205 performance engineer jobs at 137 companies in Lancaster, CA
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System Performance Engineer
Los Angeles, California, United States
OnsiteFull Time
AFL: Global manufacturer of fiber optic products and network services.
4+ YOEBS in engineering or science plus 1-3 years telecom experience (or 3-5 years with an Associate’s) ; proficient in MS Office; strong analytical, problem-solving, and communication skills; able to travel regionally; eligible to work in the United States.
Microsoft Office, Microsoft Project, Microsoft Visio
JT4NYSE: AMTM: Provides engineering and technical support for military test ranges.
4+ YOEABET-accredited engineering degree with 4+ yrs (BS) or MS+2 yrs or doctoral degree; U.S. citizenship and ability to obtain Top Secret/SCI clearance; valid state driver's license; strong written/verbal communication and computer skills.
Boston or Los Angeles or Houston or Dallas or Phoenix or Miami or Bellevue or Denver
$102k-$117k/yrOnsiteFull Time
STV: Provides engineering and architectural design for public infrastructure.
8+ YOE8+ years in energy simulation/computational design within AEC; Bachelor’s in engineering/architectural engineering (Master's preferred); professional credential (PE, AIA, BEMP) preferred; proficiency with ClimateStudio, EnergyPlus, Grasshopper/Ladybug; strong energy codes and GHG inventory experience.
6+ YOEBachelor's degree, 6+ years energy modeling/building performance analysis, 1 year IES Virtual Environment experience, Revit proficiency, familiarity with ASHRAE standards, and strong reporting and design communication skills.
Divert: Eliminates wasted food and produces renewable natural gas.
10+ YOEBachelor's in mechanical or related engineering,10+ years supporting/operating/optimizing industrial gas/RNG/biogas facilities,asset management and vendor oversight experience.
Sophia Space: Modular data center hardware for in-orbit computing and AI.
7+ YOE7+ years technical engineering experience with 2+ years technical program management; ability to coordinate complex software releases, manage risks, define readiness criteria, and engage with senior engineers.
Verify, Inc.: Provides global supply chain risk management and quality inspection.
10+ YOEBachelor's in administration/industrial engineering/operations or equivalent, 10+ years experience, willing to travel up to 70%, strong manufacturing and sub-tier experience, expert Microsoft PowerPoint/Excel/Word, project planning and communication skills.
Microsoft PowerPoint, Microsoft Excel, Microsoft Word, BA system
LENS: AI-powered technology for real-time traffic accident prevention.
Design, implement, and operate end-to-end security for cloud-native platforms; lead FedRAMP/GovRAMP compliance; perform threat modeling, appsec, and incident response; partner with engineering teams.
Diamond Bar or California or Arizona or New Mexico or United States
$150k-$190k/yrOnsiteFull Time
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
7+ YOEMSc in geotechnical engineering (PhD preferred), PE registration or eligibility, 7+ years' relevant experience, competency in geotechnical analyses, Excel/Word proficiency, willingness to manage staff and perform occasional fieldwork.
Microsoft Excel, Microsoft Word, CorelDRAW, Adobe Illustrator, AutoCAD
Golden State Water CompanyNYSE: AWR: Distributes regulated water to residential and commercial customers.
6+ YOEBS in Engineering, CA Professional Engineer registration (or obtain within 18 months), 6+ years water infrastructure design experience, leadership and communication skills, ability to analyze complex problems and perform engineering design for potable water systems.
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Perform oil, gas, geothermal engineering including UIC, production, reservoir studies, permits, technical/legal directives; valid driver\u0002s license and California residency prior to appointment required; must be authorized to work in the U.S.
HDR: Global provider of engineering, architecture, environmental and construction services.
10+ YOEBachelor's in Civil/Structural Engineering, PE license required, 10+ years building structural engineering experience, strong skills in dynamic/non-linear analysis and deep foundation design, proficiency with ETABS, SAFE, Perform 3D, RAM, Ensoft, AutoCAD, and Microsoft Office.
Spin MasterTSX: TOY: Designs and manufactures toys and children's entertainment content.
2+ YOEDesign and engineer toy/product portfolios from concept to production; prototyping; manufacturing support; cost and performance optimization; travel.
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
5+ YOE5+ years process engineering experience with pressure-relief and process safety expertise; ability to perform PSV sizing, relief/load and flare network analysis; proficiency with HYSYS/PRO-II and relief analysis tools; bachelor's in chemical engineering required.
HYSYS, PRO/II, iPRSM, PSPPM, Flare Network Analyzer, Computational Fluid Dynamics (CFD), Aspen Plus, Aspen PIMS, Microsoft Office Suite
Observable Space: Developing integrated hardware and software for persistent space observation.
5+ YOE5+ years in electrical engineering with photonics, electro-optical systems, or high-performance sensors; strong analog/mixed-signal design and PCB bring-up; high-speed data interfaces and signal integrity.
Oscilloscopes, Spectrum Analyzers, Signal Generators, PCB Design
Affiliated Engineers: Provides engineering design and consulting for complex buildings.
BS in mechanical/aerospace engineering from ABET school, EIT a plus. Ability to perform load calculations, system sizing, equipment selection, field surveys, and review shop drawings; strong communication and organization skills.
CDM Smith: Engineering and construction firm for global infrastructure projects.
5+ YOEBachelor's in engineering (civil/environmental/chemical) or related, EIT/FE within 18 months, 5+ years related experience, California PE preferred, ability to perform design, permitting, and site reviews, strong communication.
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
5+ YOEBachelor's in mechanical/aerospace engineering, 5+ years hands-on aerospace/defense or high-performance engineering, experience leading hardware programs and designing propulsion/thermal/fluid/turbomachinery or structural components.
Donan Engineering: Provides forensic engineering and property loss investigations.
Active state PE licensure, bachelor’s degree in engineering, valid driver’s license, ability to travel and perform physical inspections, strong report writing and computer skills, and annual litigation training.
Tullahoma or Valparaiso or Huntsville or Edwards Air Force Base or Dayton
OnsiteFull Time
Canvas: Provides engineering and technical services for national defense missions.
Provide systems engineering, flight test planning and execution for hypersonic programs, develop safety documentation, coordinate range operations, perform post‑flight telemetry analysis, and author technical reports.