Cybersecurity Engineer Jobs in Seoul

Cybersecurity Engineer jobs in Seoul hiring now at vetted startups and product companies on Alion, updated daily. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Seoul
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
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Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

Ajeongdang

ajd.co.kr
ajd.co.kr • HQ: Busan, South Korea • Price Comparison • Financial Comparison & Loan Marketplaces • 1001-5000 employees • Trust B • Hiring 58, 1 new
HQ: Busan, South Korea • Price Comparison • Financial Comparison & Loan Marketplaces • 1001-5000 employees • Trust B • Hiring 58, 1 new
Ajeongdang is a South Korean comparison and sign-up platform for home internet, IPTV, mobile plans, appliance rentals and credit cards, operated by Ajeong Networks and headquartered in Busan. It compares offers from carriers such as SK Broadband, KT and LG Uplus with cash gifts for new subscribers and has expanded into moving, cleaning, interior, real estate, insurance and budget mobile services through sister company Ajeong Communications. Hiring focuses on inbound sales and customer service managers at contact centres in Busan and Daegu, alongside strategy, CRM product design, MVNO business development and video content roles in Seoul.
Kim Mingi Saeopjamyeong · 대표자 · decision-maker
Careers mailbox is known
Verified live · 4 hours ago 2 months ago Fading · 33%

보안 운영 팀장 (서울)

≈ $97k – $233k per year (Estimated) • Staff+ • 10+ years exp • In office (Seoul, South Korea) • Full-Time • Staff • Korean: C1
IAM
Cybersecurity
DLP
Apply

Hyperithm

hyperithm.com
hyperithm.com • HQ: Tokyo, Japan • Online Brokerage & Trading Platforms • Cryptocurrencies • 51-200 employees • Est. 2018 • Startup • Trust B • Hiring 5
HQ: Tokyo, Japan • Online Brokerage & Trading Platforms • Cryptocurrencies • 51-200 employees • Est. 2018 • Startup • Trust B • Hiring 5
Hyperithm builds quantitative trading and digital asset management technology. Its systems apply machine learning to market data across Asia. The company operates in Japan and Korea.
No named decision-maker yet.
Careers mailbox is known
Verified live · 26 min ago 2 months ago Long shot · 10%

Security Researcher

In office (Seoul, South Korea) • Full-Time • Korean: C1
Gemini
Red Teaming
Cursor
ChatGPT
Claude Code
DevOps
GitHub Actions
GitHub
Kubernetes
CI/CD
AWS
Cybersecurity
Okta
+3
Apply

Kurly

kurly.com
kurly.com • HQ: Seoul, South Korea • E-commerce Platforms • Online Groceries • Est. 2014 • Trust B • Hiring 55, 3 new
HQ: Seoul, South Korea • E-commerce Platforms • Online Groceries • Est. 2014 • Trust B • Hiring 55, 3 new
Kurly is a Seoul-based e-commerce company that runs Market Kurly, an online grocery service known for overnight Morning Star delivery of fresh food, and Beauty Kurly, its cosmetics and lifestyle shop. It sells curated food, beauty, fashion and household products through its own app and website, develops private-label goods with OEM and ODM partners, operates fulfilment centres including one in Gimpo, and runs an affiliate programme for creators. It hires in Seoul and Gimpo for product managers, growth and performance marketers, merchandisers, content designers, food editors, HR business partners and EHS safety managers.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago 2 months ago Fading · 33%

네트워크 보안 솔루션 운영 담당자

≈ $79k – $183k per year (Estimated) • Senior • 6+ years exp • In office (Seoul, South Korea) • Full-Time • Senior • Korean: C1
Python
DevOps
Splunk
VPN
TCP/IP
AWS
Cybersecurity
OWASP Top 10
SIEM
Management
n8n
Apply
Verified live · 4 hours ago 3 months ago Fading · 29%

