250 mechanical engineer designer jobs found

Join JB&B and shape the future of the built environment! Founded in1915,Jaros, Baum & Bolleshas been a pillar of engineering innovation in New York City for over a century. Specializing in mechanical, electrical, plumbing (MEP) , JB&B has contributed to some of the most iconic buildings. In October 2025 , JB&B joined forces with Trinity Consultants , a global consulting firm focused on the natural and built environments. JB&B now operates within Trinity's Built Environment division , combining its deep expertise in high-performance building systems with Trinity's strengths in acoustic design, facility operations, commissioning, and technology strategy . This strategic merger expands JB&B's capabilities and offers employees: Access to a broader portfolio of international projects and clients Enhanced career mobility across Trinity's global network Interdisciplinary collaboration with experts in sustainability, environmental science,...

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers' critical path of progress by making them smarter, faster and more efficient. Job Summary & Responsibilities The Electrical Engineer 3 will have a focus on high-precision semiconductor tools including lithography, inspection and metrology systems and the processes that go into the construction, validation and verification of its performance Develop new system...

Description: HFA has an exciting role for a Mechanical Engineer to join a vigorously growing, employee-owned organization providing best-in-class mechanical design solutions. This position supports HVAC and plumbing system design in a highly collaborative environment and offers flexibility in how you work. The Mechanical Engineer will contribute to projects through all phases of design. This role offers a clear path to increased responsibility and client-facing opportunities. While flexible work arrangements are available, we are seeking candidates located in the Northeast to support regional collaboration and project needs. HFA is employee-owned and people-powered. Job Requirements: Engineer has the ability to lead a small client/client team (1-2 staff), small projects, or portions of a large project utilizing their experience and education in HVAC systems, controls, plumbing systems and knowledge of national standards; as well as solve medium to difficult design...

Compensation :The salary range for this position will be determined based on experience and qualifications. Company Overview Arrotek USA is a leading medical device engineering services and manufacturing partner, specializing in complex, high-reliability devices from concept through commercialization. We are passionate about solving difficult technical challenges and building trusted client relationships while delivering innovative solutions that improve lives. Role Summary The Principal Mechanical Engineer is a senior technical leader within Arrotek's Design Services organization. This role combines hands-on engineering execution with technical oversight of complex client programs, while also supervising and mentoring engineering staff. The ideal candidate is a seasoned engineering consultant who thrives in a fee-for-service environment, excels at problem-solving, and enjoys developing high-performing teams. Key Responsibilities Provide direct supervision, mentoring,...

Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At Cytiva, one of Danaher's 15+ operating companies, our work saves lives-and we're all united by a shared commitment to innovate for tangible impact. You'll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher's system of continuous improvement, you help turn ideas into impact - innovating at the speed of life. Working at Cytiva means being at the forefront of providing new solutions to transform human health. Our incredible customers undertake life-saving activities ranging from fundamental biological research to developing innovative vaccines, new medicines, and cell and gene therapies. At Cytiva you will be able to continuously improve yourself and us - working on challenges that truly matter with people that care for each other, our customers, and their patients. Take your next...

Mechanical Engineer (Opto-Design), (IS-0830-13) Application Deadline: 17 March 2026 Department: Smithsonian Astrophysical Observatory Employment Type: Full Time Location: Cambridge, MA Compensation: $120,548 - $156,715 / year Description OPENING DATE: February 17, 2026 CLOSING DATE: March 17, 2026 TYPE OF POSITION: Trust Indefinite (Non-Federal) DIVISION: Central Engineering LOCATION: Cambridge, MA AREA OF CONSIDERATION: This position requires access to export-controlled work. The candidate must be a U.S. person (citizen, permanent resident, approved asylee, or refugee) or a national of a country eligible for an export license who is eligible to work in the US. What are Trust Fund Positions? Trust Fund positions are unique to the Smithsonian. They are paid for from a variety of sources, including the Smithsonian endowment, revenue from our business activities, donations, grants and contracts. Trust employees are not part of the civil service, nor does...

