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Freelance Network Penetration Testing Jobs in Springfield, VA

Orison

Penetration Tester

Reston, VA · On-site

Network penetration testing and experience working with network infrastructure * An understanding of network protocols and their use for command-and-control channels * Experience carrying out social ...

Jobtailor

Senior Penetration Tester

Herndon, VA · On-site

$120 - $150/hr

Penetration Testing * Web Application Security * Network Security * Scripting Languages * Top Secret Clearance ATS Optimization Keywords Hard Skills * Penetration Testing Methodologies * Social ...

Peraton

Penetration Tester

Arlington, VA · On-site

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

SkyePoint Decisions

Penetration Tester

Arlington, VA

$95K - $112K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Peraton

Penetration Tester

Arlington, VA · On-site

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Fortreum

Penetration Tester

Leesburg, VA · On-site

$125 - $155/hr

Key Responsibilities This role will be responsible for conducting network, application (API, mobile, and web), and Social Engineering penetration testing. Specifically, you would: * Work closely with ...

Peraton

Penetration Tester

Arlington, VA · On-site

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Fortreum

Cleared Penetration Tester

Herndon, VA · On-site

$130K - $160K/yr

Key Responsibilities This role will be responsible for conducting network, application (API, mobile, and web), and Social Engineering penetration testing. Specifically, you would: * Work closely with ...

kgs

Penetration Testing Lead

Atlantic City, NJ

The Penetration Testing Lead will analyze vulnerabilities, identify gaps in IT security policies ... Certified Network Defense Architect (CNDA) * GIAC Certified Incident Handler (GCIH) * GIAC ...

Peraton

Penetration Tester / Active Secret

Arlington, VA

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Peraton

Penetration Tester / Active Secret

Arlington, VA · On-site

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Peraton

Penetration Tester / Active Secret

Arlington, VA

$86K - $138K/yr

Hack the Box Certified Penetration Testing Specialist (CPTS) * TCM Security Practical Network Penetration Tester (PNPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * Zero Point ...

Fortreum

Cleared Penetration Tester

Herndon, VA · On-site

$130 - $160/hr

Bachelor's Degree or 4 years of equivalent job experience * 2+ years of professional services experience * 3+ years of web application and network penetration testing experience * Proficient in at ...

Doist

Cleared Senior Penetration Tester

Herndon, VA · On-site

$165 - $185/hr

... network penetration testing experience * Proficient in at least one or more scripting languages (i.e., bash, python, PowerShell, ruby, etc.) * Strong technical acumen with regards to penetration ...

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Freelance Network Penetration Testing information

What is a freelance network penetration tester?

Freelance network penetration testers are independent cybersecurity professionals who assess the security of computer networks by simulating real-world attacks. They identify vulnerabilities, exploit security weaknesses, and provide recommendations to strengthen network defenses. Unlike in-house employees, freelancers work on a contract basis for various clients, offering flexible and specialized services. Their goal is to help organizations protect sensitive data and comply with security standards.

What are the key skills and qualifications needed to thrive as a freelance network penetration tester?

To thrive as a Freelance Network Penetration Tester, you need deep knowledge of network protocols, cybersecurity fundamentals, and vulnerability assessment, typically supported by certifications such as OSCP or CEH. Proficiency with tools like Nmap, Metasploit, Burp Suite, and Wireshark is essential for conducting effective tests and reporting findings. Strong analytical thinking, communication, and self-motivation help build client trust and deliver actionable results. These skills ensure security risks are accurately identified and remediated, protecting client assets and reputation.

What are some common challenges freelance network penetration testers face when working with multiple clients?

Freelance network penetration testers often face challenges such as managing varying client expectations, adapting to different network environments, and ensuring clear communication about findings and remediation steps. Each client may have unique security policies and varying levels of technical knowledge, which requires testers to be flexible and proactive in their approach. Additionally, juggling multiple projects can make time management and maintaining up-to-date documentation particularly important for success in this role.

What is the difference between Freelance Network Penetration Testing vs Freelance Web Application Testing?

AspectFreelance Network Penetration TestingFreelance Web Application Testing
CertificationsCEH, OSCP, GPENOSCP, GWAPT, CEH
Work EnvironmentNetwork infrastructure, servers, firewallsWeb applications, APIs, frontend/backend
Industry UsageIT, cybersecurity firms, consultingWeb development, e-commerce, finance
Common Search IntentAssess network security, identify vulnerabilitiesTest web app security, find web-specific flaws

Freelance Network Penetration Testing focuses on evaluating network infrastructure security, while Freelance Web Application Testing targets web app vulnerabilities. Both roles require cybersecurity certifications and involve testing for security flaws, but they specialize in different areas of cybersecurity testing.

What cities near Springfield, VA are hiring for Freelance Network Penetration Testing jobs?

Cities near Springfield, VA with the most Freelance Network Penetration Testing job openings:

Freelance Network Penetration Testing jobs near you

Penetration Tester

Orison

Reston, VA • On-site

Full-time

Re-posted 16 days ago

Job description

Overview:
Job Title: Penetration Tester
Location: Reston, VA
Work Mode - Hybrid role, 2 days' Work from Office (Wednesday and Thursday)
Must have Skill Set - Red team pentester
Job Description:
  • Network penetration testing and experience working with network infrastructure
  • An understanding of network protocols and their use for command-and-control channels
  • Experience carrying out social-engineering assessments
  • Development/modification of exploits, shellcode and associated tooling.
  • Experience with security assessment tools, such as Nessus, Metasploit, Burp Suite Pro, Cobalt Strike, or Empire
  • Understanding of common cryptography techniques
  • Experience reviewing source code for security flaws
  • Experience conducting wireless security assessments
  • Experience conducting web application security assessments
  • Experience working with a range of operating systems, including the use of Bash and Powershell, scripts
  • Understanding on applications and its architecture built on languages like C#, .NET, Go, Java, or similar

Additional - Good to have certifications
  • Offensive Security Certified Professional (OSCP)
  • Certified Red Team Professional (CRTP)
  • GIAC Penetration Tester (GPEN)
  • CREST Penetration Testing / CBEST Qualifications

Skills:
.NET , C# , JAVA

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