Additive Manufacturing Engineering Co-op - Spring 2027

About This Role

Ready to shape the future of manufacturing? As an Additive Manufacturing Engineering Co-op at Rennscot MFG, you'll be at the forefront of additive manufacturing technology while building a comprehensive skill set across advanced manufacturing processes. This hands-on role puts you in the center of our additive manufacturing operations, where you'll work with cutting-edge 3D printing technologies, optimize build processes, and support post-processing workflows.

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

- Regularly stands, walks, and moves throughout the manufacturing facility for extended periods during machine setup, prove-out, and floor support activities.
- Frequently bends, stoops, kneels, and reaches to inspect equipment, tooling, work holding, and machined components at machine level.
- Occasionally lifts and carries materials, tooling, fixturing, and raw stock weighing up to 50 lbs; team lifts required for heavier loads.
- Regularly operates a computer workstation for extended periods for CNC programming, ERP documentation, and technical communication.
- Works in an active manufacturing environment subject to noise, vibration, metal chips, cutting fluids, and industrial equipment; required to wear personal protective equipment (PPE) at all times on the shop floor, including safety glasses, hearing protection, and steel-toed footwear.
- Manual dexterity required for operating CNC equipment, hand tools, and precision metrology instruments including calipers, micrometers, and indicators. May perform repetitive motions that may include wrists, hands and/or fingers.
- Visual acuity required to read technical drawings and GD&T callouts, inspect machined surfaces and features, and work with precision measurement tools.
- Communicating with others to exchange information

About Rennscot MFG

Rennscot MFG, founded in 2017, started as a motorsports-focused shop in the aftermarket automotive industry. Now, they are a leading provider of advanced manufacturing services located in Woburn, MA. Rennscot MFG strives to be more than just a machine shop; they solve problems in innovative ways, using a suite of integrated services to fuel a passion for ideation. With a focus on diversifying into commercial and critical technology sectors, Rennscot MFG delivers cutting-edge technologies and unwavering commitment to quality. They offer a comprehensive range of services, including reverse engineering, metal & polymer additive manufacturing, and precision machining to support various industries’ needs. For more information, visit rennscotmfg.com .

ITAR Requirement

To conform to US Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a US citizen, lawful permanent resident of the US, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the US Department of State. Learn more about the ITAR here: https://www.pmddtc.state.gov/ddtc_public/ddtc_public?id=ddtc_public_portal_itar_landing .

Responsibilities

Support Additive Manufacturing Operations; Plan, setup, and execute additive manufacturing builds using industrial 3D printing systems; Optimize build orientation, support structures, and process parameters for quality and efficiency; Post-process additively manufactured parts including support removal, heat treatment, and media blasting; Troubleshoot build failures and drive continuous improvement in additive processes; Develop and refine manufacturing processes for new additive technologies and materials; Engineer Better Processes; Design and fabricate work holding fixturing for post processing additive components; Contribute to process development, refininf build layouts, and support removal strategies for improved quality; Participate in root cause analysis and corrective action for production issues; Document manufacturing processes, build parameters, and setup procedures for repeatability; General Support; Support other departments (e.g., Quality, Subtractive Manufacturing, Assembly) as needed based on business demand; Attend team meetings and contribute actively to discussions, bringing a fresh perspective and a willingness to learn; Complete an end-of-term summary documenting key contributions, lessons learned, and recommended improvements for handoff to the engineering team.; Support other projects and assignments as needed.

Requirements

You've Got the Foundation; Currently enrolled in an accredited Bachelor's Degree program in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, or a related field.; Interest in additive manufacturing technologies and processes; Familiarity with CAD software (Fusion 360, SolidWorks, or similar); Exposure to Build preparation software (Bambu Studio, Magics, 3DXpert, nTop, PreForm); Strong attention to detail and eagerness to learn; Ability to work both independently and collaboratively; Bonus Points If You Have; Experience with additive manufacturing systems (FDM, SLA, SLS, metal printing, etc.); Knowledge of additive design principles and topology optimization; Experience with additive post-processing techniques; Future-focused – You're excited about how additive manufacturing is transforming industry; Technically curious – You want to understand both the art and science of manufacturing; Hands-on learner – You'd rather build and iterate than just read about it; Process-minded – You see manufacturing as a system and love optimizing it; Problem-solver – When a build fails or a process breaks down, you're energized to figure out why; Detail-oriented – You know that parameters matter and documentation prevents problems; Cross-functional – You're comfortable moving between additive, subtractive, and other manufacturing processes; Improvement-driven – You're always asking "how can we make this better?"; Adaptable – You thrive in a dynamic environment where priorities shift and technologies evolve; Collaborative – You work well with machinists, engineers, and other team members to get results