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309 senior lead mechanical engineer jobs found

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SP
Nov 23, 2025
Full time
Lead/Senior Mechanical Design Engineer
Simplexity Product Development San Diego, CA, USA
Simplifying the Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process. Why join Simplexity Product Development? If you're an engineer who likes variety in your job, you'll fit right in here. Simplexity works across a breadth of projects - from robotics and IoT to medical devices, consumer wearables, automation and more. You won't be siloed into one tiny piece of the organization; you'll roll up your sleeves and help solve real, difficult problems for demanding clients who expect excellence. Our teams are tight, collaborative, and made up of folks who genuinely want to build something cool and delight our customers. Yet that doesn't mean grinding for 60-hours per week, week-over-week. We believe that...
ST
Sep 13, 2025
Full time
Mechanical Engineer
Seek Thermal, Inc Goleta, CA, USA
Company Description Hi, We're Seek Thermal. Seek is a growth tech company working to bring thermal imaging to as many people as possible. With a focus on safety critical missions and high quality products, Seek is a fun tech company working to bring advanced hardware and software to its customers. Under the direct supervision of the Vice President of U.S. Sales, the Regional Sales Manager is responsible for the revenue growth and profitability of the assigned West Western Territory. The Regional Sales Manager will achieve this goal by driving revenue through Seek Fire Channels. The Regional Sales Manager will develop and expand relationships throughout the region. The Sales Manager will be the face of the Seek brand with our, dealers/distributors and Seek Fire Product end-users, executing and managing all sales, and training efforts for the Seek Fire Products brand. We love where we work, and so can you. Sorry- we are unable to sponsor a work Visa Job Description...
ST
Aug 25, 2025
Full time
Sr. Mechanical Engineer
$140,000 yearly
Seek Thermal Inc. Santa Barbara, CA, USA
Job Type Full-time Description Hi, We're Seek Thermal. Join us on our mission to make thermal imaging a part of everyday life! At Seek, you'll get to work with the world-class engineers that pioneered the technology, and now they're building an organization that's built on that same pioneering spirit...but we can't do it alone. We want your ideas, your enthusiasm, and your passion to help us make thermal imaging a part of everyday life, for everyone. We love where we work, and so can you. What We're Looking For The Senior Lead Mechanical Engineer will serve as a technical leader of mechanical design for next-generation thermal imaging products. This role requires deep technical expertise, cross-functional leadership, and the ability to guide a team through the entire product lifecycle, from early concept to volume manufacturing. You will collaborate with electrical, optical, firmware, and manufacturing teams to deliver rugged, high-performance, and manufacturable...
3DEO
Oct 10, 2025
Full time
Senior Mechanical Engineer
$130,000 - $175,000 yearly
3DEO Torrance, CA, USA
Job Title: Senior Mechanical Engineer — Industrial Machine Design & Integration Department: R&D Reports to: Director of Engineering Employment Type: Full-Time FLSA Status: Exempt The Company: 3DEO is a leader and innovator in sinter-based additive manufacturing (AM), delivering proprietary and differentiated AM solutions that drive breakthrough product performance. With some of the industry’s highest-volume capabilities in metal 3D printing, 3DEO combines cutting-edge manufacturing with multi-disciplinary engineering and product development expertise. Our patented and award-winning technology has revolutionized how customers approach design, enabling high-volume production with unmatched quality, precision, and cost efficiency. Holding roughly 20 patents, 3DEO is more than a manufacturer – we are a trusted partner in solving complex challenges and unlocking the full potential of AM. At 3DEO, we collaborate closely with customers in...
Le
Dec 19, 2025
Full time
Senior Project Engineer - Electrical - LA
$75,000 yearly
Legence El Segundo, CA, USA
CMTA (formerly AMA Group), a Legence company CMTA is one of the fastest-growing engineering firms in the U.S., known for sustainable, high-performance building systems and complex MEP/FP delivery. Through AMA's design expertise in media, broadcast, and production facilities-and CMTA's national portfolio in education, healthcare, and zero-energy projects-we pair deep technical craft with an innovative, collaborative culture that accelerates careers. CMTA, formerly known as AMA Group, is seeking a Senior Project Engineer - Electrical, who will be responsible for designing electrical systems on a range of both small and large projects. This is a hands-on role that will be given the opportunity to lead projects and represent AMA in all interactions with clients, contractors, architects, and other project team members. In this role, the Senior Project Engineer will receive guidance and mentorship from Senior Engineers and will be trained to become a Project Manager. Key...
