Senior Mechanical Engineer
$160k - $200kVanderweil Engineers Llp
Vanderweil Engineers is a top ranked national full-service engineering firm specializing in MEP/FP, and technology services. Working in multiple sectors including Mission Critical Data Centers, Science & Technology, Academic, Healthcare, Commercial and Power. Over 75 years in operation with a staff of 500+ located across nine offices, we are proud to be one of the signature family/senior leadership owned engineering firms in the county regularly appearing in the ENR annual ranking of Specialty Design Firms for Cogeneration and Data Centers. If you are a talented and enthusiastic engineer looking for an opportunity to grow your career with some of the best projects and minds in the industry, we are looking for you. We offer growth and stability in an ever‑changing volatile environment. Join us to do the best work of your career and make a profound environmental impact as a Senior Mechanical Engineer at our Long Beach, California office. (Hybrid onsite role) As a Senior Mechanical Engineer in Vanderweil’s Power & Utilities Group, you will be serving with and mentoring a team designing unique projects involving campus, industrial and institutional energy and utility generation systems, focused on simple cycle gas turbine and reciprocating engine power plants, combined heat and power, alternative fuels like biogas and hydrogen, fuel cells, thermal and battery storage, microgrids, among many other cutting‑edge technologies. We serve a diverse set of clients including academic, biopharma, casino/hotel resorts, mission critical, and large scale and municipal utilities, among many other sectors. Some of your responsibilities include: Foster Vanderweil’s commitment to client service by assisting our clients develop resilient, efficient, and sustainable large- and small-scale utility and energy systems Provide mechanical design leadership for complex technical and high‑publicity projects in the energy and power sector including power generation, central utility plant, and thermal distribution projects from concept to completion Oversee design scope and monitor project activity for adherence to these criteria. This includes working in close collaboration with leadership, engineers, designers, and other discipline leads to develop budgets, schedules and work plans Develop and manage project mechanical design scope and resource planning Act as a key technical point of contact with the client, project manager, contractors, and other key personnel during project execution Expand your skillset by working with our experienced Power engineering team Perform technology and cycle selection for centralized utility generation systems Oversee all aspects of mechanical systems design including heat and mass balance, piping & instrumentation diagrams, calculations, equipment selection and layout, and piping and ductwork design as required Experience a small team atmosphere while working with our multi‑disciplinary team across the USA Execute mechanical designs in accordance with Power Group procedures and standards and specific client standards where applicable Manage internal quality assurance and quality control reviews for project deliverables prior to client submission Perform construction administration tasks such as field visits and subsequent issuance of field reports, responding to RFIs Travel for meetings and project site visits (less than 10%) both locally and nationally Essential Skills and Background: Strong verbal and written communication skills 10+ years of related background with a BS degree in Mechanical Engineering 8+ years of direct industrial/power or process consulting engineering experience PE license preferred, must be willing to pursue licensing if not current Project engineering and/or lead engineer experience Experience with utility master planning, life cycle cost analysis, energy modeling, and hydraulic calculations for complex systems Expert knowledge of mechanical equipment design, piping, codes, and application of standard engineering practices Willing to provide technical training and mentorship for other mechanical engineers Familiar with industry-standard engineering calculations (hydraulic, thermal stress, etc) as well as BIM and similar design tools such as AutoCAD Plant 3D, Navisworks, Revit, and Bluebeam. Our Flexible & Hybrid Work Culture We know that work/life integration is important to our employees. Our wellness programs prioritize our team members’ physical and behavioral health. We are an equal opportunity employer committed to equity and inclusion in the workplace. This position in Long Beach, CA has a salary range $160,000 to $200,000 for a Senior Mechanical Engineer depending on years of experience, licensure, skill sets and education. In addition, we offer 401K company match, flexible work schedule, benefits and wellness program. #J-18808-Ljbffr Vanderweil Engineers Llp
$164.92k - $242.53k
...Job Description - Senior Principal Mechanical Engineer (LON03EF) Senior Principal Mechanical Engineer - LON03EF Company : Worley Primary Location USA-CA-Long Beach Job Mechanical Schedule Full-time Employment Type : Employee Job Posting...SeniorFull timeWork at officeLocal areaOverseas- ...Rocket Lab USA, headquartered in Long Beach, CA, is seeking a Supplier Quality Engineer (I, II, Senior I, Senior II) - Mechanical to ensure quality for procured mechanical parts and services. You will translate technical requirements into clear specifications for suppliers...Senior
$145k - $165k
...Senior Mechanical Design Engineer - Spaceflight Pressure Vessels & Composite Propellant Tanks - $145k to $165k+ Base This Jobot Job is hosted by: Billy Surch Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $...SeniorLocal area- ...Rocket Lab Corporation in Long Beach, CA is seeking a Supplier Quality Engineer (I, II, Senior I, Senior II) to ensure quality for procured mechanical components and services. You will translate technical requirements into clear specifications for suppliers, lead audits...Senior
$132k - $198k
...career is waiting. Join us. About the Team: The Structures and Mechanisms team is responsible for the full design, build, and test... ...effectively with other key groups. About You: Bachelor's degree in engineering or related technical discipline 5+ years of experience in a...Senior- ...A leading aerospace company in Long Beach is seeking Mechanical Design Engineers to develop tools and automation systems for the manufacturing of rockets. This role requires extensive experience in mechanical design, project management, and collaborating with diverse teams...Senior
$137k - $230k
