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58 gas engineer jobs at 26 companies in Los Angeles, CA

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Project Engineer - Gas Utilities
Ontario, California, United States
$30-$40/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Civil engineering and construction management firm for infrastructure projects.
5+ YOE5+ years gas utilities project support/engineering; MAOP verification; pipeline standards; degree preferred; EIT preferred; 49 CFR Part 192, ASME B31.8 experience; MS Office; Bluebeam; multi-discipline gas projects; strong written and verbal communication.
Microsoft Office, Bluebeam, Teams, Access
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1mo
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Provides engineering, construction management, and planning for infrastructure projects.
4+ YOEBachelor's in engineering, 4+ years ILI gas utility experience, Direct Assessment and pressure testing experience, proficiency with integrity assessments and technical documentation, AMPP/CP/API familiarity, EIT preferred.
Microsoft Office
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5d
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Senior Process Engineer
Irvine or Huntington Beach
$85k-$120k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Designs and manufactures precision fluid control and industrial equipment.
10+ YOEBachelor's degree in Chemical Engineering; 10–15+ years in oil and gas, LNG, cryogenic, or EPC industries; advanced process simulation proficiency and experience with modular systems and engineering deliverables.
Aspen HYSYS, Aspen Plus, UniSim, PFDs, P&IDs, HAZOP, FAT
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1mo
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Mechanical Engineer, Components
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: A developer of advanced reactor technology working to scale nuclear fission for reliable, low‑carbon energy.
1+ YOEBachelor's in mechanical engineering or related,1+ years designing and building mechanical hardware,experience with fluid/gas/thermal systems and test instrumentation.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
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2mo
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Senior Process Engineer
Monrovia or Los Angeles
$130k-$192k/yr OnsiteFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
8+ YOEBachelor's or Master's in Chemical Engineering (or related), 8+ years process engineering experience, proven leadership, refinery/on-site and oil & gas experience, expert knowledge of HYSYS and PRO 11, MS Office proficiency.
HYSYS, PRO 11, Microsoft Office Suite
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1mo
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Senior Process Engineer
Huntington Beach, California, United States
$85k-$120k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Manufactures industrial pumps, medical dialysis equipment, and aerospace components.
10+ YOEBachelor's in Chemical Engineering,10+ years in oil & gas/LNG/cryogenic/EPC,advanced process simulation (Aspen HYSYS/Plus/UniSim),skid/modular experience,ability to translate simulation to engineering deliverables.
Aspen HYSYS, Aspen Plus, UniSim
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2mo
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Senior Process Engineer
Monrovia or Los Angeles
$130k-$192k/yr OnsiteFull Time
Worley
WorleyASX: WOR: Provides engineering and project delivery services for energy and resources.
8+ YOE8+ years process engineering experience in oil & gas/refining, bachelor’s degree in chemical engineering or related, expert with process simulation (HYSYS, PRO 11), MS Office proficiency, leadership and on-site/refinery experience.
HYSYS, PRO 11, Microsoft Office Suite
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5d
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Senior Process Engineer
Irvine, California, United States
$85k-$120k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Manufacturer of industrial fluid equipment and medical devices.
10+ YOEBachelor's degree in Chemical Engineering and 10–15+ years in oil and gas, LNG, cryogenic, or EPC industries; advanced Aspen HYSYS, Aspen Plus, or UniSim proficiency.
Aspen HYSYS, Aspen Plus, UniSim
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4w
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Project Engineer I
Los Angeles, California, United States
$70k-$90k/yr HybridFull Time
E2 Consulting Engineers
E2 Consulting Engineers: Provides engineering and project management for infrastructure projects.
1+ YOEB.S. in Civil/Chemical/Mechanical Engineering, 1+ years pipeline or gas utility engineering experience, knowledge of pipeline design and standards, AutoCAD and Microsoft Excel/Word proficiency, valid driver's license, California EIT/PE preferred.
AutoCAD, Microsoft Excel, Microsoft Word
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2w
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Senior Process Engineer
Torrance, California, United States
$144k-$176k/yr OnsiteFull Time
Valar Atomics
Valar Atomics: Developing scalable, high-temperature, grid-independent advanced nuclear power systems.
5+ YOEBachelor's in engineering required,5+ years designing industrial or gas handling process systems,experience from concept through commissioning,strong thermodynamics/fluid mechanics/process skills,excellent communication.
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16h
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Sr. Pipeline Stress Engineer
San Diego or Los Angeles
$130k-$160k/yr OnsiteFull Time
NV5
NV5: Provides engineering, testing, inspection, and infrastructure consulting services.
