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Full Time L3 Support Engineer Jobs (NOW HIRING)

Reliance One

L3 Support Engineer

Buffalo, WV

$25 - $29/hr

L3 Support Engineer Buffalo, West Virginia, United States On-site $25-$29/hour Contract Opportunity Benefits begin on day 1 including medical, dental, vision insurance, 401(k), paid time off, and ...

Tintri

Senior Engineer - L3 Support Engineer

The L3 Support Engineer for VMstore products serves as the highest level of technical escalation between Customer Support and Engineering. This role is responsible for diagnosing, resolving, and ...

New

Data Direct Networks

The L3 Support Engineer for VMstore products serves as the highest level of technical escalation ... FULL_TIME

Tintri

The L3 Support Engineer for VMstore products serves as the highest level of technical escalation ... Employment Type: FULL_TIME

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How much do full time l3 support engineer jobs pay per hour?

As of May 29, 2026, the average hourly pay for full time l3 support engineer in the United States is $39.87, according to ZipRecruiter salary data. Most workers in this role earn between $29.57 and $46.63 per hour, depending on experience, location, and employer.

What is an L4 support engineer?

An L4 support engineer is a senior technical support role responsible for handling complex issues that cannot be resolved by lower support levels. They often work on advanced troubleshooting, root cause analysis, and may collaborate with development teams, requiring deep technical knowledge and experience with tools like ticketing systems and diagnostic software.

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

AspectFull Time L3 Support EngineerNetwork Support Engineer
CredentialsTypically requires certifications like CompTIA Network+, Cisco CCNAOften requires similar certifications such as Cisco CCNA, CompTIA Network+
Work EnvironmentProvides advanced technical support within IT teams, troubleshooting complex issuesFocuses on network infrastructure, troubleshooting network hardware and connectivity
Industry UsageUsed across various industries including IT, telecom, and enterprise sectorsPrimarily in networking, telecom, and data center environments

The Full Time L3 Support Engineer and Network Support Engineer roles share similar certifications and work environments, but the L3 Support Engineer handles broader technical issues across systems and applications, while the Network Support Engineer specializes in network infrastructure and connectivity.

More about Full Time L3 Support Engineer jobs
What cities are hiring for Full Time L3 Support Engineer jobs? Cities with the most Full Time L3 Support Engineer job openings:
What are the most commonly searched types of L3 Support Engineer jobs? The most popular types of L3 Support Engineer jobs are:
What job categories do people searching Full Time L3 Support Engineer jobs look for? The top searched job categories for Full Time L3 Support Engineer jobs are:
Full Time L3 Support Engineer jobs near you
Infographic showing various Full Time L3 Support Engineer job openings in the United States as of May 2026, with employment types broken down into 3% As Needed, 23% Full Time, 71% Part Time, and 3% Contract. Highlights an 25% Physical, and 75% Hybrid job distribution, with an average salary of $82,930 per year, or $39.9 per hour.
L3 Support Engineer

L3 Support Engineer

Reliance One

Buffalo, WV

$25 - $29/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 7 days ago

Job description

L3 Support Engineer

Buffalo, West Virginia, United States

On-site

$25-$29/hour

Contract Opportunity

Benefits begin on day 1 including medical, dental, vision insurance, 401(k), paid time off, and paid holidays


We are hiring for one of our trusted clients seeking an experienced L3 Support Engineer to support complex IT infrastructure environments in a fast-paced manufacturing setting. This role is ideal for someone with strong technical troubleshooting experience, excellent customer service skills, and the ability to support critical infrastructure and plant floor systems.


Key Responsibilities:

  • Provide Level 3 technical support for infrastructure, server, network, and plant floor systems
  • Troubleshoot and resolve escalated incidents that cannot be resolved by Tier 1 support
  • Support Cisco Layer 2 and Layer 3 routing, wireless networks, and PBX administration
  • Perform network troubleshooting including TCP/IP, DHCP, VLANs, subnetting, and POE
  • Support IT cabling, switch configuration, infrastructure planning, and network traffic analysis
  • Utilize packet capture tools such as Wireshark for diagnostics and troubleshooting
  • Manage and support server room infrastructure including power, HVAC, fiber, switches, servers, and storage equipment
  • Administer Windows Server environments including DNS, DHCP, print servers, SCCM, and file shares
  • Support server, storage, SAN/NAS, and backup system maintenance and refresh activities
  • Provide technical support for plant floor systems including ANDON, PLC-related systems, GALC, PTCS, and manufacturing applications
  • Coordinate with remote teams and third-party vendors for issue escalation and resolution
  • Provide conference room, break/fix, and site support as needed
  • Respond to critical outages and plant floor emergencies with urgency and professionalism


Qualifications:

  • 3–5 years of experience performing Level 3 IT support responsibilities
  • Strong Cisco networking experience required
  • Experience with TCP/IP, DHCP, subnetting, VLANs, and POE
  • Experience supporting Windows Server environments
  • Knowledge of data center/server room infrastructure and hardware support
  • Strong troubleshooting, root cause analysis, and critical thinking skills
  • Ability to work in high-pressure environments and support critical plant operations
  • Excellent communication and customer service skills
  • Project management experience within IT environments preferred
  • Flexibility to support on-call responsibilities and overtime as needed


This is a great opportunity to join a collaborative technical team supporting advanced manufacturing operations and critical infrastructure systems. Let’s connect!


Equal Employment Opportunity Commission (EEOC) Statement

Reliance One, Inc. is an Equal Opportunity Employer. We provide equal employment opportunities to all employees and applicants and prohibit discrimination and harassment of any kind, without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local laws.