Founding Security Engineer - Dragonfly Portfolio

Dragonfly•New York, NY

5h•$120,000 - $300,000•Remote

About The Position

This is not a listing for an internal role at Dragonfly. This posting is to connect you directly with one or more companies in our portfolio that are actively hiring across Security Engineering, Infrastructure Security, Cloud Security, Application Security, Network Security, and Founding Security Engineering roles.

Requirements

Strong experience building or operating production security systems
Deep understanding of network, infrastructure, cloud, or application security
Experience with areas such as PKI, IAM, secrets management, HSMs, KMS, network segmentation, or zero-trust architecture
Comfort owning security projects end-to-end and working directly with engineering teams
Ability to operate in fast-moving environments where security infrastructure is still being built
Strong attention to detail and understanding of how security decisions affect production systems
Experience responding to incidents, managing audits, or working with external security partners
Ability to work across technical and non-technical teams

Nice To Haves

Experience at a crypto, fintech, payments, trading, custody, or financial infrastructure company
Experience working with regulated financial institutions or institutional counterparties
Familiarity with smart contract or blockchain security
Experience with cryptographic signing, attestation, or multi-party signing systems
Experience with SOC 2, ISO 27001, penetration testing, or security audits
Previous experience as an early or founding security engineer

Responsibilities

Designing and operating security infrastructure across cloud, network, and production environments
Building and managing PKI, certificates, authentication, and key management systems
Designing secure network architecture, segmentation, private connectivity, and zero-trust systems
Owning IAM, secrets management, cloud KMS, HSMs, and access controls
Implementing secure API infrastructure, request signing, replay protection, and audit logging
Building security monitoring, anomaly detection, and incident response processes
Partnering with Engineering and Infrastructure teams to identify and address security risks
Managing penetration testing, vulnerability assessments, and remediation
Supporting security audits and compliance programs such as SOC 2 and ISO 27001
Building security processes and infrastructure from the ground up in early-stage environments
Collaborating on smart contract, blockchain, wallet, custody, or other crypto-specific security systems