556 junior mechanical engineer jobs found

Job Type Full-time Description Viken Detection is seeking an experienced and driven Senior Mechanical Engineer to join our growing, highly collaborative engineering team. This role will play a key technical leadership position in the development of next-generation X-ray and chemical detection systems, spanning precision handheld devices to large-scale vehicle and cargo scanning platforms. The Senior Mechanical Engineer will lead complex mechanical designs, mentor junior engineers, and partner closely with Engineering, Physics, Program Management, and Operations to drive products from concept through full-rate production and sustaining engineering. Responsibilities Lead mechanical system and subsystem design efforts across multiple product platforms Collaborate with Engineering, Physics, and Program Management teams to refine system architecture and requirements Drive rapid prototyping and proof-of-concept development in a fast-paced R&D environment Own mechanical...

As a team, we've launched five satellites into orbit, signed ten commercial deals worth over $1 billion in revenue, raised over $750 million from top global investors, and recruited a team of over 400 world-class engineers. We all work out of our (legendary) San Francisco office, which was once used to build ships during the World Wars. Our satellites, which operate from geostationary orbit (GEO), weigh only 400 kg and utilize a proprietary software-defined radio payload. Each satellite can connect over two million people, and we're very excited for the impact we'll soon have in the Philippines, Mexico, and more! Backed by substantial funding and a passionate, collaborative team, we offer a rewarding work environment where you'll learn and make a significant impact, no matter where you are in your career. Senior Mechanical Engineer As an Astranis Senior Mechanical Engineer you will own the complete lifecycle of various subsystems on our spacecraft. Whether it is incremental...

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. Note: This is a Prospective/Pipeline Posting - Not an Active Role We are not currently hiring for an open position under this posting. We're building...

About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast-track, efficient solutions for industrial, commercial, institutional, and residential related building projects. About LJC LJC Design & Engineering (LJC) is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, engineering, and construction. The Role We...

Job Type Full-time Description Join the Teknova Team and Help Shape the Future of Health When you join the Teknova team, you're helping to create the future of health. Our customers are working to discover novel therapies that will help people everywhere live longer, healthier lives. We make sure they have a reliable supply of the essential ingredients they need to succeed, and every member of our team plays an important role. Job Overview We are seeking an exceptional Senior Mechanical Engineer to design, develop, and validate semi- and fully automated production equipment. This is a hands-on role for someone who finds creative, sound engineering solutions to challenging problems, with a strong focus on quality, reliability, and execution. You will collaborate closely with cross-functional teams including Quality, Facilities, MSAT, and Operations and provide technical leadership and mentorship to junior engineers. Our Culture : At Teknova, our culture is all about...

Amptek is seeking a highly motivated Senior Mechanical Engineer to support the design, development, qualification, and manufacture of world-class X-ray and gamma-ray detection products. This role will focus on X-ray detectors and source technologies used in X-ray fluorescence (XRF), analytical instrumentation, industrial inspection, laboratory research, portable instrumentation, and nuclear and space applications. The successful candidate will play a critical role in bringing new products from concept through production while supporting existing product lines and developing the manufacturing tooling and test fixtures required to ensure quality, reliability, and operational efficiency. This position combines hands-on engineering with analytical design work and requires close collaboration with manufacturing, operations, quality, supply chain, and electrical engineering teams in Bedford, MA. Functional Allocation: 30% New Product Introduction (NPI) 30% Sustaining Engineering...

Overview Within SSOE's Advanced Technology division, we specialize in high-tech facility design, offering top-tier design and engineering services to a diverse array of clients and markets. Our team is composed of highly skilled and knowledgeable professionals who excel across various disciplines. We pride ourselves on our cross-disciplinary approach, which allows us to understand and address our clients' needs more comprehensively than traditional, siloed methods. What sets us apart is our ability to seamlessly conceptualize, plan, and detail every aspect of design. Our in-house experts collaborate closely, optimizing and enhancing our work through multi-discipline strategy sessions. By leveraging cutting-edge techniques and state-of-the-art software, we deliver industry-leading technology and innovative solutions from day one. SSOE is looking to hire a Senior Mechanical Engineer to join our dynamic team. In this role, you will lead design engineering and shaping the future...

