
• Create, edit, and optimize CNC programs using G-code and/or CAM software.
• Verify part dimensions using precision measuring instruments (micrometers, calipers, height gauges).
• Perform tool setup, offsets, and fixture alignment to ensure part accuracy and repeatability.
• Maintain machine cleanliness, lubrication, and safety standards.
• Collaborate with engineering and fabrication teams to resolve design or manufacturability challenges.
• Contribute to continuous improvement efforts in productivity, quality, and safety.
• Document production runs and inspection results in accordance with internal quality procedures.

Benefits

• Competitive hourly wage based on experience.
• Overtime opportunities and performance incentives.
• Health, dental, and vision insurance.
• 401(k) plan with company match.
• Paid time off and holidays.
• Opportunities for training and advancement in advanced manufacturing and engineering support roles.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree