Mid-Level Mechanical Engineer Jobs in Los Angeles, CA

1 - 20 of 34 Jobs

Mid-Level Mechanical EngineerJob Title - Mid-Level Mechanical Engineer

Pond & CompanyCompany Name - Pond & Company

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Remote or Peachtree Corners, Georgia, USA

Full-time

About the Position We are seeking a Mid-Level Mechanical Engineer to join our growing Professional Design Services team in either one of the following Pond offices (Atlanta, GA; Augusta, GA; Savannah, GA; Jacksonville, FL; Tempa, FL; Port Orange, FL; Columbia, SC; Charlotte, NC; Huntsville, AL; Mobile, AL; New Orleans, LA) or as a Remote Employee. The ideal candidate possesses 5+ years of related MEP design engineering experience and wants to grow, collaborate, and innovate. In this position, t

Senior Mechanical Engineer - P2SJob Title - Senior Mechanical Engineer - P2S

Legence Therma LLCCompany Name - Legence Therma LLC

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Long Beach, California, USA

Full-time

P2S stands as a provider of professional engineering services to a broad range of markets, including higher education, healthcare, ports/harbors, industrial, entertainment, commercial, laboratories, municipal, and federal sectors. Our specialties include electrical, mechanical, plumbing, fire protection, and technology integration. Our offered services range from engineering and commissioning to construction management. With over 300 dedicated employees, P2S is an internationally recognized lead

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

JobotCompany Name - Jobot

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Long Beach, California, USA

Full-time

Senior Mechanical Engineer - Healthcare - Hybrid - Long Beach This Jobot Job is hosted by: Brett Tolmie Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $180,000 per year A bit about us: So excited to share this opportunity with one of the most impressive clients I have come across in the AEC arena in quite some time. Our client is a well-respected and award-winning leader in the consulting engineering, commissioning, and construc

Senior Mechanical Engineer, Stage PropulsionJob Title - Senior Mechanical Engineer, Stage Propulsion

Relativity SpaceCompany Name - Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Sr. Mechanical Engineer, Flight Termination System (Starship)Job Title - Sr. Mechanical Engineer, Flight Termination System (Starship)

SpaceXCompany Name - SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. MECHANICAL ENGINEER, FLIGHT TERMINATION SYSTEM (STARSHIP) As a member of the Flight Termination System team, you will have the exciting opportunity to be responsible for the design of the Starship Flight Terminati

Senior Mechanical Engineer - Transit FacilitiesJob Title - Senior Mechanical Engineer - Transit Facilities

ArcadisCompany Name - Arcadis

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Los Angeles, California, USA

Full-time

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is seeking a Senior Mechanical Engineer to join our Design & Enginee

Sr. Mechanical Engineer, High Pressure Die Casting (Starship)Job Title - Sr. Mechanical Engineer, High Pressure Die Casting (Starship)

SpaceXCompany Name - SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. MECHANICAL ENGINEER, HIGH PRESSURE DIE CASTING (STARSHIP) This position will support the manufacturing and development of Starship components alongside a strong group of mechanical design and process engineers. Yo

Senior Mechanical Engineer - Education, Living, RetailJob Title - Senior Mechanical Engineer - Education, Living, Retail

ArcadisCompany Name - Arcadis

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Los Angeles, California, USA

Full-time

Senior Fluids Mechanical EngineerJob Title - Senior Fluids Mechanical Engineer

Relativity SpaceCompany Name - Relativity Space

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Long Beach, California, USA

Full-time

Sr. Mechanical Engineer (Critical Infrastructure)Job Title - Sr. Mechanical Engineer (Critical Infrastructure)

SpaceXCompany Name - SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. MECHANICAL ENGINEER (CRITICAL INFRASTRUCTURE) As a member of the construction and infrastructure team, you will design, build, and activate some of the world's most technically advanced manufacturing facilities. Yo

Senior Mechanical Engineer - MEPJob Title - Senior Mechanical Engineer - MEP

The Search Solutions, LLCCompany Name - The Search Solutions, LLC

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Santa Clarita, California, USA

Full-time

Senior Mechanical Engineer will lead MEP design efforts, mentor junior staff, and help drive the continued growth of our firm. This role requires hands-on HVAC and plumbing design in Revit, strong leadership skills, and a practical understanding of construction. The ideal candidate is collaborative, detail-oriented, and ready to take an active role in project delivery, internal training, and business development. Key Responsibilities: Lead HVAC and plumbing system design for a range of building

Mechanical EngineerJob Title - Mechanical Engineer

GEI Consultants, Inc.Company Name - GEI Consultants, Inc.

