165 principal mechanical engineer jobs found

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...

Valdes Architecture & Engineering is seeking an accomplished Principal Mechanical Engineer to provide senior technical leadership across municipal infrastructure, water and wastewater, building systems, industrial process facilities, utility and power infrastructure, and life sciences markets. The Principal Mechanical Engineer is one of the most senior technical positions within the Mechanical Engineering Department and serves as a technical authority, mentor, and trusted advisor to clients and project teams. This individual leads complex mechanical engineering assignments, establishes technical direction, resolves difficult or non-routine engineering problems, provides senior-level quality review, and develops the technical capabilities of other engineers. The position requires independent engineering judgment and technical leadership from planning and conceptual design through construction and commissioning. Key Responsibilities Technical Leadership Serve as a...

About Torus Torus is headquartered in Utah and is expanding manufacturing at our 545,000-square-foot facility in Salt Lake City called GigaOne. We are the world's first mesh energy infrastructure, uniting communities through resilient, sustainable, and intelligent power. We design, engineer, manufacture, install, and support our systems end-to-end, standing behind them throughout their lifecycle. Torus systems help reduce costs, lower emissions, and protect facilities from outages, while strengthening the security and reliability of the broader utility grid. Torus is committed to American manufacturing, engineering excellence, and building energy systems that last. Torus has raised over $267 million from investors like Magnetar, Mercado, ICONIQ and Origin Ventures. The investments are helping to accelerate deployment of modular power plants across utilities, data centers, and industrial sectors. This investor confidence reflects the strength of our team, technology...

About Starpath Starpath Robotics is developing a full-stack solution for commercial scale rocket propellant production on the Moon and Mars. We are building one of the key enabling technologies that will make humans a multi-planet species. If high ownership, fast pace, working with hardware, and solving challenging technical problems sound like a dream come true, come join the team! Senior/Principal Mechanical Engineer In this role, you will be responsible for the development of critical mechanical systems on Starpath's Rover platform. Depending on your prior work experience, you may work on a variety of systems, such as: (1) low-cost, high-reliability electromechanical actuators, (2) various structures and passive mechanisms, or (3) thermal control systems and autonomy hardware integration. You will own these systems from developing design requirements through to flight. Responsibilities: Own architectures, systems, subsystems, and components from requirements to...

Location: United States - Minneapolis, MN Pay: $113,600 - 175,700 With more than $1B in revenue, Tennant Company is a globally recognized leader in the cleaning equipment industry. For the past 150 years, we have been passionate about developing and manufacturing innovative and sustainable solutions for our customers. At Tennant Company, we are committed to stewardship and creating a cleaner, safer and healthier world. With manufacturing, operations and sales, service, and support functions across the globe, your journey at Tennant can take you places you never expected. The Principal Mechanical Engineer is a senior technical authority responsible for defining and guiding the architecture, design strategy, and execution of complex mechanical and electro-mechanical systems within new product development. This role applies deep product and process technology knowledge, develops and applies advanced engineering methodologies, and provides technical direction where precedent may...

Attalon / Location Overview Attalon is a leading technology partner to the global aerospace and defense industry, specializing in lasers and precision optics. With over 500 employees in the U.S., Attalon engineers critical optical, laser, and coating technologies that enable systems to see farther, target faster, and survive the harshest environments. From high-energy directed laser systems to satellite optics and hypersonic thermal protection, Attalon equips the warfighter with the advantage of precision. This role is an on-site position based in Beavercreek, OH . Our Laser Systems Integration facility focuses on building high energy lasers for the defense market, supporting critical national security initiatives and defense innovation. At Attalon, we're redefining performance, precision, and reliability in defense technologies. Job Details A Principal ME will demonstrate expertise in the development of precision, opto-mechanical subsystems such as gimbaled telescopes,...

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 Rimkus, our Built Environment Solutions team operates on a global scale with the advantage of local expertise. Our licensed engineers, architects, and technical specialists bring deep knowledge of regional requirements and industry best practices, enabling us to deliver customized, high-quality solutions that maximize the success of our clients' investments. With a comprehensive portfolio that spans nearly every engineering and architectural discipline, we help organizations plan, build, and manage assets with confidence. What sets us apart is our forward-thinking approach. We integrate carbon footprint reduction, resiliency, maintainability, and long-term sustainability into everything we do helping clients not just meet today's needs but prepare for tomorrow's challenges. From design and pre-construction through construction, closeout, and ongoing operations, we provide tailored support at every stage. By identifying potential issues before they arise, we mitigate risks,...

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Solar Turbines is looking for a motivated team member to work on New Product Introduction (NPI) using the agile development process. The Principal NPI Mechanical Engineer is responsible for driving the development and delivery of new turbomachinery products from concept through beneficial use. This role leads mechanical design efforts, evaluates and refines design solutions, and ensures they are safe, high-quality, and cost-effective. Success in this...

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. The Platforms, Technologies, and NPI group at Solar Turbines is at the forefront of developing innovative, next-generation products that drive customer success across a wide range of industries. Working within a highly collaborative and agile development environment, this team is responsible for advancing new technologies that expand Solar's product portfolio and strengthen our competitive position. We are seeking an experienced and technically...

Attalon is a U.S.-based aerospace and defense technology company created in 2025 when Advent International carved out Coherent's Aerospace & Defense division. Attalon develops and produces mission-critical optical systems, precision coatings, and advanced laser subsystems used in ISR&T, space, missile, and directed-energy applications. Principal Opto-Mechanical Design Engineer Conceive and develop optical, mechanical, and opto-mechanical system and subsystem layouts. Create highly complex designs, collaborate with cross-functional partners to ensure optimal system performance, and deliver fast, efficient opto-mechanical concepts using 3D solid-modeling tools aligned with customer requirements. Provide support to Engineering, Program Management, and Operations through the design and development of models used for analysis, prototyping, production, and mechanical manufacturing activities as assigned. Responsibilities • Design intricate opto-mechanical components and...

