Network Engineer Tier 3
Company: caci
Location: El Segundo
Posted on: January 4, 2026
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Job Description:
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular Percentage of Travel Required: Up to 10%
Type of Travel: Local Anticipated Posting End: There is not an
anticipated end date for this posting since applications are needed
on an ongoing basis. Opportunity: Team CACI is seeking a Senior
Network Engineer to support an Intelligence Community customers
diverse network infrastructure, including CAN, LAN, CORE, and WAN
network. The role involves designing, implementing,
troubleshooting, and maintaining complex IT networks, encompassing
daily operations, monitoring, and problem resolution for all
network architecture and devices. The successful candidate will be
responsible for providing high-level technical expertise and
leadership to junior network engineers. Develop and implement
network support processes for CAN/LAN/WAN, ensuring compliance with
relevant standards. Design, analyze, and maintain complex IT
networks, from requirements gathering to installation and
troubleshooting. Evaluate network performance, consult on
improvements, and make technology recommendations to senior
management. Experience with large-scale enterprise networks in a
fast-paced environment is essential. Responsibilities : •
Troubleshoot complex network issues and provide timely resolutions
• Provide problem identification, diagnosis, troubleshooting, and
resolution of incidents and problems. • Provide support for the
escalation and communication of status to the company management
and customer. • Provide support for the dispatch system and
hardware problems and remains involved in the resolution process •
Isolate and resolve of hardware and software problems involving the
applications, the operating system, the hardware, the
communications infrastructure, or any combination thereof •
Troubleshoot, maintain integrity and configure network components
along with implementing operating systems enhancements to improve
reliability and performance • Integrate new technologies into new
and existing systems including the transition and migration of
corporate systems. • Supports hardware infrastructure site surveys,
planning, and design. • Provide transition planning and support
services that accelerate delivery timelines, reduce operational
risk and ensure service continuity during transition. • Provide
transition planning and support for the migration of existing
services between environments, migration of users from existing
service platforms to new service offerings and transition of
services into operations • Maintain documentation for network
configurations, procedures, and incidents to ensure compliance with
best practices and industry standards. • Works individually and
actively participates on integrated teams • Understands and applies
more advanced concepts and processes to daily activities. • Assists
Lead Services Engineers in implementing their activities. • Can
perform all tasks of lower-level technicians or specialists.
Qualifications : • Bachelors degree in Computer Science,
Information Technology, or equivalent work experience • 10 years of
related work experience • TS/SCI w/ poly is required • Advanced
knowledge of networking protocols (TCP/IP, OSPF, BGP, MPLS, etc.) •
Expertise in configuring and managing enterprise-level network
equipment (Cisco, Juniper, etc.) • Strong understanding of network
security principles and best practices • Proficiency in network
monitoring and analysis tools • Excellent problem-solving and
analytical skills • Strong communication and leadership abilities
Desired: • Certifications such as JNCIA, JNCIP, CCNA, CCNP, or
similar are highly preferred • Familiarity with ITIL framework and
service management best practices
Keywords: caci, Pico Rivera , Network Engineer Tier 3, IT / Software / Systems , El Segundo, California
