Senior Security Engineer

CertiK; New York (NY); On-site; USD 100,000 - 130,000; Full time

Job summary

CertiK is looking for a passionate individual in New York who excels in application security and penetration testing. This full-time position involves leading security-related services, including security consulting and smart contract auditing. You'll work with cross-functional teams to enforce security policies and conduct comprehensive assessments.

If you are excited about enhancing application security and exploring new technologies, this challenging role at CertiK is for you. Opportunities for research and development will also be provided.

Qualifications

• Master's degree in Computer Science, Software Engineering, or Security Informatics is required.
• Expertise in threat modeling and risk assessment methodologies.
• Advanced knowledge of secure software development lifecycle and vulnerability management.

Responsibilities

• Lead security-related services intersecting cybersecurity and blockchain.
• Conduct comprehensive security assessments across systems.
• Define and enforce organization-wide security policies.

Skills

Application security

Penetration testing

Threat modeling

SSDL

Java

Python

Cloud environments (AWS/Azure/GCP)

Secure coding/debugging

Education

Master’s degree in Computer Science or related field

Job description

Requirements

• We are looking to hire someone with a passion for application security and penetration testing
• Master’s degree in Computer Science, Software Engineering, Security Informatics, or related field
• Expertise in threat modeling/architectural risk assessment using structured methodologies (e.g., STRIDE/DREAD)
• Advanced knowledge of SSDLC, including static/dynamic analysis/QA practices & end-to-end vulnerability lifecycle management (tracking/remediation coordination/verification)
• Strong ability to conduct comprehensive security assessments across network infrastructure/application architecture/system configurations
• Familiarity with cloud environments (AWS/Azure/GCP) & CI/CD deployment workflows; Proficiency in Java/Python with applied skills in secure coding/debugging/symbolic execution & internal tooling/automation scripting

What the job involves

• 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
• 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
• Lead design/deployment of enterprise‑grade security solutions to safeguard internal networks/applications/infrastructure, ensuring confidentiality/integrity/availability of mission‑critical systems & data
• Define/enforce organization‑wide security policies/standards; own end‑to‑end vulnerability management lifecycle & lead cross‑functional incident response with engineering/IT/compliance teams
• Oversee real‑time threat detection/response operations; conduct forensic investigations & drive root cause analysis for high‑impact security incidents to inform long‑term defense strategies
• Manage/execute comprehensive security assessments across internal/third‑party systems, including architecture reviews/endpoint security evaluations/infrastructure hardening initiatives
• Guide secure development practices by applying advanced static/dynamic analysis to identify vulnerabilities & deliver remediation guidance to engineering teams
• Conduct threat modeling/risk analysis for high‑value systems to proactively identify/mitigate attack vectors & influence system/product architecture
• Architect/maintain internal security tooling to expand detection coverage, streamline response workflows & enhance operational visibility