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L3 Support Engineer Jobs in California (NOW HIRING)

Delviom LLC

Application Support

San Leandro, CA · On-site

We are seeking a dedicated and skilled Technical Support Engineer to join our team. The ideal candidate will be responsible for providing application support for Level 3 (L3) issues in both ...

Northern Base

MFT Platform Support Engineer

Irvine, CA · On-site

MFT Platform Support Engineer Irvine, CA Fulltime MFT Platform Support Engineer Must Have Technical ... The role provides L2/L3 operational support, drives incident resolution, performs deployment ...

ClifyX

BAU_L3 Support_Data Engineer

Irvine, CA · On-site

$121K - $145K/yr

Job Summary : ClifyX is seeking an experienced Data Engineering Tower/Pod Lead with a strong ... and production support readiness. • Collaborate with business, portfolio management, and ...

Fortinet

Technical Support Engineer

Sunnyvale, CA

$90K - $110K/yr

As a Technical Support Engineer, you will: Provide direct technical web and telephone support to ... Strong understanding of TCP/IP, routing protocols, L2/L3 switches * Experience with security ...

Fortinet

Technical Support Engineer

Sunnyvale, CA

$90K - $110K/yr

As a Technical Support Engineer, you will: Provide direct technical web and telephone support to ... Strong understanding of TCP/IP, routing protocols, L2/L3 switches * Experience with security ...

Fortinet, Inc.

Technical Support Engineer

Sunnyvale, CA · On-site

$90K - $110K/yr

As a Technical Support Engineer, you will: Provide direct technical web and telephone support to ... Strong understanding of TCP/IP, routing protocols, L2/L3 switches * Experience with security ...

Fortinet, Inc.

Technical Support Engineer

Sunnyvale, CA · On-site

$90K - $110K/yr

As a Technical Support Engineer, you will: Provide direct technical web and telephone support to ... Strong understanding of TCP/IP, routing protocols, L2/L3 switches * Experience with security ...

Fortinet, Inc.

Technical Support Engineer

Sunnyvale, CA

$90K - $110K/yr

As a Technical Support Engineer, you will: Provide direct technical web and telephone support to ... Strong understanding of TCP/IP, routing protocols, L2/L3 switches * Experience with security ...

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L3 Support Engineer information

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$67

How much do l3 support engineer jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for l3 support engineer in California is $39.35, according to ZipRecruiter salary data. Most workers in this role earn between $29.18 and $46.01 per hour, depending on experience, location, and employer.

What is an L3 Support Engineer?

L3 Support Engineers, also known as Level 3 or Tier 3 support engineers, are technical experts who handle the most complex and advanced issues that cannot be resolved by lower-level support teams. They are responsible for diagnosing and troubleshooting escalated problems, often involving in-depth analysis of systems, software, or hardware. L3 Support Engineers may work directly with developers to resolve bugs, create patches, or suggest improvements, ensuring that critical technical issues are resolved efficiently. Their expertise is crucial for maintaining system stability and customer satisfaction in highly technical environments.

What are the key skills and qualifications needed to thrive as an L3 Support Engineer?

To thrive as an L3 Support Engineer, you need advanced troubleshooting abilities, deep technical expertise in relevant systems or applications, and typically a degree in computer science or a related field. Familiarity with diagnostic tools, scripting languages, ticketing systems (like ServiceNow or Jira), and relevant certifications such as ITIL or vendor-specific credentials are commonly required. Strong analytical thinking, communication skills, and a customer-centric mindset help in resolving complex issues and collaborating with cross-functional teams. These skills and qualities are vital for efficiently resolving high-level technical problems and maintaining system reliability in enterprise environments.

How does an L3 Support Engineer typically interact with other technical teams during complex incident resolution?

L3 Support Engineers often serve as the final escalation point for technical issues, collaborating closely with development, QA, and operations teams. During complex incidents, they work alongside L1 and L2 support to gather detailed information, then coordinate with product engineers or system architects to diagnose and resolve root causes. This role requires strong communication skills, as you'll often translate technical findings for both technical and non-technical stakeholders. Successful L3 engineers build cross-functional relationships, ensuring efficient problem-solving and continuous improvement of support processes.

What is the difference between L3 Support Engineer vs Network Support Engineer?

AspectL3 Support EngineerNetwork Support Engineer
CertificationsITIL, CompTIA Network+, Cisco CCNACCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise IT, technical support teamsNetwork operations centers, enterprise networks, troubleshooting teams
Industry UsageIT services, tech companies, telecomTelecom, IT infrastructure, enterprise networking

Both roles require networking certifications like CCNA and involve troubleshooting complex technical issues. While L3 Support Engineers handle escalated technical problems across various IT systems, Network Support Engineers focus specifically on network infrastructure and connectivity. The roles often overlap in enterprise environments, but L3 Support Engineers typically have broader responsibilities across multiple systems, whereas Network Support Engineers specialize in network-related issues.

What are the most commonly searched types of L3 Support Engineer jobs in California?

The most popular types of L3 Support Engineer jobs in California are:

What are popular job titles related to L3 Support Engineer jobs in California?

For L3 Support Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching L3 Support Engineer jobs in California look for?

The top searched job categories for L3 Support Engineer jobs in California are:

L3 Support Engineer jobs near you
Infographic showing various L3 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, with an average salary of $81,844 per year, or $39.3 per hour.

Data Engineer - L3 Support Engineer (Sr)

Ztek Consulting

Irvine, CA • On-site

$122K - $147K/yr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: BAU/L3 - Data Engineer - L3 Support Engineer (Sr)


Location: Irvine, CA (Onsite)


Job Description

This role requires coordination between onshore, nearshore, and offshore teams

Required Skills

• Strong experience with Databricks, Apache Spark, and performance tuning.

• Expertise in Apache Airflow/Astronomer for workflow orchestration and DAG design.

• Deep understanding of Data Engineering, ETL/ELT, and large-scale data platforms.

• Experience with CI/CD, DevOps, Infrastructure as Code (IaC), and automation.

• Strong platform management, monitoring, and incident management experience.

• Excellent leadership and stakeholder management skills.

Preferred Domain Experience

• Asset Management

• Investment Management

• Capital Markets

• Portfolio & Market Data Platforms

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