Mechanical Engineer (Opto-Design), (IS-0830-13) Application Deadline: 17 March 2026 Department: Smithsonian Astrophysical Observatory Employment Type: Full Time Location: Cambridge, MA Compensation: $119,355 - $155,164 / year Description OPENING DATE: February 17, 2026 CLOSING DATE: March 17, 2026 TYPE OF POSITION: Trust Indefinite (Non-Federal) DIVISION: Central Engineering LOCATION: Cambridge, MA AREA OF CONSIDERATION: This position requires access to export-controlled work. The candidate must be a U.S. person (citizen, permanent resident, approved asylee, or refugee) or a national of a country eligible to be approved for an export license who is eligible to work in the US. What are Trust Fund Positions? Trust Fund positions are unique to the Smithsonian. They are paid for from a variety of sources, including the Smithsonian endowment, revenue from our business activities, donations, grants and contracts. Trust employees are not part of the civil...

Job Description Are you ready to revolutionize Cell & Gene Therapy? Join us in shaping the future of therapeutics! We are seeking a Senior Mechanical & Automation Engineer in our journey of developing cutting-edge manufacturing solutions for Casgevy-a first-of-its-kind therapy transforming the treatment of Sick Cell Disease and Beta Thalassemia. In this role, you will be at the forefront of automating complex processes in one of the most dynamic and rapidly evolving fields in biotechnology. By leveraging your expertise in mechanical engineering and automation, you will play a pivotal role in streamlining manufacturing, enhancing manufacturing reliability, and scaling life-saving therapies to reach patients faster. You will work with a passionate team of scientists, engineers, and innovators, all united by a shared mission: to push the boundaries of what's possible in Cell & Gene Therapy. This role reports to the Associate Director of Automation, Equipment, and...

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,...

About Phoenix Tailings Phoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. Why Phoenix Tailings At Phoenix Tailings, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation, and are excited about working with some of the top innovators in the world, then this is the place for you. Our Values: • You are only crazy if you are wrong, it's ok to be wrong • Lead with Compassion • Be Resourceful • Listen • Hustle Who We Are Looking For: Phoenix Tailings is looking for a Mechanical Engineer II to support the design, build, and scale-up of industrial...

Job Type Full-time Description Division: Optical Communications As the industry's leader in fiber optic interconnects, SENKO is relentlessly pushing the boundaries of technology. Our dynamic and fast-paced environment fosters a culture of creativity and collaboration, where your ideas can thrive. We partner with the world's most renowned technology giants, shaping the future of connectivity together. At Senko, you'll be part of a team that's passionate about innovation and dedicated to making a global impact. If you're ready to take your career to the next level and be at the forefront of technological advancements, Senko is the place for you. The Senior Mechanical Design Engineer is responsible for creating new products and enhancing existing product designs, drawings, and documentation-including those used in manufacturing and customer-facing applications. This role involves contributing to and guiding both current and future engineering development initiatives,...

Nanobiosym is dedicated to creating technology platforms at the interface of physics, medicine and nanotechnology. Nanobiosym Diagnostics, Nanobiosym 's commercial engine, focuses on the commercialization of its disruptive diagnostic technology platform, which will empower people worldwide with rapid, accurate, and portable diagnostic information about their own health. Nanobiosym was founded by an MIT/Harvard alum and is comprised of a world class team of Directors, Advisors, and Strategic Partners. This hyper growth company allows for unique career opportunities with strong long-term incentives. Our Mission is to democratize access to basic health care, empower the health care consumer, and ultimately transform the overall health care experience. DUTIES Nanobiosym is seeking strong candidates to work in a dynamic team environment of physicists, engineers, and other multidisciplinary scientists. The job responsibility will primarily include developing, designing, troubleshooting...

Zulu Pods is building America's next-generation component and sub-system company, and we are seeking highly motivated team players to join us in this mission. We believe in bringing your human to work and embrace out of the box thinking and creativity. We also believe in excellence and competence, with an engineering team boasting extensive turbomachinery mechanical design expertise and holding a combined experience of more than 150 years. At Zulu Pods, we operate with Integrity, take Extreme Ownership, lift each other up with Servant Leadership, win by Exceeding Expectations, and succeed with Optimistic Vision. If these values describe you, please continue: Zulu Pods is seeking an experienced mechanical design engineer in our Northampton, Massachusetts location. The selected individual will continue developing our patented ZPod technology as well as explore potential new markets by designing, prototyping, and testing new products. The experienced design engineer will...

About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients' most profoundly unique, unprecedented, and urgent challenges. We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Join our team of experts with degrees from top programs at over 500 universities and extensive experience spanning a variety of industries. At Exponent, you'll contribute to the diverse pool of ideas, talents, backgrounds, and experiences that drives our collaborative teamwork and breakthrough insights. Plus, we...

