Senior Security Engineer (Attack Surface Identification)

Coupang•Seattle, WA

6d•$108,000 - $232,000

About The Position

This role mitigates security threats by continuously identifying IT interfaces and digital footprints exposed to attackers. As attackers' infiltration methods evolve rapidly with advancements in AI technology, proactive attack surface management is no longer an option, but a necessity. We are looking for an expert to join us in achieving our proactive cybersecurity mission to minimize attack surface exposure, staying one step ahead of the attackers.

Requirements

Bachelors Degree in Computer Science or a related field
2 years of experience in Security Engineering or Cybersecurity

Nice To Haves

5+ years of hands-on experience in cybersecurity threat identification, response, assessment, and management (with at least 2 years of experience in Attack Surface Management preferred).
ASM Solution Utilization: Experience in implementing and operating commercial ASM solutions.
Scanner & Script Development: Experience developing vulnerability scanners or detection scripts from an attacker's perspective (Offensive perspective). Usage of AI IDEs is highly welcomed.
Security Automation: Ability to efficiently write automation scripts utilizing AWS resources and Python for API integration and building attack surface identification tools.
Security Architecture Understanding: Structural understanding of Cloud (AWS, Azure, GCP), On-premises, IoT, User Endpoints, DNS, Admin Consoles, etc.
Network & Cloud Security: In-depth knowledge of major network protocols (TCP/IP, DNS, HTTP/S, RDP, etc.) and web/cloud architecture security.
Cyber Attack Mechanisms (TTPs): Understanding of real-world attack mechanisms including attack path discovery, vulnerability exploitation, malware distribution/execution, lateral movement, DDoS, and supply chain attacks.
Language Proficiency: Intermediate or higher proficiency in English (Reading, Writing, Speaking) to communicate smoothly in a global environment.
Cloud Security Expertise: Understanding of infrastructure operations and security assessment experience in large-scale public cloud environments (AWS, Azure, GCP, etc.).
Related Security Experience: Hands-on experience in Bug Bounty programs, discovering and reporting major vulnerabilities (CVEs), penetration testing, incident response, threat hunting, security architecture review, or Cyber Threat Intelligence (CTI).
Large-Scale Infrastructure Experience: Security operations experience within a complex, massive global IT infrastructure.
Bilingual Proficiency: Fluent in both Korean and English, capable of seamless communication and collaboration in a global work environment.

Responsibilities

Continuous Monitoring of Digital Footprint: Constantly identify and map our officially/unofficially exposed IT assets (domains, IPs, open ports, cloud environments, etc.).
Discovery of Shadow IT & Blind Spots: Proactively detect abandoned servers, test pages, and unnecessary exposed interfaces that are out of the management organization's visibility.
Vulnerability Identification & Mitigation Strategy: Identify vulnerable application versions and paths exposing internal information, evaluate them based on business impact, and prioritize remediation efforts.
Cross-functional Collaboration & Proactive Defense: Work closely with infrastructure and development teams to swiftly eliminate vulnerable paths or apply protective measures before an attack surface leads to a real breach.
ASM Solution Implementation & Operation: Implement and operate commercial ASM solutions while simultaneously building and utilizing our own in-house Attack Surface Discovery tools.
ASM Automation Pipeline: Automate processes to streamline attack surface identification and establish integration architectures with existing security solutions.