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15 technical support expert jobs at 12 companies in California

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SENIOR INFORMATION TECHNOLOGY TECHNICAL SUPPORT ANALYST
Los Angeles or Los Angeles County
$86k-$115k/yr OnsiteFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
Senior-level IT support: expert desktop, network, and multi-platform troubleshooting; installing and servicing computers and networking devices; coordinating major incident resolution; leading or directing lower-level IT staff; preparing technical documentation.
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Senior Technical Support Engineer - Industrial Networking
Brea, California, United States
$81k-$122k/yr OnsiteFull Time
Moxa
Moxa: Provides industrial networking, computing, and automation hardware for IIoT.
5+ YOEBachelor's degree or equivalent, 5+ years networking experience, expert Wireshark and CLI skills, deep L2/L3 knowledge, EM/on‑site troubleshooting, US work authorization, proficiency with Microsoft Office and Linux.
Wireshark, Linux, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Teams, Microsoft Visio, Microsoft PowerPoint
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Senior Technical Support Engineer - Industrial Networking
Brea, California, United States
$73k-$110k/yr OnsiteFull Time
Moxa
Moxa: Sells industrial networking and computing hardware for automation systems.
5+ YOE5+ years networking experience with Ethernet/IP, expert Wireshark skills, CLI proficiency, bachelor\u0002s degree or equivalent experience preferred, authorization to work in the US, strong customer-facing troubleshooting and escalation management skills.
Wireshark, Linux, CLI, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Teams, Visio, PowerPoint
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2mo
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Ascendancy Group LTD - Technical Writing Support
Coronado, California, United States
OnsiteFull Time
The Ascendancy Group
The Ascendancy Group: Provides technical and training solutions for defense and intelligence agencies.
10+ YOEBachelor's degree, Secret clearance, 10 years' experience documenting SOF or Navy training doctrine, prior US government administrative support, expert MS Office and SharePoint, Microsoft CRM, intermediate Adobe Acrobat, valid driver's license, AI tool proficiency, strong written/verbal communication.
Microsoft Office Suite, Microsoft SharePoint, Microsoft Customer Relationship Manager (CRM), Adobe Acrobat
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Technical Writer
Coronado, California, United States
$80k-$100k/yr OnsiteFull Time
People, Technology & Processes
People, Technology & Processes: Provides IT services and mission support for government agencies.
10+ YOEBachelor's degree, SECRET clearance, 10 years' experience documenting SOF or Navy training doctrine, prior US government administrative support, expert MS Office and SharePoint, CRM experience, intermediate Adobe Acrobat.
Microsoft Office Suite, SharePoint, Microsoft Customer Relationship Manager (CRM), Adobe Acrobat
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3w
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Senior Production Support Engineer
United States or Oakland
$87k-$127k/yr RemoteFull Time
Marqeta
MarqetaNASDAQ: MQ: Providing cloud-based card issuing and payment processing infrastructure.
8+ YOE8+ years in technical/production support for B2B customers, payments knowledge preferred, expert SQL, Datadog experience, API troubleshooting (cURL/HTTP), strong communication and incident/escalation management.
cURL, HTTP, SQL, Datadog, Salesforce, Jira
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2w
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Single-Use Technology Expert-San Francisco Region
California, United States
$110k-$135k/yr RemoteFull Time
Sartorius
SartoriusXETRA: SRT3: Providing equipment and technologies for biopharmaceutical research and manufacturing.
3+ YOEMaster's degree in engineering or science, 3+ years in process development or manufacturing support, and technical and industry knowledge in pharma or biotech. Requires communication, computer, and complex problem-solving skills.
Microsoft Office, CRM
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Production Support (Admin) Lead
Garden Grove, California, United States
$25-$30/hr OnsiteFull Time
Winchester Interconnect
Winchester Interconnect: Manufacturer of precision-engineered interconnect solutions for harsh environments.
3+ YOEU.S. Person required (ITAR). Minimum 3 years production control/production planning experience in manufacturing, aerospace/defense preferred. Lead/mentorship experience, expert Syspro ERP proficiency, ability to read technical drawings, AS9100 knowledge, strong communication and problem-solving.
Google Workspace, ADP, Syspro, QMS
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2mo
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Hardware (HW) Qualification and Development Support Team (DST) Engineer III
Santa Clara, California, United States
$138k-$190k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
Technical expert in an R&D discipline (Optic, Electronic, Motion, SEM); define and execute qualification and calibration plans; qualify module performance; provide risk assessment and high-level debugging.
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Executive Assistant
Santa Clara, California, United States
HybridFull Time
Tenstorrent
Tenstorrent: Designs and manufactures AI processors and RISC-V CPU solutions.
Proven experience supporting senior leaders, expert calendar and travel coordination, strong communication, discretion, prioritization, and initiative in fast-paced technical environments.
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Business Analyst
Sacramento County or Sacramento
$7k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Expert business systems analysis, requirements development, IT system upgrades, enhancements, problem resolution, technical documentation, implementation support, and compliance with California state employment qualifications.
Statement of Qualifications, Microsoft Word
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Machine Learning Engineer
Chicago or Washington or Tallahassee or Sarasota or Hartford or Nashville or Costa Mesa or San Jose or Atlanta or Boston or Burlington or Cleveland or Columbus or Dallas or Denver or Fort Lauderdale or Fort Wayne or Grand Rapids or Indianapolis or Knoxville or Lexington or Livingston or Plano or Louisville or Los Angeles or Miami or The Woodlands or New York City or Oakbrook Terrace or Sacramento or San Francisco or South Bend or Springfield or Tampa or Houston or Austin or Charlotte
$62k-$100k/yr OnsiteFull Time
Crowe
Crowe: Global professional services firm providing audit, tax, and consulting.
Expert Python and Git skills; ability to develop, test, debug, and document production AI solutions, navigate ambiguity, communicate technical details, and support ethical and security reviews.
Python, Git, ChatGPT Enterprise, Microsoft Copilot, Azure AI Foundry
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4w
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Emergency Response Toxicologist
Contra Costa County, California, United States
$9k-$12k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Subject-matter expert in toxicology to perform exposure and risk assessments, develop technical guidance, coordinate with federal/state/local partners, and support emergency response; must meet classification minimum qualifications.
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3w
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Director, FP&A, R&D
Toronto or United States or San Francisco
$176k-$250k/yr HybridFull Time
EvenUp
EvenUp: AI-powered document generation and analysis for personal injury law.
8+ YOE8+ years FP&A/corporate finance supporting R&D or technical orgs; strong SaaS and AI economics understanding; expert SQL and Excel/Sheets modeling; experience with BigQuery/dbt preferred.
BigQuery, dbt, SQL, Microsoft Excel, Google Sheets, EPMs
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Principal CyberSecurity Architect
Sacramento County or Rancho Cordova
$10k-$13k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Expert-level cybersecurity architect to lead security posture for on-premises and cloud environments, provide strategic and technical leadership, remediate IT security risks, and support enterprise architecture and governance. Background check and fingerprint clearance required.
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