23 plant mechanical engineer jobs at 12 companies in Napa, CA

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Senior Mechanical Engineer
Oakland, California, United States
$115k-$182k/yr HybridFull Time
Fervo Energy
Fervo Energy: Generates clean electricity using advanced geothermal drilling technology.
8+ YOELead design of mechanical systems for geothermal power plants; 8+ years of mechanical engineering experience; BS/MS in Mechanical Engineering; strong leadership and collaboration.
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Professional Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
UCSF Health
UCSF Health: Academic medical center providing advanced patient care and research.
5+ YOEBachelor's in Mechanical Engineering, 5+ years mechanical design experience for research labs/vivariums, HVACR/plumbing/central plant/DDC knowledge, AutoCAD MEP and Microsoft Suite proficiency, strong project management and communication skills.
AutoCAD MEP, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, BIM/Revit
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Mechanical Engineer, Demand Management
Austin or New York or San Francisco or Seattle
$203k-$232k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience engineering mechanical/HVAC systems for data centers or industrial plants, dynamic thermal modeling, field validation, risk quantification, and collaboration with controls engineers.
Modelica, TRNSYS, CFD
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Staff Plant Reliability Engineer
Berkeley, California, United States
$148k-$185k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
7+ YOEDegree in electrical, mechanical, reliability engineering or related field,7+ years industry experience, expertise in reliability test development for electromechanical systems, experience with outdoor power electronics, strong communication and collaboration skills.
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Mechanical Engineering Manager
Lafayette, California, United States
$150k-$190k/yr HybridFull Time
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
10+ YOE10+ years consulting mechanical engineering experience, leadership and project management experience, deep HVAC and central plant expertise, Bachelor's in Mechanical/Architectural Engineering required; PE, LEED or Well preferred; AutoCAD/Revit experience.
AutoCAD, Revit
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Associate, Mechanical Engineering Lead - Central Plants & District Energy in Los Angeles, California, United States
Los Angeles or San Diego or Oakland or Seattle or San Francisco
$147k-$190k/yr OnsiteFull Time
Arup
Arup: Provide engineering and design services for the built environment.
12+ YOEPE license required, bachelor in mechanical or architectural engineering, 12+ years designing central plant and hydronic systems, experience with codes, client relations, team leadership; LEED/WELL and energy modeling preferred.
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General Plant Manager
Middletown, California, United States
$173k-$220k/yr OnsiteFull Time
Calpine
CalpineNASDAQ: CEG: Generates electricity from natural gas and geothermal energy resources.
15+ YOE5+ MgmtBachelor's in engineering or business (master's preferred), 15+ years in power plant operations, 5+ years supervisory experience, deep knowledge of electrical generation startup/operations/maintenance, regulatory compliance and leadership skills.
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Associate, Mechanical Engineering Lead - Central Plants & District Energy
Los Angeles or San Diego or Oakland or Seattle or San Francisco
$147k-$190k/yr OnsiteFull Time
Arup
Arup: Global professional services firm for the built environment.
12+ YOEPE required, 12+ years designing HVAC central plants and hydronic/district energy systems, client relationship and project leadership experience, familiarity with codes and decarbonization strategies.
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Plant Operations Stationary Engineer
Contra Costa County or Richmond or El Cerrito or Sacramento
$6k-$8k/mo OnsiteFull Time, Temporary
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
5+ YOESkilled mechanical systems professional maintaining HVAC, refrigeration, ventilation, lighting, power, water treatment, and other systems; EPA Section 608 certification and medical clearance required.
HVAC, Building Automation Systems (BAS/BMS), Lockout/Tagout (LOTO), P&IDs
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Stationary Engineer, Sewage Plant (TPV 7372) (SFO) (160266)
San Francisco, California, United States
$141k/yr OnsiteFull Time, Temporary
City and County of San Francisco
City and County of San Francisco: Provides public services and governance for the San Francis area.
4+ YOERequires 4 years of journey-level plant experience or qualifying apprenticeship, maritime, or aviation credentials; valid driver's license; and Grade I California wastewater operator or water environment mechanical technology certificate.
NPDES Permit, National Pollution Discharge Elimination System (NPDES), FAA Airframe, Power Plant Certificate
4w
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Associate, Mechanical Engineering Lead - Central Plants & District Energy in Los Angeles, California, United States
Los Angeles or San Diego or Oakland or Seattle or San Francisco
$147k-$190k/yr OnsiteFull Time
Arup
Arup: Global engineering and design consultancy for the built environment.
12+ YOEBachelor's in mechanical/architectural engineering, US PE license required, 12+ years designing HVAC central plants and hydronic/district energy systems, client-facing experience, team leadership; LEED/WELL and energy modeling preferred.
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Pilot Plant Manager
Alameda, California, United States
$120k-$150k/yr OnsiteFull Time
Solcoa
Solcoa: Produces carbon-zero rare earth metals by recycling industrial magnets.
5+ YOEDegree or equivalent hands-on depth in metallurgical/chemical/materials/mechanical engineering,5+ years high-temperature production operations,supervisory experience,production metrics and maintenance fluency,ability to work in commissioning/startup environments.
2w
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Stationary Engineer I (Full Time, Afternoons)
Fairfield, California, United States
$48-$59/hr OnsiteFull Time
NorthBay Health
NorthBay Health: Provides comprehensive hospital care and medical services in Northern California.
4+ YOEHigh school diploma, 4+ years stationary engineer experience in facility plant operations (HVAC, boilers, steam, electrical, plumbing, medical gas), CA driver requirement, air conditioning certification preferred, basic computer/CMMS skills.
CMMS
2mo
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Operations Specialist (Water Treatment)
Walnut Creek or Santa Clara or United States
FieldFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
10+ YOEMinimum 10 years of plant operations experience; ability to lead plant start-ups, commissioning, operator training, and supervise staff; strong understanding of mechanical, electrical, and process functions and permit compliance.