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L3 Jobs in California (NOW HIRING)

L3 Service Engineer

Glendale, CA · On-site

$100 - $125/hr

The Opportunity Datastream IT is seeking an L3 Service Engineer to serve as a senior technical resource and provide advanced technical support for client users and environments, while serving as a ...

We are seeking an experienced Data Center Technician (L3) to support the installation, maintenance, troubleshooting, and optimization of large-scale, high-performance data center infrastructure for ...

We are seeking an experienced Data Center Technician (L3) to support the installation, maintenance, troubleshooting, and optimization of large-scale, high-performance data center infrastructure for ...

... L3 and L1-L2 interface, O-RAN FH interface awareness mainly WG4. Knowledge of End to end call flows at high level • MUST - Prior Working level /testing experience of RAN network elements - DU/BBU ...

Networking domain experience working with L2 or L3 networking protocols such as ISIS, BGP, MPLS, IPv6, GRE, MPLS-TE, LDP, RSVP, LDP, Segment routing, L2VPN, L3VPN, EVPN. * Experience in networking ...

Networking domain experience working with L2 or L3 networking protocols such as ISIS, BGP, MPLS, IPv6, GRE, MPLS-TE, LDP, RSVP, LDP, Segment routing, L2VPN, L3VPN, EVPN. * Experience in networking ...

Description: Job Summary: Functions as a Lead of the healthcare team, coordinates departmental operations that ensure quality patient care in a safe, healing environment that is patient and family ...

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L3 information

See California salary details

$12

$41

$68

How much do l3 jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for l3 in California is $41.76, according to ZipRecruiter salary data. Most workers in this role earn between $29.42 and $53.90 per hour, depending on experience, location, and employer.

What is an L3?

L3 typically refers to a 'Level 3' position within a company's job leveling system, especially in technology firms. It often indicates an entry-level or early-career role, such as a software engineer who has some professional experience but is not yet at a senior or specialized level. The responsibilities usually include writing code, fixing bugs, and collaborating with other team members under guidance. Exact duties and requirements can vary by company, but L3 roles generally serve as a foundation for further professional growth.

What skills and qualifications are needed to thrive as an L3?

To thrive as a Level 3 IT Support Technician, you need advanced troubleshooting skills, in-depth knowledge of operating systems and networks, and usually industry certifications like CompTIA, Microsoft, or Cisco credentials. Familiarity with ticketing systems, remote management tools, and enterprise-level hardware and software is typically required. Strong problem-solving abilities, effective communication, and the ability to remain calm under pressure are standout soft skills in this role. These competencies are crucial for resolving complex technical issues efficiently and ensuring minimal disruption to business operations.

What are common challenges faced by L3 support engineers, and how can they manage them?

L3 support engineers often handle the most complex and unresolved technical issues that have been escalated from lower support tiers. A common challenge is diagnosing problems that do not have straightforward solutions, frequently requiring in-depth analysis and collaboration with development teams. Effective management of these situations involves strong troubleshooting skills, clear communication with stakeholders, and maintaining detailed documentation. Building strong relationships with other technical teams and staying updated on product changes are also crucial for success in this role.

What is the difference between L3 vs Network Technician?

AspectL3Network Technician
Required CertificationsCCNA, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentData centers, enterprise networksOffice, on-site client locations
Employer & Industry UsageIT service providers, large corporationsTelecom, IT support companies

Both L3 and Network Technicians often hold similar certifications and work in network environments. L3 roles typically involve advanced troubleshooting, network design, and configuration, often within larger organizations or data centers. Network Technicians focus on installation, maintenance, and basic troubleshooting. While their skills overlap, L3 positions usually require more experience and deeper technical knowledge, making them suitable for more complex network tasks.

What cities in California are hiring for L3 jobs?

Cities in California with the most L3 job openings:

Infographic showing various L3 job openings in California as of August 2026, with employment types broken down into 83% Full Time, 7% Part Time, 9% Contract, and 1% Nights. Highlights an 85% Physical, 9% Hybrid, and 6% Remote job distribution, with an average salary of $86,852 per year, or $41.8 per hour.

L3 Service Engineer

Datastream IT

Glendale, CA • On-site

$100 - $125/hr

Other

PTO

Posted 20 days ago


Key responsibilities

  • Provide senior-level technical support to client environments through phone, email, and remote tools.

  • Lead root cause analysis and resolution of complex, high-priority technical issues and critical incidents.

  • Serve as a senior escalation resource by offering advanced troubleshooting, technical guidance, and mentorship to other Engineers.


Job description

About Datastream IT

Datastream IT is a Managed Service Provider serving small and mid‑sized businesses with IT support, infrastructure management, cybersecurity, cloud services, and technology consulting.

We are a performance‑driven organization that runs on EOS (Entrepreneurial Operating System), which means we value clear expectations, accountability, measurable goals, documented processes, and continuous improvement. Our team knows what success looks like, how performance is measured, and how each role contributes to the company's growth.

Core Values

Our core values guide how we work with clients, teammates, vendors, and partners:

  • Caring: We care about our clients, teammates, and the quality of our work, and we demonstrate it through respect, responsiveness, and follow‑through.
  • Can Do Attitude: We take ownership, look for solutions, and move work forward.
  • Forward Thinking: We continuously improve systems, processes, and client outcomes.
  • Team Player: We communicate openly, support one another, and work together to succeed.

Successful team members live these values, take pride in their work, embrace accountability, and genuinely enjoy helping others succeed.

We believe meaningful work, professional growth, fair compensation, and a healthy life outside of work can coexist. Those principles shape how we hire, lead, and grow as a team.

The Opportunity

Datastream IT is seeking an L3 Service Engineer to serve as a senior technical resource and provide advanced technical support for client users and environments, while serving as a key escalation resource.

