Security Engineering Lead

Hudson River Trading (HRT) is seeking an experienced Security Engineer to join our growing Enterprise Security team. This team is responsible for securing the systems and tools HRT employees rely on every day, including managing AI security, Cloud Security Posture Management (CSPM), Identity and Access Management (IAM), Public Key Infrastructure (PKI), Endpoint Security, Vulnerability Management, and protecting HRT’s infrastructure across on-prem and cloud environments. In this role, you will lead a small team of security engineers focused on enabling employees to work safely and productively from any device, anywhere. The ideal candidate is a hands-on, technical leader and security generalist with broad experience developing practical security solutions that enhance both protection and user experience, and the ability to quickly adapt in a fast-paced environment. Responsibilities range from managing device posture and machine identity across thousands of endpoints, to identifying vulnerabilities in servers, containers, and serverless workloads, securing AI agents with guardrails and containerization, and advising teams on securing productivity applications. Responsibilities Define technical strategy for securing enterprise products and services Design, review, and implement robust security hardening solutions for hosts and workloads spanning multiple data centers, colocation facilities, public cloud services, offices, and remote endpoints running various operating systems and applications Build and maintain a unified vulnerability management solution from disparate agents, scanners, SBOM tools, and threat intelligence feeds Partner with developers, engineers, and vendors across the organization to identify, prioritize, and drive initiatives in AI security, IAM, PKI, endpoint security, and more Foster a high-performing and inclusive team environment Execute projects smoothly, both as an individual contributor and as a project lead Qualifications 7+ years of experience in security engineering 2+ years of experience leading a technical team Experience hardening Linux environments at scale using configuration management and infrastructure-as-code tooling Experience in cloud security posture management on GCP, Azure, and/or AWS Familiarity with emerging generative AI security tooling and best practices (guardrails, agents, sandboxing, MCP security, etc.) Familiarity with endpoint security technologies on macOS and Windows Familiarity with PKI workflows: certificate templates, issuance, renewal and revocation Proficiency in Python is required Strong ability to make principled decisions, balancing workforce productivity with security needs Curious, agile, eager to learn, and capable of implementing novel solutions, even when confronted with complexity or uncertainty Experience working with partners throughout the business to achieve company-wide impact The estimated base salary range for this position is 200,000 to 300,000 USD per year (or local equivalent). The base pay offered may vary depending on multiple individualized factors, including location, job-related knowledge, skills, and experience. This role will also be eligible for discretionary performance-based bonuses and a competitive benefits package. Culture Hudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading. At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization—from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues – whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office. Feel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you. Please be advised: Use of AI tools during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used during any stage of the hiring process, we reserve the right to immediately disqualify your candidacy or rescind any job offers extended.

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