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Pasadena, California, USA

Full-time

Description Your role at GEI. GEI's Mechanical engineering group needs staff to support its growing client base and is seeking an associate to senior level Mechanical Engineer. This is an excellent opportunity for a highly motivated individual to join our team. The successful candidate must have excellent academic credentials and a strong desire to work on a broad range of small to larger size projects related to water resources from planning to final design, construction engineering support, a

Senior Mechanical Engineer - Aviation & Federal (California)Job Title - Senior Mechanical Engineer - Aviation & Federal (California)

Burns & McDonnellCompany Name - Burns & McDonnell

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Los Angeles, California, USA

Full-time

Description The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for new projects, alterations and redevelopments on a variety of projects including power, process, corporate, healthcare, pipeline, airports, institutional, industrial, manufacturing, government and military facilities. The Senior Mechanical Engineer will lead the project team throughout the design and construction process, adapting mechanical plans according to budget constraints,

Senior Mechanical Engineer - Aviation & Federal (California)Job Title - Senior Mechanical Engineer - Aviation & Federal (California)

Burns & McDonnellCompany Name - Burns & McDonnell

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Brea, California, USA

Full-time

Senior Mechanical Engineer - WastewaterJob Title - Senior Mechanical Engineer - Wastewater

Parsons Services CompanyCompany Name - Parsons Services Company

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Fountain Valley, California, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Join Our Team: Principal Mechanical Engineer - Water Group Location: Pasadena, CA (w

Sr. Mechanical Engineer - HealthcareJob Title - Sr. Mechanical Engineer - Healthcare

Farnsworth Group, Inc.Company Name - Farnsworth Group, Inc.

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Remote

Full-time

Join us and grow your career with a certified Great Place to Work for the last nine years running. We are a team of Engineers, Architects, Surveyors and Scientists committed to making meaningful contributions to the world around us. Our quest for excellence goes beyond the ordinary; we seek extraordinary people who want to showcase their talents and join us in making a difference for our clients and communities. You will be part of a collaborative group that champions your career and passions, e

Senior Mechanical Engineer 1 - Government ServicesJob Title - Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description Sargent & Lundy's Government Services Division provides cutting-edge engineering and consulting to the management and operating contractors for the US Department of Energy (DOE) and the National Nuclear Security Administration (NNSA). What does this mean? You can be a part of multi-discipline teams developing and designing facilities, systems, and equipment for the nation's major research laboratories and the legacy nuclear weapons production complex. This critical engineering work

Mechanical Engineer - AssociateJob Title - Mechanical Engineer - Associate

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Senior Mechanical Engineer (Hybrid-Puerto Rico)Job Title - Senior Mechanical Engineer (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-06-05 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace is looking to hire a Senior Mechanical Engineer to perform design cost management. The primary focus of this position will be to provide Design to Cost (DTC) support for

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

Pond & CompanyCompany Name - Pond & Company

•

Remote or Peachtree Corners, Georgia, USA

Full-time

About the Position We are seeking a Senior Mechanical Engineer to join our growing Professional Design Services team in either one of the following Pond offices (Atlanta, GA; Augusta, GA; Savannah, GA; Jacksonville, FL; Tempa, FL; Port Orange, FL; Columbia, SC; Charlotte, NC; Huntsville, AL; Mobile, AL; New Orleans, LA) or as a Remote Employee. The ideal candidate possesses 10+ years of related MEP design engineering experience and wants to grow, collaborate, and innovate. In this position, the