Senior Mechanical Engineer
Liberty Personnel Services, Inc.
Job Details: Senior Mechanical Engineer – HVAC/Plumbing A growing multidisciplinary engineering firm is seeking a Senior Mechanical Engineer with 8+ years of consulting experience to lead HVAC and plumbing projects and support continued growth. This is a client-facing opportunity for a licensed Mechanical PE who enjoys project leadership, technical design, mentoring, and business development. Responsibilities Design and oversee HVAC and plumbing systems for commercial, institutional, industrial, and government projects Manage multiple projects, budgets, schedules, and design teams Perform HVAC calculations and engineering analysis Lead multidisciplinary project coordination Develop proposals and support client development activities Review drawings and ensure compliance with applicable mechanical, plumbing, and energy codes Mentor engineers and designers while contributing to a collaborative office environment Requirements Bachelor’s degree in Mechanical Engineering or related field Active Mechanical PE license required 8+ years of mechanical engineering experience Strong HVAC and plumbing design experience Proficiency with Revit and AutoCAD #J-18808-Ljbffr
$34 per hour
...Job Description Design Engineer/Sr. Design Engineer \n \n This position is based... ...\n Who We Are \n AMPAM is a leading Mechanical, Electrical, and Plumbing (MEP) contractor... ...may perform work under the guidance of senior engineers, independently manage assigned...SeniorHourly payFull timeFor contractorsInternshipWork at officeLocal areaRemote workVisa sponsorship- ...SpaceX is seeking a Mechanical Engineer for the Flight Termination System team in Hawthorne, California. This role involves designing explosive devices, ensuring hardware reliability through testing, and collaborating with cross-disciplinary teams. The ideal candidate...Senior
$178k - $210k
...Base pay range $178,000.00/yr - $210,000.00/yr Seniority level Mid-Senior level Employment type Full-time Senior Mechanical Engineer – Overview An exceptional Los Angeles Scale-Up team is looking for a Senior Mechanical Engineer as a key and foundational hire as they look...SeniorFull time$200k - $280k
...Senior Mechanical Design Engineer | Launcher Systems $200,000–$280,000 Base + Pre-IPO Equity + Benefits Are you a Senior Mechanical Design Engineer who enjoys developing complex aerospace hardware from concept through deployment? Have you designed missile launchers, deployment...Senior- ...and Mars. We are building one of the key enabling technologies that will make humans a multi-planet species, with a Senior/Principal Mechanical Engineer to own critical mechanical systems for Starpath’s Rover platform. In this role you will develop components from requirements...Senior
$160k - $210k
...Job Title: Senior Mechanical Systems Engineer Compensation : $160,000-$210,000 + Equity Hours : Monday to Friday - Flexible Hours The Client: Lumicity has partnered with an innovative clean energy company based in Los Angeles, California, on their search for a Senior...SeniorMonday to FridayFlexible hours- ...Senior Mechanical Engineer - Test (Space Hardware) We are seeking a Senior Mechanical Engineer - Test to build and own the test and qualification infrastructure for next-generation hardware. This is a zero-to-one role -you will define how hardware is tested...Senior
- ...technically complex facility within the advanced energy sector. As the project progresses through engineering and construction, they are looking to add an experienced Mechanical Engineer to take ownership of critical mechanical and process systems. This is a hands-on...Senior
$150k - $190k
...offices in Los Angeles, Washington D.C., San Francisco, San Diego, Seattle, and London. The Opportunity CHAOS is looking for a Senior Mechanical Engineer to serve as a technical authority for the design, integration, and qualification of electronic hardware and enclosures...Senior$150k - $183k
...solutions. Join our dynamic team and help shape a smarter, greener future for global freight. Parallel Systems is seeking a Senior Mechanical Engineer with expertise in dynamics, simulation, and CAD design to help us design the next generation of our self-propelled rail...SeniorLocal areaShift work$150k - $170k
...Join to apply for the Senior TPS Design Engineer role at Inversion About Inversion We are building highly maneuverable re‑entry vehicles that... ...Bachelor’s degree in Material Science, Materials Engineering, Mechanical Engineering, Aerospace Engineering, or Chemical...SeniorPermanent employmentWork at office$110k - $160k
...Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees... ...state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire... ...services. BR+A is seeking an experienced Senior Mechanical Engineer in our Los Angeles,...SeniorFull timeFor contractorsWork at office$140k - $170k
...Base pay range $140,000.00/yr - $170,000.00/yr Title: Sr. Mechanical Design Engineer Manufacturing: Aerospace Manufacturing Position Overview We... .... Strong written and verbal communication abilities. Seniority level Seniority level Mid-Senior level Employment type Employment...SeniorFull timeInternshipWork at office$137k - $193k
