Sygnia · 9 hours ago
Penetration Tester Expert
United States
Full-time
Remote
Mid Level
3+ years expSygnia is a top tier cyber technology and services company that partners with organizations worldwide to proactively build cyber resilience and respond to advanced threats. They are seeking a talented Penetration Tester Expert to strengthen the security of client applications by identifying attack paths and improving their ability to withstand attacks.
ConsultingCyber Security
Responsibilities
Design and execute external penetration testing engagements against client environments, identifying exploitable weaknesses from an attacker’s perspective
Perform application penetration testing on a wide range of web application technologies, to identify vulnerabilities and test applications' security against industries security best practices
Conduct source code reviews to identify security flaws, insecure patterns, and logic vulnerabilities
Use black box, gray box, and white box testing approaches based on engagement scope and client needs
Clearly communicate findings to clients, including attack paths, risk impact, and practical remediation guidance
Collaborate with internal teams to share insights, techniques, and lessons learned from real world attacks
Qualification
Required
At least three years of experience in penetration testing, with a strong emphasis on web application security and external testing
Hands on experience performing source code reviews as part of penetration testing or application security assessments
Previous experience working in a consulting or professional services environment
Strong understanding of penetration testing methodologies and hands on experience with tools such as Burp Suite, Swagger, and Postman
Strong knowledge of OWASP Top 10 vulnerabilities and defensive techniques
Deep technical knowledge across a broad range of technologies, with the ability to learn new systems quickly, including: Databases such as MSSQL, MySQL, Oracle Database, and PostgreSQL; Networking protocols including TCP/IP, DNS, HTTP, FTP, AND SMTP; Web servers such as Apache, Nginx, Microsoft IIS, and Tomcat; Operating systems including Windows and Linux; Cloud platforms including AWS, Azure, and GCP
Preferred
Proficiency in development languages such as C#, PHP, Java, Node.js, and Python
Industry certifications such as OSWE or eWPTXv2
Publicly demonstrated security research, including CVEs, bug bounties, or published findings
Experience testing complex, high traffic, or business critical web applications
Company
Sygnia
Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknown2018-10-16Acquired
Leadership Team
Guy Segal
Chief Executive Officer
Recent News
2025-10-16
2025-09-30
Company data provided by crunchbase