54 operations process engineer jobs at 44 companies in Vallejo, CA

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Cryogenic Operations Gas Process Engineer
Livermore, California, United States
$176k-$223k/yr OnsiteFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Bachelor's in Materials, Chemical, or Mechanical Engineering; extensive cryogenic gas handling and process controls experience; DOE Q clearance or eligibility; strong analytical and leadership skills; on-site required.
Cryogenic systems, Gas handling systems, Process controls, Automation/interlocks, PC and Macintosh computers
1w
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Process Engineer
Berkeley or Menlo Park
$90k-$150k/yr OnsiteFull Time
AttoTude
AttoTude: Developing terahertz-based interconnect solutions for AI data centers.
Hands-on micro- and nanofabrication experience in a cleanroom; operate photolithography, deposition, etch, and metrology tools; follow safety/chemical protocols; document processes and troubleshoot yield issues.
spin coater, mask aligner, developer, evaporation, sputtering, PECVD, RIE, DRIE, wet etch, optical microscopy, profilometry, ellipsometry, SEM
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Process Engineer
South San Francisco, California, United States
$90k-$210k/yr OnsiteFull Time
Cellares
Cellares: Automated manufacturing platform for large-scale cell therapy production.
3+ YOEBachelor's in a scientific field, 3+ years biotech/biopharma cGMP operations experience with technology transfer; experience with GMP documentation, process validation, statistical analysis, and strong analytical and communication skills.
eBR, MES, QMS, ERP, LIMS
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Process Engineer
Fremont, California, United States
OnsiteMultiple Commitments Available
Velo3D
Velo3DNASDAQ: VELO: Manufacturer of advanced metal 3D printers and software.
Execute experiments, operate printers, analyze qualification builds, document results, and collaborate to resolve print issues.
3D printing, X-ray inspection, metrology, data recording, SOPs and checklists
3w
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Process Engineer - System In Package - Alternative Hours
Santa Rosa, California, United States
$139k-$232k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
2+ YOEBachelor's in engineering or related field, 2+ years manufacturing/semiconductor/hardware experience, process and equipment troubleshooting, independent operations support, strong judgment, and communication skills.
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Senior Process Engineer (Preconstruction)
San Francisco, California, United States
$150k-$250k/yr RemoteFull Time
Candid Intelligence
Candid Intelligence: AI software for pre-construction engineering and infrastructure planning.
7+ YOE7+ years at an EPC/PMC/owner-operator, strong FEED and detailed design experience, ownership of PFD and P&ID development, Aspen HYSYS/Aspen Plus experience, knowledge of API/ASME/NFPA/ISA standards, strong cross-discipline judgement.
Aspen HYSYS, Aspen Plus
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Fleet Operations & Analytics Engineer
Menlo Park, California, United States
$109k-$123k/yr OnsiteFull Time
Mainspring Energy
Mainspring Energy: Manufactures fuel-flexible linear generators for onsite power generation.
Bachelor's in engineering (preferred mechanical/electrical), strong systems troubleshooting, operations/process discipline, time‑series data analysis, dashboarding, Python experience preferred, and ability to work onsite at Menlo Park HQ.
Python
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Manager, Process Technology
American Canyon, California, United States
$95k-$148k/yr OnsiteFull Time
Barry Callebaut
Barry CallebautSIX Swiss Exchange: BARN: Manufactures and supplies industrial chocolate and cocoa products.
5+ YOEBachelor/Master in engineering or related field, 5+ years manufacturing experience in process/operations, SAP and SPC knowledge, ability to scale processes, analytics and leadership skills.
Microsoft Office Suite, SAP, SPC, CMMS, MES, AI, IoT, robotics
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Delivery Operations Systems & Process Manager
Denver or Chicago or Menlo Park
$139k-$183k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
7+ YOE7–12+ years in delivery operations, PSA/ERP systems engineering, or professional services operations; deep experience with Certinia PSA/ERP/CS; proven AI automation and agentic workflows; coding agents; systems architecture and data governance.
Certinia, Salesforce, Smartsheet, Snowflake, AI tooling
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Operations Engineer - Peptide API
Menlo Park, California, United States
$110k-$125k/yr OnsiteFull Time
Hims & Hers Health
Hims & Hers HealthNYSE: HIMS: Provides telehealth consultations and personalized health products online.
