Full time || Linux Security Lead || New York City, New York || Stamford CT

Title: Linux Security Lead

Location: NYC or Stamford CT, 3days a week in office

Career :

Our Technology team is constantly evolving our firm's IT infrastructure and engineering capabilities, positioning us at the forefront of a rapidly evolving technology landscape. We're a team of experts who experiment and work to discover new ways to harness open-source solutions, modern cloud architectures, and sophisticated Artificial Intelligence (AI) solutions, while embracing enterprise agile methodologies. Our commitment to building and innovating in the AI space provides the framework intended to drive smarter decision making and enhance how we build and operate our platforms and applications.

As a member of client's Technology team, we encourage and support your professional development from day one-helping you advance your technical skills, contribute innovative ideas, and satisfy your own intellectual curiosity-all while delivering real business impact for our multi-billion-dollar global business

What you'll do

* Continue advancements in the firm's Linux security strategy by creating resilient controls across enterprise infrastructure

* Lead adversary-informed assessments of Linux systems to stay ahead of emerging risks to critical business platforms

* Design hardened Linux build standards that reduce attack surface while supporting reliable, high-performance technology operations

* Develop automated checks and remediation workflows that continuously validate configuration, access, and patching practices at scale

* Partner with security operations and infrastructure teams to investigate Linux-focused threats and strengthen detection and response playbooks

* Analyze privilege paths, authentication flows, and service configurations to identify opportunities for containment and least-privilege enforcement

* Advise engineering teams on secure deployment patterns for Linux workloads across data center and cloud-based environments

* Create practical security guidance, threat models, and technical documentation that help teams make informed infrastructure decisions

* Stay ahead of evolving threats to Linux environments by translating threat intelligence into proactive hardening priorities

What's required

* Five or more years of hands-on experience securing and engineering enterprise Linux environments in complex production settings

* Strong offensive security or red-team background, including hands-on exploitation, attack-path analysis, and adversary simulation against Linux systems

* Deep knowledge of Linux hardening, privilege management, authentication, access controls, logging, and secure configuration practices

* Experience performing vulnerability validation, penetration testing, threat modeling, and remediation planning for Linux infrastructure

* Proficiency with scripting or automation to assess configurations, enforce baselines, and support repeatable security operations

* Ability to analyze system logs, process behavior, network activity, and endpoint telemetry during security investigations

* Understanding of container, virtualization, and cloud-based Linux security considerations in enterprise environments

* Strong communication and collaboration skills, with the ability to influence infrastructure, security, and engineering stakeholders

* Ability to work from our New York or Stamford, Connecticut, office in accordance with role expectations

* Commitment to the highest ethical standards

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