CAN/LAN Network Tier 3

CACI; Sterling (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI in Sterling, VA is seeking a CAN/LAN Network Tier 3 to support design, implementation, troubleshooting and maintenance of IT networks across day-to-day operations and projects.

This role requires TS/SCI with Poly, 10+ years of experience, DoD 8140.01/8570.01-M, CCNP/CCIE preferred, and travel up to 10% to CONUS sites. You will mentor junior engineers and ensure network performance and security.

Qualifications

• Bachelor's degree required; 10+ years of related work experience.
• TS/SCI with Poly required.
• DoD 8140.01 and 8570.01-M, IAT II required.
• Certifications such as CCNP/CCIE highly preferred.
• Experience with large‑scale enterprise/global networks.

Responsibilities

• Design, configure, and optimize CAN/LAN network architectures for high availability.
• Provide Tier 3 support for CAN/LAN infrastructure and troubleshoot complex issues.
• Respond to escalated tickets with timely, transparent communication.
• Analyze network performance and mitigate latency and bandwidth bottlenecks.
• Maintain network documentation and mentor junior engineers.
• Support deployable networks and travel to CONUS sites as needed.

Skills

Routing & Switching

TCP/IP

CCNP/CCIE or equivalent

TS/SCI with Poly

Network Troubleshooting

Education

Bachelor's degree in Computer Science, Information Technology, or equivalent

Tools

Networking Hardware (Routers, Switches)

Job description

Job Title: CAN/LAN Network Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *

The Opportunity

CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting and maintenance of IT networks. This position will provide support for IT networks including day-to-day operations, monitoring and problem resolution for all the network architecture and devices.

You will provide support for CAN/LAN services by developing network support processes, procedures and guidelines for troubleshooting network events and performing sustaining tasks. This role designs and maintains network environments to comply with relevant Government standards and evaluates, consults and makes technology recommendations to senior management.

This position requires experience in complex networking applications involving all phases of network design, implementation, and analysis. Performs research, requirements analysis, design, installation, troubleshooting, and support of local and wide-area network hardware, software and applications. You will need to have experience with large-scale enterprise/global networks in a high paced diverse environment.

Responsibilities

• Design, configure, and optimize CAN/LAN network architectures, ensuring high availability, scalability, and performance.
• Provide Tier 3 technical support for CAN/LAN infrastructure, including troubleshooting, configuration, and resolution of complex network issues.
• Respond to escalated service tickets and resolve issues in a timely manner, ensuring minimal disruption to operations and transparent communication with customers and stakeholders.
• Analyze and resolve network performance issues such as latency, bandwidth bottlenecks, and packet loss.
• Troubleshoot, maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance
• Supports hardware infrastructure site surveys, planning, design, and installation of equipment and cabling to support projects and standard service requests.
• Provide transition planning and support services that accelerate delivery timelines, reduce operational risk and ensure service continuity during transition including migration of users from existing service platforms to new service offerings and transition of services into operations
• Work independently and as part of integrated teams and apply advanced concepts and processes to daily activities.
• Maintain documentation for network configurations, procedures, and incidents to ensure compliance with best practices and industry standards.
• Provide mentoring and knowledge transfer to junior network engineers and technicians.
• Stay updated on emerging network technologies, trends, and security threats to continuously improve network infrastructure.
• Provide afterhours call in support for CAN/LAN services.
• Support deployable networks for multiple mission partners to include travel to CONUS sites for deployments, installations, and maintenance

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or equivalent work experience
• 10+ years of related work experience
• TS/SCI with Poly required
• DoD 8140.01 and 8570.01-M, IAT II required
• Strong expertise in routing and switching protocols (e.g., OSPF, BGP, VLAN, Spanning Tree Protocol, etc.).
• Advanced knowledge of network protocols, TCP/IP, and related technologies.
• In-depth knowledge of network hardware (routers, switches).
• Certifications such as CCNP, CCIE, or similar are highly preferred.

Desired

• Experience with SD-WAN, Zero Trust, or similar technologies.
• Knowledge and hands-on experience of LAN design and benchmarking software
• Strong problem-solving abilities and attention to detail.

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

What You Can Expect

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$120,800 - $265,800

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.