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Onsite mechanical engineer California

35 mechanical engineer jobs found

SA
May 02, 2026  
Product Development Engineer
$65,000 - $85,000 yearly
Description: Division: Emerging Technologies Group As the industry's leader in fiber optic interconnects, SENKO is relentlessly pushing the boundaries of technology. Our dynamic and fast-paced environment fosters a culture of creativity and collaboration, where your ideas can thrive. We partner with the world's most renowned technology giants, shaping the future of connectivity together. At Senko, you'll be part of a team that's passionate about innovation and dedicated to making a global impact. If you're ready to take your career to the next level and be at the forefront of technological advancements, Senko is the place for you. We are seeking  a highly skilled and experienced Product Development Engineer to lead the design, testing, and verification of fiber-optic connectors tailored for co-packaged optics applications. This role is ideal for an engineer with a strong background in opto-mechanical design and a passion for precision engineering in...
SENKO Advanced Components Camarillo, CA
AS
May 01, 2026  
Construction Project Engineer
About Us: We offer complete, single-source facility solutions. Our offerings include commercial MEP solutions, sheet metal construction, preventive maintenance and service, building automation, energy management, and more. Job Summary: Air Systems is looking for a Project Engineer to join our Construction team . This is a full-time position reporting to the Engineering and Estimating Manager. This position will be responsible for completing high quality projects within scope, deadlines, and hours while maintaining customer and project team relationships.   #airsys Essential Duties & Responsibilities: Collaborate with Project Management to research customer requirements, support client outreach, and align technical solutions with project goals Build, maintain, and strengthen long-term relationships with ASI clients through responsive communication and proactive support Develop proficiency in engineering, estimating methodologies, and industry-specific...
Air Systems, Inc. San Jose, CA
ME
May 01, 2026  
Senior Mechanical Estimator
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 Senior Estimator will provide technical assistance in support of the sales department. Provide technical support to the sales team throughout the preconstruction/pre-sales process, including job walks, design & build scope development, proposal writing, budgeting, estimating, project schedule preparation, value analysis, regulatory compliance, material takeoff and labor hours for all types of construction delivery methods involving HVAC systems retrofit, major service repair, piping, and sheet metal. Review construction documents and/or prepare sketches on the proposed retrofit solution and prepare...
Mesa Energy Systems, Inc. Fresno, CA
ME
May 01, 2026  
Senior Estimator - Commercial HVAC
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 Senior Estimator will provide technical assistance in support of the sales department. Provide technical support to the sales team throughout the preconstruction/pre-sales process, including job walks, design & build scope development, proposal writing, budgeting, estimating, project schedule preparation, value analysis, regulatory compliance, material takeoff and labor hours for all types of construction delivery methods involving HVAC systems retrofit, major service repair, piping, and sheet metal. Review construction documents and/or prepare sketches on the proposed retrofit solution and prepare the...
Mesa Energy Systems, Inc. San Leandro, CA
DC
May 01, 2026  
Project Engineer
About Us: We are a leader in fully-integrated electrical and building systems installations, with capabilities ranging from complete pre-construction and new construction to renovation and maintenance for a variety of markets. Our team is prepared to handle a wide range of projects from small-scale, time-and-materials jobs to large-scale, technology-intensive projects. Job Summary: Dynalectric Company San Diego is currently hiring a Project Engineer to be located at one of our key onsite projects in the greater San Diego area and/or at our office. The Project Engineer is responsible for assisting the Project Manager with planning and coordinating activities in the construction schedule.  They will assist with organization, scheduling, budgeting, and implementation. This individual must have the ability to support the Project Manager in resolving field problems as they arise. They need to have the ability to monitor job progress and understand construction financial and...
Dynalectric Company El Cajon, CA
BB
May 05, 2026  
Inside Sales Support (BAS)
$60,000 - $90,000 yearly
About Robert Bosch GmbH  Headquartered in Germany, Robert Bosch GmbH is a premier global supplier with four primary business sectors: Automotive Technology, Industrial Technology, Consumer Goods, and Energy and Building Technology. Over 400,000+ associates generate sales of over €90 billion. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.” Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The special ownership structure guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant investments in safeguarding its future. In North America, Robert Bosch LLC supplies automotive original equipment and aftermarket products, industrial drive and control technology, power tool, security and building...
