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234 senior building mechanical engineer jobs found

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senior building mechanical engineer California
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3DEO
Oct 10, 2025
Full time
Senior Software Engineer
$140,000 - $180,000 yearly
3DEO Torrance, CA, USA
Job Title : Senior Software Engineer – Slicer & Manufacturing Platform Development Department: R&D Reports to: Chief Operating Officer 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...
AE
Mar 30, 2026
Full time
Senior / Staff Mechanical Engineer, Fluid Systems
Antora Energy San Jose, CA, USA
Antora builds and deploys thermal energy storage to power always-on industrial operations and data centers with low-cost energy. Factory-built in California, Antora's thermal batteries deliver reliable and cost-effective heat and power for industrial loads of any size. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry. We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy. The Role Antora is seeking a self-driven and passionate Senior or Staff Mechanical Engineer, Fluid Systems to join our Product Development Team. In this role, you will own the design,...
SH
Mar 30, 2026
Full time
Supervising Mechanical Engineer
$128,681 - $165,447 yearly
Syska Hennessy Group San Francisco, CA, USA
Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in highly technical buildings and the systems that bring them to life. We are seeking a Supervising Mechanical Engineer to join our team in San Francisco, CA or Sacramento, CA office. As a Supervising Engineer, you will be responsible for representing the Firm in all interactions with clients, contractors, architects, and other project team members. You will be responsible for supervising, coordinating, and assigning various projects to be performed by the team. Our dynamic work environment provides the optimal setting to take your engineering career to the next level. From our supportive culture, diverse workforce, and competitive compensation to our flexible work schedule Monday to Thursday in the office for 9 hours and Friday for 4 hours remotely at home and fun social events,...
LL
Mar 30, 2026
Full time
Nuclear Facility Senior Mechanical Project Engineer
$175,530 - $267,060 yearly
LLNL Livermore, CA, USA
Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We are seeking a Nuclear Facility Senior Mechanical Project Engineer to provide engineering design solutions for new construction, upgrades to facility mechanical systems (i.e., ventilation, fire suppression, compressed gas, chillers, boilers), and modifications to conventional office and laboratory facilities. You will apply advanced technical knowledge in mechanical...
Ra
Mar 30, 2026
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,...
GC
Mar 30, 2026
Full time
Senior Pipeline Engineer
$134,970 - $188,960 yearly
Geosyntec Consultants, Inc. Los Angeles, CA, USA
Overview Do you want to build an impactful career to change the world for the better? Geosyntec has an exciting opportunity for a Senor Level Pipeline Engineer with at least 8 years of experience to help grow our pipeline engineering and geohazard management practice in our Los Angeles, CA office (other locations will be considered). This position is well-suited for a talented, experienced individual who is interested in being a leader and contributing to innovative and challenging projects involving mid-stream oil and gas pipeline systems and to further develop a new line of service for existing clients and support an industry leading Pipeline Geohazards Practice. Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients...
AM
Mar 29, 2026
Full time
Sr Engineer, Exterior
Aptera Motors Carlsbad, CA, USA
Aptera Motors is dedicated to building a future where every journey is powered by the sun. We specialize in creating solar electric vehicles that revolutionize the way we travel, providing sustainable and efficient transportation solutions. Company Culture is built on transparency, ethical treatment of one another, a bias for action, and leading by example. Vehicle Senior Engineer - Exterior Systems Carlsbad, California | Engineering | Full-time About the role The Sr. Engineer will develop, design, engineer and lead the implementation of the vehicle exterior trim system (exterior panels, covers, badges, wheel pant cover, body shields, etc.) for the Aptera solar electric products. This role will be responsible for the technical development, design, CAD, engineering, suppliers and components manufacturing, validation and implementation in production of this system. This role requires deep expertise in composite and body panels design, mechanical,...
