25 principal mechanical engineer jobs found

Thales Defense & Security, Inc. (TDSI) Headquartered in Clarksburg, MD, is a U.S. company that has been serving domestic and international defense Air, Land and Sea domains for 60+ years. With over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. TDSI's key technologies include tactical handheld radios, expeditionary satellite terminals, helmet-mounted displays, optics and target recognition capability, advanced radars, undersea sensing and missile systems. Lives depend on what we do! Top Benefits (Subject to terms of applicable policies/plans) Competitive Salary Yearly Incentive Compensation Plan Medical insurance for self and eligible family members Generous...

Job Type Full-time Description Viken Detection is seeking a highly experienced Principal Mechanical Engineer to provide technical leadership and architectural ownership across our advanced detection and imaging systems. This highest-level individual contributor role sets mechanical design strategy, drives cross-platform alignment, and tackles complex system-level challenges. The Principal Mechanical Engineer partners closely with Engineering, Physics, Program Management, and Operations to deliver high-performance, manufacturable, reliable, and cost-effective solutions from concept through sustaining engineering. Responsibilities Serve as mechanical system architect for major product platforms Lead system-level design decisions, trade studies, and risk mitigation Establish mechanical standards, best practices, and reusable design architectures Drive cross-functional alignment across mechanical, electrical, software, and physics teams Lead development of complex...

Introduction Werfen Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain. We are a worldwide leader in specialized diagnostics in the areas of Hemostasis, Acute Care Diagnostics, Transfusion, Autoimmunity, and Transplant. Through our Original Equipment Manufacturing (OEM) business line, we research, develop, and manufacture customized assays and biomaterials. We operate directly in 30 countries, and in more than 100 territories through distributors. Our Headquarters and Technology Centers are located in the US and Europe, and our workforce is more than 7,000 strong. Our success comes from a specific focus in these rapidly evolving diagnostic areas, our commitment to customers, and our dedication to innovation and quality. We're passionate about providing healthcare professionals the most valuable and complete solutions to improve hospital efficiency and enhance patient care. Overview Position Summary: The Principal Mechanical...

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 Principal Thermal Mechanical Engineer located in Littleton, MA. Reporting to the Product Manager the Principal Thermal Mechanical Engineer will play a pivotal role in the early phases of product development and serving in a guidance capacity through product maturation. Our products drive sustainability across the data center...

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 Principal Thermal Mechanical Engineer located in Littleton, MA. Reporting to the Product Manager the Principal Thermal Mechanical Engineer will play a pivotal role in the early phases of product development and serving in a guidance capacity through product maturation. Our products drive sustainability across the data center...

Req # : JR-2026-01255 Job Title : Principal Development Engineer - Flexible Printed Electronics Job Location : South Deerfield, MA Job Description : The purpose of this position is to function as a subject matter expert internally and externally as it pertains to successful implementation of flexible and/or stretchable film substrates in printed electronics applications. The successful candidate will be hands-on leading the design and management of trials and experiments using materials, equipment, and test methods to enable development of Covestro Specialty Films substrates and advise customers on successful implementation and use of its products in targeted applications. Major Tasks & Responsibilities: Collaborate with Specialty Films technical and commercial staff to understand capabilities and limitations with respect to application and customer processing of Specialty Films products. Directly manage the design, installation, and commissioning of new...

We are Covestro. We are curious. We are courageous. We are colorful. We refine chemical material solutions with game-changing products. Let us empower you to push boundaries. Join us and our 18,000 colleagues now and together we will make the world a brighter place. The purpose of this position is to function as a subject matter expert internally and externally as it pertains to successful implementation of flexible and/or stretchable film substrates in printed electronics applications. The successful candidate will be hands-on leading the design and management of trials and experiments using materials, equipment, and test methods to enable development of Covestro Specialty Films substrates and advise customers on successful implementation and use of its products in targeted applications. Major Tasks & Responsibilities : Collaborate with Specialty Films technical and commercial staff to understand capabilities and limitations with respect to application and customer...

JOB DESCRIPTION Senior Mechanical Engineer Axcelis is seeking a Senior Mechanical Engineer to design and deliver critical hardware for next-generation semiconductor capital equipment. In this role, you will own subsystem designs and drive end-to-end engineering execution , developing solutions that directly impact tool performance, wafer-level outcomes, and customer productivity . You will work on tightly integrated electromechanical systems where mechanical design directly impacts system performance, throughput, and reliability , partnering with cross-functional teams to deliver differentiated technology to leading semiconductor manufacturers. Role Focus and Impact Own end-to-end design, development, and validation of mechanical subsystems Translate system and process requirements into robust hardware solutions Directly influence performance, yield, and reliability at the system and customer level Operate as a system thinker , connecting mechanical design...