Bosch Building Technologies LLC Anaheim, CA
UM
Apr 23, 2026  
Accounts Receivable Specialist
About Us: We are one of Southern California’s leading value-added mechanical contractors. With a focus on client requirements, we offer BIM capabilities, design-build services, sustainable solutions, commercial HVAC systems, and complex mechanical and industrial system installations. Job Summary: University Mechanical & Engineering Contractors, Inc. is currently seeking individuals for a full-time position as an Accounts Receivable Specialist located in El Cajon, CA. Essential Duties & Responsibilities: ESSENTIAL DUTITES AND RESPONSIBILITIES Note:  This is not intended to be either a detailed nor comprehensive description on any individual employee’s job content.  Managers set the specific duties and responsibilities for each employee. Prepare, process, and post customer invoices accurately and in a timely manner Monitor and manage accounts receivable aging reports to ensure timely collection of outstanding balances Apply customer payments...
University Mechanical & Engineering Contractors, Inc. El Cajon, CA
UM
Apr 23, 2026  
Accounts Payable Specialist
About Us: We are one of Southern California’s leading value-added mechanical contractors. With a focus on client requirements, we offer BIM capabilities, design-build services, sustainable solutions, commercial HVAC systems, and complex mechanical and industrial system installations. Job Summary: University Mechanical is currently seeking an experienced Accounts Payable Specialist for our San Diego CA location.                              Essential Duties & Responsibilities: ESSENTIAL DUTIES AND RESPONSIBILITIES Note:  This is not intended to be neither a detailed nor comprehensive description on any individual employee’s job content.  Managers set the specific duties and responsibilities for each employee. Processing of job-related invoices, including Subcontractors and material purchases. Processing of employee expense reports in accordance with company guidelines. Preparation of weekly check runs, including payments to Subcontractors. Reconciliation of...
University Mechanical & Engineering Contractors, Inc. El Cajon, CA
BB
May 05, 2026  
Building Automation Engineer Level II (BAS)
$38.00 - $53.00 hourly
About Robert Bosch GmbH  Headquartered in Germany, Robert Bosch GmbH is a premier global supplier with four primary business sectors: Automotive Technology, Industrial Technology, Consumer Goods, and Energy and Building Technology. Over 400,000+ associates generate sales of over €90 billion. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.” Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The special ownership structure guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant investments in safeguarding its future. In North America, Robert Bosch LLC supplies automotive original equipment and aftermarket products, industrial drive and control technology, power tool, security and building...
Bosch Building Technologies LLC Anaheim, CA
Fi
May 05, 2026  
Embedded & Automation Engineer
$140,000 - $230,000 yearly
Who We Are Firestorm is building the next generation of uncrewed aircraft and the advanced manufacturing systems that deliver them at speed. The Software Integration & Operations department owns the software layer that spans factory floor to cloud - the applications, automation, edge systems, and intelligence that make it possible to iterate product designs, automate advanced manufacturing, and scale production with uncompromising quality and rigor.  This team will own everything that runs on the factory floor below the application layer: real-time control software, cobot integration, bring-up automation, test fixtures, and the hardware abstraction layer that lets factory systems speak to our cloud platform. As an Embedded & Automation Engineer, you will build the software that turns a physical manufacturing cell into an intelligent, automated, data-producing system. You will integrate cobots, design and operate hardware-in-the-loop and software-in-the-loop test...
Firestorm CA
Ri
May 05, 2026  
Enterprise Account Executive, AI & Data Cloud
$300,000 yearly
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role The AI &...
Rippling San Francisco, CA
Ri
May 05, 2026  
SMB Account Executive, AI & Data Cloud
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role The AI &...
Rippling San Francisco, CA
Ri
May 05, 2026  
Staff Software Engineer - Payroll Data
$180,000 - $315,000 yearly
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role Payroll Data is...
