J

Identity Security Engineer

United KingdomLondonmid
EngineeringSecurityIdentity Security Engineer
0 views0 saves0 applied

Quick Summary

Key Responsibilities

Acting as a technical security resource, providing expertise regarding EntraID, M365,

Technical Tools
EngineeringSecurityIdentity Security Engineer

About the Role

~2 min read

We are looking for an Identity Security Engineer with a strong background in engineering hybrid Windows platforms to join our growing team. The Jane Street IT Security team is dedicated to securing access to Jane Street’s IT platforms. You will play a crucial role in furthering the security posture of the organisation through a combination of technical hands-on work and collaboration with cross-functional engineers to drive transformational security projects.

Additional responsibilities of this role will include: 

  • Acting as a technical security resource, providing expertise regarding EntraID, M365, Azure tooling and security best practices 
  • Implementing and leading the validation of appropriate security controls designed to mitigate and limit an attack path(s) between on-prem and externally hosted platforms
  • Identifying security gaps and proposing operational enhancements to adhere to our security standards
  • Providing technical leadership and cross-functional influence to technology teams looking to enable relevant cloud adoption

We’re looking for someone who is ready to make an immediate impact and is able to prioritise their workload in a fast-moving environment. This role is not just executional; we’ll rely on you to determine where we focus our remediation and mitigation efforts for our Windows estate. Your good judgement and quick thinking will help drive decision-making that will have a widespread effect across the firm.

  • Have a solid foundation in Microsoft security policies and configurations spanning Microsoft cloud services (SaaS/PaaS), IAM and Privilege Access Management domains
  • Demonstrate a strong understanding of industry-standard SSO technologies and authentication methods (OpenID Connect, SAML, OAuth, Kerberos, LDAP, etc.)
  • Have designed, implemented and supported Microsoft security infrastructure in production environments
  • Issued security recommendations surrounding certificate policies, templates, and key sizes to maintain secure cryptographic standards
  • Have managed and secured Azure resources using a code-driven approach
  • Eager to produce scalable and repeatable security practices through automation including certificate enrollment and renewals lifecycles 
  • Fluent in English

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

Listing Details

Posted
April 13, 2026
First seen
March 26, 2026
Last seen
April 15, 2026

Posting Health

Days active
19
Repost count
0
Trust Level
68%
Scored at
April 15, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trustcandidate experience
Newsletter

Stay ahead of the market

Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.

A
B
C
D
Join 12,000+ marketers

No spam. Unsubscribe at any time.

J
Identity Security Engineer
Identity Security Engineer | Janestreet | London | April 2026