Senior Manufacturing Engineer - CNC / Multi-Axis / Process Development

At a Glance

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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

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

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

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

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• Defining how work gets done
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• Building systems that scale
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• Elevating the technical capability of the entire organization
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The Work You’ll Be Doing

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In this role, you will:

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

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You’ll work closely with teams utilizing:

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

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• Aluminum
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• Stainless Steel
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• Alloy Steels
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• Titanium
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• Advanced aerospace materials
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'05; What We’re Looking ForRequired

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

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

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Engineers and machinists choose Rennscot because:

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

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

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Benefits:

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

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• Monday–Friday | Standard business hours
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• Overtime: As needed
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&A0;️ Work Authorization

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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

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Interested candidates can apply directly through hireCNC.

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Apply Now or Save This Job to come back later.