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L3 Communications Jobs (NOW HIRING)

... communication skills and interpersonal skills are essential, as well as the ability to work well in a global-team environment. • The individual should have strong organizational skills and the ...

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L3 Communications information

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$117.5K

How much do l3 communications jobs pay per year?

As of Jul 3, 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 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.

Is L3 a good company?

L3 Technologies, now part of L3Harris Technologies, is a defense contractor known for aerospace and communication systems. Employees often cite competitive pay, benefits, and a focus on technical skills, though experiences can vary by role and location.

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 secure communication networks, surveillance systems, and aerospace technology, requiring technical skills and security clearances.

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

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 is the highest paying communications job?

In the communications field, senior roles such as Communications Director or Chief Communications Officer typically have the highest salaries, often exceeding six figures. These positions require extensive experience, strategic planning skills, and often a background in public relations, media, or corporate communications.

Does L3Harris offer remote work?

L3Harris offers some remote work opportunities for certain roles, particularly in engineering, IT, and administrative positions. However, many jobs require on-site presence due to security, operational, or technical requirements. Candidates should review specific job postings for remote work options and requirements.

What is L3 Communications and what do they do?

L3 Communications, now known as L3Harris Technologies after merging with Harris Corporation, is a leading defense contractor specializing in communication systems and electronic equipment. The company provides products and services for aerospace, defense, and security markets worldwide, including secure communications, surveillance, and intelligence solutions. L3's work supports military, government, and commercial customers, contributing to mission-critical operations and national security.

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.

More about L3 Communications jobs
What cities are hiring for L3 Communications jobs? Cities with the most L3 Communications job openings:
What states have the most L3 Communications jobs? States with the most job openings for L3 Communications jobs include:
Infographic showing various L3 Communications job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $100,501 per year, or $48.3 per hour.

L3 Infrastructure Engineer

Tata Consultancy Service Limited

San Antonio, TX • On-site

$70K - $80K/yr

Full-time

Medical, Dental, Vision

Posted 27 days ago


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 ven dor management for issue escalation/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 (SMEs)
• 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 bachelors degree in computer information systems, Computer Science or related field
• TMMBC English 50%-100% Competence
Nice To Have
• Experience and/or knowledge of PLCs a plus.
• Plant Monitoring software knowledge (Active Plant, Wonderware, Ignition)
• Knowledge of iGear, Kepware, or other machine data gathering tools
• SQL Server database administration (backups, 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 to $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: Mater