In this role, you will lead the resolution of complex technical issues, support critical incidents, improve client environments, contribute to technical standards, and provide guidance to Engineers across the organization. You will work closely with clients, Engineers, Service Coordinators, Centralized Services, vendors, and leadership to resolve challenging issues, improve operational effectiveness, and drive technical excellence.

This role is well suited for someone who is technically advanced, dependable, and committed to continuous learning, and who enjoys solving complex problems, mentoring others, improving systems and processes, and serving as a trusted technical leader within an MSP environment.

How We Measure Success
  • Resolves complex technical issues and critical incidents efficiently while maintaining high service quality, client satisfaction, and operational stability.
  • Serves as a trusted technical leader through effective escalation support, knowledge sharing, mentorship, and technical guidance.
  • Contributes to continuous improvement through technical standardization, process improvement, operational excellence, and alignment with Datastream IT's Core Values.
What You'll Do Technical Support
  • Provide senior-level technical support to client users and environments through phone, email, and remote support tools.
  • Troubleshoot, diagnose, administer, and resolve complex technical issues involving Microsoft 365, Windows and Mac workstations, Active Directory, Entra ID, Intune, networking, VPNs, servers, virtualization platforms, backup solutions, security platforms, printers, business applications, and other technologies commonly supported within an MSP environment.
  • Take ownership of assigned issues through resolution while maintaining clear communication, documentation, and follow‑through.
  • Lead root cause analysis and resolution of recurring, complex, client‑impacting, and high‑priority technical issues by identifying root causes, implementing corrective actions, and coordinating resources as necessary.
  • Participate in technical projects, maintenance activities, system improvements, and other operational initiatives.
  • Serve as a senior escalation resource for L1 and L2 Service Engineers by providing advanced troubleshooting assistance, technical guidance, mentorship, and knowledge sharing.
  • Escalate issues appropriately when additional resources, vendor support, or authorization are required.
Client Service & Documentation
  • Maintain professional communication with clients, team members, vendors, and leadership while managing competing priorities and client expectations.
  • Maintain accurate ticket notes, time entries, status updates, and technical documentation while following established procedures and service standards.
  • Support SLA performance by responding to, updating, and progressing assigned work in a timely manner.
  • Contribute to the development and maintenance of technical documentation, knowledge base resources, and standard operating procedures.
Technical Leadership & Development
  • Demonstrate ongoing technical growth through training, certifications, research, technical leadership, and increased responsibilities.
  • Provide technical leadership, troubleshooting assistance, escalation support, training, mentorship, and knowledge sharing to Engineers across the service team.
  • Promote technical consistency, best practices, standardization, and adherence to established service standards.
  • Contribute to the development of team capabilities, technical maturity, and operational excellence.
What We're Looking For Experience
  • 6+ years of IT support, systems administration, senior‑level technical troubleshooting, and technical leadership experience; experience within an MSP supporting multiple client environments is preferred.
  • Prior experience serving as a senior escalation resource for complex technical issues, critical incidents, and client‑impacting situations.
Technical Skills
  • Advanced troubleshooting, administration, and technical leadership skills involving Microsoft 365, Active Directory, Entra ID, Intune, Windows and Mac workstations, networking, firewalls, VPNs, servers, virtualization platforms, backup solutions, security platforms, business applications, identity management, endpoint management, cybersecurity, business continuity, disaster recovery, and other technologies commonly supported within an MSP environment.
  • Ability to diagnose complex technical issues, identify root causes, develop effective solutions, and drive technical issues through resolution.
Professional Skills
  • Strong documentation habits, attention to detail, and commitment to maintaining accurate technical documentation, ticket records, operational procedures, and technical standards.
  • Ability to manage competing priorities, exercise sound judgment, and remain effective during escalations, major incidents, and client‑impacting situations.
  • Excellent communication and customer service skills, with the ability to communicate professionally with technical and non‑technical audiences, including end users, managers, business owners, and executive leadership.
  • Ability to provide technical leadership, mentor team members, share knowledge effectively, and contribute to technical consistency, team development, and operational excellence.
Tools & Platforms
  • Experience using PSA and ticketing systems such as ConnectWise Manage, HaloPSA, Autotask, or similar platforms.
  • Experience using RMM platforms such as NinjaOne, Datto RMM, ConnectWise Automate, Kaseya, or similar tools.
  • Experience using technical documentation platforms such as IT Glue, Hudu, or similar systems.
  • Experience working with Microsoft 365 administration tools, identity and endpoint management platforms, security tools, backup solutions, and infrastructure management technologies commonly supported within an MSP environment.
Certifications
  • Microsoft, CompTIA, cybersecurity, cloud, networking, virtualization, or other relevant industry certifications are required.
Work Environment Requirements include:
  • A quiet, professional workspace with reliable high‑speed internet, a backup plan for internet or power outages, and an environment suitable for client communication, team collaboration, and video meetings.
  • Availability to work during standard business hours (8:00 AM to 5:00 PM PST).
  • Flexibility to occasionally work outside normal business hours in response to emergency issues, planned maintenance, client‑impacting incidents, technical escalations, or operational needs.

Security & Confidentiality

This role may involve access to client systems, sensitive information, and administrative tools. Team members are expected to follow security policies, protect confidential information, and exercise sound judgment when handling client data and access.

Benefits

Benefits may include paid time off, certification reimbursement, professional development opportunities, and company‑provided tools or equipment, where applicable.

Equal Opportunity Statement

Datastream IT is an equal opportunity employer. We are committed to creating an inclusive workplace and consider all qualified candidates based on their skills, experience, qualifications, alignment with our Core Values, and overall fit for the role.

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