정보보호 정책 담당자

≈ $83k – $192k per year (Estimated) • Senior • 8+ years exp • In office (Seoul, South Korea) • Full-Time • Staff • Korean: C1
Python
Databases
Google BigQuery
Apache Kafka
DevOps
AWS
Management
n8n
Apply
Verified live · 4 hours ago 3 months ago Fading · 29%

개인정보보호 담당자

≈ $82k – $189k per year (Estimated) • Senior • 6+ years exp • In office (Seoul, South Korea) • Full-Time • Senior • Korean: C1
Python
Management
n8n
Apply

GC Company

gccompany.co.kr
gccompany.co.kr • HQ: Seoul, South Korea • Travel Agencies • Travel Technology • Est. 2005 • Trust B • Hiring 26, 1 new
HQ: Seoul, South Korea • Travel Agencies • Travel Technology • Est. 2005 • Trust B • Hiring 26, 1 new
GC Company is the Seoul operator of Yeogi Eottae, one of the two dominant accommodation booking applications in Korea. Its platform covers hotels, guesthouses, camping and leisure activities with same day booking for domestic travellers. The company has expanded into overseas hotel booking and airline ticketing.
Jung Myeonghoon Juso · 대표이사 · decision-maker
Careers mailbox is known
Verified live · 4 hours ago 2 months ago Long shot · 13%

Security Engineer [모의해킹 및 취약점진단]

In office (Seoul, South Korea) • Full-Time • Korean: C1
Python
DevOps
AWS
Apply

Finda

finda.co.kr
finda.co.kr • HQ: Seoul, South Korea • Financial Comparison & Loan Marketplaces • Est. 2015 • Hiring 12, 1 new
HQ: Seoul, South Korea • Financial Comparison & Loan Marketplaces • Est. 2015 • Hiring 12, 1 new
Finda is a Seoul fintech company founded in 2015 that lets borrowers compare loan offers from dozens of licensed lenders in one place. Its platform returns personalised rates and limits without repeated credit checks at each institution. The company has expanded into business lending and financial management services.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 2 months ago Long shot · 10%

Application Security Engineer(자동화/취약점)

In office (Seoul, South Korea) • Full-Time • Korean: C1
Python
AI/ML
RAG
LLM
DevOps
IAM
CI/CD
AWS
Cybersecurity
Shift-Left Security
OWASP
Apply

Channel Corp

channel.io
channel.io • HQ: Seoul, South Korea • Conversational AI • Customer Support & Help Desk Software • 51-200 employees • Est. 2014 • Trust B • Hiring 59
HQ: Seoul, South Korea • Conversational AI • Customer Support & Help Desk Software • 51-200 employees • Est. 2014 • Trust B • Hiring 59
Channel Corp is a Seoul software company that develops Channel Talk, an AI messenger platform for customer support, sales and customer operations, and Channel Works, a business suite for analytics, marketing and team collaboration. Formerly known as ZOYI, it has built its business mainly among Korean and Japanese startups and small and midsize businesses, reports use by around 240,000 companies and is expanding in the US, starting with AI-native startups in San Francisco. It hires software, DevOps and applied AI engineers, product managers and designers, account executives, sales development and account management staff, customer success specialists and recruiters.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 3 months ago Fading · 43%

Security Engineer

Hybrid (Seoul, South Korea) • Korean: C1
LLM
DevOps
IAM
Terraform
Kubernetes
CI/CD
AWS
Cybersecurity
OWASP Top 10
SIEM
ISO 27001
+1
Apply
Likely inactiveVerified live · 3 hours ago 3 years ago Long shot · 8%

Chief Information Security Officer

≈ $107k – $261k per year (Estimated) • Head+ • Hybrid (Seoul, South Korea) • Architect • Korean: C1
ISO 27001
Apply