Job Description At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators, and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses entrepreneurial spirit in an employee-owned company, believes diversity gives us strength, seeks sustainable results, and shares ambitions for each other, our clients, and the communities we serve. Together, we are EXP. Are you ready to design your future? Be our next Senior Mechanical Engineer Your work environment at EXP In this role, you will be part of the MEP team supporting Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects throughout the Mid-Atlantic region. This position provides technical leadership for HVAC, plumbing, and fire protection systems while working...

At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for more than 110 years and we are known for our quality work and developing quality employee careers. We are seeking the very best and most talented to join our team - help us take on challenges, develop vision solutions, and innovate and design the infrastructure of the future that will transform the world! Whitman, Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and sustainable solutions to our clients' most complex challenges. With a history spanning over 100 years, our firm has a strong reputation for excellence in design, engineering, and construction services. We are seeking a talented and experienced Senior Mechanical Engineer to join our team in our Fairfax, VA office. As a Senior Mechanical Engineer at Whitman, Requardt & Associates, LLP, you will play a pivotal role...

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. As a Senior Design Engineer you will be responsible for; Leading the design and development of mechanical systems, structural hardware, and mechanisms...

Overview Within SSOE's Advanced Technology division, we specialize in high-tech facility design, offering top-tier design and engineering services to a diverse array of clients and markets. Our team is composed of highly skilled and knowledgeable professionals who excel across various disciplines. We pride ourselves on our cross-disciplinary approach, which allows us to understand and address our clients' needs more comprehensively than traditional, siloed methods. What sets us apart is our ability to seamlessly conceptualize, plan, and detail every aspect of design. Our in-house experts collaborate closely, optimizing and enhancing our work through multi-discipline strategy sessions. By leveraging cutting-edge techniques and state-of-the-art software, we deliver industry-leading technology and innovative solutions from day one. SSOE is looking to hire a Senior Mechanical Engineer to join our dynamic team. In this role, you will lead design engineering and shaping the future...

Title: Senior Mechanical Design Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security. KBR is seeking a Senior Mechanical Design Engineer with strong CAD proficiency and leadership experience to join our growing team of engineers supporting cutting-edge defense programs. The successful candidate will lead mechanical design efforts and collaborate with cross-disciplinary teams to develop commercial systems and components. Why Join Us? Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment : Be part of a dynamic team that thrives on collaboration and...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Project Manager/Senior Mechanical Design Engineer (MEP) - National Capital Region (NCR) Interface Engineering Inc. (Relocation will be offered for highly qualified candidates.) At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company...

SmithGroup is an integrated design firm with a reputation for cultivating a top-ranked culture while pioneering award-winning innovative design solutions. We blend research, data and technology with ingenuity and a creative spirit to deliver resilient, inclusive spaces that solve our clients' greatest challenges. Our teams create exceptional design solutions for healthcare, science and technology, workplace, mixed use, higher education, cultural, waterfront, parks and open spaces, and urban environments. We are looking for passionate problem solvers who want to elevate design, push boundaries and create a more resilient future. The San Diego office of SmithGroup is looking for a Senior Mechanical Engineer to join our team. Working with us, you will: Serve as the engineering leader through all stages of a project of any size and play a larger role in the marketing of the studio and management of the discipline. Actively promote and advocate for increased energy efficiency,...

SmithGroup is an integrated design firm with a reputation for cultivating a top-ranked culture while pioneering award-winning innovative design solutions. We blend research, data and technology with ingenuity and a creative spirit to deliver resilient, inclusive spaces that solve our clients' greatest challenges. Our teams create exceptional design solutions for healthcare, science and technology, workplace, mixed use, higher education, cultural, waterfront, parks and open spaces, and urban environments. We are looking for passionate problem solvers who want to elevate design, push boundaries and create a more resilient future. The San Francisco office of SmithGroup is looking for a Senior Mechanical Engineer to join our team. Working with us, you will: Serve as the engineering leader through all stages of a project of any size and play a larger role in the marketing of the studio and management of the discipline. Actively promote and advocate for increased energy...

