Job Description

At a Glance

Company: Rennscot MFG
Location: Woburn, MA (On-site)
Job Type: Full-Time
Pay Range: $110,000 – $150,000 per year (DOE)
Shift: Day Shift (Monday–Friday, standard business hours)
Overtime: As needed
Experience Level: Senior (7–15+ years)
Work Authorization: U.S. Person required (ITAR)

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Why This Role Exists

Rennscot continues to scale complex aerospace and advanced manufacturing programs—from prototype through full production.

This role exists to own and standardize CNC manufacturing processes at scale , ensuring that what works in development translates into repeatable, production-ready success.

At Rennscot, the Senior Manufacturing Engineer is not just solving problems—they are:

• Defining how work gets done
• Building systems that scale
• Elevating the technical capability of the entire organization

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The Work You’ll Be Doing

In this role, you will:

• Lead complex multi-axis CNC programming and process development initiatives
• Own manufacturing strategy from prototype (1–10 parts) through production (100–1,000+ parts)
• Develop and implement standards for tooling, fixturing, setups, and documentation
• Establish best practices across programming, machining, and process control
• Solve systemic manufacturing challenges across multiple teams
• Define and improve setup documentation and process control within ProShop MES
• Collaborate with engineering, quality, and production to ensure manufacturability and scalability
• Translate customer requirements into robust manufacturing processes
• Drive continuous improvement in quality, efficiency, and repeatability
• Mentor machinists, programmers, and engineers across the organization
• Lead high-impact technical initiatives and support strategic programs

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Machines, Controls & Software

You’ll work closely with teams utilizing:

• Machines: Multi-axis CNC machining platforms (5-axis, mill-turn environments)
• Controls: Haas, Okuma, Heidenhain (deep-level understanding preferred)
• CAM Software: Hypermill and/or ESPRIT (preferred)
• Inspection: CMM systems, advanced metrology tools
• ERP/MES: ProShop MES

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Materials You’ll Work With

• Aluminum
• Stainless Steel
• Alloy Steels
• Titanium
• Advanced aerospace materials

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✅ What We’re Looking ForRequired

• 7+ years of CNC manufacturing / process engineering experience (or equivalent combination per education level)
• Expert-level experience with multi-axis CNC programming and machining strategies
• Proven ability to scale processes from prototype to full production
• Strong understanding of tooling, fixturing, and process optimization
• Advanced knowledge of GD&T and dimensional quality control
• Experience developing manufacturing standards, frameworks, or best practices
• Strong communication and cross-functional collaboration skills

Preferred

• Experience with Hypermill and/or ESPRIT
• Background in aerospace or regulated environments ( AS9100, ISO 13485)
• Deep knowledge of Haas, Okuma, or Heidenhain controls
• Experience with ProShop MES or similar ERP systems
• External technical engagement (publications, conferences, industry groups)

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Why Machinists & Engineers Like Working Here

Engineers and machinists choose Rennscot because:

• Clean, modern, and highly organized facility
• Exposure to advanced CNC + metal additive manufacturing (3D printing)
• Strong engineering culture (high concentration of technical talent)
• Opportunity to work on aerospace and high-performance programs
• Real ownership over processes, not just execution
• Ability to influence standards, systems, and long-term direction
• Culture focused on precision, innovation, and continuous improvement

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Pay, Benefits & Schedule

Pay Range: $110,000 – $150,000/year (DOE)

Benefits:

• Medical, dental, vision
• 401(k)
• Paid time off + holidays
• Career growth and development opportunities

Schedule:

• Monday–Friday | Standard business hours
• Overtime: As needed

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⚠️ Work Authorization

To comply with ITAR regulations, candidates must be a U.S. citizen, permanent resident, or otherwise authorized to work on controlled programs.

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Apply

Interested candidates can apply directly through hireCNC.

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