Marc Hewitt

CNC Shop Manager/Production and assembly

Work History

Work History
Sep 2007 - Feb 2015

Manager of production and and assembly

Transonic Combustion
  • Supervisor of complete CNC machine shop and assembly of parts. (CNC Mill/Lathes, ID/OD Grinders, EDM Sinker, Hone, Heat treating)
  • Create and maintain a build schedule that lists all fabrication and assembly tasks. Ensure that all parts are fabricated or purchased at the correct time to meet assembly schedules.
  • Work with design engineers and external vendors to make parts that are designed for manufacturability and built on schedule.
  • Resolve and analyze manufacturing discrepancies and interface with QC.
  • Develop production procedures/processes and manage the transition of parts and assemblies from development to production.
  • Run process improvement projects to continuously improve production processes on the shop floor.
  • Set up and operate a variety of manual and CNC machine tools to produce or modify precision parts.
  • Utilize Mastercam software for generation of machine programming from solid models and drawings.
  • Use PDM system for control of documents
  • MRP software for part routers.
  • Root cause analysis
  • GD&T tolerances..
  • Metric
  • ISO geometrical tolerancing.
  • Many exotic materials (inconel, Ultimet, Nitronic 60, Titanium, Invar)
Oct 2003 - Sep 2007

CNC Shop Manager

Jonrad MFG.

Manage CNC Job shop. Program and set up CNC mills and Lathes.

Supervise 1st. and 2nd shift employees. Maintain part schedules.

Work with Engineers to make sure all parts meet QC requirements.

Quote jobs

Jan 2003 - Oct 2003

CNC Machinist

JBW Precision

Program ,setup, run Haas CNC mills.

Oct 2001 - Dec 2002

CNC Supervisor

Airborn Technologies Inc.

Assign work to machine shop. Order all tooling and materials needed to complete jobs.

Assist in quoting of jobs.

Setup CNC mills.

May 1993 - Aug 2001

CNC Machinist/Programmer

BNL Precision

Program and set up CNC mills

Make parts to blueprint requirements

Oct 1986 - Nov 1991

Leadman in Prototype Machine shop

Northrop Corp.

Assign work and see that it is performed to Northrop quality standards.

Operate CNC and manual machines.

Work with design engineers to meet requirements.

Sep 1979 - Mar 1986

Prototype Machinist

Westlake Precision Products

Machine Parts to blueprints

Run Mills, Lathes, Grinders



General Coarses including Blueprint Reading and elements of supervision.

Moorpark College
Sep 1979 - Jun 1982

Fire Tecnology

Oxnard College



CNC programming and set up. Job quoting