Senior Network Security Engineer – Offensive & Defensive

Inferno Systems Inc.; Chantilly (VA); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Inferno Systems Inc. in Chantilly, VA seeks an Expert Level Network Security Engineer with TS/SCI clearance and Full Scope Polygraph. You will blend network defense with offensive security, supporting covert networks and vulnerability analysis on edge devices.

Responsibilities include assisting testers, analyzing logs, and expanding both offensive and defensive cyber capabilities using Kali, Metasploit and related tools.

Qualifications

• Minimum 7+ years as a Network Engineer, System Engineer or in Cyber Security with hands-on testing.
• Experience in network defense, penetration testing and network forensics.
• Familiarity with edge network devices, vulnerability analysis and exploitation.

Responsibilities

• Assist Penetration Testers with analysis of edge network devices and vulnerabilities.
• Design and develop integrated network solutions using Linux and appliances.
• Monitor networks, perform traffic analysis and incident response activities.
• Support covert and secure networks leveraging offensive and defensive skills.

Skills

Linux proficiency

Network engineering

Penetration testing

Security fundamentals

Scripting (Python/Bash)

Vulnerability analysis

Network monitoring

Virtual infrastructure

Information security practices

Incident response

Tools

Kali Linux

Metasploit

Nmap

Burp Suite

Wireshark

tcpdump

iptables

vSphere

Job description

Inferno Systems Inc. in Chantilly, VA seeks an Expert Level Network Security Engineer with TS/SCI clearance and Full Scope Polygraph. You will blend network defense with offensive security, supporting covert networks and vulnerability analysis on edge devices.

Responsibilities include assisting testers, analyzing logs, and expanding both offensive and defensive cyber capabilities using Kali, Metasploit and related tools.