At Winchester Interconnect, we always do the right thing, the right way. Winchester Interconnect is committed to inspiring the most innovative teams. We foster a dynamic, inclusive environment that thrives on collaboration and continuous growth. We hire exceptional people, celebrate wins, empower employee growth, and provide opportunities to thrive. Winchester is where potential transforms into purpose, and every team member plays a vital role in shaping our shared success. Position Summary: As the Principal Coaxial Cable Design Engineer on our team, you will be the Subject Matter Expert (SME) responsible for advancing our coaxial cable technology roadmap from initial research, design and development stage through full production sustainability, process and equipment improvements. Qualifications & Requirements: Minimum 7 years of experience working directly on coaxial cable design and manufacturing engineering Design & develop cable products from concept through...

Working Location: Massachusetts, Westborough Workplace Flexibility: Hybrid For more than 100 years, Olympus has focused on making people's lives healthier, safer and more fulfilling. Every day, we live by our philosophy, True to Life, by advancing medical technologies and elevating the standard of patient care so people everywhere can fulfill their desires, dreams, and lives. Our five Core Values empower us to achieve Our Purpose: Patient Focus, Integrity, Innovation, Impact and Empathy. Learn more about Life at Olympus: https://www.olympusamerica.com/careers. Job Description The Principal Engineer is responsible for performing and/or leading all aspects of Sustaining including technical planning, feasibility studies, device development, investigations and corrective actions, cost reductions, verification, and validation activities. The primary responsibility of the position is the technical maintenance of the Design History File and Technical Files post...

About Us Founded in 2015 to develop the world's first industrially scalable laser metal additive manufacturing solution, VulcanForms is reshaping how the world manufactures critical products. We build and operate advanced digital infrastructure that enables innovation, accelerates growth, and supports sustainability across aerospace, defense, medical, and other essential industries. Through our vertically integrated capabilities, including scalable additive manufacturing and precision machining, we deliver true end-to-end production at scale by combining cutting-edge technology with a foundation of proven industrial craftsmanship. Our team brings deep expertise in manufacturing, materials science, software, automation, and operations, united by a shared commitment to quality, curiosity, and accountability. We foster an inclusive culture where people take ownership, solve meaningful problems, and continuously learn, because we believe diverse perspectives lead to better...

Ocular Therapeutix, Inc. (NASDAQ:OCUL) is a biopharmaceutical company focused on the formulation, development, and commercialization of innovative therapies for diseases and conditions of the eye using its proprietary bioresorbable hydrogel-based formulation technology, ELUTYX™. Ocular Therapeutix has built a robust product pipeline of drug delivery solutions developed to reduce the complexity and burden of the current standard of care and position itself to become a leader in the ophthalmic space. Outside of the ophthalmic realm and behind the doors of our headquarters in Bedford, MA, we strive to build a strong culture where employees can flourish and achieve their career goals. We encourage out of the box thinking, cross-functional collaboration, and creativity. Position Summary: This position will serve the role of medical device development engineer within Pharmaceutical Development. Experienced engineer who executes technical development of drug delivery medical devices...

Job Description: POSITION SUMMARY: The Principal Engineer - NPI Manufacturing serve as the technical project leader for NPI manufacturing activities, driving the development and commercialization of TransMedics perfusion set and OCS products. RESPONSIBILITIES This position is responsible for, but not limited to, the following: Provide strategic oversight of manufacturing readiness for new product introductions, ensuring alignment of engineering resources, project schedules, and cross-functional deliverables. Lead cross-functional collaboration with Product Development, Quality, Regulatory, Supply Chain, and Manufacturing Operations to ensure robust, scalable, and compliant processes. Coordinate, identify, and implement advanced manufacturing processes to ensure production capacity, efficiency, cost-effectiveness, and adherence to quality standards. Define project plans, timelines, and resources needed to support NPI manufacturing programs, ensuring accountability for...

Thales Defense & Security, Inc. (TDSI) Headquartered in Clarksburg, MD, is a U.S. company that has been serving domestic and international defense Air, Land and Sea domains for 60+ years. With over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. TDSI's key technologies include tactical handheld radios, expeditionary satellite terminals, helmet-mounted displays, optics and target recognition capability, advanced radars, undersea sensing and missile systems. Lives depend on what we do! Top Benefits (Subject to terms of applicable policies/plans) Competitive Salary Yearly Incentive Compensation Plan Medical insurance for self and eligible family members Generous...

