Inside Machinist/CNC Programmer
Job ID: 2026-72
Date Posted: 2026-02-23T00:00:00
Location: Portsmouth, Virginia
Minimum Experience: 3 years
Education: High School Diploma or Equivalent

Epsilon Systems is seeking a full time Inside Machinist/CNC Programmer to be a part of our team in Portsmouth, VA.

Summary:
The Inside Machinist/CNC Programmer’s primary responsibilities include modelling and post processing of Manufacturing Projects requiring advanced High Speed CNC Machining G-Coding utilizing SolidWorks and Mastercam. The Machinist/CNC Programmer is responsible for CNC machine programming, setup and first article for multi-axis CNC mills and lathes, for both production and prototype components. Create, review, and edit computer numeric controlled (CNC) machining programs and maintain programming databases and files for each part and machining center

Duties and Responsibilities

1. Generation of CAM System wire and solid modelling files from blueprints/drawings.

2. CNC tool pathing with non-interference proofing.

3. CAM post editor file creation, organization and management.

4. Must have full understanding of G-code to perform edits or add lines of code for tool path correction once identified.

5. Upload and operator ready G-Code program solutions for safe CNC Turning and Machining Center production operations.

6. Design and generate program code and manufacturing processes for required project item specific fixturing and tooling.

7. Establish required purchased material and tooling for CAM supported projects

8. Read mechanical drawings and navigate technical work documents to produce submarine/shipboard components on CNC machines.

9. Ability to choose and install the correct cutting tools based on the machining operation tool list and material.

10. Able to use mathematical equations to calculate speeds and feeds based on material type to cut, turn, drill, mill, bore, tap, thread and ream components.

11. Familiar with machining non-ferrous materials such as Stainless steels, K-Monel, Inconel 625, Inconel 718, copper, brass, nylon, Teflon, 6061-T6 Aluminum, 4140, 4130, and various plastics.

12. Reads, interprets, understands and works to the requirements of mechanical drawings, sketches and work orders.

13. Must have full understanding of Geometric tolerance control frames, interpretation of geometric symbols and application of tolerances associated with those symbols.

14. Must be able to perform in-process and final inspections utilizing precision measuring instruments such as: Calipers up to 60 inches, outside micrometers up to 40 inches, inside micrometers, bore gages, thread gages, thread pitch micrometers, system 21 and system 22 thread check gages, height gages, groove micrometers, dial indicators, test indicators, co-axial indicators, surface comparators and other tools associated with first article and in-process inspections.

15. Indicate and secure machine implements such as: vises, rotaries, indexing heads, sin plates, sub plates, custom fixtures and work piece clamps

16. Sets up and operates saws, cut off saws, abrasive cut off saws, sheet metal brake, hydraulic press, hand press, radial-arm drill and belt sander.

17. Full understanding of tool offsets, work offsets, tool setters, work offset probes on CNC machining centers and CNC lathes.

Required Qualifications:

1. 3 years’ experience in CNC Operation

2. High school diploma or equivalent

3. CAD/CAM or programming experience.

4. Manual lathe and manual mill experience.

5. Well versed in High-Speed steel cutting tools, carbide grades, and carbide profiles to ensure optimal material removal rates.

6. Moderate understanding of metallurgy properties and material removal regarding roughing and finishing

7. Sound interpersonal skills needed to establish good communication with co-workers.

8. Ability to pass PQS 301 Craftsmen qualifications

9. Ability to read mechanical drawings

10. Ability to read technical work documents, technical manuals and maintenance standards

11. Ability to read, interpret, and follow detailed written instructions.

12. Ability to take instruction from machine shop supervision and execute tasks as instructed.

13. Obtain and maintain a secret security clearance

14. Pursuant to the various government contractual requirements, all applicants must be a U.S. Citizen

Preferred Qualifications:

1. Degree in Integrated Machining Technology

2. CMM operation

3. CAD/CAM or programming experience at the control.

4. Manual lathe and manual mill experience.

5. Experience in reverse engineering components

6. Well versed in High-Speed steel cutting tools, carbide grades, and carbide profiles to ensure optimal material removal rates.

7. Moderate understanding of metallurgy properties and material removal regarding roughing and finishing

8. Experience in high speed machining utilizing end mill flute length

ADA Notations:

Requires walking, reaching, sitting and concentration in the presence of occasional noise

Ability to move in narrow and restricted passageways, up/down steep and narrow ladders or stairways, and up and down antenna masts/yardarms (onboard ships)

Ability to lift, carry and move objects up to 50 lbs in weight

Office, warehouse, laboratory, pier side, shipboard

Noise conditions range from very quiet to loud

Epsilon Systems Solutions, Inc. is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.