Job Description The Senior Thermal-Mechanical Engineer will play a crucial role in our team, leading the development and integration of aerospace and space communications equipment. With a primary focus on RF communications, this role involves designing thermal-mechanical solutions for high-performance electronics, including SpaceVPX/VITA-based systems. The successful candidate will have extensive experience in thermal management, structural analysis, and environmental qualification, ensuring our equipment meets the demanding requirements of aerospace and space environments. Responsibilities Lead thermal-mechanical architecture and detailed design for aerospace communications equipment, with a focus on RF systems. Design thermal management solutions for high-power RF amplifiers, processors, and other high-density electronics. Develop mechanical packaging and thermal solutions for SpaceVPX and VNX-based systems, ensuring optimal performance and reliability. Perform...

Type of position: Régulier Your future role on our team To develop new or existing clients through the successful project execution in North East Ontario based out of Timmins. You'll work in collaboration with our multidisciplinary offices: Sudbury-Toronto-Rouyn. You will be part of a team of professionals committed to serving industrial clients, working on both OpEx and CapEx projects. We offer a stimulating and friendly environment where you'll be given mandates that will push you to excel, both at the office and on site. BBA is growing and looking for a seasoned mechanical engineer with strong industrial knowledge, preferably in mining (material handling, pumping & piping, etc.). If you are passionate about helping clients (seller-doer), we are interested in talking to you. We expect you to have a strong background in design and project delivery. Our team is supportive and provides a pool of resources to meet the requirements for your projects. You will also have the...

The Role LettrLabs is reinventing direct mail. With our own in-house handwriting robotics, we're challenging traditional direct mail manufacturing from the ground up. We're looking for a Senior Mechanical Design Engineer to own the mechanical design and development of complex electromechanical systems from concept through production - and to be instrumental in building our next-generation production automation platform. You'll take projects end-to-end: translating requirements into robust, manufacturable designs, validating them through analysis and prototyping, and seeing them through to commissioning. You'll work closely with cross-functional partners in electrical, controls, manufacturing, and quality, as well as external vendors and suppliers. This is a hands-on, high-ownership position for an engineer who is equally comfortable at a whiteboard, in CAD, and on the shop floor. Why Join Us Design the machines that make our product possible - you're not supporting a...

Job Type Full-time Description Who We Are Mazzetti is a global engineering design and consulting firm with a rich history of delivering forward-thinking solutions primarily for Healthcare and Science and Technology facilities and infrastructure. As an employee-owned benefit corporation, we are committed to bending the climate curve™. Though our story began with a small team of MEP engineers, 60 years later, we've grown to 200+ people in 12 locations across the U.S., India, and Africa. We are proud to partner with clients, addressing a spectrum of needs, mindful of their environmental footprint, resiliency, and economic and functional interests. Our Vision: Creating healthier, enduring environments Our Mission: Bending the climate curve™ Our Core Values: Earn Trust, Team First, Inspire We proudly hold the JUST Label, an affirmation of our values-driven culture and commitment to environmental and social impact. Job Summary Mazzetti's Mechanical, Electrical, Plumbing...

Role: Senior Mechanical Engineer Location: San Diego, CA Salary: $120,000 - $160,000 / yr + stock options, 401k matching, and other benefits Role Overview: Seasats deploys unmanned surface vessels (USVs) on multi-month missions that rely on top-quality mechanical systems. Our mechanical engineering team designs and builds these systems, providing customers with products they can count on. Our team has grown to keep pace with rapidly multiplying projects, and now we're looking to recruit a senior engineer. This person will remove bottlenecks and execute plans, work with mechanical and vehicle design leadership, and mentor and coach junior engineers. Role Details: Each person on this team has a lot of autonomy and responsibility. Some tasks will include: Designing parts and assemblies Working with junior engineers Assisting in timeline and plan creation Shaping design and organizational processes within the engineering team Reviewing, detailing, and configuration...