Durlston Partners

security engineer in high-frequency trading

In short

This is a lead-level, fully remote security engineering role at an established high-frequency trading firm, focused on owning and hardening AWS cloud security (IAM, network, encryption, CI/CD security, threat detection and incident response). It requires a background in HFT, prop trading, a hedge fund, or crypto, strong DevSecOps experience, deep AWS security expertise, and automation skills in Python, Go, or similar plus Terraform. Pay is up to €300k base plus a strong bonus.

About
The firm trades across global markets and is an established high-frequency trading firm.
Responsibilities
•Secure and harden the AWS estate, including IAM, network controls, encryption, logging, and monitoring
•Build security into CI/CD, including scanning, secrets management, and policy as code
•Set guardrails and review infrastructure as code
•Detect threats and respond to incidents across cloud environments
•Work with engineers on secure design for new systems
•Own security across the cloud estate, mainly AWS
Requirements
•Background in HFT, prop trading, a hedge fund, or crypto is essential
•Strong hands-on DevSecOps experience
•Deep AWS security knowledge
•Ability to write automation and tooling in Python, Go, or similar
•Infrastructure as code experience with Terraform or similar
•Comfortable working independently in a fully remote setup
Nice to have: container and Kubernetes security
Conditions
•Up to €300k base (negotiable)
•Strong bonus
•Real ownership of security at a firm that takes engineering seriously

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