Senior Security Engineer

Rain

. Build central security systems and automation used across the company .

Posted 11/4/2026full-timeRemote • United StatesSenior💰 $200,000 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in security engineering, focusing on building production security tools and controls, securing cloud infrastructure, and driving vulnerability fixes. Proficient in coding with TypeScript, Go, Rust, or Python, and capable of leading security assessments and incident response efforts.

Highest-signal resume keywords

Security EngineeringCloud Infrastructure SecurityTypeScript CodingVulnerability AssessmentIncident Response

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Tools DevelopmentProduction Security ControlsVulnerability ManagementTypeScriptGoRustPythonBlockchain SecurityAI SecurityExternal Audits

Soft Skills

LeadershipCollaborationCommunication

Industry Keywords

FintechPaymentsCryptoSmart Contract ReviewOnchain MonitoringCustodyMultisig ControlsBug Bounty Program

Tech Stack

Tools & technologies

CloudPythonRustTypeScriptGo

About the role

Key responsibilities & impact

Build central security systems and automation used across the company
Secure cloud infrastructure, identity, and access across Rain’s footprint
Assess new products, partners, and vendors before launch
Guide engineers building new products and integrations
Build AI agents and tools to improve security speed and accuracy
Lead external security assessments and drive findings to verified fixes
Participate in the on-call rotation and support incident response
Work across detection, response, sensors, and threat intelligence with engineering, compliance, and leadership

Requirements

What you’ll need

5+ years in security engineering, including building production security tools and controls
Strong coding skills in TypeScript, Go, Rust, or Python
Experience securing cloud infrastructure, identity, and access
Ability to find vulnerabilities, prove them, and drive fixes with owning engineering teams
Experience at a fintech, payments, or crypto company
Willingness/ability to participate in an on-call rotation and support incident response
Blockchain security experience is nice to have: smart contract review, onchain monitoring, custody, and multisig controls
AI security experience is nice to have: securing LLM applications and agents or building AI into security workflows
Experience running external audits or a bug bounty program is nice to have
Legally authorized to work in the United States for any employer without restrictions

Benefits

Comp & perks

Unlimited time off, with a required minimum of 10 days taken
Flexible working and work-from-home option
Home setup stipend for new Rainmakers
Comprehensive health, dental and vision plans for US Rainmakers and dependents
100% company-subsidized life insurance for US Rainmakers
401(k) with 4% company match
Equity option plan
Rain card for testing company products and services
Health and wellness spending for gym memberships, fitness classes, massages, acupuncture, and similar expenses
Domestic and international team and company offsites