
Security Engineer | Generalist
ARQ · London · Hybrid
- Financial Services & Banking
- 51–200 employees
- New York, NY
Mixed hiring record · median 11 days open
All reasons
- 41% of this employer's openings are over 60 days old
In its favour
- Posted today
- Still listed on the employer's own board
What you'll do
- Build and improve SIEM detection rules, alert pipelines, and automated response playbooks (Datadog SIEM, CrowdStrike, Cloudflare)
- Contribute to incident response readiness, including IR playbooks, tabletop exercises, and forensic procedures
- Support DLP strategy and data protection controls across Google Workspace, Slack, and internal tooling
- Conduct cloud security assessments across AWS and Kubernetes environments
- Drive application security initiatives: threat modelling, secure code review support, API testing, and security pipeline improvements
- Assess and secure AI/agentic workflows across the company — reviewing prompts, preventing destructive actions, and controlling data exposure
- Establish and run the vendor security assessment process — building a scalable due diligence framework for third-party onboarding
What you'll need
- 4–7 years in cyber security, ideally having built or significantly shaped the security function at a startup or high-growth company - you've been the person who sets things up, not just maintains them
- 2+ years at a regulated fintech/bank/payment company
- Hands-on experience with cloud infrastructure security (AWS, Kubernetes)
- Working knowledge of SIEM platforms and detection engineering - you've written detection rules, not just consumed alerts
- Familiarity with application security practices: threat modelling, secure code review, CI/CD pipeline hardening, and API security testing
- Experience with endpoint security tooling (EDR/XDR) and identity & access management in a SaaS-heavy environment (Google Workspace, Okta/Cloudflare Access, SSO/SCIM)
- Ability to assess and secure emerging AI/agentic tooling - you understand the risks of LLM integrations, MCP servers, and automated workflows, and can define practical guardrails
- Experience running or contributing to vendor security assessments and third-party due diligence
- Strong written and verbal communication
- Business fluent in English
Benefits
- Competitive salary and benefits
- Stock options, so you own part of what you build
- Discretionary performance bonus
- The latest tools and technology
- A world-class team that will challenge and grow your skills
- The opportunity to help build the best fintech app in Latin America
- Office Policy: 3-4 days a week in-office
Skills
- SIEM
- Datadog
- CrowdStrike
- Cloudflare
- Google Workspace
- Slack
- AWS
- Kubernetes
- EDR
- Okta
- SSO
- SCIM
- LLM
- Model Context Protocol
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