Level: We are considering mid - senior level candidates for this role. Location: This position will be on-site full-time in Dover, NH. The position holder will need to be within commuting distance (within 45 min). Applicants must be authorized to work for any employer in the U.S. At this time, we are unable to sponsor or assume sponsorship of an employment visa.
Summary: The CNC Machinist is responsible for machining and fabricating precision fixtures, molds, and parts to ensure quality and compliance. The role maintains shop equipment and safety standards, supports tooling and material purchasing, and collaborates with engineering, automation, and technical services to improve manufacturability and production efficiency. Essential Duties and Responsibilities:
- Fabricates (including setup and CAM programming for CNC equipment) fixtures, molds, and other machine parts from aluminum, plastic, and stainless steel, using Bridgeport Milling machine, manual lathe, Bench Grinder, HAAS VM3 CNC machining Center, and HAAS MiniMill Machining Center.
- Proficiently creates precision slip and interference fits of dowel pins in machine subassemblies and parts, for part interchangeability, using True Position Tolerancing, precision hole size tolerancing, transferring of hole centers, and the use of precision reamers.
- Conducts precision inspection of created parts, recording data and verifying compliance to detail drawing specifications and tolerancing and verifying engineering design intent is satisfied, using Micrometers, Digital calipers, CMM scanning & probe equipment, optical comparator, and Keyence IM inspection system.
- Prepares and maintains CMM inspection programs based on part geometry, tolerances, and GD&T functional requirements per ASME/ANSI Y 14.5; Dimensioning and Tolerancing.
- Assesses part design and drawing details for practical fabrication and recommends design changes to designers that will facilitate part fabrication and improve machine function.
- Recommends and purchases raw material stock, tools, and fixtures, that will maintain or increase Welch's fabrication capabilities and response time for part fabrication.
- Maintains Machine tools and equipment as required and develops preventative maintenance plans for new and existing equipment as needed.
- Assembles and tests Automated machines as specified on Engineering Assembly drawings and Solidworks models and as directed by Engineers.
- Ensures that shop common areas are kept clean, reminding that areas and equipment used are to be returned to a clean, usable state after use.
- Ensures proper safety measures are in place for all machinery and equipment in Machine Shop and train employees on safe operation of shop equipment.
- Collaborates with other Welch employees on machining techniques and Welch processes.
- Performs all other duties as assigned or needed.
Qualification Requirements:
- 5+ years of CNC machining experience preferred; High School Diploma required.
- Hands-on experience with lathes, milling machines, and CNC machining centers.
- Knowledge of machining speeds and feeds, finishing passes, surface finishes, precision tolerances, form tools, climb vs. conventional machining, material holding, and machine setups.
- Experience programming CNC toolpaths for part fabrication.
- Experience with CMM scanning and probing equipment; PC-DMIS preferred.
- Ability to read and interpret engineering drawings, dimensions, tolerances, and GD&T.
- Basic math skills, English communication skills, and computer proficiency, including Word and Excel, with the ability to learn new software.
- Strong attention to detail, accuracy, and quality; verifies work against specifications and engineering intent.
- Logical problem-solving, root cause analysis, and solution development.
- Learns new processes, equipment, and methods quickly and knows when to seek guidance.
- Works independently with minimal supervision while following procedures and managing varied assignments.
- Manages priorities and schedules in a fast-paced environment while communicating progress and completion timelines.
- Collaborates effectively with diverse teams and values teamwork across Engineering and the broader Welch organization.
About Welch Fluorocarbon:
Since 1985, Welch Fluorocarbon, a UFP Technologies company, has specialized in providing thermoformed and heat-sealed products to a variety of customers. We utilize the best, thin, high-performance films. Welch Fluorocarbon was founded to answer the industry's demand for high-performance plastic products.
Our corporate culture is a true team environment where there is a presence of clear purpose, the strength of real community and the celebration of individual creativity. Every day we prove that "the whole is always greater than the sum of its parts." The foundation of our culture is based on the core ideology of balance. As part of our culture and promoting balance for Team Members lives, Welch provides a competitive benefits package. UFP Technologies, Inc. offers a competitive benefits package, including but not limited to:
- Medical, Dental, Vision, Life, Disability Insurance
- 401K with a matching contribution
- Paid time off, Paid holidays, Employee discounts and much more!
UFP Technologies, Inc. is an Equal Opportunity/Affirmative Action employer Minorities/Women/Veterans/Disabled. #UFP #NH #IND #LI-Onsite
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UFP Technologies, Inc.
paid time off, paid holidays, 401(k)
Oct 15, 2026