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CNC Machinist III

Kennebunkport, ME · On-site

$21.25 - $29/hr

CNC Machinist - Level III Position Summary The Machinist III is responsible for manufacturing complex, detailed components and tooling from blueprints, sketches, models, or verbal instructions. This ...

Semiserve

Administrative Assistant

Midland, TX

$18.50 - $25/hr

* Provides administrative support to a department or individual. * Duties include greets visitors, handles incoming calls and performs general administrative duties. * May also assist other ...

Semiserve

Structural Designer

Houston, TX · On-site

Structural Engineer Location: Houston, TX Duration: 6+ months to begin - potential to extend Client : EPC Responsibilities: • Initiates development of personal objectives aligned with those of the ...

Semiserve

Process Engineer

Houston, TX

Process Engineer Client: EPC Location: Houston, TX Duration: 1 year and possible Permanent Position Benefits: Health, Vision, Dental, and 401K Supporting: Grassroots Project Process Engineer to ...

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Transformer Technician

Humboldt, TN · On-site

$17.75 - $24.25/hr

Transformer Service Technician We're looking for a hands-on Transformer Service Technician to support our field service team in preparing equipment, setting up job sites, and helping execute work in ...

Semiserve

Sr Project Manager, Costa Mesa

Costa Mesa, CA · On-site

Senior Project Manager - HVAC/Plumbing/Process Location: Costa Mesa, CA Employment Type: Full-Time About the Role We are seeking a Senior Project Manager to lead HVAC, plumbing, and process projects ...

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Procurement Specialist

Donaldsonville, LA · On-site

Procurement Specialist Client: Plant Location: Donaldsonville, La Duration: Long term, ongoing Benefits: Health, Vision, Dental, 401K, PTO & Paid Holidays Schedule: 9/80 (Every other Friday off ...

Semiserve

Electrical Designer

Coraopolis, PA · On-site +1

Overview An exciting opportunity is available for an experienced Electrical Designer to support cutting-edge projects across advanced manufacturing environments. This role offers the chance to ...

Semiserve

Contracts Specialist

Houston, TX · On-site

We are seeking an experienced Contract Specialist to support the procurement, negotiation, and administration of Information Technology (IT) Software agreements. This role will be responsible for ...

Semiserve

Office Assistant

Chattanooga, TN · On-site

$15.25 - $20/hr

Office Assistant (Onsite - Full-Time) Location: Onsite Chattanooga, TN We are seeking a highly organized and dependable Office Assistant to support daily office operations in a professional, fast ...

Semiserve

Quality Control Manager

Lemoore, CA

Job: QC Manager Location: Lemoore, CA (93245) Schedule: Monday-Friday Pay: $130,000 - $135,000 Duration: Direct Hire Overview I'm working with a well-established, family-owned national Design-Build ...

Semiserve

Administrative Assistant

Martinez, CA · On-site

$33/hr

PTS Advance is looking for a savvy, detail oriented, quick study to fill a roll as Administrative Assistant in Martinez, CA. This role will provide high-quality organizational, administrative, and ...

Semiserve

Process Control Engineer

Pasadena, TX · On-site

Job Title: Entry-Level Process Control Engineer Location: Seabrook Job Type: Contract to Hire Position Overview A leading global chemical manufacturing company is seeking a motivated, entry-level ...

Semiserve

CA · On-site

PTS Advance has and immediate need for a Project Manager with strong construction background. You will be responsible for the coordination, execution, and successful completion of construction ...

Semiserve

Process Engineer

Salt Lake City, UT · On-site +1

$35 - $65/hr

Our client provides full multi-discipline engineering, design, project management, procurement, and project management services to the refining and petrochemical industries. They are currently ...

Semiserve

Pump Mechanic

Compton, CA · On-site

$60K - $67K/yr

We have an immediate need for an Entry Level Mechanical for one of our Oil and Gas clients. Great direct hire position in South Gate, CA. The Entry Level Mechanic, under the direction of senior ...

Semiserve

Elec Test & Com Specialist

Richmond, VA

$21.75 - $29.75/hr

Substation Relay Technician Location: 100% Field-Based / Nationwide Travel Employment Type: Full-Time, Long-Term Assignment Travel: Extensive (100% travel unless relocation is approved) Schedule:

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Infographic showing various job openings at Semiserve in the United States as of June 2026, with employment types broken down into 16% Full Time, and 84% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

CNC Machinist III

Semiserve

Kennebunkport, ME • On-site

$21.25 - $29/hr

Full-time

Posted 25 days ago

Job description

CNC Machinist - Level III
 
Position Summary
The Machinist III is responsible for manufacturing complex, detailed components and tooling from blueprints, sketches, models, or verbal instructions. This role involves setting up and operating CNC mills, CNC lathes, manual machine tools, grinders, and related equipment while applying advanced mathematical and geometric calculations. The Machinist III ensures parts meet strict tolerances using precision measuring instruments and may support prototype development activities or assist engineering teams with new product designs and process improvements. Typical work includes setting up medium-complexity, new, or unproven parts as well as proven medium-to-high-complexity components.

Essential Duties & Responsibilities
  • Set up, operate, and maintain CNC milling and turning centers based on complex blueprints, models, and process specifications.
  • Access job information, including routings, drawings, tool lists, and work instructions.
  • Select appropriate cutting tools, fixtures, and workholding solutions for a variety of materials and machining processes.
  • Record part quantities, operations performed, and process data in the ERP system.
  • Perform precise dimensional measurements to verify conformance to tight tolerances and quality requirements.
  • Inspect completed parts, identify defects, and take corrective action when necessary.
  • Participate in continuous improvement efforts to enhance machining efficiency and tooling effectiveness.
  • Maintain a clean, organized, and safe work environment following all safety regulations.
  • Assist in developing machining processes and tooling strategies for complex components when required.
  • Perform additional duties as assigned.
Qualifications
Experience & Education
  • 6-8 years of related machining experience.
  • High school diploma or equivalent; additional technical or vocational training preferred.
Technical Skills
  • Strong attention to detail and craftsmanship.
  • Ability to interpret complex blueprints, customer specifications, and work instructions.
  • Skilled in the use of precision measuring tools (micrometers, calipers, height gauges, indicators, etc.).
  • Solid understanding of machining principles, feeds/speeds, cutting tools, and materials.
  • Proficient with basic computer functions and ERP data entry.
  • Strong problem-solving ability and troubleshooting skills.
  • Effective communication and teamwork skills.
  • Strict adherence to safety procedures and a commitment to maintaining a clean, organized work area.
  • Excellent math skills, including fractions, decimals, and dimensional calculations.
Physical Requirements
  • Ability to lift and move up to 50 lbs.
  • Ability to stand for extended periods.
  • Capable of reaching, handling, and manipulating parts and tools for long durations.
  • Adequate vision for close work, depth perception, and fine measurement tasks. #INDE
 

Education:Employment Type: FULL_TIME

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