It Security Engineer

at Jane Street · Quant · London, United Kingdom · IT and Systems Engineering

IT Security Engineer with a strong Windows engineering background and practical exposure to modern platform security controls. Responsibilities include proposing, designing, testing, implementing, and documenting strategic security controls, coordinating security solutions, identifying opportunities to automate workflows, securing internal IT and remote working platforms, building scalable security controls, investigating emerging threats, developing new security tooling, and driving vulnerability management initiatives. The role requires proficiency in securing Windows OS platforms, hands-on experience with integrated security technologies, skills in administering endpoint security and vulnerability management solutions, knowledge of security best practices, understanding of common threat tactics, techniques, and procedures, familiarity with Windows core infrastructure services, and proven experience automating workflows in PowerShell or other scripting languages.

What you'd actually do

  1. propose, design, test, implement and document strategic security controls
  2. coordinate and deliver security solutions across our IT platforms
  3. identify opportunities to further automate intelligent workflows
  4. help secure internal IT and remote working platforms
  5. build security controls that scale

Skills

Required

  • Windows OS security
  • platform security controls
  • Windows engineering
  • security controls design and implementation
  • automation
  • PowerShell scripting
  • endpoint security administration
  • vulnerability management
  • Windows core infrastructure services (AD/EntraID, PKI)
  • threat analysis (TTPs)
  • security best practices
  • operating system hardening
  • privileged access management
  • vulnerability mitigation

Nice to have

  • scripting languages other than PowerShell

What the JD emphasized

  • strong Windows engineering background
  • practical exposure to modern platform security controls
  • strong judgement and discerning taste
  • prioritise potentially complex and extensive remediation efforts
  • technical advice and decision making
  • strategic security controls
  • automate intelligent workflows
  • hands-on technical work, consultancy and security influence
  • building security controls that scale
  • investigating emerging threats
  • developing new security tooling
  • driving vulnerability management initiatives
  • Proficient in securing Windows OS platforms
  • resolving complex technical issues
  • hands-on experience utilising integrated security technologies
  • safeguarding Windows operating systems
  • administering endpoint security and vulnerability management solutions
  • security best practices
  • operating system hardening
  • privileged access management
  • vulnerability mitigation
  • common threat tactics, techniques and procedures (TTPs)
  • effective countermeasures
  • Windows core infrastructure services (AD/EntraID, PKI)
  • produce scalable and repeatable security practices through automation
  • security tooling and APIs
  • automating workflows in PowerShell or other scripting languages
Read full job description

About the Position

We are looking for an Infrastructure Security Engineer with a strong Windows engineering background and practical exposure to modern platform security controls to help our global team secure Jane Street’s IT platforms. In this role, you’ll need strong judgement and discerning taste to prioritise potentially complex and extensive remediation efforts. We’ll lean on you to suggest where to focus our mitigation efforts, and to provide both technical advice and decision making on behalf of the group where needed.

In this role, you will proactively propose, design, test, implement and document strategic security controls. You will coordinate and deliver security solutions across our IT platforms while identifying opportunities to further automate intelligent workflows. You will help secure internal IT and remote working platforms through a combination of hands-on technical work, consultancy and security influence to the wider IT team. This role will encompass a range of responsibilities, including 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 that spans 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
  • Have hands-on experience utilising integrated security technologies for safeguarding Windows operating systems, including application control, host-based firewalls, auditing and event monitoring and disk encryption
  • Skilled in administering 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
  • Understand 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
  • Understand security tooling and APIs
  • Flexible, reliable and highly collaborative
  • Proven experience automating workflows in PowerShell or other scripting languages
  • Fluent in English

_If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com. _