Pi
Dec 19, 2025
Full time
Senior Systems Engineer
$82,500 - $187,500 yearly
Pivotal Palo Alto, CA, USA
Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly, the first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal vehicles are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been in development, preparing to enter the market for over 10 years. We recently announced our next-generation aircraft, the Helix, planned for general release and scalable production in early 2025. Mobility is one of the most highly-valued areas of technology investment today. This is the right company, in the right space, the right strategy, at the right time. We invite you to join our amazing team and grow with us. As a Senior Systems Engineer, you will develop, lead, maintain system requirements and system...
LL
Dec 19, 2025
Full time
Nuclear Facility Mechanical Cognizant Systems Engineer
$140,700 - $214,032 yearly
LLNL Livermore, CA, USA
Company Description Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission. Pay Range $140,700 - $214,032 Annually $140,700 - $178,392 Annually for the SES.2 level $168,780 - $214,032 Annually for the SES.3 level This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee's position within the salary range will be based on several factors including, but not limited...
LL
Dec 19, 2025
Full time
Nuclear Facility Mechanical Cognizant Systems Engineer
$9,775 monthly
LLNL Livermore, CA, USA
Company Description Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission. Pay Range $140,700 - $214,032 Annually $140,700 - $178,392 Annually for the SES.2 level $168,780 - $214,032 Annually for the SES.3 level This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee's position within the salary range will be based on several factors including, but not limited...
Ra
Dec 19, 2025
Full time
Senior Electrical Engineer, Mission Critical Facilities
$96,677 - $132,931 yearly
Ramboll Los Angeles, CA, USA
Company Description Sr. Electrical Engineer Job Type: Full-time Locations: Los Angeles, CA, Valhalla, Binghamton or Syracuse, NY or Charlotte, NC Ramboll's Data Center Facilities team (formerly EYP Mission Critical Facilities) is a pioneer and leader in Data Center Strategy, Planning, Design, Integration, Commissioning and Testing with experience working in thousands of data centers in the U.S. and across the globe. We provide a broad set of services for enterprise, institutional, web scale, service provider and colocation companies. Your new role As our new Sr. Electrical Engineer, you will be joining our Data Center Facilities design team. You'll work on data center projects during every stage of their development with a multidisciplinary team of engineers and designers. You will be involved in developing leading edge electrical infrastructure solutions to address data center designs for some of the industry's leading names for enterprise, hyperscale and...
KP
Dec 19, 2025
Full time
Senior Civil Structural Engineer
Kairos Power Alameda, CA, USA
Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary Kairos Power is seeking a Senior Civil Structural Engineer to support the structural design of the reactor building for its Generation IV Nuclear Power Plant, including scaled prototypes and test facilities. As part of the Design Phase Interface Team, this role ensures seamless coordination of structural design across disciplines through technical guidance, clash resolution, stakeholder collaboration, and advanced structural analysis. The ideal candidate...
Ra
Dec 18, 2025
Full time
Senior Electrical Engineer, Mission Critical Facilities
$96,677 - $132,931 yearly
Ramboll Los Angeles, CA, USA
Company Description Job Description Sr. Electrical Engineer Job Type: Full-time Locations: Los Angeles, CA, Valhalla, Binghamton or Syracuse, NY or Charlotte, NC Ramboll's Data Center Facilities team (formerly EYP Mission Critical Facilities) is a pioneer and leader in Data Center Strategy, Planning, Design, Integration, Commissioning and Testing with experience working in thousands of data centers in the U.S. and across the globe. We provide a broad set of services for enterprise, institutional, web scale, service provider and colocation companies. Your new role As our new Sr. Electrical Engineer, you will be joining our Data Center Facilities design team. You'll work on data center projects during every stage of their development with a multidisciplinary team of engineers and designers. You will be involved in developing leading edge electrical infrastructure solutions to address data center designs for some of the industry's leading names for enterprise,...
