UNKNOWN

FEED

In this role, you will work with high‑level guidance from a Principal Investigator or Chief Engineer, but own the detailed engineering: turning concepts into designs, prototypes, and fielded systems through analysis, fabrication, integration, and testing. This Senior role is ideal for an engineer who enjoys owning challenging mechanical and ocean engineering problems, collaborating across disciplines, and turning advanced concepts into robust undersea systems.

YEAR

Senior Mechanical Engineer for Undersea Systems

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Each year, key Fortune 100 and 500 companies – as well as numerous hot start-ups -- hire Acorn to participate in the design of their latest product offerings. Proficient with SolidWorks (Creo a plus) and preparing engineering documentation per ASME Y14.5 for production release.

Acorn Product Development

Senior Mechanical Engineer- Waltham

Preparing test equipment and facilities, coordinating with test labs to support Design Verification Tests (DVT), Environmental Stress Screening (ESS), Electromagnetic Interference (EMI) and Functional Acceptance Test (ATP) events. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 125,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.
	Our Mission:&nbsp; We solve complex challenges, advance scientific discovery and deliver innovative solutions to help our customers keep people safe and provide them essential services. 
	
	Our Vision:&nbsp;Be the global leader in supporting our customers to strengthen global security, deliver citizen services and advance scientific discovery.
	Our Values:
	
	<li style="margin: 0px 0px 0px 15px;">Do What's Right</li>
	<li style="margin: 0px 0px 0px 15px;">Respect Others</li>
	<li style="margin: 0px 0px 0px 15px;">Perform With Excellence</li>

Lockheed Martin Corporation

Systems Engineer Stf - E4

We are actively demonstrating our next-generation permeability enhancement technology across diverse geologies worldwide, collaborating with industry leaders in geothermal energy, geologic hydrogen, carbon storage, and mining to redefine resource recovery for a carbon-neutral future. Lead mechanical and electro-mechanical design of Eden's next-generation downhole stimulation and energy-delivery systems operating at high temperature (>300 °C) and high pressure (>10 000 psi).

Eden GeoPower Inc

Senior Mechanical Engineer

Working fluency in the physics and engineering of aero engines and turbomachinery, aerodynamics, combustion, heat transfer, structures and rotordynamics, and materials, with the judgment to tell where a model is physically credible; hands on familiarity with CFD, FEA, and thermal/structural simulation, engine and rig test data, surrogate and physics informed modeling, model based systems engineering, the digital thread, and PLM. Lead others to find creative solutions within complex, interdependent engineering and production processes with technical variety, turbomachinery design, analysis, and test cycles, employing sophisticated operational / product management, manufacturing, and engineering techniques, drawing on multiple internal and external resources and questioning conflicting data to arrive at decisions.

GE Aerospace

Principal Build & Release Engineer

Dassault Systèmes SOLIDWORKS is looking to hire an AI Engineer who will be located in Waltham and will work with the rest of the team in developing new and cutting-edge innovative technology in the field of AI and Machine Learning for the SOLIDWORKS family of products. He/she will apply his/her knowledge in ML to problems in CAD for developing future and innovative product and design workflow ideas.

Dassault Systemes SE

AI Engineer

Each year, key Fortune 100 and 500 companies – as well as numerous hot start-ups -- hire Acorn to participate in the design of their latest product offerings. Proficient with SolidWorks ( Creo a plus ) and preparing engineering documentation per ASME Y14.5 for production release.

Mechanical Engineer- Waltham

Hello, One of our direct client is urgently looking for Mechanical Engineer @ Marlborough, MA Role - Mechanical Engineer Work location - Marlborough, MA Bachelor’s Degree in Engineering or in “STEM” Majors (Science, Technology, Engineering and Math) Knowledge of 3D CAD Software ( CREO, ACAD, ANSYS…) Injection Molding Experience or Knowledge a PLUS Plastic Part Modeling, Flow Modeling, FEA / CFD Analysis Knowledge of Electro Mechanical Devices Product Launch and Manfucturing Ramp up and Support from Design Transfer Process Ability to Source Technical Components ECO/ECR Knowledge ( Documentation across multiple production sites) Ability to work in a team environment. Medical Consumable/Medical Products Experience a Plus Medical Domain Experience a PLUS Prior GE Experience a PLUS.

Redolent

Mechanical Engineer

This is a rare opportunity to shape the future of manufacturing by applying cutting-edge AI research to real-world problems: from multimodal document understanding, to extracting structured data from technical drawings, to building new ways of reasoning across text, images, and 3D data. Xometry’s digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.

Xometry

Staff Machine Learning Engineer - Generative AI

By commercializing next-generation superconducting technology into deployable, real-world systems, VEIR delivers ~10× higher power density than conventional options, enabling "speed-to-power" where incremental optimization falls short. VEIR's initial focus is AI data centers behind the meter, with solutions engineered for repeatable deployment through reference designs and integrated controls, designed to incorporate learnings as deployments scale.

