14,093 performance engineer jobs at 5,225 companies in United States
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Performance Engineer
San Jose, California, United States
$135k-$170k/yrOnsiteFull Time
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
2+ YOEBachelor's in engineering/computer science, experience benchmarking and characterizing GPU cluster performance, proficiency with performance tooling and scripting (Python); strong systems and networking knowledge.
NRG EnergyNYSE: NRG: Integrated energy and home services provider.
5+ YOEBachelor's in engineering (or 5-8 years relevant experience), knowledge of thermal performance monitoring, MS Word/Excel/PI Processbook proficiency, LOTO understanding, strong communication and analytical skills.
TC EnergyToronto Stock Exchange: TRP: Operates energy infrastructure including natural gas pipelines and power plants.
6+ YOEBachelor's in Engineering,6+ years compressor performance/modeling experience,knowledge of pipeline operations,compressor and driver modeling,tuning,and analysis,PLC familiarity,and strong communication and data-analysis skills.
Geronimo Power: Developer and operator of utility-scale renewable energy projects.
3+ YOEBS in engineering or scientific field (MS preferred),3+ years in solar performance/analytics,proficiency with Python and PVLib,experience with relational databases/AVEVA PI/SCADA,ability to translate analysis into business insights.
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
7+ YOE7+ years performance test engineering experience; bachelor’s in IT/Computer Science; experience with LoadRunner, Performance Center, AppDynamics, Splunk, CloudWatch, Jenkins, REST, databases; strong test planning and analysis skills.
Performance Center, LoadRunner, AppDynamics, Splunk, Wily, CloudWatch, CI/CD, Jenkins, REST, Web services, Oracle, SQL Server
FluenceNasdaq: FLNC: Provides energy storage systems and optimization software for renewables.
Bachelor’s in Electrical Engineering; Master’s preferred; experience in energy storage; AWS and Python skills; proficient in MS Office; ability to multitask and travel domestically.
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
7+ YOE8+ years in SDLC/TDLC with 6+ years in performance testing; experience with LoadRunner/JMeter/Neoload; Java or Python; API REST/SOAP testing; CI/CD and monitoring tools; metrics and dashboarding experience.
Dairyland Power Cooperative: Generates and transmits wholesale electricity for member-owned cooperatives.
5+ YOEB.S. in Engineering or Physical Sciences, 5+ years engineering/project experience in plant operations or maintenance, expertise in power plant performance analysis and modeling, ability to develop computer-based performance models, and ability to attain Professional Engineer registration.
eSimplicity: Provides digital and data services to federal government agencies.
4+ YOE4+ years in performance/data engineering; hands-on tuning of Spark/PySpark and AWS Glue, Airflow/MWAA, S3 data lakes, Athena/Trino, PostgreSQL/Redshift; Python and SQL proficiency; eligible for U.S. Public Trust clearance.
MTU Aero EnginesFrankfurt Stock Exchange: MTX: Manufactures and maintains aircraft engines and turbine components.
4+ YOEB.S. in Mechanical/Aerospace Engineering (M.S. preferred), 4+ years engineering experience in gas turbine performance/aerodynamics, NPSS and Python experience preferred, strong communication, eligible to work in the U.S.
StellantisNYSE: STLA: Designs and manufactures vehicles for diverse global automotive brands.
8+ YOEABET‑accredited BSc in engineering, minimum 8 years engineering experience, NVH analysis knowledge, vehicle systems understanding, Microsoft Office proficiency, strong communication and teamwork skills.
LMS, Head Acoustics, B&K, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams, Siemens Simcenter Testlab, HEAD Acoustics ArtemiS, MATLAB, Simulink
NaborsNYSE: NBR: Provides global land and offshore oil drilling services.
Bachelor's in engineering, understanding of oil & gas, strong communication, analytical and problem-solving skills, ability to manage priorities, meet deadlines, and travel for rig visits (25%).
PowerBI, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
Avelo Airlines: Provides low-cost scheduled passenger flights to regional airports.
Bachelor's degree or equivalent experience in engineering/aviation/analytics, knowledge of Part 121 and Part 25 regs, strong statistical and communication skills, aircraft performance and fuel analysis experience, familiarity with airline operational processes.
NavBlue, Microsoft Fabric, PowerBI, Flight Management Systems, ACARS
Arbor Energy: Building advanced power systems for clean, carbon-negative electricity.
4+ YOEBachelor's in engineering; 4+ years in cycle performance analysis; thermo/fluid/heat transfer expertise; 1D dynamic models; Python; MATLAB/Simulink/Modelica; team collaboration.
ATS: Engineers and installs smart building automation and control systems.
Bachelor’s in Engineering or equivalent, knowledge of building mechanical systems, DDC control theory, energy management, M&V, monitoring-based commissioning, and ability to perform field work and site assessments.
Visionix: Manufactures and distributes ophthalmic diagnostic and lens finishing systems.
Bachelor's in health information & data science, biomedical engineering, or related field; responsibilities include performance verification, debugging, prototype development, and supporting clinical validation under SOP and GCP standards.