Sa
Dec 17, 2025
Full time
Senior Mechanical Engineer
$111,000 - $155,000 yearly
Safran Irvine, CA, USA
Job details Domain Research, design and development Job field / Job profile Mechanics - Mechanical part or subassembly design Job title Senior Mechanical Engineer Employment type Permanent Professional category Professional, Engineer & Manager Part time / Full time Full-time Job description For us, working at Safran is more than just a job; it's a passion. There's the unique opportunity to lead the way in aerospace and defense and contribute to creating a safer and more sustainable world. Job Summary The Mechanical Engineer is a key member of a cross-disciplinary team driving the design, development and execution of the pilot control, actuation systems and cockpit solutions program for the next generation of military and commercial aircraft. The Mechanical Engineer works on the development of new products, and the improvement and sustainment of existing products. Engineering duties will span the entire product lifecycle, from initial design and...
CE
Dec 16, 2025
Full time
Senior Instrumentation and Controls Engineer
$130,000 - $170,000 yearly
Carollo Engineers Inc. Costa Mesa, CA, USA
Overview Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. We are seeking a Senior Instrumentation and Control Engineer to help develop I&C designs for water and wastewater facilities. At Carollo you'll make an impact at an organization that does meaningful work, fosters a collaborative team culture, and creates a diverse, inclusive environment where you feel like you belong. You'll work alongside a collaborative and dynamic team of professionals that is truly passionate about our work. Carollo's vision is to be the BEST water consulting firm and you'll find that Carollo is also the best place for you to build your career. Responsibilities Works with project manager and clients Develops scopes of work for I&C systems, networks and projects Leads I&C design teams for medium and large projects Designs PLC SCADA networks for medium and...
Di
Dec 15, 2025
Full time
Manufacturing Engineer (All Levels)
$91,800 - $126,200 yearly
Divergent Torrance, CA, USA
Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Production System (DAPS) that comprehensively uses machine learning to optimally engineer, additively manufacture, and flexibly assemble complex integrated vehicle structures and subsystems. Products created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Divergent is a qualified Tier 1 supplier to global automotive OEMs, and Divergent is now expanding to support mission critical needs in the Aerospace and Defense sector. Join us to be a part of this transformative journey, where your impact will shape the future of technology and production. Purpose The Manufacturing Engineer bridges design and production, optimizing designs for manufacturability while enhancing processes to support...
HG
Dec 12, 2025
Full time
Sr Building Performance Engineer
HGA San Francisco, CA, USA
Overview: Help Shape the Future of Sustainable Building Performance at HGA as a Senior Building Performance Engineer on the West Coast! HGA, an award-winning architectural, engineering, and planning firm , is seeking a talented and ambitious Senior Building Performance Engineer to help lead and grow HGA's Building Performance presence on the West Coast . If you are passionate about optimizing energy performance and ensuring sustainable, high-performing systems, this is the role for you. It is expected this role will focus on the energy performance of buildings throughout the design and post-construction phases. You will be integral in commissioning and optimizing HVAC systems , air and water distribution systems , building automation systems , electrical systems , plumbing systems , and other related equipment to ensure optimal performance across diverse, impactful projects. What You'll Do: Lead the commissioning and optimization of building systems,...
Qc
Dec 11, 2025
Full time
Principal Electrical Engineer - Level 5
$170,000 - $190,000 yearly
Qcells Irvine, CA, USA
Description Title: Principal Electrical Engineer - Level 5 Department: Engineering Location: Irvine, CA Supervisor: Manager of Electrical Engineering FLSA Status: Exempt Position Status: Permanent, Full-time Work Status : (Hybrid/Remote/In-Office): Remote PRINCIPAL ELECTRICAL ENGINEER - LEVEL 5 Hanwha Qcells USA Corp ( Qcells USA), headquartered in Irvine, CA, specializes in providing utility-scale modules, solar photovoltaic (PV), and battery energy storage systems (BESS) project development, along with Engineering, Procurement, and Construction (EPC) services for solar and BESS projects nationwide. Qcells USA delivers comprehensive turnkey solutions encompassing the entire utility-scale project lifecycle. By choosing Qcells USA for turnkey solutions, customers can reduce uncertainty and risk, leading to enhanced investment returns and contributing to a more sustainable future. Qcells USA's complete turnkey solutions seamlessly integrate the expertise of our...
