42 senior mechanical engineer jobs found

H.F. Lenz Company is seeking a registered, Senior Mechanical Engineer experienced HVAC and Mechanical system design. This position will work directly with a nationally recognized team of Principals in Charge and engineering professionals. This role will lead the building system engineering of mechanical, HVAC, plumbing and fire protection systems, as well as project management functions for a diverse project and client portfolio in the healthcare, higher educational and commercial markets. This position will report to our Middletown CT office location. Why H.F. Lenz: H.F. Lenz Company is a nationally recognized building systems engineering and design firm with projects spanning across the US. Our multi-disciplinary engineering teams provide mechanical/HVAC, electrical, plumbing/fire protection, civil and structural services. In business for over 75 years, H.F. Lenz is built on the core values of professional development, quality service, teamwork and collaboration....

Job Title: Senior Mechanical Engineer Location: Groton, CT (In-Person, Full-Time) Department: Mechanical Engineering Reports To: Mechanical Engineering Manager Position Summary: ThayerMahan, a leader and a fast-growing, mission-focused, innovative technology company in the Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence (AI) space is seeking a highly skilled and experienced Senior Mechanical Engineer to join and strengthen our growing mechanical engineering team. This role is ideal for a hands-on engineer who thrives in a fast-paced environment and is passionate about mentoring the next generation of engineers. You will play a critical role in the design, development, and deployment of marine systems while serving as a mentor and technical guide for a talented team of young engineers. Key Responsibilities: Design & Development: Lead the design, analysis, and testing of mechanical components and systems for marine systems. Mentorship...

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 (Miami) and Tampa, FL; Chicago, IL; St. Louis, MO; Charlotte and Raleigh, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; Denver, CO; 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 is seeking an experienced Senior Mechanical Engineer in our New Haven, CT or Boston, MA office. The candidate must be strongly motivated, well organized, and show professional initiative The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and...

LiquidPiston This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026. About LiquidPiston LiquidPiston, Inc. is reinventing the internal combustion engine. Our patented X-engine architecture is a compact, lightweight, and fuel-efficient rotary engine that operates on a novel thermodynamic cycle. With applications in defense, aerospace, robotics, and portable power, we're developing the next generation of high-performance, compact engines for critical power systems. We are seeking a Senior Design Engineer to play a key role in the design, simulation, and development of our advanced rotary engines. This is a hands-on, high-impact engineering role ideal for someone with a deep understanding of engine systems, a passion for innovation, and a strong background in mechanical design and simulation. Key Responsibilities: Generate and evaluate new ideas to improve the performance, durability, and...

Labcorp is a global leader in laboratory services, providing the insights and answers that help healthcare providers, patients, researchers, pharmaceutical companies and health systems make confident decisions and improve outcomes. Through our unparalleled science, data, technology and laboratory network, we advance diagnostics, accelerate innovation and help address some of the world's most important health challenges. As we shape the future of healthcare, we are leveraging advanced technologies, intelligent digital solutions and data-driven innovation across our operations to enhance how work gets done and deliver greater value to customers and patients. With our global scale and deep expertise, you'll have the opportunity to do meaningful work, grow your career and make a real impact on people's health around the world. Together, we're improving health and improving lives. Labcorp is seeking a Mechanical Engineer Intern to join our Engineering Team located in Bloomfield,...

Senior Aerospace Engineer / Aircraft CAD Integrator Location: Suffield, CT Schedule: Onsite, 5 days per week Why LiquidPiston? LiquidPiston is developing next-generation propulsion technology for aerospace, defense, and advanced mobility applications. Our compact rotary engine technology delivers high power density in a lightweight package, creating new possibilities for VTOL aircraft, UAS, hybrid-electric propulsion, and other demanding applications. At LiquidPiston, engineers have the opportunity to work on technology that moves quickly from concept to hardware to testing. This is a highly collaborative, hands-on environment where you will have meaningful ownership and see the direct impact of your work. If you enjoy solving difficult engineering problems, working across disciplines, and turning innovative concepts into real hardware, this is an opportunity to make a significant impact on the development of advanced aircraft and propulsion systems. The Opportunity...

About Us At Verogy, our mission is to "Impact Positive Change" for our clients, employees, and the environment. We operate based on a set of core values focused on driving positive, productive, and inclusive behavior. Our commitment to excellence and innovation drives us to design, develop, and implement cutting-edge solar projects that make a tangible impact on the environment and the communities we serve. Your Impact We are seeking an experienced and technically driven Senior Project Engineer to provide expert-level engineering oversight across our growing portfolio of commercial, industrial, and utility-scale solar projects. In this role, you will serve as the technical authority for project engineering, ensuring our designs meet the highest standards of constructability, electrical performance, safety, and financial viability. You will bring deep solar engineering expertise, specifically on the electrical side of operations, along with the ability to lead technical reviews,...