About Us: SMC Ltd. is a globally recognized premium supplier to the medical market with locations throughout the world. People committed to speed, technology, and exceptional performance are the cornerstone of our organization. Comprised of dedicated people and decades of manufacturing experience, we have continued to experience strong growth and currently have outstanding career opportunities for equally dedicated people. Job Summary: The Tooling Engineer III supports sustaining molding projects by providing internal tool cost estimates, managing the mold procurement process, and tracking of all external tool activities. Essential Job Duties and Responsibilities: Manage mold procurement process from quoting through design, construction, and mold debug. Manage current tool suppliers, and develop appropriate new suppliers as required. Create internal tool cost estimates. Schedule and track all tool deliveries. Report mold progress to Project Engineers and ensure on...

All Qualified candidates will be responded to in 24 hours or less Interim Secret required prior to start Employment type: Full Time W-2 or Contract Rate: open to Negotiation (165K -185K) Benefits: including Health, Dental Vision, PTO, Holidays, 401K,etc Location :Tewksbury, MA Position Overview Will vary depending on the timing of the candidate's start, skill set, and project duration. Generally, the position will involve some combination of the design activities described in the Key Deliverables section below. Key deliverables for this role: Test station & fixture designs (Electrical schematic capture & PCB design) Core Technical Skills (Non-negotiables) ◻ Electrical Test Instrument/Equipment experience ◻ Power, RF, Digital Logic, Analog circuit knowledge ◻ Automated Test Software development experience Desired Skills Nice-to-Have ◻ Experience with project leadership, project...

As a full-service engineering, design, and construction services firm, Mi-Tech delivers comprehensive support for utility and infrastructure projects from planning and design through execution. Our multidisciplinary team provides practical, innovative solutions that emphasize cost efficiency, constructability, and long-term value. Founded in 1985, Mi-Tech has built a reputation for excellence in engineering, design, environmental, laboratory, technical, and field services across multiple industries. The 2026 merger with J.D. Hair & Associates further strengthened our capabilities and resources, adding decades of specialized expertise in trenchless, geotechnical, and structural engineering to our core offerings. As a proud member of the Michels Family of Companies, Mi-Tech collaborates with an internationally respected team to deliver integrated, end-to-end engineering, design, and construction solutions that meet the highest standards of quality and performance. In your role as...

Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables, FL (Miami); Chicago, IL; St. Louis, MO; Tampa, FL; Charlotte, NC; Charleston, SC; Houston, TX; New Haven, CT, Los Angeles, CA; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, lighting design, and building commissioning services. BR+A Consulting Engineers is seeking a VDC Engineer for our Boston, MA office. The candidate will be a member of our quality control project team assisting with Building Information Modeling (BIM) and Virtual Design and Construction (VDC). The candidate would be strongly motivated, well organized, and show professional initiative. The applicant should be able to take ownership of assignments and perform well both...

GZA GeoEnvironmental, Inc. (GZA) is currently seeking Civil/Dam Safety Engineers with 4 to 10 years of engineering experience to join our growing Dam and Levee Safety Group in our Norwood, Massachusetts office. Successful candidates will work under the supervision of technical specialists, project managers, and/or principals. A solid understanding of civil and geotechnical engineering principles and a passion to work on dams and levees are essential for this position. Primary Responsibilities May Include: Conducting fieldwork including dam and levee safety inspections, planning, and observing subsurface explorations and instrumentation installations, performing construction monitoring for dam and levee rehabilitation and dam removal projects. Review of subsurface information to develop input parameters for geotechnical analyses. Assistance in the assignment of laboratory testing to support development of input parameters for geotechnical analyses. Executing engineering...

Job Description Position Title: Critical Facilities Engineer II or Site Engineer II Your role The Critical Facilities Engineer II or Site Engineer II position is a contributing member to the site level Data Center Operations team assigned to one or more of our data center properties reporting directly to the Manager Engineering Operations. The Site Engineer II will have experience in mission critical infrastructure, including Generators, UPS Systems, HVAC Systems, Fire/Life Safety Systems, BMS Systems, and CMMS systems. It is expected that the Site Engineer I candidate has expertise in either electrical work or mechanical work and it would be expected that he/she would be competent in the area of non expertise. The responsibilities of the Site Engineer II are: to contribute to the daily site operation, including creation and modification of site operating procedures, contribute to creation of change management tickets, creation of timely incident reporting, site...