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.

Skills

Cisco networking
Troubleshooting
Teamwork
Attention to detail
Network security

Education

Bachelor's degree in CS/Engineering
CCNP (preferred)

Tools

SolarWinds
Ansible
Python
VMware
AWS/Azure/Google Cloud

Job description

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

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