Estsoft

estsoft.ai
estsoft.ai • HQ: Seoul, South Korea • Custom Software Development • 51-200 employees • Est. 1993 • Trust C • Hiring 25, 1 new
HQ: Seoul, South Korea • Custom Software Development • 51-200 employees • Est. 1993 • Trust C • Hiring 25, 1 new
AI로 인간을 위한 가장 보편적인 인터페이스를 만들어 갑니다.AI 기술 기반 최고의 서비스 기업 이스트소프트. the Most Universal Interface for Human. AI that warms and enriches our lives. ESTsoft, the best service company based on AI technology.
Jung Sangwon Saeopjadeungrok · 대표이사 · decision-maker
No careers mailbox known
Verified live · 1 hour ago 3 months ago Long shot · 7%

[ESTsecurity] 정보보안 기술 담당자 (경력)

In office (Seoul, South Korea) • Full-Time • Korean: C1
Claude Code
DevOps
Cloudflare
Apply

Law&Company

lawtalk.is
lawtalk.is • HQ: Seoul, South Korea • Legal AI • Legal Software • Legal Services • Startup • Hiring 10, 2 new
HQ: Seoul, South Korea • Legal AI • Legal Software • Legal Services • Startup • Hiring 10, 2 new
Law&Company is a South Korean legal technology company that builds services using technology to help both legal consumers and lawyers, including the LawTalk platform. It received a presidential commendation in 2024 for information and communications and recruits AI engineers, data engineers, junior lawyers, security officers and developers for its legal AI services. The company is headquartered in Seoul, South Korea.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 3 months ago Fading · 31%

정보보안 담당자(침해대응)

≈ $84k – $194k per year (Estimated) • Senior • 7+ years exp • Seoul • Remote (South Korea) • Full-Time • Senior • Korean: C1
YARA
DevOps
GCP
AWS
Cybersecurity
YARA
SIEM
Apply

Snowflake

snowflake.com
snowflake.com • HQ: Bozeman, United States • Databases & DBMS • Data Marketplaces, Sharing & Clean Rooms • Data Warehouses & Lakehouses • 5000+ employees • Est. 2012 • Trust A • Hiring 343, 25 new
HQ: Bozeman, United States • Databases & DBMS • Data Marketplaces, Sharing & Clean Rooms • Data Warehouses & Lakehouses • 5000+ employees • Est. 2012 • Trust A • Hiring 343, 25 new
Snowflake is an American cloud data company founded in 2012 by former Oracle database architects and headquartered in Bozeman, Montana. Its platform separates storage from compute so organisations can scale query power independently of data volume, run workloads across Amazon Web Services, Azure and Google Cloud, and share live datasets with partners without copying them. Originally a cloud data warehouse, it has expanded into data engineering, application development with Snowpark and Native Apps, and AI features through Cortex, and it listed on the New York Stock Exchange in 2020 in the largest software offering to that point.
Marcin Zukowski · Co-Founder · decision-maker
Thierry Cruanes · Co-Founder & Chief Technical Officer · decision-maker
Benoit Dageville · Co-Founder & President of Products · decision-maker
Christian Kleinerman · Executive Officer · decision-maker
Careers mailbox is known
Verified live · 4 hours ago 3 months ago Long shot · 18%

Senior Security Architect, Applied Field Engineering Office

≈ $132k – $316k per year (Estimated) • Staff+ • 10+ years exp • In office (Seoul, South Korea) • Bachelor's Degree • Full-Time • Architect • English: C1 • Korean
SQL
Python
Databases
Snowflake
AI/ML
LLM
AI Agents
DevOps
TCP/IP
DNS
IAM
GCP
Azure
AWS
Terraform
Kubernetes
Cybersecurity
MITRE ATT&CK
OWASP
+7
Apply

KONA I

konai.com
konai.com • HQ: Seoul, South Korea • Car Electronics • Automotive Software • Est. 1998 • Hiring 2
HQ: Seoul, South Korea • Car Electronics • Automotive Software • Est. 1998 • Hiring 2
KONA I is a Seoul company founded in 1998 that manufactures smart cards and builds payment platforms. It supplies chip cards to banks and transport operators and runs prepaid and banking services in emerging markets including Mongolia and Africa. The company combines card production with its own payment processing software.
No named decision-maker yet.
Careers mailbox is known
Open 112 daysVerified live · 1 hour ago 3 months ago Long shot · 7%

