Senior Security Engineer

TL;DR

Senior Security Engineer (Security): Build, operate, and scale a security program across product, infrastructure, and operations with an accent on threat modeling, detection and response, and security automation. Focus on hardening systems for adversarial DeFi environments, triaging vulnerabilities and incidents, and applying AI/LLMs to AppSec workflows and audit evidence collection.

Location: Remote (work within the contiguous United States and Canada)

Salary: $180,000 - $210,000 base (plus On Target Earnings potential and equity)

Company

hirify.global builds onchain financial systems and vault products for institutional clients.

What you will do

• Threat model new product features and integrations, then harden systems with effective controls.
• Operate and evolve the application security toolchain (SAST, dependency/supply-chain checks, secrets scanning) to keep it high-signal for developers.
• Own day-to-day security operations across the detection stack (EDR, SIEM, on-chain monitoring, identity, cloud): triage alerts, resolve key issues, and reduce noise.
• Triage vulnerability and bug-bounty findings by real exposure, drive remediation, and support incident response end to end.
• Take security tooling and projects from evaluation through org-wide rollout across multiple teams.
• Automate repetitive security work with AI/LLMs (AppSec workflows, access reviews, SOC 2/audit evidence collection, vendor due diligence, recurring reporting) and build reusable AI components.

Requirements

• 5+ years hands-on security engineering across product/application security and security operations.
• Experience with technical security assessments, system hardening, security policy analysis, and implementing controls.
• Adversarial mindset with ability to pressure-test assumptions, including your own.
• Proficiency in Python, TypeScript, or JavaScript, working with Claude Code/Codex or similar AI tools.
• Experience applying AI/LLMs to automation and building reusable tooling/components adopted by other engineers.
• Clear communication to explain risk plainly and drive findings to closure.

Nice to have

• Crypto/blockchain security experience.

Culture & Benefits

• Remote-first: work from anywhere in the US and Canada, with regular in-person company retreats and cross-country office visits.
• 100% paid medical, dental, and vision premiums for employees.
• $1,000 WFH stipend and monthly reimbursement for home internet, phone, and cellular data.
• Unlimited vacation and 100% paid parental leave (12 weeks).
• Fertility benefits and opportunity for incentive compensation.

Hiring process

• Review application and assess fit for security engineering scope and experience.
• Interview loop focused on security program ownership, AppSec/operations execution, and AI-enabled automation work.
• Final evaluation of communication and ability to drive findings to closure.