TS/SCI Network Infrastructure Engineer - Cisco & SDN Expert

CACI International Inc.

McLean (VA)

On-site

USD 121,000 - 266,000

Full time

14 days+

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Job summary

CACI International Inc. is seeking a Network Infrastructure Engineer to support the Luke Team, focusing on maintaining Cisco-based networks, SDN, and firewall configurations across the ODNI enterprise.

The role requires hands-on deployment, monitoring, and optimization of network operations to ensure availability for federal customers. Applicants should have TS/SCI with Polygraph, a relevant engineering degree, and experience with Cisco platforms, routing protocols, and network security best

Qualifications

Active TS/SCI with Polygraph.
Bachelor's degree in Computer Science, Engineering or similar field or equivalent experience.
Experience designing and building enterprise-level network architectures.
Experience supporting and troubleshooting production networks built with Cisco platforms.
Knowledge of TCP/IP, Routing (static, OSPF, BGP, policy-based), Firewalls (zones and ACLs), SSH, VPNs.
Familiarity with network management tools such as SolarWinds.
Understanding of IPv4 networks and network device hardening best practices.
Experience with Microsoft, Unix and Linux operating systems.

Responsibilities

Deploy, configure, maintain and monitor all active network equipment (Cisco routers, switches, firewalls).
Troubleshoot and resolve network issues and optimize performance.
Monitor and resolve network-related service tickets.
Maintain SOPs and network design documentation.
Create user accounts and manage permissions/passwords.
Perform network upgrades to maintain integrity and availability.
Support and administer third-party applications.
Ensure security and efficiency of IT infrastructure per standards.