Full-Time

Mechanical Engineer

Posted on 8/27/2025

Re:Build Manufacturing

Re:Build Manufacturing

1,001-5,000 employees

Tech-enabled, high-value industrial manufacturing services

No salary listed

Burlington, MA, USA

In Person

Category
Mechanical Engineering (2)
,
Requirements
  • B.S. in Mechanical Engineering or a related field
  • 3 to 10 years of industry experience
  • Broad technical background and the desire to learn more
  • 3D CAD experience (SolidWorks preferred)
  • Creative problem solvers who can connect scientific theory with engineering design to create novel products.
  • Strong communicators who can convey the merit of solutions to our clients’ challenges.
  • Hands-on craftspeople who like to build breadboards and refined prototypes.
  • Life-long learners who can take on a challenge in an unfamiliar field and quickly contribute to solutions.
  • Collaborators that enjoy working in teams of scientists, electrical engineers, optical engineers, manufacturing partners, and industrial designers.
  • Results-oriented engineers who thrive in a streamlined environment, using the right tools and minimizing bottlenecks to get the job done.
Responsibilities
  • We’re hiring mechanical engineers who are excited for the variety and challenge of product development.
  • In this role you will exercise your mechanical design experience in an energetic and progressive consulting environment.
  • You’ll join a group of talented engineers to develop new technologies and bring new products to market.
  • You will further your experience developing designs, building and testing prototypes, and using the knowledge gained through testing to refine and improve on previous designs.
  • You will be immersed in Fikst’s hands-on culture of experimentation and building, using our full CNC machining and turning centers, array of 3D-printers and laser cutters, and a huge arsenal of scientific and engineering equipment.
  • You will do all of this in lively collaboration with your fellow engineers and our clients.]
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Desired Qualifications
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Re:Build Manufacturing

Re:Build Manufacturing

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Rebuild Manufacturing provides high-value production services for traditional industrial settings by applying enabling technologies and modern practices to improve efficiency, flexibility, and quality. The company works by integrating advanced digital tools, processes, and management methods across its manufacturing and engineering-focused operations to enable rapid order fulfillment and customization at scale. It differentiates itself from competitors by combining technical execution with a clear social mission: rebuilding America’s manufacturing base, creating sustainable local jobs in regions hit by deindustrialization, and emphasizing environmental stewardship. The ultimate goal is to revitalize the U.S. manufacturing sector while delivering reliable, high-quality production that supports local communities and long-term economic value.

Company Size

1,001-5,000

Company Stage

Late Stage VC

Total Funding

$232.9M

Headquarters

Waltham, Massachusetts

Founded

2020

Simplify Jobs

Simplify's Take

What believers are saying

  • Battery manufacturing with Alsym targets U.S. sodium-ion scale-up in Pennsylvania.[1]
  • Drone battery packs align with defense volume production and compliance requirements.[1]
  • Aerospace and composites capabilities support high-value programs from concept to production.[3][7]

What critics are saying

  • Acquisition-led expansion creates integration complexity across twelve-plus businesses.[2][4]
  • Greenfield factory ramps can miss timelines and inflate capital needs.[1]
  • Defense and battery growth depends on sustained procurement and incentive support.[1]

What makes Re:Build Manufacturing unique

  • Integrates design, engineering, and manufacturing across nearly 1 million square feet.[1]
  • Uses strategic M&A to build a family of industrial businesses.[2]
  • Focuses on U.S.-based production, faster collaboration, and localized customer support.[1][3]

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Re:Build Manufacturing
Mar 3rd, 2026
SOCMA pre-show.

SOCMA pre-show. JEC World. Pre-Show Feature Re:Build Manufacturing is excited to participate in JEC World 2026, the premier international composites event, taking place March 10-12 in Paris, France. This globally recognized trade show brings together industry leaders, innovators, and composite manufacturers to showcase the latest advancements in composite materials and technologies. Visit Re:Build Manufacturing LLC at the State of South Carolina booth - Hall 6, Booth Q32, where Re:Build Manufacturing LLC'll be showcasing its advanced composites capabilities and demonstrating how Re:Build is driving innovation in aerospace, defense, and high-performance applications. Speaking engagements. Will Montague, Director, Business Development, Re:Build Oribi. Next-Generation PEI Uni-Directional Tapes for High-Performance, Value-Optimized Part Manufacturing Re:Build's Will Montague will be joining Ruairi O'Kane from Toray in an exciting technical session at JEC World 2026. Will's section of the presentation will highlight advanced manufacturing techniques using next-generation materials, featuring a real-world application example - an aerospace seatback - demonstrating how innovative material solutions translate into high-performance, cost-effective composite parts. Thursday, March 12th | 10:30AM | Agora 6 Featured capabilities. At JEC World 2026, Re:Build Manufacturing will showcase its comprehensive composites expertise across multiple advanced manufacturing domains. Its capabilities span advanced thermoplastic and thermoset composite manufacturing, delivering aerospace-grade structural components and assemblies that meet the most demanding performance standards. Re:Build Manufacturing LLC specialize in high-rate thermoplastic composite thermoforming for scalable production applications, and provide end-to-end UAV development and manufacturing solutions that integrate design, engineering, and production under one roof. Additionally, Re:Build Manufacturing LLC offer custom composite solutions tailored for both defense and commercial applications, demonstrating its versatility and technical depth across diverse industry sectors. Re:Build Manufacturing will have compelling examples of its advanced composites capabilities on display throughout the event: State of South Carolina Booth (Hall 6, Booth Q32): * XRAE-1 Foundation Drone - A comprehensive one-pager detailing its cutting-edge UAV project, showcasing Re:Build's integrated aerospace design, engineering, and composite manufacturing capabilities Avient Booth (Hall 5, Booth F49): * Truck Bed Liner - A thermoplastic composite application, showcasing its capabilities in large-format thermoplastic composite manufacturing for automotive and industrial applications Toray Booth (Hall 6, Booth E05): * Aerospace Seatback - An advanced aerospace composite component, exemplifying its precision composite fabrication for demanding aerospace applications and featuring next-generation PEI unidirectional tape technology (image shown below) Re:Build Manufacturing LLC look forward to connecting with industry partners, customers, and innovators at JEC World 2026 to discuss how Re:Build Manufacturing can support your next composite manufacturing challenge. Business Development contact. Will Montague Director, Business Development, Re:Build Oribi [email protected]

JEC Group
Sep 9th, 2024
Re:Build Manufacturing launches line of thermoplastic composite slitting and ply stacking equipment

Re:Build Manufacturing launches line of thermoplastic composite slitting and ply stacking equipment.

JEC Group
Aug 29th, 2024
Governor Josh Shapiro and Re:Build Manufacturing announce $81 million investment to create cutting-edge manufacturing center

Governor Josh Shapiro and Re:Build Manufacturing announce $81 million investment to create cutting-edge manufacturing center.

General Catalyst
Aug 20th, 2024
Our Investment in Re:Build | General Catalyst

Global Resilience: Revitalizing America’s Industrial Base

FinSMEs
Aug 19th, 2024
Re:Build Manufacturing Raises $120M in Funding

Re:Build Manufacturing raises $120M in funding.

INACTIVE