10+ YOEBachelor's degree in engineering, active California PE license, 10+ years of pipeline or piping experience, natural gas pipe stress analysis expertise, and CAESAR II proficiency required.
CAESAR II
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2mo
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Instrumentation Engineer and Instrumentation Designers
Ferndale or Larkspur or Billings or Remote or Remote or Orange or Remote
OnsiteFull Time
Eichleay
Eichleay: Engineering and construction management for industrial facilities.
5+ YOE5+ years in refinery/oil & gas; instrumentation design and I&C; BS in engineering; PE license preferred; ISA/ANSI/ASME/API/NFPA knowledge; on-site refinery experience preferred.
AutoCAD, NavisWorks, Bluebeam, Revit, Siemens PSS/E
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6d
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Senior Mechanical Engineer - Fuel Systems
Lake Forest, California, United States
$120k-$140k/yr OnsiteFull Time
Quantum Fuel Systems
Quantum Fuel Systems: Designs and manufactures alternative fuel storage and transport systems.
5+ YOEBachelor's degree in mechanical engineering and 5+ years of experience required. Requires high-pressure fuel system design, testing, analytical calculations, documentation, and knowledge of hydrogen and natural gas materials compatibility.
CAD, NX Unigraphics, Flexible Spending Accounts (FSA)
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1mo
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Senior Ground Systems Engineer (Cryogenics & Industrial Gases)
Redondo Beach, California, United States
$140k-$180k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
Bachelor's in engineering, experience designing/operating industrial gas and cryogenic fluid systems, strong thermodynamics and process engineering skills, familiarity with P&IDs, safety codes (ASME,NFPA,OSHA).
PLCs, Siemens NX
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2w
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Propulsion Test Engineer, Venom
Irvine, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEBachelor's in mechanical/mechatronics/aerospace engineering,2+ years in gas turbine/aerospace/propulsion test,experience building and qualifying test equipment,Python/Matlab scripting,diagnostics and data analysis,US Person,able to obtain Secret clearance.
Python, Matlab, CANape, CAN, XCP, ARINC, FADEC, ECU
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2mo
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Sr. Mechanical Engineer - Space Resources
Los Angeles, California, United States
$145k-$203k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
7+ YOEBachelor's in engineering, 7+ years mechanical/electromechanical design experience with 2+ years project leadership; CAD/FEA proficiency, GD&T, thermal and structural analysis, vacuum/inert-gas experience, advanced materials knowledge, strong communication and mentoring skills.
CREO, ANSYS Mechanical, CAD, FEA
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3mo
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Staff Aerothermal CFD Engineer
Playa Vista, California, United States
$161k-$221k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
9+ YOEBachelor's in Aerospace or Mechanical Eng; 9+ years in hypersonic aerothermodynamics; CFD/DSMC; high-fidelity gas dynamics; meshing tools; non-equilibrium flows; data integration; uncertainty quantification; fast-paced environment.
SPARTA, DAC, MAP, Plasma simulation tools, Pointwise, Link3D, US3D, DPLR, LAURA, Python, Fortran, C++, MATLAB
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3mo
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Industrial Wastewater Program Lead - Oil, Gas and Chemicals Practice
Houston or Round Rock or Charlotte or Cheyenne or Long Beach or Fort Lauderdale or Bethlehem or Salem or Fort Worth or Irvine or Madison or Reno or Portland or Bozeman or Seattle or Las Vegas or Cedar Rapids or Des Moines or Albany or Irvine or Glendale
$170k-$230k/yr OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
10+ YOE10+ years in industrial water/wastewater treatment for Oil, Gas, and Chemicals; proven leadership in design, business development, and project execution.
Process Modeling, P&ID, Process Design, Hydraulic Calculations, QA/QC
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1w
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Environmental and Facilities Compliance Engineer
Los Angeles County or Long Beach or Sacramento
$11k-$14k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Requires an Associate Oil and Gas Engineer classification qualification, valid driver's license, regulatory compliance and enforcement knowledge, technical evaluation skills, communication, organization, and computer proficiency.
Microsoft Word, PDF, Electronic Medical Records (EMR)
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3w
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Tech Support Principal Engineer
Houston or Lake Forest or Philadelphia
$82k-$170k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
10+ YOE10+ years Oil & Gas industry experience, strong numerical background (degree preferred), technical analysis and problem-solving, client presentation and communication skills, proficiency with Microsoft Word/Excel/PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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