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L3 Engineer Jobs (NOW HIRING)

$90 - $130/hr

Collaborate with the L3 engineer on complex issues - providing business context and ensuring complete handoff documentation * Own the resolution feedback loop: confirm fixes are communicated to ...

IA · On-site

$101K - $139K/yr

Senior Network Engineering L3+ * Datacenter Deployment & Operations * Cisco C9200 / C9300X | IOS-XE * Palo Alto PA5500 | Panorama | PAN-OS * Routing, Switching, TCP/IP, IPv4/IPv6 * STP / RSTP / MSTP

IA · On-site

$101K - $139K/yr

CCNP - Mandatory / Strongly Preferred KEY SKILLS Senior Network Engineering - L3+ Datacenter Deployment & Operations Cisco C9200 / C9300X | IOS-XE Palo Alto PA5500 | Panorama | PAN-OS Routing ...

Customer Care (L3)- Medical Imaging

Newton, MA · Remote

$17.25 - $21.50/hr

... L3 Engineer to join our Implementation and Customer Care team. Don't miss out on this great ... As a developer of technologies that help manage millions of medical images every year, PaxeraHealth ...

Network Engineer with L3 L4 Location: Avon Lake, OH-44012-Onsite Duration: Long Term Loking for 15+ years of experience. L3L4 Mandatory Mandatory Skills * SD‑WAN (VeloCloud) * Palo Alto firewall ...

We are looking for a talented and experienced User Equipment (UE) L2/L3 Developer to join our dynamic team at US20 - Nokia of America Corp. In this role, you will play a crucial part in developing ...

... Engineer to join our IT Team based in Mobile, AL; Grand Prairie, TX; or Wichita, KS. In this role ... Manage any incident, problem or request which require a L3 support * Work pro-actively on proposing ...

Showing results 41-60

L3 Engineer information

See salary details

$39K

$101.8K

$137.5K

How much do l3 engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for l3 engineer in the United States is $101,752.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What is an L3 engineer?

L3 Engineers, or Level 3 Engineers, are highly skilled technical professionals who provide expert support for complex IT systems and infrastructure. They are the final escalation point for technical issues that cannot be resolved by Level 1 (L1) or Level 2 (L2) support teams. L3 Engineers typically handle advanced troubleshooting, root cause analysis, and the implementation of solutions for critical problems. They may also be involved in designing, configuring, and maintaining systems, ensuring reliability and performance. Their expertise is crucial for resolving high-impact incidents and preventing future issues.

What types of technical issues or projects does an L3 engineer typically handle compared to L1 and L2 support roles?

L3 Engineers are responsible for resolving the most complex technical issues that cannot be addressed by L1 (first-line) or L2 (second-line) support teams. They often work on advanced troubleshooting, root cause analysis, and implementing permanent fixes for recurring problems. Additionally, L3 Engineers may lead critical infrastructure projects, develop automation scripts, and collaborate closely with development or architecture teams to improve system reliability. Their role often involves a mix of incident management, proactive system enhancements, and knowledge sharing with junior engineers.

What are the key skills and qualifications needed to thrive as an L3 engineer, and why are they important?

To thrive as an L3 Engineer, you need advanced expertise in troubleshooting, system administration, and deep technical knowledge of network and server infrastructure, often backed by a relevant degree and certifications like CCNP or MCSE. Familiarity with enterprise monitoring tools, ticketing systems, virtualization platforms, and scripting languages is typically required. Strong analytical thinking, effective communication, and the ability to work under pressure are valuable soft skills for this role. These competencies ensure timely and effective resolution of complex issues, minimizing downtime and maintaining seamless IT operations.

What is the difference between L3 Engineer vs Network Engineer?

AspectL3 EngineerNetwork Engineer
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise networks, telecomsCorporate offices, data centers, service providers
ResponsibilitiesNetwork troubleshooting, configuration, supportDesign, implement, maintain network infrastructure
Industry UsageIT, telecommunications, enterpriseIT, telecommunications, service providers

Both L3 Engineers and Network Engineers often hold similar certifications and work in comparable environments. While L3 Engineers focus on advanced troubleshooting and support within IT infrastructure, Network Engineers typically design and implement network systems. The roles overlap in skills and industry usage, but L3 Engineers tend to handle escalated issues, whereas Network Engineers focus on network planning and deployment.

More about L3 Engineer jobs

What states have the most L3 Engineer jobs?

States with the most job openings for L3 Engineer jobs include:

Infographic showing various L3 Engineer job openings in the United States as of August 2026, with employment types broken down into 48% Full Time, 5% Part Time, 44% Contract, and 3% Nights. Highlights an 82% In-person, 3% Hybrid, and 15% Remote job distribution, with an average salary of $101,752 per year, or $48.9 per hour.

L3 Infrastructure Engineer

Tata Consultancy Services

Gulfport, MS • On-site

$107K - $140K/yr

Other

Medical, Dental, Vision

Posted 16 days ago


Tata Consultancy Services rating

6.5

Company rating: 6.5 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

176th of 226 rated it services


Job description

Role - L3 Infrastructure Engineer

Location - Blue Springs, MS

Type of hire - Full Time


Job Description

Must Have Technical/Functional Skills

• Tier 3 (L3) IT Infrastructure engineers comprise a technical team that deals with technical problems. Troubleshooting, configuration, database administration, and repair for server, network, infrastructure, Data Center, email, file shares, and other infrastructure issues. Besides always having the ability to deploy solutions to new problems, Level 3 tech usually has the most expertise in a company and is the go-to person for solving difficult issues


