14 sr mechanical development engineer jobs found in Littleton, MA

Job Posting Start Date 02-25-2026 Job Posting End Date 04-10-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA. Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies...

Job Posting Start Date 02-25-2026 Job Posting End Date 04-10-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA. Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies...

Job Posting Start Date 02-25-2026 Job Posting End Date 04-10-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA. Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies...

Job Posting Start Date 02-25-2026 Job Posting End Date 04-10-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA. Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies...

Job Posting Start Date 02-25-2026 Job Posting End Date 04-10-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA. Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies...

Job Posting Start Date 02-25-2026 Job Posting End Date 03-04-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Senior Mechanical Engineer located in Littleton, MA. Reporting to the Product Manager, the Senior Mechanical Engineer will play a key role in our product development team. This engineer will contribute to the design, analysis, and validation of advanced...

NOTE: This position requires on-site working (requires on-site office/plant/lab work). #LI-Onsite Position Overview: Insulet is the world's leading manufacturer of high-volume, disposable, electromechanical, wearable medical devices. As a Sr. Automation Engineer (Onsite) in the Global Equipment Engineering Group, the candidate will support both current manufacturing operations as well as new product development by providing expertise related to the continuous improvement efforts for existing manufacturing processes/equipment. The candidate will also work with internal customers and external vendors to specify, procure, and install new manufacturing lines and equipment in accordance with business needs. The candidate will work in a collaborative team environment with manufacturing, manufacturing engineering, metrology, quality and component supplier engineering. Responsibilities include working with cross-functional teams and / or strategic partners and providing technical guidance...

NOTE: This position requires on-site working (requires on-site office/plant/lab work). #LI-Onsite Job Title: Sr. Automation Engineer, GEE Department: Global Equipment Engineering Manager/Supervisor: Manager, Global Equipment Engineering FLSA Status: Exempt SOP Group : Mfg / Eng Position Overview: Insulet is the world's leading manufacturer of high-volume, disposable, electromechanical, wearable medical devices. As a Sr. Automation Engineer in the Global Equipment Engineering Group, the candidate will support both current manufacturing operations as well as new product development by providing expertise related to the continuous improvement efforts for existing manufacturing processes/equipment. The candidate will also work with internal customers and external vendors to specify, procure, and install new manufacturing lines and equipment in accordance with business needs. The candidate will work in a collaborative team environment with manufacturing, manufacturing...

Capable of working independently to complete the majority of projects from start to finish with limited assistance from a Senior Engineer or Director. Job Summary Lead the client management and design production activities Coordinate and ensure the thoroughness and accuracy survey of building systems Support the development of designs, specifications, systems narratives, and system layouts for a variety of projects and project sizes Manage all phases of project including basic deliverables including calculations, drawings, and specifications Design mechanical systems including calculations of heating and cooling loads Select and layout mechanical equipment such as pumps, chiller, fans and boilers Perform construction administration and field investigation tasks for assigned projects including conducting field inspections and subsequent detailed inspection reports Ensure that drawings and designs are in accordance with company production and design standards...

Overview: East Coast Senior Building Performance Engineer - help shape the future of sustainable building performance at HGA! HGA is seeking a Senior Building Performance Engineer to lead and expand its Building Performance practice on the East Coast-specifically in Boston, MA or Washington, DC . This is a full-time opportunity for someone passionate about energy optimization , sustainability , and high-performance building systems . What You'll Do: Lead commissioning of HVAC, electrical, plumbing, and automation systems. Collaborate with clients and design teams on decarbonization and energy efficiency strategies at both building and campus scales. Act as sustainability team leader/project manager across sectors like Science & Technology, Higher Education, and Healthcare. Evaluate and improve performance of existing buildings. Support and train junior engineers. In this role you will: Develop opportunities for future work, including meeting with...

Company Description Do you love solving tough design challenges and bringing new products to life? Senior Metal Bellows has been creating custom-engineered bellows-based products for over 70 years, serving Aerospace, Defense, Space, Oil & Gas, Medical, and Semiconductor industries. We're seeking a Sr. Mechanical Design Engineer to help us design the next generation of innovative, high-performance products. Job Description What You'll Do Develop detailed designs and drawings in SolidWorks (ASME Y14.5), transforming customer concepts and team input into high-quality, manufacturable products. Translate engineering proposals and specs into manufacturable products, including tooling and fixturing designs using DFMA principles. Design, analyze, and prototype components for the world's most demanding industries. Research and recommend materials, tolerances, GD&T, and finishes to achieve design intent. Perform complex engineering calculations (strength, pressure,...

POSITION SUMMARY The Sr. Electrical Engineer (PE required) will support our MEP Engineering Department. This role reviews, designs, and coordinates the electrical scope for new and remodeled supermarket projects and supports construction coordination. The position also evaluates electrical capacity and compatibility for existing stores. KEY RESPONSIBILITIES Prepare electrical plans, circuit grouping, equipment selection/specifications and equipment layouts. Utilize AutoCAD to develop electrical system designs. Coordinate electrical design with Energy Management, Store Planning, and A/E teams. Review and support electrical requirements for new technologies and systems, ensuring optimal equipment selection related to energy use, environmental impact, maintenance, and cost. Develop and review electrical bid packages, including addendums for refrigeration, HVAC, and EMS specifications. Purchase electrical equipment, issue requisitions for large orders, and sign invoices when...

About the Opportunity JOB SUMMARY The Kostas Research Institute (KRI) at Northeastern University (NU) seeks a Senior RF Engineer to support and lead projects within the Assured Communications and Electromagnetic Dominance (ACED) technical thrust area. This position focuses on the design, simulation, prototyping, and testing of RF and microwave systems for defense, sensing, and communication applications. The Senior RF Engineer will serve as a technical leader within multidisciplinary teams-driving innovation in radar, electronic warfare, and secure communications systems. The role involves end-to-end system development, from conceptual design and modeling through laboratory validation and field testing.KRI conducts cutting-edge applied R&D. The institute was founded with a focus on homeland security. Today, KRI strives to advance resilience in the face of 21st century risks across a wide range of technologies, emphasizing a collaborative approach that leverages our R1...

About the Opportunity This job description is intended to describe the general nature and level of work being performed by people assigned to this classification. It is not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of personnel so classified. JOB SUMMARY The Kostas Research Institute (KRI) at Northeastern University (NU) seeks a Senior RF Engineer to support and lead projects within the Assured Communications and Electromagnetic Dominance (ACED) technical thrust area. This position focuses on the design, simulation, prototyping, and testing of RF and microwave systems for defense, sensing, and communication applications. The Senior RF Engineer will serve as a technical leader within multidisciplinary teams driving innovation in radar, electronic warfare, and secure communications systems. The role involves end-to-end system development, from conceptual design and modeling through laboratory validation and field...