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# Cyber Network Security Engineer

- **Company:** CACI International Inc.
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Salary:** $94,400.0 - $198,200.0
- **Contract:** Permanent contract
- **Skills:** Software System Penetration Testing, Bash Shell, Ubuntu (Operating System), CentOS, Cyber Security, Databases, Database Queries, Linux, Perl (Programming Language), Networking Hardware, Network Packet, Python (Programming Language), Network Security, MySQL, Network Architecture, Network Monitoring, Nmap, Oracle (Applications), Solaris (Operating System), Tcpdump, Traffic Analysis, Wireshark, VMware Infrastructure, VMware VSphere, Network Routers, Scripting, Metasploit, Data Analytics, Fedora
- **Published:** May 31, 2026
- **Apply:** https://www.juju.com/job/00000000g3ylar

## About the Role

+ Approximately seven years of experience as an infrastructure operator

 + Proficiency working in a Linux environment - Centos, Ubuntu, Fedora, Solaris, Backtrack

 + Database experience, to include writing complex queries and modifying schemas (e.g. Oracle, MySQL).

 + Experience in a cyber-security role

 + Experience configuring network devices (e.g. routers, switches, etc.).

 + Experience performing network packet inspection, traffic analysis, performance characterization (e.g. Wireshark, TCPdump, etc.).

 + Understanding of network/cyber security, penetration testing, and information security best practices

 + Understanding of Linux network security tools - (e.g. Metasploit, netcat, nmap, etc.).

 + Experience building virtual infrastructure - (e.g. vSphere).

 + Experience using scripting languages for automation, parsing data sets, and network monitoring (e.g. bash, Perl, Python, etc.).

 + Experience in either the design, implementation, procurement and maintenance of network infrastructure

 + Active TS/SCI with required polygraph

## Description

+ Work closely with red-team experts to evaluate IT environments and identify security goals, vulnerabilities, objectives, and requirements

 + Perform cybersecurity operations testing, and develop improvements to doing so, based on real adversary behavior described in adversary emulation plans

 + Evaluate the efficacy of existing detection mechanisms, analytics, and mitigations

 + Identify gaps in visibility, data, tools, and process

 + Address gaps within defenses by improving systems and processes

 + Develop approaches to automating cybersecurity operations, reducing cost and increasing efficiency

 + Solve cyber problems through operations, data-driven analytics, and development

 + Leverage research, frameworks, and best practices to improve the defensive posture of our sponsors


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