Senior Security Engineer

Benefits

Parental leave

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Non-birth-parent leave

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Role

Role function

Security From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Work mode

Remote From the posting source checked Jun 20, 2026

In-office days

0 days From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Company

Company stage

Growth-stage From the posting source checked Jun 20, 2026

Equity

Offered From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

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About this role

Senior Security Engineer Remote Europe | Remote Asia Talent Wanted. For hazardous journey. Small wages , bitter cold, long months of complete darkness, constant danger, safe return doubtful. Honour and recognition in case of success. Fridtjof Nansen crossed the Arctic, going places no human had ever been. Together with our users, we're doing the same onchain - and someone needs to make sure we don't get killed on the way there. Nansen is a special company. We're building the single best platform for onchain investing - agentic trading, staking infrastructure, AI-powered analytics - and we're scaling fast. Fast enough that security can't be an afterthought bolted on later. It has to be built in, from the start, by someone who knows what they're doing. Our mission: Surface the signal and create winners. What you'll do at Nansen You'll be the person who makes sure we can move fast without breaking things that matter. That means embedding security into everything we build - cloud infrastructure, applications, CI/CD pipelines, AI systems, staking operations - across a generalist role that spans the full surface area. - Run security assessments across systems, architectures, and code - find the vulnerabilities before someone else does - Advise engineering teams on secure design decisions. You're a partner, not a blocker - Deploy and maintain security infrastructure: SIEM, vulnerability scanning, endpoint protection, logging - the things that let us sleep at night - Secure our CI/CD pipelines and deployment workflows end-to-end - Own secrets management, key management, and

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