Staff Web Security Engineer

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

• →Bachelors Degree in Computer Science or a related field
• →4 years of experience in Security Engineering or Cybersecurity

• Proven ability to analyze security telemetry, access logs, and detection events to identify root causes, troubleshoot complex issues, and drive effective remediation.
• Strong communication and stakeholder management skills, with the ability to influence decisions, build alignment, and communicate security risks and recommendations through data-driven insights.
• Bachelor's degree in Computer Science, Cybersecurity, Information Security, or a related field, or equivalent practical experience.
• Hands-on experience securing large-scale web environments, including DNS, DDoS mitigation, web application attacks, bot management, vulnerability response, and security event investigations.
• 10+ years of experience in Web Security, Security Operations, Threat Detection, Incident Response, or a related cybersecurity discipline.
• Ability to travel internationally as required, with no restrictions on obtaining and maintaining necessary travel documentation.
• Industry-recognized cybersecurity certifications such as CISSP, GIAC, GSEC, GCIH, GCIA, Security+, or equivalent.
• Hands-on experience with Web Security CDN, WAF, Bot Management, or DDoS protection platforms in production environments.
• Experience analyzing large datasets using SQL and security analytics platforms such as SIEM solutions, AWS Athena, Splunk, Elastic, or similar technologies.
• Proficiency in one or more programming or scripting languages such as Python, JavaScript, Go, or Bash for automation and security engineering.
• Experience investigating and responding to web security incidents within large-scale e-commerce, technology, or internet-facing environments.
• Strong understanding of web application security principles, common attack techniques, and industry frameworks such as OWASP Top 10 and MITRE ATT&CK.
• Experience developing security automation, operational workflows, detection logic, playbooks, or response procedures.
• Excellent written and verbal communication skills with the ability to effectively collaborate across engineering, infrastructure, product, and security teams.
• Korean language proficiency is a plus but not required. 

• Application Review - Job Fit Interview - Focus Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Job Requisition ID : R0079421