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Vulnerability Researcher Contractor Jobs in California

JT4 LLC

Cybersecurity Analyst II

Edwards, CA · On-site

... vulnerability assessments, and assessing the security impact of security and non-security-relevant ... Conduct research and reference reading in obtaining technical information Keep informed of ...

JT4, LLC

Cybersecurity Analyst II

Edwards, CA · On-site

... vulnerability assessments, and assessing the security impact of security and non-security-relevant ... Conduct research and reference reading in obtaining technical information * Keep informed of ...

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Vulnerability Researcher Contractor information

What are the key skills and qualifications needed to thrive as a vulnerability researcher contractor?

To thrive as a Vulnerability Researcher Contractor, you need a deep understanding of computer systems, networking, programming languages (such as C/C++, Python), and a strong background in cybersecurity, often supported by relevant degrees or certifications like OSCP or CEH. Familiarity with vulnerability assessment tools (e.g., IDA Pro, Burp Suite, Metasploit), reverse engineering platforms, and bug tracking systems is typically required. Analytical thinking, attention to detail, and effective written communication are vital soft skills in this role. These skills ensure the accurate identification, documentation, and mitigation of security vulnerabilities, which are crucial for protecting organizational assets.

What are the typical collaboration dynamics for a vulnerability researcher contractor within cybersecurity teams?

As a Vulnerability Researcher Contractor, you’ll often work closely with internal security teams, developers, and sometimes external clients to identify, analyze, and document security flaws. Despite being a contractor, you’ll participate in regular team meetings, share findings, and sometimes assist in developing proof-of-concept exploits or remediation guidance. The role requires strong communication skills, as you’ll need to clearly explain technical vulnerabilities to both technical and non-technical stakeholders. Contract positions may also require rapid onboarding and adaptability to different workflows, making flexibility and proactive communication essential.

What does a vulnerability researcher contractor do?

A Vulnerability Researcher Contractor is an information security professional who specializes in identifying, analyzing, and documenting security vulnerabilities in software, systems, or networks. They are often hired on a temporary or project basis to assess the security posture of an organization or specific products. Their responsibilities may include conducting penetration tests, reverse engineering software, developing proof-of-concept exploits, and providing recommendations for mitigating discovered vulnerabilities. Contractors in this role typically work independently or as part of a security team and may present their findings to stakeholders or assist in developing security patches.

What is the difference between Vulnerability Researcher Contractor vs Penetration Tester?

AspectVulnerability Researcher ContractorPenetration Tester
CredentialsCertifications like OSCP, CEH, CISSP often preferredSimilar certifications, often including OSCP, CEH, GPEN
Work EnvironmentResearch-focused, analyzing vulnerabilities in systems and softwarePractical testing, simulating attacks to identify security gaps
Employer & Industry UsageConsulting firms, cybersecurity companies, freelance rolesSecurity firms, internal security teams, consulting roles
Search & Comparison IntentUnderstanding research vs active testing rolesDistinguishing between research and hands-on attack simulation

While both roles involve cybersecurity expertise, Vulnerability Researcher Contractors focus on discovering and analyzing vulnerabilities through research, whereas Penetration Testers actively simulate attacks to evaluate security defenses. Both roles often require similar certifications and work in related environments, but their core activities differ: research versus practical testing.

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Vulnerability Researcher Contractor jobs near you

Network Security Specialist II (Penetration Tester / Red Team) with Security Clearance

Seneca Resources, LLC

San Diego, CA • On-site

$90K - $100K/yr

Contractor

Medical, Dental, Vision, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

Position Title: Network Security Specialist II (Penetration Tester / Red Team)
Location: San Diego, CA (Onsite)
Clearance Requirements: Active Secret Clearance (Required)
Position Status: Full Time
Pay Rate: $90,000 – $100,000 annually
________________________________________
Position Description:
We are seeking a Network Security Specialist II (Penetration Tester / Red Team Operator) to support a secure Research, Development, Test & Evaluation (RDT&E) environment within a DoD network. This role focuses on offensive cybersecurity operations, vulnerability assessment, and penetration testing to strengthen enterprise network defense capabilities.
The ideal candidate has hands-on experience with Red Team activities, vulnerability enumeration, Linux systems, scripting, and DoD security compliance frameworks (STIGs, ACAS). Key Responsibilities:
• Conduct penetration testing against web applications, systems, and network infrastructure using tools such as Burp Suite
• Perform Red Team activities to identify vulnerabilities across enterprise environments
• Develop and execute proof-of-concept (POC) exploits to validate potential vulnerabilities
• Conduct vulnerability enumeration and support remediation efforts
• Ensure signature-based scanning tools and security assessment platforms are operational
• Draft and review Standard Operating Procedures (SOPs) and technical documentation
• Support compliance with DoD STIGs and cybersecurity best practices
• Analyze system configurations, network traffic, and infrastructure security posture
________________________________________
Required Skills/Education:
• Active Secret clearance
• IAT Level II Certification (Security+, CySA+, GSEC, GICSP, CND, SSCP, or equivalent)
• MCSA, Linux+, or equivalent operating system certification (or equivalent training)
• 4+ years of relevant cybersecurity or network security experience
• Experience as a System Administrator or Network Administrator
• Knowledge of core Linux systems and command-line operations
• Experience with vulnerability scanning, enumeration, and remediation
• Familiarity with DoD STIG implementation and compliance
• Scripting experience (PowerShell, Bash, or Python preferred)
• Experience working with virtual machines (vSphere, VirtualBox, KVM, QEMU)
________________________________________
Preferred Qualifications:
• Experience with Burp Suite and related web application security tools
• ACAS suite management, installation, troubleshooting, and upkeep
• Experience with Kali Linux tools (nmap, tcpdump, Wireshark)
• Understanding of web technologies and HTML structure
• Knowledge of OSI model and network traffic flow analysis
• Experience with Windows Server (Active Directory, Domain Controllers, GPO, SCCM, DISM)
• Intermediate to advanced knowledge of network configuration (switches and routers)
• Basic vulnerability research and exploitation experience
• Exposure to cloud infrastructure security
• Penetration testing and Red Team engagement experience
________________________________________
About Seneca Resources
At Seneca Resources, we are more than just a staffing and consulting firm — we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact. When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way. Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.

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