Hire the Best Penetration Testers in California

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Usama M.

Duarte, California

$39/hr
4.9
132 jobs

I help cybersecurity, SaaS, and cloud companies create clear technical content that builds trust, explains their value, and helps attract the right clients. With 6.5+ years of experience across IT networking, cybersecurity, secure software development, and technical research, I turn complex topics into clear, accurate writing that is practical and does not sound AI generated or generic. I can help with: • SEO-focused cybersecurity articles • B2B SaaS website copy and landing pages • Thought leadership content for CISOs, security leaders, technical teams, and executive buyers • Cloud security, compliance, and risk content • AI security and application security topics • Ebooks, white papers, case studies, and technical guides • Security policies, reports, and training material My background includes network security, cloud security, incident analysis, risk assessment, ISO 27001, NIST, GDPR, secure SDLC, Kali Linux, Burp Suite, and programming concepts across C, C++, Java, Python, and Rust. What makes my work different is that I do not just rewrite surface-level information. I understand the technical side, research deeply, and write in a way that helps your audience actually understand the problem, trust your solution, and take action. If you need clear and accurate technical content, I can help.

  • Penetration Testing
  • Ethical Hacking
  • Information Security
  • Computer Science
  • Computer Network
  • Internet of Things Software
  • Artificial Intelligence
  • Data Science
  • Computing & Networking
  • Research Papers
  • Technical Documentation
  • Academic Writing
  • Academic Research
  • SEO Writing
  • Sales Copywriting
  • Website Copywriting
  • Article Writing
  • Information Technology
  • Content SEO
  • Copywriting
Jan S.

Long Beach, California

$40/hr
4.9
12 jobs

OSCP, eCPPTv2, eWPT Certified Penetration Tester :: Web, Mobile App and API Expert :: 99th Percentile at HackerOne :: Cybersecurity Vulnerability & Risk Assessment and Mitigation :: Python, Bash, Powershell, Ruby, C, Javascript Proficient :: Top 0.001% on TryHackMe :: Top 0.1% on HackTheBox I work with companies in order to protect their digital assets, finances, reputations and secure their customer's private data, by discovering vulnerabilities before malicious actors do. - Certified and licensed penetration tester with experience exploiting vulnerabilities across web, network, mobile apps, APIs, PCI DSS compliance tests and more. - Found vulnerabilities in companies like Red Bull, Indeed, Verizon, Seagate, Toyota, UnderArmour, Razer. Merck, Cedar-Sinai and more. - Author of "Enumerating Esoteric Attack Surfaces", the most comprehensive document on web reconnaisance for bug bounty hunters and web-focused penetration testers. - Coding proficiency with Python, Bash, Ruby, Powershell, PHP, Javascript, NodeJS, C if you need code for security automation, customizing existing code, network/AD administration, doing security code analysis (white-box testing) or anything else. - Contributor to hackingthe.cloud , an expansive guide to penetration testing against targets hosted on cloud platforms (AWS, GCP, Azure) - Illustration work sometimes - I've worked with Dungeons & Dragons, TMNT, Brutal Truth, Noisear and many more. Certifications - OSCP (Offensive Security Certified Professional) - eWPT (Web Penetration Tester) - eCPPTv2 (Certified Professional Penetration Tester v2) - CompTIA Pentest+ - Python Institute PCEP Mostly do offsec work but capable of most computer-related tasks, including the ones you need help with right now!! Thanks for reading

  • Penetration Testing
  • Ethical Hacking
  • Information Security
  • Vulnerability Assessment
  • Web App Penetration Testing
  • Security Testing
  • Linux
  • Cloud Security
  • Security Engineering
  • Tech & IT
  • Bash Programming
  • Metasploit
  • Kali Linux
  • Application Security
  • Python
Sammy B.

Los Angeles, California

$99/hr
5.0
51 jobs

I help organizations of all sizes build, mature, and manage their cloud security and compliance programs. With over 15 years of experience in cybersecurity, I’ve led security initiatives for Fortune 100 companies like Warner Bros., EA Sports, Pfizer, State Farm Insurance, and Goldman Sachs. Today, I work with fast-growing SaaS companies, healthcare organizations, and mid-sized businesses to help secure their cloud environments and achieve compliance goals. My expertise includes: Cloud security architecture and hardening across AWS, Azure, and GCP SOC 2, ISO 27001, HIPAA, and GDPR compliance readiness Cloud risk assessments, gap analysis, and remediation planning Penetration testing and vulnerability management Security program development as a virtual CISO (vCISO) SIEM deployment, configuration, and log monitoring (Splunk, ELK, and cloud-native tools) Security policy and procedure development Incident response planning and tabletop exercises DevSecOps integration and CI/CD pipeline security Certifications include CISSP, CISA, GPEN, GMON, GCCC, CEH, AWS Certified Solutions Architect, CHFI, CWSP, ITIL Foundation, and PMP. I focus on delivering practical, business-aligned security outcomes that reduce risk, meet audit requirements, and build trust with your customers and stakeholders. If you’re looking for help with cloud security, regulatory compliance, or security program leadership, let’s connect. Keywords: cloud security, AWS security, Azure security, GCP security, SOC 2 compliance, ISO 27001 consultant, virtual CISO, vCISO, cybersecurity risk assessment, NIST CSF, CIS Controls, penetration testing, vulnerability management, SIEM deployment, Splunk consultant, ELK Stack security, cloud compliance, HIPAA security, GDPR compliance, cloud incident response, DevSecOps, secure CI/CD, security policies and procedures, cloud security audit, remote security consultant, cloud penetration tester, security roadmap, cloud vulnerability assessment.

  • Penetration Testing
  • Network Security
  • Vulnerability Assessment
  • Security Policies & Procedures Documentation
  • Information Security Audit
  • Web Application Security
  • Compliance Consultation
  • Security Infrastructure
  • ISO 27001
  • Certified Information Systems Security Professional
  • PCI
  • HIPAA
  • SOC 2
  • Cybersecurity Monitoring
  • Cloud Security

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