2+ YOEBachelor's in chemical/chemistry/biochemistry or related, 2+ years pharma/biotech/chemical manufacturing experience, peptide/API manufacturing or complex chemical process experience preferred, cGMP knowledge, hands-on troubleshooting, documentation and SOP experience.
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Business Operations Associate
San Mateo, California, United States
HybridFull Time
Stealth HC: A stealth-mode healthcare AI startup building an AI-first platform to make it easier for physicians to start, operate, and grow independent practices.
1+ YOE1–3 years experience preferred; execute and optimize operational processes, work cross-functionally with engineering/design/clinical teams, perform market and competitor research, and take ownership of product/process scaling.
2w
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Forward Deployed Engineer
Cambridge or Boston or San Francisco
FieldFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
3+ YOEB.S. in engineering, 3+ years solution or manufacturing/process/industrial engineering experience, familiarity with manufacturing processes and continuous improvement (Lean, Six Sigma, SPC, PFMEA), strong communication, and ability to operate autonomously on extended customer deployments.
Voyager, ML, industrial CT, CMM, GD&T, SPC, PFMEA
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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.
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Senior Business Operations & Strategy Manager
Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Platform for mobile application distribution and advertising monetization.
8+ YOE8+ years in business operations, strategy, consulting, or cross-functional leadership; experience with Salesforce and Tableau; strong process engineering, FP&A, deal desk, and executive communication skills.
Salesforce, Tableau
2w
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Sr Software Engineer - Lending Platform
Columbus or Austin or San Francisco or New York City or United States or Canada
$167k-$231k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
4+ YOEBachelor's degree or equivalent experience, 4+ years building and operating production distributed, event-driven cloud systems (AWS); experience with scalable backend and high-volume data processing; strong engineering best practices.
AWS
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Staff Data Platform Engineer
New York or Los Angeles or San Francisco
$190k-$240k/yr HybridFull Time
Tatari
Tatari: A platform for buying and measuring TV advertising campaigns.
3+ YOE3+ years cloud infrastructure/SRE/platform engineering; strong operational discipline; experience with HA architectures, workflow orchestration, Linux scripting, containers, distributed processing, streaming, IaC, observability, and managed data platforms.
AWS, GCP, Azure, Airflow, Bash, Python, Spark, PySpark, Kubernetes, Docker, Kafka, Flink, Terraform, Helm, ClickHouse, Postgres, Redshift, Datadog, Prometheus, Kibana, Databricks
2w
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Director, Technical Operations (Small Molecule Drug Substance)
Elkton or San Francisco or Los Angeles or Rahway or Puerto Rico or United States
$173k-$273k/yr OnsiteFull Time
Merck & Co.
Merck & Co.NYSE: MRK: Produces prescription medicines, vaccines, and animal health products.
10+ YOEBachelor's in science/engineering, 10+ years small-molecule drug substance technical/operations experience (7+ years with advanced degree), expertise in tech transfer, scale-up, validation, GMP/ICH, process safety, investigations, leadership and stakeholder management.
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Software Engineer, Operational/ Process Efficiency
Mountain View, California, United States
$175k-$215k/yr HybridFull Time
Waymo
Waymo: Autonomous driving technology for ride-hailing and logistics.
Masters or PhD in ML, CS, or related field; proven ability to deliver production ML solutions; experience deploying ML models at scale; strong cross-functional collaboration.
Python, Machine Learning Frameworks, Reinforcement Learning, Simulation, ROS, C++
2w
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Hardware Integration and NPI Engineering Operations Lead
Fremont or Clearwater
OnsiteFull Time
Hyve Solutions
Hyve SolutionsNYSE: SNX: Designs and manufactures custom hardware for hyperscale data centers.
Bachelor's/Master's in engineering or relevant experience; proven experience in hardware integration, system engineering, NPI, manufacturing process transfer, production ramp, and cross-functional execution leadership.
2w
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Machine Learning Engineer - Inference Maintainer & Developer Experience
New York City or San Francisco or United States or Europe
RemoteFull Time
Roboflow
Roboflow: Platform for building and deploying custom computer vision models.
5+ YOE5+ years building and operating production ML systems, strong CV/inference foundation, CI/CD and test infra experience, proficiency with PyTorch/TensorFlow/ONNX/TensorRT/vLLM, and experience with image/video processing tools.
inference, PyTorch, TensorFlow, ONNX, TensorRT, vLLM, OpenCV, DeepStream, Pillow, PyAV, GitHub, CI/CD