CACI International Sr. Network Engineer in Linthicum, Maryland

Job Description

CACI is in search of a Sr. Network Engineer within the Defense Cyber Crime Center (DC3). The successful candidate will be a consultant for systems problems and solutions beyond the knowledge of technical tier one and tier two support staff.

In this role you will be responsible for:

  • The installation and administration of Cisco switches and routers,

  • Palo Alto firewalls and network management tools supporting the DC3 networks on different domain classifications of Department of Defense.

  • Troubleshooting, installations, maintenance, conversion, cutovers and sustainment of IT components. Maintain, support, and troubleshoot several classified and unclassified networks to include: NIPRNET, SIPRNET, JWICS, and other networks as required.

  • Creates, maintains, and implements detailed documentation and maintains standard operating procedures.


  • Demonstrated Network Engineering experience, including understanding of LAN/WAN operations and TCP/IP concepts

  • Experience with Cisco switches and routers

  • Managing Access Control Lists (ACLs)

  • Managing Port Security

  • Experience with Palo Alto firewalls.

  • Monitoring firewall traffic and configuring rule sets

  • Experience configuring and managing VLANs

  • Experience with IAVA, security checklists

  • STIG reviews and implementation

  • DoD 8570 Certification (Security + cert)

  • Secret Clearance with TS SCI eligibility

Desired Skills:

  • Working knowledge of the VPN and the Internet Protocol

  • Security (IPsec) that enables VPNs

  • Experience with IAVA, security checklists

  • CCNA or CCNP

  • Experience with tools supporting the network infrastructure such as SolarWinds

  • Current Top-Secret Clearance with SCI eligibility

  • Experience with Quality of Service (QOS) Functions

  • Demonstrated excellent written and oral communication skills

  • VOIP

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.

  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

  • We offer competitive benefits and learning and development opportunities.

  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Job Location


CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.