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# Senior Security Engineer

- **Company:** Certified Kernel Tech LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $130,000.0 - $163,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), PHP (Programming Language), Private Networks, Amazon Web Services, Software System Penetration Testing, Microsoft Azure, C++ (Programming Language), Cloud Computing, Cyber Security, Python (Programming Language), Blockchain, Software Engineering, Software Vulnerability Management, Software Security, Information Technology, Web3.js, Application Client, Blockchain Security
- **Published:** June 4, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=95e01192bc985fda

## About the Role

Do you have experience in Vulnerability management?, Do you have a Master's degree?, * Master's degree in Security Informatics/Cybersecurity or a related field.

 * In-depth knowledge of solidity/smart contract security/Cryptography/Blockchain technology.
 * Technical expertise in Web3 security, threat/vulnerability management, penetration testing & security review for programs written in Java/JavaScript/Python/C/C++/PHP/Go.
 * Familiar with cloud platforms such as AWS/Azure/GCP & proficient in Python/JavaScript.

## Description

The primary responsibility of this role is for CertiK's security-related services. Intersecting cybersecurity and blockchain, CertiK's security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart contracts, penetration testing, and more. We are looking to hire someone with a passion for application security and penetration testing. This is a fun and challenging full-time position. If you are excited about hacking, threat modeling, scanning, auditing, designing, and enhancing the security of applications across the board then you will thrive in this role. While you work with clients, we will also provide you with plenty of opportunities to get involved with research and development efforts to help us raise the standards of blockchain security., * Work with external blockchain developers to audit codes & secure products (smart contracts, protocols & apps/Dapps).

 * Establish/enforce security policies, manage security vulnerabilities, respond to incidents/exploits & write analysis reports.
 * Monitor security breaches, defend systems from cyberattacks & provide technical consulting services in cybersecurity.
 * Conduct penetration tests on web/mobile (Android & iOS) & client application, perform external/internal network security assessment.
 * Review source code/security design, conduct threat modeling & provide guidance to software development teams.
 * Contribute to internal security tools & create new ones for improving security services with best engineering practices.
 * Use static/dynamic analyses to identify flaws or vulnerabilities in smart contracts & propose recommendations.
 * Assess sandbox/VM/network/core distributed-system code, identify vulnerabilities & build PoC exploits.
 * Conduct security research, publish findings in technical blog posts & speak at conferences/tech talks/X Spaces, showcasing technical expertise/insights., CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements.
https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf
All CertiK employees are expected to actively support diversity on their teams, and in the Company.


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