About the role#
This is a hands-on co-op position for an engineering student who prefers learning by doing. You will work directly alongside experienced engineers and machinists on real production work. You will contribute to process improvements and create documentation that the team uses in their daily operations. This role provides exposure to 3-, 4-, and 5-axis machining, CNC programming, fixture design, and quality system requirements.
What you'll do#
- Assist with the creation, simulation, and verification of CNC programs for 3-, 4-, and 5-axis milling and turning centers.
- Support machine setups, prove-out runs, and first-article validation.
- Operate CNC machinery as needed to support prototype and production work.
- Support the design and fabrication of workholding and fixturing solutions.
- Collaborate with machinists and engineers to evaluate and refine fixturing approaches.
- Assist in documenting machining processes, tooling lists, and setup sheets.
- Help develop written work instructions for part manufacturing.
- Support updates to existing process documentation.
- Identify at least one continuous improvement opportunity and support its implementation.
- Participate in root cause analysis and corrective action activities for production issues.
- Contribute to improvement projects related to machine utilization, process capability, and workplace organization (5S).
- Help refine tool paths, cut strategies, and manufacturing processes.
- Support other departments such as Quality, Additive Manufacturing, and Assembly.
- Attend team meetings and contribute actively to discussions.
- Complete an end-of-term summary.
What you'll need#
- Currently enrolled in an accredited bachelor's degree program in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, or a related discipline.
- Completion of foundational coursework in manufacturing processes, materials, or engineering design is preferred.
- Basic exposure to machining principles and subtractive manufacturing concepts through coursework, lab work, or prior experience.
- Ability to read and interpret engineering drawings.
- Foundational understanding of GD&T.
- Exposure to CAM software such as hyperMILL, ESPRIT, Fusion 360, or similar platforms is preferred.
- Exposure to CAD software such as Fusion 360, SolidWorks, or similar is preferred.
- Basic understanding of G-code and CNC machine setup fundamentals is a plus.
- Experience operating CNC mills or lathes, with familiarity with Heidenhain, Okuma, or Haas CNC controllers, is a strong plus.
- Exposure to Lean Manufacturing or Six Sigma principles through coursework or prior experience is beneficial.
Location & details#
- Location: Woburn, Massachusetts, United States.
- Term: Winter 2027.
- Modality: On-site.
- Employment: Full-time.
- Compensation: $18.50 - $24.00 per hour.
- Note: Candidates must be local to the Boston, MA area for consideration. This role does not provide sponsorship.
About Rennscot MFG
Rennscot MFG provides product development and manufacturing services for the aerospace, automotive, medical, and electronics industries. Founded in 2017, the company operates out of Woburn, Massachusetts. It maintains a staff of 11 to 50 employees. The firm holds AS9100 certification and specializes in metal 3D printing, 5-axis machining, and laser scanning.
How to get in at Rennscot MFG
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