IT Security Engineer

Jane Street; New York (NY); On-site; USD 90,000 - 130,000; Full time

Job summary

A leading financial firm based in New York seeks an IT Security Engineer to secure its IT platforms. The role involves designing, implementing, and documenting security measures, particularly for Windows OS, while collaborating with a global IT team. Candidates should be proficient in vulnerability management, scripting, and security best practices. This is a hands-on position requiring a flexible and reliable approach to work.

Qualifications

• Proficient in securing Windows OS platforms and resolving complex technical issues.
• Hands-on experience with integrated security technologies for Windows OS.
• Knowledge of best practices for OS hardening and privileged access management.

Responsibilities

• Propose, design, test, implement, and document strategic security controls.
• Deliver security solutions across IT platforms and automate workflows.
• Investigate emerging threats and drive vulnerability management initiatives.

Skills

Securing Windows OS platforms

Scripting in PowerShell or other languages

Endpoint security administration

Vulnerability management

Understanding TTPs

Collaboration

Job description

Overview

We are looking for an IT Security Engineer with a strong Windows engineering background and practical exposure to modern platform security controls to join a global team dedicated to securing Jane Street’s IT platforms. In this role, you will help secure our internal IT and remote working platforms through a combination of hands-on technical work, consultancy, and security influence to the wider IT team.

The ideal candidate will demonstrate strong judgment and prioritization of remediation efforts. We’ll lean on you to suggest where to focus mitigation efforts, and to provide technical advice and decision making on behalf of the group where needed. This role will encompass a range of responsibilities, including:

• Proactively proposing, designing, testing, implementing, and documenting strategic security controls
• Coordinating and delivering security solutions across our IT platforms while identifying opportunities to further automate intelligent workflows
• Building security controls that scale, investigating emerging threats, developing new security tooling, and driving vulnerability management initiatives

This position sits within our IT Engineering group, a highly dedicated team of engineers who monitor and manage our environment across a physical/virtual computing landscape spanning three continents. Your analytical thinking and expertise will be invaluable as we support the daily work of our colleagues and keep our systems operating at the highest standard.

About You

• Proficient in securing Windows OS platforms and resolving complex technical issues in a fast-moving environment
• Hands-on experience utilizing integrated security technologies for safeguarding Windows operating systems, including application control, host-based firewalls, auditing and event monitoring, and disk encryption
• Skilled in the administration of endpoint security and vulnerability management solutions, including antivirus, anti-malware, EDR, vulnerability scanning, and patch management
• Knowledgeable about security best practices, including operating system hardening, privileged access management, and vulnerability mitigation
• Understanding of common threat tactics, techniques, and procedures (TTPs), and effective countermeasures
• Well-versed in Windows core infrastructure services (AD/EntraID, PKI)
• Eager to produce scalable and repeatable security practices through automation
• Understanding of security tooling and APIs
• Flexible, reliable, and highly collaborative approach to work
• Ability to script in PowerShell or other languages is strongly desired

Note: If you're a recruiting agency, please reach out to [e-mail].