Rippling San Francisco, CA
Ea
May 05, 2026  
Engineering Manager - Accounts Payable (ERP Integrations)
Headquartered in Irvine, California, EBizCharge specializes in developing integrated payment solutions that facilitate electronic payment processing within ERP, CRM, Mobile, and eCommerce applications. Our applications are PCI compliant and fully integrated with major ERP/accounting systems, including QuickBooks, Sage, SAP Business One, Microsoft Dynamics, NetSuite, Epicor, Acumatica, and major online shopping carts, including Magento and WooCommerce. EBizCharge offers its employees tremendous learning opportunities, career growth potential, and a dynamic work environment. EBizCharge is seeking an experienced Engineering Manager to work under the VP of Software Engineering - AP, to lead the development and rollout of Accounts Payable (AP) features across multiple ERP integrations. This role sits at the intersection of fintech, ERP systems, and scalable software engineering, and is ideal for someone who combines deep technical expertise with strong domain knowledge in AP...
EBizCharge and Century Business Solutions Irvine, CA
MD
May 04, 2026  
Controller
Atlas is an information technology company, backed by ARCH Ventures and Deerfield Management, advancing breakthrough platform technology leveraging synthetic DNA. We seek a Controller who brings precision and strategic insight to architect the financial infrastructure of a company creating an entirely new category. The Controller will lead all aspects of accounting, financial operations, and reporting. This successful candidate will be responsible for building scalable systems, strengthening internal controls, and ensuring financial accuracy and compliance. As the company’s finance leader, you will partner closely with the Executive Team and divisional leadership to support strategic decisions and operational growth. Responsibilities Oversee all day-to-day accounting operations, including general ledger, AP/AR, payroll, revenue recognition, and month-end close. Ensure accurate and timely financial statements in compliance with GAAP, including technical...
Mammoth DS, Inc South San Francisco, CA
EE
May 02, 2026  
PLS CADD Specialist
$1,680,000 - $2,040,000 yearly
PLS-CADD Specialist At EKN Engineering, we solve challenging problems with innovative engineering and configurable software solutions. We use an engineering-first approach, combined with data-driven strategies, to improve overall compliance, risk management, and design accuracy tailored to the specific needs of each client.   With decades of experience in engineering, our team of over 160 professionals in Irvine, California is dedicated to building a safer and more efficient tomorrow through engineering and technological innovation.   Role Overview : We are seeking a highly skilled and motivated PLS-CADD Specialist to join our team. The ideal candidate will have extensive experience in utilizing PLS-CADD software for the design, analysis, and optimization of overhead transmission and distribution lines. As a PLS-CADD Specialist, you will play a key role in supporting our engineering projects, ensuring accuracy, efficiency, and adherence to industry standards....
EKN Engineering CA
Ri
May 02, 2026  
Senior Staff Fullstack Engineer - Time Products
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role Every year,...
Rippling San Francisco, CA
Ri
May 02, 2026  
Senior Staff Software Engineer - Workforce Management
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role Every year,...
Rippling San Francisco, CA
Ri
May 02, 2026  
Senior Staff Software Engineer - Benefits
About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even third-party apps like Slack and Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock—and was named one of America's best startup employers by Forbes. We prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role Come help us...
Rippling San Francisco, CA
SA
May 02, 2026  
Project Coordinator
$50,000 - $70,000 yearly
Description: This is a hybrid position with a minimum of 3 days in office (Tuesday, Wednesday and Thursday) at the Poway, CA office. Division: Optical Communications  As the industry's leader in fiber optic interconnects, SENKO is relentlessly pushing the boundaries of technology. Our dynamic and fast-paced environment fosters a culture of creativity and collaboration, where your ideas can thrive. We partner with the world's most renowned technology giants, shaping the future of connectivity together. At Senko, you'll be part of a team that's passionate about innovation and dedicated to making a global impact. If you're ready to take your career to the next level and be at the forefront of technological advancements, Senko is the place for you. The Project Coordinator is responsible for leading the operational functions of the project management team in the process of developing new products until the time of the product release. They help drive projects...
SENKO Advanced Components Poway, CA
 
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