Senior Aeronautical Engineer - Must have an Active TS / SCI clearance Onsite Bedford, MA Full Time Join the integrated Government-industry team delivering Phalanx Griffon (PG) -a platform-agnostic, open-architecture aerial node that pushes real-time, multi-level-secure data to the tactical edge. As the Senior Aeronautical Engineer , you will be the program's primary air-vehicle integration lead, translating the digital design into safe, air-worthy hardware and ensuring seamless fit, form, and function across multiple aircraft types. Essential Job Functions: Platform Integration Lead: Own the aircraft-level mechanical & structural integration of the Nomad hardware stack, SATCOM apertures, and platform-interface modules (PIMs). Develop and coordinate AF Form 1067 packages, air-worthiness artifacts, and flight-clearance data with System Program Offices (SPOs), Flight Test Centers, and OEMs. Perform trade studies and SWaP-C analyses to down-select form-factor...

Job ID: 113805 The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world. Job Summary DRS NPS has an immediate need for a Senior Mechanical Engineer with a well-rounded skill set, including design, analysis, assembly support, and qualification/validation experience. The candidate is expected to work independently, using judgment and discretion in making complex decisions. Along with providing individual contributions, the role is also responsible for leading multidisciplinary project team(s) ranging from 3-10+ engineers, detailers, and drafters in a matrix organization in fulfilling program requirements. The technical nature of this position requires a collaborative and consultative role in program development and problem solving with other technical resources. The role requires utilizing engineering experience to...

Job Summary Dennis Group Civil Engineers focus on the land development and infrastructure for our industrial projects that involve designing and building new food and beverage process facilities. Our civil engineers have strong technical and design ability and excellent communication skills in designing land development plans, building pads, infrastructure for new buildings, landscaping, and everything from the foundation and below. Civil engineers are part of our Building Systems department and work closely with structural engineers and architects/designers. They are also involved with bid evaluation and local contractor initial contact in multiple project locations. The role is highly valuable at Dennis Group and faces engineering challenges that require strong calculation skills and for experienced engineers to have a Professional Engineer License (PE). As a member of our civil team your responsibilities may include but not limited to Responsibilities Applies standard...

Dennis Group Structural Engineers ensure structures are durable and safe for our industrial projects that involve designing and building food and beverage process facilities. Our Structural Engineers have strong technical, analytical, design, mathematical, and problem-solving skills. The role is key in designing, permitting, and providing expertise in strength, stability, and stresses for various structures of our construction of new processing facilities and alterations to existing facilities. Members of our structural department have responsibilities that include, but not be limited to: Responsibilities Apply extensive and diverse knowledge of principles and practices for a wide range of materials and construction techniques. Perform hand calculations and create computer analysis models for structural design tasks. Determine the correct building code Locate any local or site-specific amendments to the building code Document gravity design loads, wind design loads,...

Description The Underground Engineer will work on a variety of 2.4kV to 345kV underground utility transmission and distribution projects. The Lead Engineer will work with a project team to implement effective and creative solutions for the grid according to budget constraints, design factors and client needs. This position will require interface with utility clients and collaboration with multiple offices. Lead design teams of 2 to 10 engineers and designers and work closely with construction, procurement and permitting teams to execute underground transmission and distribution construction projects. Work closely with local and national leadership to develop new clients and continue building relationships with existing clients. Support business development efforts with new clients across North America. Support thought leadership including conference attendance, marketing and other internal initiatives. Prepare and develop distribution and transmission voltage...

We are the global test and automation specialists, powering next-generation technologies through sophisticated solutions. Behind every electronic device you use, Teradyne's test technology ensures your device works right the first time, every time! Our portfolio of automation solutions help manufacturers to develop and deliver products quickly, efficiently and cost-effectively. Together, Teradyne companies deliver manufacturing automation across industries and applications around the world! We attract, develop, and retain a high-performance workforce, comprised of people with diverse backgrounds and a shared drive for excellence. We strive to foster a positive and inclusive work environment that helps employees, and communities, thrive. Our Purpose TERADYNE, where experience meets innovation and driving excellence in every connection. We are fueled by creativity and diversity of thought and in our workforce. Our employees are supported to innovate and learn something new every...