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It Application Support Engineer Jobs in California

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It Application Support Engineer information

What cities in California are hiring for It Application Support Engineer jobs?

Cities in California with the most It Application Support Engineer job openings:

Infographic showing various It Application Support Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 70% Full Time, 23% Part Time, and 6% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.

Senior Application Support Engineer

Walnut Creek, CA

Neshent Technologies
11 - 50 employees
Learn more about Neshent Technologiesexternal

Full-time

Posted 18 days ago

Job description

We are seeking a skilled Senior Application Support Engineer to provide L3 application support across production and non-production environments. The role requires strong Java and React.js expertise, along with experience in observability, dashboarding, troubleshooting, and incident triage. The engineer will help maintain application stability, performance, and reliability while collaborating with development and cross-functional teams.

Roles and Responsibilities
  • Provide L3 application support for production and non-production environments.
  • Troubleshoot and resolve issues using Java and React.js expertise.
  • Implement observability practices to monitor application health and performance.
  • Create and maintain dashboards for application metrics and performance monitoring.
  • Triage complex issues and collaborate with development teams on resolution.
  • Perform root cause analysis and recommend preventive actions.
  • Assist with application deployment and configuration across environments.
  • Document troubleshooting procedures, resolutions, and best practices.
  • Mentor and support junior team members.
Mandatory Skills
  • Strong hands-on experience with React.js.
  • Strong knowledge of Java.
  • Experience with observability tools and practices.
  • Experience creating and managing monitoring dashboards.
  • Strong troubleshooting, problem-solving, and incident management skills.
  • Excellent verbal and written communication.
  • Ability to work effectively in a collaborative team environment.
Preferred Skills
  • Experience with cloud platforms.
  • Knowledge of CI/CD and DevOps practices.
  • Experience with SQL and database management.
  • Understanding of Agile methodologies.
  • Experience with application performance tuning and optimization.

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