Design Engineer Internship - LiquidPiston: Multiple Openings Available Location: Suffield, CT Employment Type: Full-time Internship (Spring Semester 2027) Compensation: Paid About LiquidPiston: LiquidPiston is a fast-growing propulsion technology company reinventing the internal combustion engine with our patented X-Engine rotary architecture and High Efficiency Hybrid Cycle (HEHC). Our engines deliver dramatically higher power density, efficiency, fuel flexibility, and compactness than traditional piston designs - making them ideal for UAVs, defense systems, hybrid-electric propulsion, portable power, and aerospace applications. We're transitioning from pure R&D to industrialization and commercialization, creating exciting opportunities to impact real product development in a small, high-energy team. Why Intern at LiquidPiston? This isn't an internship where you'll spend the semester making PowerPoint slides or watching from the sidelines. You'll be working on real...

About the role The Senior Project Management Consultant (Electrical Engineer) serves as the electrical engineering subject matter expert within the CBRE Project Management and Facilities Maintenance teams, supporting key stakeholders and Pratt & Whitney facilities across the East Hartford campus. This role provides technical leadership on electrical systems in support of both capital (CapEx) and maintenance, repair, and operations projects. The position partners with project managers and maintenance personnel to develop technical scopes, assess design feasibility, and support execution strategies aligned with campus infrastructure and operational requirements. Working cross-functionally with project managers, plant engineering (mechanical, structural, etc.), and internal customers to coordinate new equipment installations. This role ensures electrical considerations are effectively integrated into project planning and delivery. The position also collaborates with...

Senior Power Electronics Engineer - LiquidPiston This role is fully onsite in Bloomfield, CT, five days per week. The company will be relocating to Suffield, CT later in 2026. About LiquidPiston LiquidPiston is revolutionizing combustion engine technology through the development of advanced rotary engines and integrated hybrid power systems. Our innovative designs aim to dramatically improve efficiency, reduce size and weight, and enable cleaner, more compact power solutions across defense, aerospace, and commercial sectors. Position Overview This role is ideal for someone who enjoys owning hardware from concept through production. While power electronics is a major part of the job, this is not a narrowly scoped "design one converter for a year" role. The right candidate is excited by the broader challenge of building reliable, high-performance products in a small-company environment where priorities evolve quickly and engineers wear multiple hats. Key Responsibilities...

Chief Engineer Location: Bloomfield, CT (Fully onsite - no remote option) About LiquidPiston LiquidPiston (LPI) is reinventing the internal combustion engine. Our patented rotary X-engine platform enables ultra-efficient, compact, and power-dense engines with applications across aerospace, defense, commercial, and mobility sectors. We're building the future of propulsion-and we're looking for visionary leaders to join us on this journey. Position Overview As Chief Engineer, you will be at the forefront of bringing LPI's revolutionary High Efficiency Hybrid Cycle (HEHC) rotary engine to market. Collaborating closely with company leadership, cross-functional engineering teams, and external partners, you will lead the technical execution of a major engine development program from prototype to production. This is a hands-on, lab-centered role for an experienced, strategic, and inventive engineering leader who thrives in an R&D environment. Key Responsibilities:...

Overview M&J Engineering, D.P.C. is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations. M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company's Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual...

Creating Peace of Mind by Pioneering Safety and Security At Allegion, we help keep the people you know and love safe and secure where they live, work and visit. With more than 40 brands, 14,000+ employees globally and products sold in 130 countries, we specialize in security around the doorway and beyond. Additionally, Allegion is proud to be recognized with the 2026 Gallup Exceptional Workplace Award (GEWA) for the third consecutive year, earning distinction in both the employee engagement and strengths categories. This year, Allegion also received Gallup's With Distinction honor - a designation reserved for a select group of organizations that go above and beyond in building exceptional workplace cultures. Greenfield IN 6825 West 400 North Mechanical Engineering Manager - Stanley Access Technologies, Farmington, CT or Greenfield, IN Stanley Access Technologies, a division of Allegion, is recognized as an industry leader in the manufacturing, installation, and servicing...

