Senior Manufacturing Engineer – CNC / Multi-Axis / ProcessDevelopment

At a GlanceCompany:Rennscot MFGLocation:Woburn, MA (On-site)Job Type:Full-TimePay Range:$110,000 – $150,000 per year (DOE)Shift:Day Shift (Monday–Friday, standard business hours)Overtime:As neededExperience Level:Senior (7–15+ years)Work Authorization:U.S. Person required (ITAR)---Why This Role ExistsRennscot continues to scale complex aerospace and advanced manufacturing programs—from prototype through full production.This role exists toown 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 doneBuilding systems that scaleElevating the technical capability of the entire organization---The Work You'll Be DoingIn this role, you will:Lead complexmulti-axis CNC programming and process development initiativesOwn manufacturing strategy from prototype (1–10 parts) through production (100–1,000+ parts)Develop and implementstandards for tooling, fixturing, setups, and documentationEstablish best practices across programming, machining, and process controlSolve systemic manufacturing challenges across multiple teamsDefine and improve setup documentation and process control withinProShop MESCollaborate with engineering, quality, and production to ensure manufacturability and scalabilityTranslate customer requirements into robust manufacturing processesDrive continuous improvement in quality, efficiency, and repeatabilityMentor machinists, programmers, and engineers across the organizationLead high-impact technical initiatives and support strategic programs---Machines, Controls & SoftwareYou'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 toolsERP/MES:ProShop MES---Materials You'll Work WithAluminumStainless SteelAlloy SteelsTitaniumAdvanced aerospace materials--- What We're Looking ForRequired7+ years of CNC manufacturing / process engineering experience(or equivalent combination per education level)Expert-level experience withmulti-axis CNC programming and machining strategiesProven ability to scale processes from prototype to full productionStrong understanding of tooling, fixturing, and process optimizationAdvanced knowledge ofGD&T and dimensional quality controlExperience developing manufacturing standards, frameworks, or best practicesStrong communication and cross-functional collaboration skillsPreferredExperience with Hypermill and/or ESPRITBackground in aerospace or regulated environments ( AS9100, ISO 13485 )Deep knowledge of Haas, Okuma, or Heidenhain controlsExperience with ProShop MES or similar ERP systemsExternal technical engagement (publications, conferences, industry groups)---Why Machinists & Engineers Like Working HereEngineers and machinists choose Rennscot because:Clean, modern, and highly organized facilityExposure toadvanced CNC + metal additive manufacturing (3D printing)Strong engineering culture (high concentration of technical talent)Opportunity to work onaerospace and high-performance programsReal ownership over processes, not just executionAbility to influence standards, systems, and long-term directionCulture focused onprecision, innovation, and continuous improvement---Pay, Benefits & SchedulePay Range:$110,000 – $150,000/year (DOE)Benefits:Medical, dental, vision401(k)Paid time off + holidaysCareer growth and development opportunitiesSchedule:Monday–Friday | Standard business hoursOvertime: As needed--- Work AuthorizationTo comply with ITAR regulations, candidates must be a U.S. citizen, permanent resident, or otherwise authorized to work on controlled programs.---ApplyInterested candidates can apply directly through hireCNC.Apply Now or Save This Job to come back later.