개인정보보호 담당자(경력)

In office (Seoul, South Korea) • Full-Time • Korean: C1
PCI DSS
DLP
ISO 27001
Apply

Delight

delight.ai
delight.ai • HQ: Vancouver, Canada • AI Agents • Marketing & Sales AI • Customer Support & Help Desk Software • Conversational AI • Startup • Trust A • Hiring 5, 1 new
HQ: Vancouver, Canada • AI Agents • Marketing & Sales AI • Customer Support & Help Desk Software • Conversational AI • Startup • Trust A • Hiring 5, 1 new
Delight.ai builds a living understanding of every customer—who they are, what they love, and what they need next.
Gavin Cooper · Executive Officer · decision-maker
Adrian Rothwell · Executive Officer, Director · decision-maker
Galen McNamara · Executive Officer, Director · decision-maker
Carson Halliday · Executive Officer · decision-maker
No careers mailbox known
Verified live · 4 hours ago 3 months ago Fading · 25%

Security Engineer

Hybrid (Seoul, South Korea) • English: C1 (Optional)
Python
AI/ML
AI Agents
DevOps
GCP
Kubernetes
CI/CD
AWS
Apply

MakinaRocks

makinarocks.ai
makinarocks.ai • HQ: Seoul, South Korea • Industrial AI • 51-200 employees • Startup • Trust C • Hiring 19
HQ: Seoul, South Korea • Industrial AI • 51-200 employees • Startup • Trust C • Hiring 19
MakinaRocks is a South Korean industrial AI company that builds physical AI on an enterprise AI operating system for harsh environments ranging from factories to defence. Its product development division turns its AI into platform and application products for industrial sites, and it hires technical product managers, MLOps solution architects, AI software project managers and legal counsel. The company is headquartered in Seoul, South Korea.
No named decision-maker yet.
Careers mailbox is known
Likely inactiveVerified live · 19 min ago 4 months ago Long shot · 4%

[Security] Security Engineer

In office (Seoul, South Korea) • Full-Time • Korean: C1
Vertex AI
DevOps
CloudFormation
Platform Engineering
IAM
Kubernetes
AWS
Cybersecurity
SIEM
ISO 27001
Apply

Amazon

amazon.com
amazon.com • HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Video Production • Developer Tools • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 1-10 employees • Est. 1994 • Trust B • Hiring 15324, 1090 new
HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Video Production • Developer Tools • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 1-10 employees • Est. 1994 • Trust B • Hiring 15324, 1090 new
Amazon is an American technology and retail conglomerate founded by Jeff Bezos in 1994 as an online bookstore and headquartered in Seattle, Washington. It operates the world's largest online marketplace together with a global logistics network, physical grocery stores and a third-party seller platform that accounts for most units sold. Amazon Web Services, launched in 2006, is the leading public cloud provider and generates the majority of the group's operating profit, while advertising, Prime Video, Alexa devices and Kuiper satellite broadband round out the business.
Jeff Bezos · Founder & Executive Chairman · decision-maker
Scott McMillan · Executive Officer · decision-maker
Emily Austin · Executive Officer · decision-maker
Joel Wallenstrom · Executive Officer, Director · decision-maker
Careers mailbox is known
Open 170 daysVerified live · 3 hours ago 5 months ago Long shot · 5%

Incident Management Engineer (Korean/English bilingual), Incident Detection and Response

≈ $94k – $217k per year (Estimated) • Senior • 6+ years exp • In office (Seoul, South Korea, 9am - 5pm) • Bachelor's Degree • Full-Time • Senior • Korean • English
Incident Management
AWS
Management
ITIL
Apply
Open 232 daysVerified live · 3 hours ago 7 months ago Long shot · 8%