Sp
Mar 29, 2026
Full time
Composite Manufacturing Engineer
Senior plc Burbank, CA, USA
Company Description Who is Senior plc? Senior plc is an international, market-leading, engineering solutions provider with 19 operating businesses in 11 countries. Traded on the London Stock Exchange, Senior designs and manufactures high-technology components and systems for the worldwide aerospace, defense, land vehicle and power & energy markets. Senior Aerospace SSP, a division of Senior plc, is the world's largest aerospace high-pressure ducting system supplier. Starting as 'Stainless Steel Products' in 1945, and acquired by Senior plc in 1995, we are vertically integrated with our own foundry, fabrication shop, and ISO-certified engineering lab, allowing us to design, manufacture, and qualify complex ducting systems for space launch, defense, and commercial aerospace applications worldwide. Why join SSP? Senior Aerospace SSP is the recognized global leader in high-pressure bleed air ducting systems. We provide "total resource" system solutions for complex ducting...
TS
Mar 28, 2026
Full time
Senior Spacecraft Integration Engineer
Turion Space Irvine, CA, USA
Turion Space is building the autonomous infrastructure required to operate, protect, and sustain the in-space economy. From on-orbit inspection and debris removal to autonomous spacecraft operations powered by Starfire OS, Turion's growth depends on disciplined capital planning, clear financial insight, and strong executive decision support. The Senior Spacecraft Integration Engineer will be responsible for the design, implementation, and continuous improvement of assembly and integration processes for complex spacecraft systems. This role is critical to ensuring our spacecraft are built to the highest standards of quality, reliability, and safety from mechanical integration through electrical assembly. You will work closely with cross-functional teams to resolve manufacturing anomalies, develop and refine processes, and drive efficiency across the production floor. Important Note to Applicants: This role requires prior direct, hands-on assembly and integration experience on...
SH
Mar 28, 2026
Full time
Senior Electrical Engineer
$109,703 - $164,554 yearly
Syska Hennessy Group San Francisco, CA, USA
Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group. As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning. We are seeking a Senior Electrical Engineer to join our team in San Francisco or Sacramento, CA . Your experience working in a consulting firm on healthcare projects will ensure your success in this role. Working from either our Los Angeles or San Diego offices, you will contribute to the design of major projects from both inpatient and outpatient healthcare engineering design across all phases from around the world. You will be part of a large team of over 100 engineers nationally with a wealth of experience, so this is a great opportunity to grow your career. Our dynamic work environment provides the optimal setting to take your career to the next level. From our...
In
Mar 28, 2026
Full time
Senior Mechanical Engineer I
$150,000 - $180,000 yearly
Innoflight San Diego, CA, USA
GROW WITH US AND STAY EXTRAORDINARY: Launch your career to new heights with Innoflight-one of San Diego's fastest-growing Aerospace and Defense innovators. Here, visionary minds engineer the future of space technology through pioneering, compact, and cyber-secure solutions. From software-defined radios to cutting-edge cryptographic systems and avionics, everything we build powers the next era of New Space. Join our small, agile, and mission-driven team where your work has real impact and your growth has no limits. We're not just reaching for the stars-we're engineering them. Let's innovate the infinite, together. A DAY IN THE LIFE: As a Senior Mechanical Engineer I at Innoflight, you will serve as a principal-level contributor providing technical leadership for the design, analysis, and integration of complex mechanical systems for aerospace and spaceflight applications. You will drive system-level solutions across multiple programs, resolve challenging engineering problems,...
EU
Mar 28, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Emcor UK El Cajon, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
GS
Mar 27, 2026
Full time
Senior Engineer (Mechanical or Aerospace)
GP Strategies Corporation Los Angeles, CA, USA
Come make an impact in the Public Sector! Join our team to do meaningful work and support high-impact government missions. GP Strategies Government Solutions, Inc. Government Training Solutions | GP Strategies , a wholly owned subsidiary of GP Strategies Corporation, focuses on helping every public sector team unlock its full potential through people performance solutions. Our work directly supports mission critical government agencies, including: Air Force Army Department of Defense (DoD) Department of Health & Human Services (HHS) Department of Homeland Security NASA National Highway Institute (NHI) | Federal Highway Administration (FHWA) State & Local Governments Our Mission is meaningful and powerful: to deliver innovative people performance through off the shelf and custom learning, mission specialists, and technology solutions, building deep partnerships with customers to help them achieve measurable mission and company performance improvements. GP...