HG
Dec 10, 2025
Full time
Senior Mechanical Engineer
Harris Group Thousand Oaks, CA, USA
Harris Group thrives on providing expert engineering for some of today's most complex challenges. We are creative in our approach by delivering multi-discipline services across a wide range of project types. Our successes are directly related to high-quality collaboration, across all offices, expertise, and backgrounds. Harris Group is a 100% Employee-Owned company with our eyes focused on the people in the company, the clients we serve, and the communities in which we live. Harris Group is looking for a Senior Mechanical Engineer to be based in our Thousand Oaks, CA office. This role is responsible for providing professional engineering expertise to our projects that seek to positively impact both the community and the environment. The incumbent will work on innovative designs and see diverse projects through development, detailed design, commissioning, and construction support. What We Can Offer You Variety of project types: Life Science, Industrial Manufacturing, Biofuels,...
HG
Dec 10, 2025
Full time
Senior Mechanical Engineer
Harris Group Lafayette, CA, USA
Harris Group thrives on providing expert engineering for some of today's most complex challenges. We are creative in our approach by delivering multi-discipline services across a wide range of project types. Our successes are directly related to high-quality collaboration, across all offices, expertise, and backgrounds. Harris Group is a 100% Employee-Owned company with our eyes focused on the people in the company, the clients we serve, and the communities in which we live. Harris Group is looking for a Senior Mechanical Engineer to be based in our Lafayette, CA office. This role is responsible for providing professional engineering expertise to our projects that seek to positively impact both the community and the environment. The incumbent will work on innovative designs and see diverse projects through development, detailed design, commissioning, and construction support. What We Can Offer You Variety of project types: Life Science, Industrial Manufacturing, Biofuels,...
AW
Dec 07, 2025
Full time
Senior Project Engineer
$100,000 - $130,000 yearly
Applied Water Managemen CA, USA
Who Are We: At Natural Systems Utilities, we are dedicated to providing sustainable, innovative solutions in the water and wastewater services industry. Specializing in the design, operation, and maintenance of utility systems, we prioritize environmental responsibility, reliability, and customer satisfaction. Join our team and be part of an organization that values teamwork, integrity, and a commitment to a sustainable future. Role Summary: NSU is seeking a skilled and experienced Senior Project Engineer to join our dynamic Engineering team. The Senior Project Engineer will carry out engineering tasks and activities on a variety of water and wastewater projects either independently or under limited direction by performing duties personally or guiding other team members. The ideal candidate will have 5-10 years of relevant experience in wastewater design, particularly in designing pump stations and treatment plants. The candidate should be well-versed in preparing design...
TS
Dec 06, 2025
Full time
Senior Thermal Engineer
$125,000 - $175,000 yearly
Turion Space Irvine, CA, USA
At Turion Space, we're building spacecraft to secure Earth and expand humanity's reach beyond it. We are seeking a Senior Thermal Engineer to lead the design, analyze, test, and implementation of satellite systems. You will work closely with the Turion Space team across software and hardware systems to maximize satellite capabilities. Your creativity, experience, and ambition will directly impact the architecture of the vehicle's systems as the missions increase in complexity. This is a full-time , exempt position based on-site at our Irvine, California headquarters. Key Responsibilities Lead thermal design of hardware, from initial high-level layout and analysis down to validation of performance with ground tests Consult with other disciplines as a Subject Matter Expert (SME) in Thermal Analysis Provide ongoing mentorship to junior engineers Automate workflow to reduce engineering investment in the design cycle Build and control system-level thermal models...
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