Cyber Network Operator-TS/SCI with FS Polygraph

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

Job summary

Inferno Systems Inc. is seeking an Expert Level Cyber Network Operator in Chantilly, VA. The role focuses on proactive cyber operations, end-to-end penetration testing, and developing exploitation platforms for high-security networks.

You will mentor junior testers, collaborate with partners, and work under tight deadlines to deliver secure, actionable outcomes for complex environments.

Qualifications

• Experience with Windows servers and desktops within the last 5 years.
• Proficiency with Linux distros including CentOS, Debian, RHEL, Ubuntu.
• System administration knowledge across Windows, Unix, Linux, Mac OS, mobile OSs.
• Experience with UNIX system families (Solaris, HP-UX).
• Familiarity with MacOS and BSD-based systems.
• Scripting/automation in C++, Bash, PowerShell, Perl.
• DB familiarity with Oracle, SQL Server, MySQL.
• Wireless tech familiarity (WiFi/WiMax/Bluetooth).
• Mobile OS knowledge (Android/iOS).
• Experience with Metasploit, Netcat, BurpSuite, NMAP, Nessus or similar.
• Understanding of IDS/IPS, firewalls, proxies (iptables, Snort).
• Experience managing routers/switches and related tech.
• Understand tool capabilities and limitations.
• Knowledge of technical risk assessment and network operations.
• Experience in virtual environments (VMware, KVM).
• Knowledge of network architecture, protocols, data flows.
• Understanding of Internet basics and ISPs.
• Ability to communicate clearly, both spoken and written.
• Understanding of exploit methodologies and network scanning/vulnerability analysis.

Responsibilities

• Conduct end-to-end penetration testing and exploitation platform development.
• Mentor junior testers and support team projects under tight deadlines.
• Attack and persist in customer networks while avoiding detection in high-security environments.
• Coordinate with internal and external partners to operationalize exploits and countermeasures.

Skills

Penetration testing

Windows OS

Linux OS

Scripting/Automation

Programming (C++, Bash, PowerShell)

Databases (Oracle, SQL Server, MySQL)

Wireless tech (WiFi/WiMax/Bluetooth)

Mobile OS platforms (Android/iOS)

Network security tools (Metasploit, Ns

IDS/IPS and firewall concepts

VMware/Virtualization

Documentation and communication

Tools

Metasploit

Nmap

BurpSuite

Nessus

VMware Workstation/ESXi

Job description

CYBER NETWORK OPERATOR: Expert Level

Location: Chantilly, VA US

Security Clearance Requirement: TS/SCI with Full Scope Polygraph

Clearance Status: Must be Current

JOB DESCRIPTION:

Inferno Systems is looking for proactive and self-motivated individuals to work as a Cyber Network Operator on a highly technical team conducting remote cyber operations. You should have a minimum of 7 years of related experience, have a solid background in the Penetration Test / Attack Lifecycle and be able to pivot and exploit while avoiding detection in high-security networks. You will be responsible for all phases of network exploitation and will be able to successfully attack and persist in customer networks which include a diverse set of network hosts and devices.

You should have the ability to build out end-to-end specialized penetration testing and exploitation platforms while working closely with internal and external partners. This job requires experience working in a highly technical environment, mentoring more junior penetration testers, assisting with team projects and being able to complete tasks under a short deadline.

REQUIRED SKILLS:

• Experience working with and exploiting Microsoft Windows operating systems, all versions (Server / Desktop) within the last 5 years.
• Experience with Linux operating systems, including CentOS, Debian, RHEL, Ubuntu and others, with and without SELinux.
• Possess system administration level knowledge of operating systems (i.e.: Windows, Unix, Linux, Mac OS, Mobile OS’s, etc.)
• Experience with UNIX (Solaris, HP-UX, etc.) operating systems
• Experience with BSD-based operating systems, including MacOS
• Hands-on experience with common scripting / programming languages to automate tasks and/or parse data such as C++, Bash, Perl, PowerShell and Perl
• Familiarity with / understanding of database administration and application development, including Oracle, SQL Server, and/or MySQL.
• Familiarity with wireless (WiFi/WiMax/Bluetooth) technology (hardware or core software).
• Familiarity with mobile phone operating systems (Android / iOS).
• Experience working with network security tools such as Metasploit, Netcat, BurpSuite, NMAP, Nessus or similar.
• Understanding / use of network IDS/IPS technologies such as firewalls, proxies, ipchains, iptables, Snort, and related technologies.
• Experience managing and installing network technologies such as routers, switches, database servers and related technologies.
• Understanding functionality and limits of available tools and techniques.
• Understanding of technical risk assessment.
• Understanding of various types of computer operations.
• Experience operating in virtual environments such as VMware Workstation / ESXi / vSphere and/or KVM virtual machines
• Understanding network architecture, protocols and data flows.
• Understanding the basic Internet functionality, ISPs, and network traffic.
• Understanding the basic authorities governing computer operations.
• Ability to convey information in a clear and concise manner, both verbally and in writing.
• Understanding of fundamental technical network analysis.
• Understanding of current US laws and regulations governing the Internet.
• Motivated self-starter with an analytical focus, problem solving skills, time management skills, and a passion for computer, network, or cyber security.
• Understanding of Exploit methodology, processes and development.
• Understanding of network scanning and vulnerability analysis/assessment

DESIRED SKILLS:

• Experience in a role as a computer network operator, possessing extensive penetration testing skills/experience to conduct vulnerability assessments leading to approved operational plans.
• Experience working with orchestration tools such as Packer / Vagrant, Ansible, Puppet, Salt and/or Terraform or similar
• C / C++ or Java software development.
• Proficient with installation, management, and have development knowledge of technologies such as Apache or ISS web servers, web development (Perl, Java, XML/XSL).
• Leverage previous military or IC computer network exploitation training to analyze attacks against networks and develop countermeasures.
• Technical certifications in penetration testing or cyber security such as SANS GIAC certifications (GPEN, GXPN, GCIH, GWAPT, GCFA, etc), Offensive Security (OSCP), Certified Ethical Hacker (CEH)
• General technical certifications such as CompTIA Network+, Security+, Linux+