...government partners, and other crewed systems that will unlock the expanding long-term space economy.Vast is looking for a Senior Mechanical Engineer, Lunar, reporting to the Senior Vice President, Lunar Programs, to support the development of the systems that will be...SeniorPermanent employmentFull timeTemporary workWeekend workAfternoon shift- ...Relativity Space in Long Beach is seeking a Materials Engineering professional to lead weld materials and processes for Terran R programs. You will qualify weld materials, drive system-level requirements, and develop specifications to enable reuse and flight qualification...Senior
$130k - $166k
...Senior Mechanical Design & Analysis Engineer, Tooling Long Beach, California 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...Senior$132k - $198k
...componentsConducting trade studies to produce architectures and designs that satisfy system requirementsAbout You:Bachelor’s degree (Mechanical Engineering or relevant)5+ years of experience working with fluids system component designDirect experience applying engineering...Senior$132k - $198k
...career is waiting. Join us.About the Team: The Structures and Mechanisms team is responsible for the full design, build, and test... ...decisions are needed.About You: 5+ years of experience in a design engineering roleBachelor’s degree in Engineering or related technical...Senior$124k - $170.5k
...where it happens.About the Role:Apply fundamental and practical engineering methods to develop innovative solutionsInterpret and... ...functionality, and constructabilityAbout You:Bachelor’s degree in Mechanical Engineering or a related fieldMinimum of 5 years of engineering...Senior$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 officeRemote workFlexible hours$105.8k - $132.2k
...Experience, and Skills Minimum education: A Bachelor’s level degree in Computer Science / Information Systems / Data Science / Engineering / Information Technology, or a related STEM field of study. ~ Minimum work experience : ~ Overall, at least 5 to 7 years of...SeniorFull timeContract workTemporary workWork experience placementRemote workRelocation package$175k - $250k
...production at unprecedented speed. Intelligent manufacturing is engineering at scale. At Volund, engineers operate across the full stack... ...be scaled. Role: This isn’t a pure CAD seat. We need a mechanical engineer who owns engine component designs from first sketch...SeniorPermanent employmentFor contractorsRelocation package- ...government partners, and other crewed systems that will unlock the expanding long-term space economy.Vast is looking for a Senior Mechanical Engineer, Structures, reporting to the Manager, Structures Design, to support the development of the systems that will be required...SeniorPermanent employmentFull timeTemporary work
- ...Mechanical Engineer Opportunity At NorthwoodNorthwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time...SeniorPermanent employmentWeekend work
- ...We are seeking a Mechanical Engineer to support the design, analysis, testing, and qualification of advanced aerospace hardware. Working closely with electrical, systems, and manufacturing engineers, you will take ownership of mechanical designs from requirements and concept...Senior
- ...is going electric and Arc is building the platform that powers it. Who we're looking for Who We're Looking For As Arc’s Senior Mechanical Engineer, you will own the design and integration of complex electromechanical systems across the full vehicle lifecycle- from early...SeniorFull timeWork at officeRelocation package
$140k - $180k
...protect global security.The RoleMach is seeking aSenior Structural Engineer to own structural sizing and optimization of primary and... ...program.Required QualificationsBachelor’s degree or higher in Mechanical Engineering, Aerospace Engineering, or arelated discipline.5+...SeniorPermanent employmentWork experience placementWork at officeLocal area$130k - $170k
...401k with a company match Profit Sharing Comprehensive Benefits Package Generous PTO Job Details As a senior mechanical engineer on our team, you are responsible for designing HVAC, plumbing, and fire protection systems for commercial, industrial, institutional...SeniorFor contractorsWork at officeLocal area- ...An advanced aerospace company is looking for a Manufacturing Engineer to design and produce innovative tooling for its reusable rocket... ...-functional teams. A Bachelor's degree in manufacturing or mechanical engineering and proficiency with CAD tools are essential. This...Senior
- ...Senior Mechanical Engineer for a well established full service firm (onsite) This Jobot Job is hosted by: Brian Perkins Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $1,200,000 - $145,000 per year A bit...SeniorPermanent employmentFull timeLocal area
- ...Rocket Lab USA is seeking a Senior Mechanical Test Engineer I to own end-to-end design, build, test, and execution of advanced test capabilities for spacecraft hardware at our Long Beach HQ. You will lead qualification campaigns, develop high-volume test infrastructure...Senior
$137.76k - $195.55k
...partners, and other crewed systems that will unlock the expanding long-term space economy. Vast is looking for a Avionics Senior Mechanical Engineer , reporting to the Senior Manager of Mechanical Engineering, Avionics to support the development of the systems that will...SeniorPermanent employmentFull timeTemporary workWork experience placementWeekend workAfternoon shift$143.8k - $175.75k
...55Job DescriptionPosition Summary Lead, evaluate, design, and engineer projects and systems to specification on projects ranging from... ...general understanding of system operations. Ability to read complex mechanical and plumbing plans Excellent verbal and written communication...SeniorFor contractorsWork at officeImmediate startFlexible hours$65 - $74 per hour
...Group (JSG) is seeking a contract position for a Sr. Tooling Engineer to work in Huntington Beach, CA. Rate range: $65--$74/hr DOE JDescription... ...experience. Bachelor’s or advanced degree in Aerospace, Mechanical, or Manufacturing Engineering (or equivalent experience)....SeniorWeekly payContract workTemporary workInternship$140k - $180k
...of warfare with lethal systems that deter kinetic conflict and protect global security.The RoleMach Industries is seeking an Mechanical Engineer with Avionics Integration expertise to join our team in designing, integrating, and testing the electro-mechanical systems that...SeniorPermanent employmentWork experience placementWork at officeLocal area- ...Volund Manufacturing, Inc. in Huntington Beach, CA, is seeking a Mechanical Engineer who owns engine component designs from sketch to released drawings and beyond into machining and testing. You will design compressor, turbine, combustor, housings, and related hardware...Senior
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