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L3 Communications Jobs (NOW HIRING)

Wipro Limited

DEVELOPER L3(CONTRACT)

Orlando, WV · On-site

DEVELOPER L3(CONTRACT) City: Orlando State/Province: Florida Posting Start Date: 8/28/26 Wipro ... Communicate progress, challenges, and technical details clearly and effectively to stakeholders ...

MSR Cosmos

Network Engineer L3 / L4

Avon Lake, OH · On-site

Network Engineer with L3 L4 Location: Avon Lake, OH-44012-Onsite Duration: Long Term Loking for 15 ... Strong documentation design and stakeholder communication skills * Ability to work independently ...

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L3 Communications information

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$29.5K

$100.5K

$117.5K

How much do l3 communications jobs pay per year?

As of Sep 7, 2026, the average yearly pay for l3 communications in the United States is $100,501.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $116,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an L3 Communications engineer?

To thrive as an L3 Communications Engineer, you need deep expertise in networking protocols, system integration, and telecommunications, typically backed by a degree in engineering or computer science. Familiarity with industry-standard tools such as Cisco routers and switches, network monitoring systems, and certifications like CCNP or equivalent are highly valued. Strong problem-solving capabilities, attention to detail, and effective teamwork are crucial soft skills in this role. These skills ensure reliable network performance, secure communications, and successful collaboration on complex technical projects.

What types of projects might I work on as an engineer at L3 Communications, and how is project work typically structured?

As an engineer at L3 Communications, you can expect to work on a variety of advanced technology projects, such as communications systems, electronic warfare solutions, or avionics. Projects are typically multidisciplinary and involve collaboration with cross-functional teams, including systems engineering, software development, and program management. Most work is structured around clear project milestones and deliverables, with regular team meetings to discuss progress and resolve challenges. This environment offers opportunities to develop technical expertise and leadership skills, often allowing employees to take on increasing responsibility as they gain experience.

What is the difference between L3 Communications vs L3 Communications?

AspectL3 Communications

Since the comparison is with itself, the differences are minimal. Typically, L3 Communications is a defense contractor specializing in communication and sensor systems, requiring security clearances, engineering credentials, and experience in military or aerospace environments. It operates mainly within the defense and government sectors, employing engineers, technicians, and project managers. The role involves working on complex communication systems, often in secure facilities or on-site at government agencies.

What are L3 Communications jobs?

L3 Communications jobs typically involve roles in defense, aerospace, and security sectors, including engineering, manufacturing, technical support, and cybersecurity. Employees often work with advanced technology, military systems, and communication equipment, requiring relevant skills and security clearances. These positions may require specialized training or certifications depending on the role.

What does L3 Communications do?

L3 Communications, now part of L3Harris Technologies, is a defense contractor that designs and manufactures communication, electronic, and sensor systems for military and government applications. Employees in related roles often work on developing, testing, and maintaining advanced technology systems using specialized tools and security clearances.
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What states have the most L3 Communications jobs?

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L3 Communications jobs near you
Infographic showing various L3 Communications job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 87% Full Time, 9% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $100,501 per year, or $48.3 per hour.

L3 Infrastructure Engineer

Tata Consultancy Services

Southaven, MS • On-site

$98K - $128K/yr

Other

Medical, Dental, Vision

Posted 18 days ago

Key responsibilities

  • Troubleshoot, configure, and repair server, network, and infrastructure issues, including Data Center, email, and file shares.

  • Provide customer support by researching, diagnosing, troubleshooting, and resolving technical incidents that cannot be handled by Tier 1 support.

  • Troubleshoot and administer network components such as Cisco Layer 2 & Layer 3 routing, wireless networks, and support network infrastructure planning and design.

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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