• With years of experience, the L3 experts can manage and resolve almost any problem that requires high expertise. They can also control the infrastructure, cloud, network, and DC level operations. All the high-end administration tasks are secure in their hands, and it is advisable to have at least an L3 level technician as a team leader in every operation. These engineers use requirements and aim to replicate problems to detect the root cause. They have access to the highest technological support for fixing issues or developing new features. Their team mainly consists of chief engineers who designed the product or service


• Responsible for providing support to customers by researching, diagnosing, troubleshooting issues, and resolving incidents that cannot be resolved by Tier 1 (L1) and providing support for software and hardware technical problems. This role is customer-facing and requires excellent verbal and written communication skills as well as the ability to work under pressure when customers are experiencing critical incidents. Handles the tickets routed by L1 support or can they produce tickets for any issue they observe


• Plays a key role as the front-line interface between our customer and the Product & Engineering team and operates as a second level of support after basic user-level Remote Support (L1). Their primary responsibility is to provide customer support by resolving technical support incidents or service requests in accordance with applicable service level agreements

Roles & Responsibilities


Network (LAN, WAN and Wireless)

• Troubleshooting & admin of Cisco Layer 2 & Layer 3 Routing, Cisco Wireless Networks, Cisco PBX Administration, Cisco standard protocols and Cisco CCNA certification

• Ability to support IT Cabling, Infrastructure Planning, and Design. Examples of scope work (cable patching, switch config/deploy, port enable/disable, analyze network traffic)

• TCP/IP, DHCP, Subnetting, VLAN, POE

• Experience with packet capturing example: Wire Shark

• Network maintenance, support and refresh

• Smart Hands for remote teams & 3rd party vendor management for issue escalation/resolution


Data Center (Server Room) Management

• Site infrastructure knowledge (Power/UPS, HVAC, cabling, etc.)

• Experience installing and troubleshooting server room hardware components, such as Rack Servers, Fiber, switches, disk drives, memory, etc.

• Smart Hands for remote teams & 3rd party vendor management for issue e scalation/resolution


Server Management

• Must have experience in administering windows server operating systems e.g. Windows Server 2016, monitoring, troubleshooting, parts swaps/repair

• DHCP, DNS, Print Server, File Shares, Microsoft SCCM

• Smart Hands for remote teams & 3rd party vendor management for issue escalation/resolution

• Working knowledge/experience supporting Hardware for servers, data backup libraries and SAN/NAS

• Server, storage and backup systems maintenance, support and refresh: Rackmount, install and configure server hardware

• Knowledge of Server 2012/2016 Policy and Security Management


Critical plant floor hardware support

• Examples of work include items like MFG support (GALC, AER creation, PTCS, etc.)

• ANDON and PLC (Programmable Logical Controls) support knowledge

• First level of support Business and Plant Floor applications, managing escalation of issues to the Subject Matter Experts (SME’s)

• Excellent troubleshooting (critical thinking), problem solving & root cause analysis skills for Outage & Problem Management

• Exceptional customer service and ability to work well under pressure e.g. plant down situation, outages, critical plant floor equipment require a 15-minute turnaround time

• On-call 24x7 availability during non-work hours and ability to work flexible hours and overtime


Others Must Have Attributes for Level 3

• Ability to lift 50 lbs. and be able to climb ladders and staircases to access IT equipment

• Ready to travel to other Toyota sites/locations within the US to support on a short basis.

• Strong team worker with professional demeanor and strong ethics

• Good written and oral communication skills are required

• Experience with remote control tools and remote support (off-site)

• Ongoing support of various Manufacturing computer systems

• Windows Active Directory: Maintenance kiosks, OU configuration, Group Policy Objects

• Change Management process

• Associate or bachelor’s degree in computer information systems, Computer Science or related field

• TMMBC English 50%-100% Competence


Nice To Have

• Experience and/or knowledge of PLC’s a plus.

• Plant Monitoring software knowledge (Active Plant, Wonderware, Ignition)

• Knowledge of iGear, Kepware, or other machine data gathering tools

• SQL Server database administration (backup s, security, monitoring, etc.)

• Manage storage and backup systems

• Previous experience supporting a large corporate, manufacturing environment

• Experience supporting and troubleshooting Business and Mission Critical applications

• 3 to 5 years of experience performing Level 3 responsibilities

• Knowledge of Cisco Voice over IP hardware/software/server operation/configuration

• Provide technical assistance and support, and resolve problems related to the use of computer hardware and software Analyze, resolve, respond to, and document end user inquiries.

• Install desktop/Laptop, printers/scanners, and other peripheral software using approved tools.

• Troubleshoot Operating System issue. Connection issues with LAN/WAN.

• Update tickets with accurate and timely records of work performed, and resolution details

• Maintain and contribute to a knowledge base.

• Coordinate hardware warranty repair.

• Perform inventory management activities as required in coordination with asset management and other corporate groups.

• Escalate to 3rd party vendors when necessary

• Responsible for raising and coordinating problem management issues

• Perform additional tasks (end user/infra related) when required Strong understanding and skills in SLA, KPI Management.

• Provide technical support stationed at the site who can quickly respond to problems that may arise within data center/computer/server rooms which need physical handling.

• In contrast to certified technicians, they are not necessarily trained nor duly recognized to specialize in specific technology.

• Can handle all tasks related to the infrastructure equipment based on instructions provided by a remote technical assistance team that specializes in different products and categories.

• Receives instructions from certified technicians and project managers to troubleshoot advanced issues.

• Provide on-site, operational support service for remote management, installation and troubleshooting of data center equipment.

• Primary responsibility to manage End User related incidents and requests.

• Go to person for all plant IT related requests (Password resets, access etc. specific to plants).


Base Salary Range: $70,000 - $80,000 per annum


TCS Employee Benefits Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

Family Support: Maternal & Parental Leaves.

Insurance Options: Auto & Home Insurance, Identity Theft Protection.


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