Senior Security Engineer – Identity/Authentication – Financial Markets

Company:  Alexander Ash Consulting
Location: London
Closing Date: 23/04/2025
Hours: Full Time
Type: Permanent

Job Description

Senior Security Engineer – Identity/Authentication – Financial Markets


A trading house are building a new authentication and access management capability and have an opportunity for an experienced Linux engineer with a strong security lens to build out foundational elements of the platform.


This is full lifecycle design, build, implement activity, for someone with a strong understanding of secure Linux builds, identity/access management for on-prem and cloud-based systems, and be able to solution based on a strong understanding of HashiCorp Vault, industry standard secure authentication protocols, containerised and automated infrastructure-as-code architectures, and DevSecOps methodologies


  • 15+ years systems or security engineering experience in Linux-based environment
  • Deep understanding of identity and access management, and authentication
  • Strong understanding of HashiCorp vault (ideally implementation from scratch)
  • Strong understanding of secure authentication protocols (Kerberos, LDAP)
  • Excellent communication, teamwork, documentation and stakeholder skills
  • Degree educated or higher from a leading academic institution


This is a £650-750/day role based London initially for six months (inside IR35).

Apply Now
Share this job
Alexander Ash Consulting
An unhandled error has occurred. Reload 🗙