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

Rennscot MFG; Woburn (MA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k)

Paid time off + holidays

Career growth opportunities

Job summary

Rennscot MFG in Woburn, MA seeks a Senior Manufacturing Engineer to standardize CNC processes at scale and ensure production readiness. You will lead multi-axis CNC programming initiatives, develop standards for tooling and setups, and collaborate with teams to enhance manufacturing efficiency. The ideal candidate has over 7 years of experience in CNC manufacturing and a profound knowledge of tooling and process optimization. The role offers a full-time position with competitive pay and benefits.

Qualifications

• 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.

Responsibilities

• Lead complex multi-axis CNC programming and process development initiatives.
• Own manufacturing strategy from prototype to production.
• Develop and implement standards for tooling, fixturing, setups, and documentation.

Skills

Multi-axis CNC programming

Process engineering

Communication

Collaboration

Education

7+ years of CNC manufacturing / process engineering experience

Tools

ProShop MES

Hypermill

ESPRIT

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)

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

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

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

Materials You’ll Work With

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

What We’re Looking For

Required

• 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)

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

Pay, Benefits & Schedule

Pay Range: $110,000 – $150,000 per 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

Work Authorization

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