Mainstream Engineering

Position SummaryDue to continued growth we are seeking an Electrical Engineer to serve as the vital electrical component test link between design and this role you will drive the development of cutting-edge thermal control and energy conversion products ensuring a seamless transition

Position SummaryDue to continued growth we are seeking an Electrical Engineer to serve as the vital electrical component test link between design and this role you will drive the development of cutting-edge thermal control and energy conversion products ensuring a seamless transition

Position SummaryDue to continued growth we are seeking talented Electrical Research & Development Engineers. This position plays a critical role in developing electronics products related to thermal control and energy conversion. Successful candidates will provide innovative engineer

Position SummaryDue to continued growth we are seeking talented Electrical Research & Development Engineers. This position plays a critical role in developing electronics products related to thermal control and energy conversion. Successful candidates will provide innovative engineer

Position SummaryWe are seeking a talented hands-on R&D chemical engineer to contribute to a diverse set of clean-tech research projects involving such topics as: thermochemical biofuel production biofuel upgrading wastewater recycling clean biomass combustion and gas-to-liquids conver

Position SummaryWe are seeking a talented hands-on R&D chemical engineer to contribute to a diverse set of clean-tech research projects involving such topics as: thermochemical biofuel production biofuel upgrading wastewater recycling clean biomass combustion and gas-to-liquids conver

Position SummaryWe are seeking a Product Development Engineer with creativity and technical proficiency to drive innovation from ideation to production. You will take ownership of new product designs lead redesigns for existing portfolios and optimize manufacturability usability and a

Position SummaryWe are seeking a Product Development Engineer with creativity and technical proficiency to drive innovation from ideation to production. You will take ownership of new product designs lead redesigns for existing portfolios and optimize manufacturability usability and a

Position SummaryWe are seeking a talented hands-on R&D chemical engineer to contribute to a diverse portfolio of clean-tech research projects involving such topics as: thermochemical biofuel production advanced wastewater recycling adsorption technology (VSA/PSA) and composite materia

Position SummaryWe are seeking a talented hands-on R&D chemical engineer to contribute to a diverse portfolio of clean-tech research projects involving such topics as: thermochemical biofuel production advanced wastewater recycling adsorption technology (VSA/PSA) and composite materia

Position Summary Mainstream Engineering is seeking a detail-oriented and highly skilled CMM Programmer to support our precision manufacturing operations. This role is responsible for developing and executing dimensional inspection programs to ensure compliance with engineering specifi

Position Summary Mainstream Engineering is seeking a detail-oriented and highly skilled CMM Programmer to support our precision manufacturing operations. This role is responsible for developing and executing dimensional inspection programs to ensure compliance with engineering specifi

Position SummaryMainstream Engineering is seeking a highly motivated Manufacturing Engineering Intern for Summer 2026. This position offers hands-on experience supporting the transition of innovative thermal control and energy conversion technologies from R&D into production.The selec

Position SummaryMainstream Engineering is seeking a highly motivated Manufacturing Engineering Intern for Summer 2026. This position offers hands-on experience supporting the transition of innovative thermal control and energy conversion technologies from R&D into production.The selec

Position SummaryMainstream Engineering Corporation is seeking a Senior Mechanical Engineer to lead the mechanical design industrialization and manufacturing integration of advanced commercial and military products within our production facility.This role bridges product design and man

Position SummaryMainstream Engineering Corporation is seeking a Senior Mechanical Engineer to lead the mechanical design industrialization and manufacturing integration of advanced commercial and military products within our production facility.This role bridges product design and man

Position SummaryWe are seeking an experienced Manufacturing Engineer to develop and implement fabrication and assembly processes to transition new products from R&D to production. This position is primarily geared towards products in low-rate production that consist of high-precision

Position SummaryWe are seeking an experienced Manufacturing Engineer to develop and implement fabrication and assembly processes to transition new products from R&D to production. This position is primarily geared towards products in low-rate production that consist of high-precision

Position SummaryThe Floor Technician is responsible for maintaining facility cleanliness safety and operational readiness across manufacturing laboratory warehouse and office environments. This role directly supports production uptime and protects sensitive R&D and manufacturing proce

Position SummaryThe Floor Technician is responsible for maintaining facility cleanliness safety and operational readiness across manufacturing laboratory warehouse and office environments. This role directly supports production uptime and protects sensitive R&D and manufacturing proce

We are seeking a detail oriented highly organized graphic and web designer focused on in-house editing organizing and creating graphic files for our products. Most of the files are already created (Adobe InDesign Illustrator) and a portion of the work would be updating these files for

We are seeking a detail oriented highly organized graphic and web designer focused on in-house editing organizing and creating graphic files for our products. Most of the files are already created (Adobe InDesign Illustrator) and a portion of the work would be updating these files for