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Network Security Engineer-TS/SCI with Full Scope Poly

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Onsite

Network Security Engineer-TS/SCI with Full Scope Poly

Inferno Systems, Inc.

Network Security Engineer-TS/SCI with Full Scope Poly

Skills

PythonSplunkBurp SuiteCybersecurityAnsibleLinux

1 month ago

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Important information


Contract type:

Permanent, Temporary

Salary:

$150,000 – $275,000 / year

Location:

Chantilly, VA, USA

Work mode:

Onsite

Published on:

10 September 2026

What they need


NETWORK SECURITY ENGINEER: Expert Level
Location: Chantilly, VA US
Security Clearance Requirement: TS/SCI with Full Scope Polygraph
Clearance Status: Must be Current

JOB DESCRIPTION:
If you are looking for a position that is different from your normal network / cyber security position, please keep reading. We are looking for Network Security Engineers who are familiar with both network defense and offensive techniques to support ongoing operations and secure our customers' networks. You will be assisting Penetration Testers with analysis of edge network devices to include vulnerability analysis and exploitation. We are looking for Network Security Engineers with a blend of network infrastructure management and familiarity with network penetration testing and offensive security. Candidates should have a minimum of 7+ years of experience as a Network Engineer, System Engineer or in the Cyber Security field as a hands-on penetration tester. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level.

JOB SUMMARY:
We are looking for Network Security Engineers to work on covert and secure networks. Prior penetration testing experience is not required but is a plus. This is a great position to transition from more traditional network engineering and network defense into the penetration testing field. This position will allow you to expand both your offensive and defensive networks security skills by using tools like Shodan, Maltego and various tools in the Kali Linux environment. Applicants for this position should have a solid understanding of network engineering with some exposure to bash and/or Python scripting.

REQUIRED SKILLS:

  • Proficiency working in a Linux environment (CentOS, Ubuntu, Fedora, Solaris, Kali).

  • Experience configuring small business or home network (SOHO) devices (e.g., wifi routers, switches, etc.).

  • Comfortable working in a command-line environment (SSH, bash, telnet, etc.)

  • Experience monitoring network activity, to include performing network packet inspection, traffic analysis, performance characterization (e.g., Wireshark, tcpdump, etc.).

  • Understanding of information security practices.

  • Experience using virtual infrastructure (e.g., vSphere).

  • Experience in a cyber-security role such as network defense, penetration testing and network forensics.

  • Experience in either the design, implementation, procurement, tradecraft or maintenance of various layers within covert network infrastructure.

  • Proven ability to design and develop integrated network solutions using Linux and traditional appliance network devices.

DESIRED SKILLS:

  • Scripting including Python, Bash and Perl and frameworks like Ansible.
  • Understanding of Linux network security tools (e.g., Metasploit, Netcat, Nmap, iptables, BurpSuite, IDS, SELinux, etc.).
  • Experience monitoring threats via a SIEM console such as Solarwinds, Cisco Network Analysis Module (LogRhythm/Splunk preferred).
  • Experience performing analysis of log files from a variety of sources, to include individual host logs, network traffic logs, firewall logs and IPS logs.
  • Well-versed in leveraging and securing cloud platforms.
  • Demonstrated knowledge of information security discipline via industry certification such as: OSCP, CCSP, CISSP, SSCP, GIAC (Security Track).
  • Experience conducting incident response to include: research and identification of attack vector, malware mitigation and removal and documentation of event.
  • Motivated self-starter with an analytical focus, problem solving skills, time management skills and a passion for computer, network, or cyber security.
  • Actively seeks to enhance the group through knowledge sharing.

Job Type: Full-time

Pay: $150,000.00 - $275,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Flexible schedule
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Referral program
  • Retirement plan
  • Tuition reimbursement
  • Vision insurance

Compensation Package:

  • Bonus opportunities

Application Question(s):

  • Do you have an active TS/SCI Security Clearance with a Full Scope Polygraph? Unfortunately, applicants without this clearance will not be considered.

Work Location: In person

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