EU
Mar 27, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Emcor UK San Leandro, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
HL
Mar 26, 2026
Full time
Senior OCS Design Engineer
$130,000 - $170,000 yearly
Hatch Ltd Los Angeles, CA, USA
Requisition ID: 96243 Job Category: Infrastructure; Construction; Engineering; Project Engineering; Project Management Location: Los Angeles, CA, United States Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 65 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you. Our expertise in infrastructure includes aviation, highways and bridges, planning and advisory services, ports, rail and transit, tunnels, and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is...
EU
Mar 25, 2026
Full time
Design Engineer I
$26.00 hourly
Emcor UK San Luis Obispo, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Essential Duties & Responsibilities The Design Engineer I will perform a variety of tasks assigned by Senior Engineers and Assist Project Managers and/or Design Engineers by participating in job site surveys and gathering information. Support Senior Engineers during audits and surveys as needed. Record identifying equipment function, tags, location, capacities, photos, etc. Trace piping and ductwork onto field Convert field surveys into useable formats for plan and project development. Assist in planning to size, replace, and retrofit new equipment to replace aged or obsolete equipment. Use AutoCAD to develop...
CV
Mar 25, 2026
Full time
Senior Mechanical Engineer
$160,000 - $180,000 yearly
CodeValue Berkeley, CA, USA
At Aircapture we're creating technology to solve what we believe to be our lifetime's most pressing challenge: the climate crisis. We supply commercial and industrial customers with clean CO2 captured from our atmosphere to radically improve the environment, our economy, and our lives. We value building a team of people who represent diverse backgrounds-be it thought, education, gender, ethnicity, age, sexual orientation-to reach our goals. Thank you for considering us. As a Senior Mechanical Engineer at Aircapture, you will apply your expertise with gas flow management and dynamic sealing to spearhead the design of our next generation Direct Air Capture "DAC" systems. This role is onsite at our development and production facility in Berkeley, California. If you are excited to have a major impact at a groundbreaking climate technology startup, this is the role for you! Salary: $160,000-180,000 per year What You'll Do Here Spearhead the design engineering effort for our next...
Ex
Mar 23, 2026
Part time
On-Call Exhibit Engineer
Exploratorium San Francisco, CA, USA
SUMMARY Exhibit Engineers are the primary staff responsible for exhibit design and production. Although exhibit designs will come from many sources and fabrication may be accomplished in coordination with other staff or entities, exhibit engineers ensure the functionality, reliability, safety, efficiency, and cost effectiveness of each exhibit. Exhibit engineering at the Exploratorium emphasizes the design and building of interactive exhibits with complex mechanical, electrical, and plumbing systems within design, budget, and schedule to fulfill the needs of the project. Exhibit engineers are also expected to be knowledgeable of current technologies and professional standards and to have an active role in the maintenance and improvement of existing exhibits, design practices, and documentation standards. This position reports to the Engineers Group Manager. ESSENTIAL FUNCTIONS Execution : Consistently deliver high-quality exhibit engineering across a number of projects...
EU
Mar 22, 2026
Full time
Design Engineer II
$38.00 hourly
Emcor UK San Luis Obispo, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Essential Duties & Responsibilities The Design Engineer II will perform various tasks assigned by the Senior Engineers and Developing the ability to independently conduct job site surveys with a complete understanding of the project's intent and be able to analyze and propose design solutions and installation Developing the ability to conduct audits and surveys as needed independently. Record identifying equipment function, tags, location, capacities, photos, etc. Trace piping and ductwork onto field Developing the ability to independently convert field surveys (sourced from self or others) into useable formats for...
SI
Mar 22, 2026
Full time
Senior Structural Analysis Engineer
Saratech, Inc. Mission Viejo, CA, USA
Senior Structural Analysis Engineer What You'll Do Perform stress analysis of metallic and composite structural components, assemblies and systems to provide inputs to the design and ensure structural integrity. Author, review and approve analysis documentation. Create and/or utilize Finite Element Models (FEM). Perform Durability and Damage Tolerance (DADT) assessments. Review and approve engineering definition for release in the product lifecycle system (PLM). Author, review and approve structural test plans and reports. Compare structural test results to analytical models (test vs Finite Element Model). Develop stress analysis tools and methodologies. Support multi-disciplinary configuration development and trade studies. Interface with materials & processes, structural test laboratories, flight test, manufacturing and customers/regulation authorities. Review, guide and support programs for new, supplemental and experimental certification under FAR Part 23 sub...
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