Incident Management Engineer - bilingual (Korean & English), Incident Detection and Response

≈ $94k – $217k per year (Estimated) • Senior • 6+ years exp • In office (Seoul, South Korea, 9am - 5pm) • Bachelor's Degree • Full-Time • Senior • Korean • English
JavaScript
Python
DevOps
Incident Management
AWS
Apply

INEX

inex.im
inex.im • HQ: Seoul, South Korea • Blockchain Infrastructure • Cryptocurrencies • Hiring 5
HQ: Seoul, South Korea • Blockchain Infrastructure • Cryptocurrencies • Hiring 5
INEX is a South Korean digital asset company that describes itself as a crypto and compliance as a service provider rather than a simple exchange. It builds infrastructure that lets financial firms and platforms expand into digital assets, holds ISO 27001 certification, and hires frontend and backend developers, product managers, security and anti-money laundering staff. The company is headquartered in Gangnam, Seoul, South Korea.
Lee Jaegang Juso · 대표이사 · decision-maker
No careers mailbox known
Open 197 days 6 months ago Long shot · 2%

정보보호담당자

≈ $81k – $186k per year (Estimated) • Senior • 5+ years exp • In office (Seoul, South Korea) • Full-Time • Senior • Korean: C1
Java
Python
DevOps
AWS
Cybersecurity
ISO 27001
Apply

RideFlux

rideflux.com
rideflux.com • HQ: Jeju, South Korea • Autonomous Driving • 51-200 employees • Est. 2018 • Startup • Hiring 9
HQ: Jeju, South Korea • Autonomous Driving • 51-200 employees • Est. 2018 • Startup • Hiring 9
RideFlux is a Korean autonomous driving company founded in 2018 and based on Jeju Island. It operates self driving shuttle services on public roads between the airport and resorts and builds its own perception and planning software. The company runs one of the longest continuously operating autonomous passenger services in Korea.
Park Junghyi Saeopjadeungrok · 대표이사 · decision-maker
Careers mailbox is known
Open 228 daysVerified live · 5 min ago 7 months ago Long shot · 6%

[서울] 자율주행 시스템 사이버보안 엔지니어 모집 (경력)

≈ $61k – $149k per year (Estimated) • Middle • 4+ years exp • In office (Seoul, South Korea) • Full-Time • Middle • Korean: C1
MATLAB
C++
MATLAB
Simulink
AI/ML
AI Agents
DevOps
CI/CD
Apply

Danggeun Market

daangn.com
daangn.com • HQ: Seoul, South Korea • Secondhand • Marketplaces • Est. 2015 • Trust C • Hiring 40, 5 new
HQ: Seoul, South Korea • Secondhand • Marketplaces • Est. 2015 • Trust C • Hiring 40, 5 new
Danggeun Market, known internationally as Karrot, is a Seoul company founded in 2015 that runs a hyperlocal second hand marketplace. Listings are restricted to a user's own neighbourhood so goods are handed over in person, which built unusually high trust and daily usage. The company has expanded into local advertising, jobs and payment services.
No named decision-maker yet.
Careers mailbox is known
Likely inactiveVerified live · 27 min ago 2 years ago Long shot · 3%

Security Engineer - 인프라 (보안, Detection & Response)

≈ $58k – $141k per year (Estimated) • Middle • 3+ years exp • In office (Seoul, South Korea) • Middle • Korean: C1
SIEM
Apply
Machines can read this selection · checked 09:25 UTC
Cybersecurity Engineer Jobs in Seoul
Frequently asked questions
How many Cybersecurity Engineer jobs in Seoul are available on Alion?
There are currently 69 active listings from 14 hiring companies on Alion, refreshed daily.
Which companies are hiring for Cybersecurity Engineer jobs in Seoul?
14 vetted startups and product companies are currently hiring on Alion.
Are remote options available for Cybersecurity Engineer jobs in Seoul?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Cybersecurity Engineer jobs in Seoul?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.