Cybersecurity engineer · Seoul, South Korea
Security engineer salary in Seoul — typical band and what it buys
Senior security engineer covering application security, infrastructure security, or detection / response.
Data signals
What the numbers say
The pay band
A security engineer in Seoul typically earns around 164,444,444 KRW (mid-market), with most offers between 127,444,444 KRW and 213,777,778 KRW.
What it nets and supports
After local tax the mid-market figure nets about 10,825,926 KRW/month — enough to support a premium lifestyle in Seoul.
Versus the New York benchmark
Pay for this role in Seoul runs about 60% of the New York rate before adjusting for cost of living.
Estimated band
Security engineer gross salary in Seoul
Local-currency band derived from a $120,000 NYC P50 anchor × 0.60 city multiplier × 1370.3704 KRW/USD.
What ₩164,444,444 gross buys you in Seoul
Net after South Korea's effective payroll deduction, mapped to Mundevo's lifestyle tiers.
Required monthly net at each tier in Seoul
Where the P50 salary lands across Mundevo's four lifestyle tiers.
| Tier | Required net / month | Your P50 net covers it? |
|---|---|---|
| PremiumBest fit | ₩3,379,444 | Yes |
| Comfortable | ₩2,731,667 | Yes |
| Balanced | ₩2,266,667 | Yes |
| Frugal | ₩1,801,667 | Yes |
Who this band describes
Senior security engineers in this band have 5-8 years of experience in offensive (red-team / pentesting), defensive (SOC / detection / response), or product-security (appsec / cloud security) tracks. Specialization matters: cloud-security and appsec command premiums at SaaS companies; detection / response runs higher at financial services.
Pay sits modestly above general-purpose senior SWE bands due to specialization scarcity. Highest at fintech, defense-adjacent tech, and large public tech companies; mid-band at enterprise SaaS and cybersecurity consultancies.
Common employer types at this band: Fintech, Big tech, Cybersecurity vendors, Defense contractors, Enterprise SaaS.
Cross-check before negotiation
Mundevo's band is derived, not surveyed. For an offer conversation, anchor on at least one of these.
- Levels.fyi — security roles at public tech companies
- ISC2 / SANS annual cybersecurity workforce surveys
- Glassdoor — broader cybersecurity coverage
FAQ
- What is a good security engineer salary in Seoul?
- The typical security engineer band in Seoul runs 127,444,444 KRW–213,777,778 KRW gross per year, with a median around 164,444,444 KRW. At or above the median is a strong offer — the P50 here supports a premium lifestyle on our cost model.
- How much does a security engineer take home after tax in Seoul?
- On the median 164,444,444 KRW gross, take-home is about 10,825,926 KRW per month (129,911,111 KRW/year) after South Korea's effective income tax and social security.
- Is 164,444,444 KRW a good security engineer salary in Seoul?
- Yes — it's the local median and covers a premium lifestyle for a single person, with about 220% headroom over that tier's cost.