About Us TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP's 83,000 experts create positive, long-lasting impacts for our communities and our clients in the power and energy, transportation and infrastructure, environmental, and property and buildings sectors. As part of our team, you'll discover a world of opportunities to connect with innovative thinkers, forge your path, and have fun tackling the world's most challenging projects. At TRC, Member of WSP, you can have a rewarding career on every level. TRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. From pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry...

TTM Technologies, Inc. - Publicly Traded US Company, NASDAQ (TTMI) - Top-5 Global Printed Circuit Board Manufacturer About TTM TTM Technologies, Inc. is a leading global manufacturer of technology products, including mission systems, radio frequency ("RF") components, RF microwave/microelectronic assemblies, and technologically advanced printed circuit boards ("PCB"s). TTM stands for time-to-market, representing how TTM's time-critical, one-stop design, engineering and manufacturing services enable customers to reduce the time required to develop new products and bring them to market. Additional information can be found at www.ttm.com Scope: This position is responsible to research and implement automation ideas and improvements to the production floor. The engineer will need to understand the equipment and process for each work area on the production floor. Improvements will need to be identified and implemented in a timely manner. The engineer will also be responsible...

Job Description This Opportunity WSP is currently initiating a search for a Senior Bridge Inspection Team Leader, Senior Structural Engineer to join our exceptional Bridge & Infrastructure Inspection Team in New England, which includes offices in Boston, MA; Worcester, MA; Glastonbury, CT*; and Providence, RI . This is an exciting opportunity for someone who is new to people leadership and interested in becoming a Team Leader. At WSP, we are driven by inspiring the right people to be part of our future-focused business objectives. Our devotion to teamwork has allowed us to build communities and expand our skylines. Be a part of a collaborative team of experts and contribute to projects that help shape our communities and our future. Here at WSP, anything is within our reach and yours as a WSP employee. Come join us and help shape the future! *Please note: Positions based out of our Glastonbury, CT office will be primarily assigned to Connecticut Department of...

STV currently has openings for a Civil Project Engineer or Project Manager in the Transportation group in Hartford CT. STV is seeking an experienced and motivated Civil Project Engineer or Project Manager to join our Connecticut team, specializing in transportation infrastructure projects. The ideal candidate will have extensive expertise in Bentley's OpenRoads software. This role offers the opportunity to work on a wide range of roadway, highway, and transit projects, contributing to innovative design solutions that meet the highest quality standards, budget constraints, and project schedules. Key Responsibilities: • Utilize Bentley's OpenRoads software to develop and refine 3D models, alignments, profiles, corridors, cross-sections, grading and pipe networks for transportation projects. • Mentor and train junior engineers in the effective use of OpenRoads, offering guidance and support to build their technical skills. • Collaborate closely with a multidisciplinary...

Description GPI is seeking a motivated Bridge Engineer to join our growing transportation team in Shelton, Connecticut. This is an excellent opportunity for an engineer with 2 to 8 years of experience seeking to work on a diverse portfolio of bridge projects, including inspections, load ratings, rehabilitation, and replacement designs for public-sector clients throughout Connecticut and the Northeast. As part of our bridge engineering team, you will collaborate with experienced structural engineers and project managers on challenging transportation infrastructure projects while expanding your technical expertise and professional growth. Do you value a company that puts employee satisfaction at the forefront of who they are? If so, GPI wants you! GPI is a multi-discipline engineering firm providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top...

TTM Technologies, Inc. - Publicly Traded US Company, NASDAQ (TTMI) - Top-5 Global Printed Circuit Board Manufacturer About TTM TTM Technologies, Inc. is a leading global manufacturer of technology products, including mission systems, radio frequency ("RF") components, RF microwave/microelectronic assemblies, and technologically advanced printed circuit boards ("PCB"s). TTM stands for time-to-market, representing how TTM's time-critical, one-stop design, engineering and manufacturing services enable customers to reduce the time required to develop new products and bring them to market. Additional information can be found at www.ttm.com Scope: This position is responsible to research and implement automation ideas and improvements to the production floor. The engineer will need to understand the equipment and process for each work area on the production floor. Improvements will need to be identified and implemented in a timely manner. The engineer will also be responsible...

Job Description Introduction to the Job ASML US brings together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world's leading chipmakers - to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more powerful consumer electronics. Our headquarters are in Veldhoven, the Netherlands, and we have 18 office locations around the United States including main offices in Chandler, Arizona, San Jose and San Diego, California, Wilton, Connecticut, and Hillsboro, Oregon. The Production Engineer 2 is responsible for developing, optimizing, and sustaining manufacturing processes to support both New Product Introductions (NPI) and volume production. This role requires hands-on experience in a high-tech manufacturing environment,...