...Senior Mechanical Design Engineer Playa Vista, California, United States Turning Space into a Transportation Layer for Earth Who We Are: Inversion builds advanced reentry systems to deliver next-generation capabilities from space. Our mission is to make Earth...SeniorPermanent employment- ...Senior Mechanical Engineer (HVAC) Lead the design, analysis, and delivery of HVAC and mechanical building systems Collaborate with clients, architects, and internal teams to deliver high-quality projects on time and within budget Key Responsibilities Define...Senior
$122.4k - $168.3k
...DAPS) that comprehensively uses machine learning to optimally engineer, additively manufacture, and flexibly assemble complex integrated... ...Adaptive Production System (DAPS™). You would own the mechanical design and development of full systems and components for a laser...SeniorTemporary workWork at office$141k - $181k
...HVAC/Tunnel Ventilation & Fire Life Safety Engineer for immediate employment in our Los... ...house training. Responsibilities Designing mechanical (HVAC, Plumbing and Fire Protection)... ...and specifications under the direction of senior engineers or project managers Perform studies...SeniorContract workTemporary workWork at officeImmediate start$146.4k - $219.6k
...Posted Wednesday August 19th, 2026 at 9:46 AM | Expires Thursday, December 31st, 2026 at 12:59 AM Position Summary: A Senior Mechanical Engineer in our Mission Critical practice will have the opportunity to design the most complex advanced building systems, prepares...SeniorFor contractorsCasual workWork at officeFlexible hours- Enercon Services, Inc. is seeking a Mechanical Design Engineer to join our Nuclear Design Group in Glendale, AZ and other US locations. You’ll work... ...engineers. This full-time role offers growth paths to senior/principal levels, exposure to codes and standards, and collaboration...SeniorFull timeRemote work
$107.2k - $204k
Overview Become a part of ENERCON as a Mechanical Design Engineer. We are seeking talented Mechanical Engineers to join our Nuclear Design Group.... ...path has many options. You can bring your experience to our senior roles or principal engineer position where you’ll lead and...SeniorFull timeContract workCurrently hiringRemote work$155k - $200k
...the beginning. A small, highly capable engineering team applies that foundation across satellite... ...of our hardware in-house. Electrical, mechanical, software, manufacturing, integration,... ...the mission succeeds. Your Mission As a Senior Mechanical Engineer at GITAI, you will lead...SeniorHourly payPermanent employmentFull timeWork at officeRelocation packageMonday to Friday- ...Position Overview Woolpert is hiring an experienced Senior Mechanical Engineer to join our dynamic Mechanical Engineering team based in South Florida. This position would be aligned with our office in Coral Gables, FL, but can be fully remote! This position...SeniorRemote workFlexible hours
$87k - $149k
..., breaking down barriers to innovation for a more connected, compassionate world. About the Role Minimed is seeking a Senior Mechanical Design Engineer to join our team and make an immediate impact. Responsibilities may include the following and other duties may be assigned...SeniorFull timeWork at officeLocal areaImmediate startFlexible hours$100k - $125k
...Sr. Mechanical Engineer Motivo is a project-based company delivering excellence in mechanical and electrical system design and prototype builds. We have a history in successfully taking concepts through to actual finished solutions. Our work spans a wide range of market...SeniorFlexible hours$110k - $160k
...Senior Mechanical Engineer DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work we do around the world and inspires our mission to improve the lives of our clients, our communities, and our planet...SeniorWork at office- ...Company Overview: Are you passionate about mechanical design and committed to crafting custom... ...quality? Join our team of dedicated engineers who take pride in delivering excellence... ...customer base. Position Overview: The Senior Mechanical Engineer plays a crucial role...Senior
$185k - $200k
A pioneering space startup in Los Angeles is seeking a Mechanical Structures Lead to oversee the success of satellite hardware from design... ...and electromechanical design and a solid background in engineering principles. Responsibilities include driving hardware development...Senior- ...Senior Mechanical Engineer The Senior Mechanical Engineer will assist the Director of Engineering in planning, organizing, supervising, and performing professional mechanical/HVAC (mechanical) engineering work for the campus physical plant planning and construction...SeniorWork at office
$110.3k - $165.5k
...grow professionally at one of the world’s top design firms while building our clean energy future.Stantec is actively seeking Mechanical Engineers with a minimum of 10 years of professional experience in hydroelectric turbine and generator projects, dam outlet works, and...SeniorFull timeTemporary workPart timeCasual workWork at officeLocal areaFlexible hours- SpaceX in Hawthorne, CA is seeking a Sr. Mechanical Engineer for Starship avionics. You will design instrumentation for extreme environments and drive mechanical design through 3D modeling, production drawings, and FEA analyses. Collaboration with shops and cross‑functional...Senior
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