Veir Inc

Senior Mechanical Design Engineer - Termination Units

Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics. Embedded within our R&D organization, you'll take on a broad range of responsibilities, from developing methodologies and procedures with magnet physicists to conducting root cause analysis alongside manufacturing experts working with complex new materials.

Commonwealth Fusion Systems LLC

R&D Production Test Engineer

FULL_TIME

Join the power movement as an R&D Production Test Engineer We’re seeking an experienced Test Engineer to support the testing and de-risking of our cutting-edge HTS magnet technology, playing a key role in advancing fusion energy. Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics.

Commonwealth Fusion Systems

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At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

RTX Corp

Principal Systems Engineer - Electronic Protection, AN/TPY-2

Working closely with other Network engineers, Network Architects, Security Architects, Operations teams, and suppliers, you will design, build, test, migrate, and troubleshoot complex enterprise network services across Internet, WAN, SD-WAN, cloud, and security domains. Principal Network Engineer within the Global Network Engineering team, responsible for delivering a major Internet Gateway Migration programme across the US and UK regions, owning the low-level design and implementation activities.

Phoenix Business, Inc

Principal Network Engineer

jobdiva

Working closely with Engineering, Operations, and global technical teams, you will drive value engineering initiatives, support the introduction of new technologies, and lead projects that deliver measurable business impact. You'll collaborate with talented professionals across North America and around the world, leveraging data-driven insights to improve product design, reduce costs, and create greater value for customers.

Hitachi

Sr. Project Engineer - Design to Value

Strong mathematical & physics background – particularly expertise in rigid/soft-body dynamics, contact mechanics, FEA, and numerical stability. Experience with reinforcement learning, policy training, differentiable physics, or neural simulation models.

Research Engineer – Simulation

7+ years of experience designing and building robotic systems—preferably robotic hands. Eka Robotics is on a mission to build intelligence for the physical world - robots that are fast, general, and reliable.

Senior/Staff/Principal Mechanical Engineer

You will work in a highly collaborative and dynamic environment where frequent interaction with other multidisciplinary engineers, manufacturing team, sales team, and service team members, as well as vendors, suppliers, and customers is critical to success. In this role, you will design custom automation systems used by some of the world's largest manufacturers to test products ranging from medical devices and aerospace components to consumer electronics and packaging materials.

Since our founding more than 100 years ago, ITW has become one of the world&rsquo;s leading diversified manufacturers of specialized industrial equipment, consumables, and related service businesses.
ITW businesses serve local customers and markets around the globe, with a significant presence in developed as well as emerging markets. The company has operations in 57 countries that employ more than 50,000 women and men who adhere to the highest ethical standards. These talented individuals, many of whom have specialized engineering or scientific expertise, contribute to our global leadership in innovation. We are proud of our broad portfolio of more than 17,000 granted and pending patents.
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Mechanical Automation Project Engineer

By commercializing next-generation superconducting technology into deployable, real-world systems, VEIR delivers ~10× higher power density than conventional options, enabling “speed-to-power” where incremental optimization falls short. VEIR’s initial focus is AI data centers behind the meter, with solutions engineered for repeatable deployment through reference designs and integrated controls, designed to incorporate learnings as deployments scale.

VEIR

4. Finalists for Full-Time positions will have a Founder’s Interview in-person Final steps: Two professional references are requested, ideally one from your current organization and one who served as your Manager If an Offer Letter is extended, a Background check is conducted Laminar is committed to building a diverse and inclusive team. Our technology has gained international recognition, from being selected as a 2026 World Economic Forum Technology Pioneer, Gold 2026 Edison Award, Unilever Startup of the Year, to Innovator Awards by both Coca-Cola and AB InBev, and more.

Fea Engineer Jobs in Massachusetts

Senior Mechanical Engineer for Undersea Systems STR

Senior Mechanical Engineer- Waltham Acorn Product Development

Systems Engineer Stf - E4 Lockheed Martin Corporation

Senior Mechanical Engineer Eden GeoPower Inc

Principal Build & Release Engineer GE Aerospace

AI Engineer Dassault Systemes SE

Mechanical Engineer- Waltham Acorn Product Development

Mechanical Engineer Redolent

Staff Machine Learning Engineer - Generative AI Xometry

Senior Mechanical Design Engineer - Termination Units Veir Inc

R&D Production Test Engineer Commonwealth Fusion Systems LLC

R&D Production Test Engineer Commonwealth Fusion Systems

Principal Systems Engineer - Electronic Protection, AN/TPY-2 RTX Corp

Principal Network Engineer Phoenix Business, Inc

Sr. Project Engineer - Design to Value Hitachi

Research Engineer – Simulation Eka

Senior/Staff/Principal Mechanical Engineer Eka

Mechanical Automation Project Engineer ITW

Senior Mechanical Engineer VEIR

Junior R&D Engineer Laminar

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