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...

Summary of Position: Serves as a principal-level technical leader within the Structural & Cab Engineering Team. This role operates with a high degree of autonomy, provides subject matter expertise on complex mechanical and structural design assignments, and leads the translation of engineering direction into executable plans. The position is intended to provide senior technical leadership and succession capability for future engineering leadership needs. Responsibilities : Plan, conceptualize, and create mechanical designs for new and existing products while ensuring alignment with broader product, quality, manufacturability, and business objectives. Serve as a subject matter expert for complex mechanical and structural systems, including machine structures, winches/gearboxes, motors, sheaves, drums, enclosures, operator cabs, and related equipment systems. Develop mechanical and structural connection designs, including bolted, pinned, and welded connections, and guide...

Who We Are: As a recognized leader in space science research and spacecraft instrumentation, avionics, and electronics, we work to reveal the secrets of our solar system and the universe. The Solar System Science & Exploration Division of Southwest Research Institute pushes the boundaries of space exploration, solar physics, and mission operations. Our experts lead groundbreaking research, develop cutting-edge instruments, and operate space missions that expand our understanding of the universe. Objectives of this Role: Produce complex Mechanical Engineering designs and analysis in support of space instrument development, prototype development and proposal efforts. Experience in space instrument structures, optics, thermal, and or mechanism design. Produce mechanical designs using CAD software including layouts, drawings, bill of material development, mass properties management, integration and test plans, procedure development, verification and test plans. Perform...

Professional Engineer Department: Construction, Engineering, & Skilled Trades Employment Type: Full Time Location: Florida Compensation: $125,000 - $150,000 / year Description Job Title: Senior Electrical Engineer (P.E.) Location: Tampa, Florida (Onsite Required) Employment Type: Full-Time, W2 Compensation: $120,000 to $145,000 annual salary (Hard cap: $150,000) Schedule: Monday through Friday, 7:30 AM to 4:30 PM Travel Expectations: Occasional in-state travel for site visits. No regular overnight or out-of-state travel expected. About the Opportunity: Join a 52-year-old, privately owned, multi-disciplinary architecture and engineering firm based in South Tampa with a strong book of government and institutional work across the state of Florida. Long & Associates Architects/Engineers, Inc. offers a hands-on, in-house environment where collaboration across architecture, structural, mechanical, and electrical teams is the norm. This role is...

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 Description Take Your Design Career to the Next Level Kleinfelder, a Forbes' Top Employer for Engineers in North America, is committed to a people-first culture, technical excellence, and creating opportunities where employees can thrive! Are you ready to be challenged, make a difference, and experience professional growth in your career? Our collaborative, multidisciplinary group spanning architectural, structural, civil, electrical, mechanical, process engineering, pipeline design, and integrity management works together to deliver integrated, high-impact solutions. Step into Your New Role As a Water/Wastewater Project Engineer, you will work closely with principal technical professionals and project managers to engaged in and deliver the total lifecycle of our clients' needs. That may include asset management and planning, assistance with project funding applications, preliminary and final designs, procurement and bid phase assistance and construction phase...

Amentum is actively seeking a Supervising Discipline Engineer (SDE). This role will be responsible for a variety of engineering tasks in the initial planning through final design phase for Industrial projects of advanced complexity. The SDE is responsible for technical electrical project knowledge and managing the electrical engineering team to meet customer and project requirements regarding scope, scheduling and budgets. Provides a liaison between discipline engineers and Project Managers with respect to project scope, budget, scheduling and overall engineering and design requirements and employee administration. The SDE shall report to the Chief Discipline Engineer. Key Responsibilities • Assume responsibility for ensuring that engineering documents comply with applicable state laws/regulations, including affixing registered engineer seal when required. • Coordinate the electrical discipline's engineering with that of other disciplines. • Maintain records, files and other...

Job Description: Design Engineer | Grandville, MI Salary Range: $75,000 - $114,000 depending on experience Are you a meticulous professional with a passion for creating innovative product designs and solving engineering challenges? The Pivot Group Network, a West Michigan manufacturing-focused recruiting group, is dedicated to fostering meaningful relationships and supporting career growth. We are collaborating with companies in Grandville seeking experienced Design Engineers. We are building our network of talent in this field across West Michigan and the broader manufacturing region Pivot Group Network serves. Our partner companies may or may not have an immediate opening for this exact role today, but we actively look for skilled professionals in the regions where they operate. If there is alignment now or in the near future, we reach out. The Opportunity We are working with companies in Grandville that are adding Design Engineers to their teams. These organizations...

Job Description: Design Engineer | East Lansing, MI Salary Range: $69,000 - $108,000 depending on experience Are you a seasoned professional with a passion for creating innovative product designs and solving engineering challenges? The Pivot Group Network, a West Michigan manufacturing-focused recruiting group, is committed to fostering meaningful relationships and supporting community growth. We are collaborating with leading companies in East Lansing seeking Design Engineers to lead and enhance their operations. We are building our network of talent in this field across West Michigan and the broader manufacturing region Pivot Group Network serves. Our partner companies may or may not have an immediate opening for this exact role today, but we actively look for skilled professionals in the regions where they operate. If there is alignment now or in the near future, we reach out. The Opportunity We collaborate with manufacturing companies in the East Lansing region...