Senior DevSecOps Engineer

Hybrid

London, United kingdom

Freelance

11-04-2025

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Job Specifications

Senior DevSecOps Engineer - Linux, IAM, HashiCorp Vault
Perm or Contract - London, UK - Hybrid working

A leading quantitative technology-driven firm is building a next-generation Identity and Access Management (IAM) capability to underpin its global infrastructure. They are seeking a skilled DevSecOps Engineer with deep Linux expertise and a security-first mindset to play a critical role in designing and deploying this new authentication and authorization platform.

You will join a newly established security engineering function and take ownership of foundational elements of a greenfield IAM architecture. This role involves full lifecycle responsibility — from design and implementation to operationalisation — of secure identity systems and automated infrastructure components.

Required Skills & Experience
Strong background in systems or security engineering within Linux-centric environments
Expert-level understanding of IAM concepts and architecture
Hands-on experience deploying and managing HashiCorp Vault (preferably from scratch)
Familiarity with Kerberos, LDAP, and other secure authentication mechanisms
Experience with containerised environments and automation tooling (e.g. Terraform, Ansible)
Excellent problem-solving, documentation, and collaboration abilities
Degree from a top-tier institution in a relevant field (Computer Science, Engineering, etc.)

Desirable
Exposure to high-performance or low-latency environments
Prior experience in financial services or trading environments
Familiarity with Zero Trust Architecture (ZTA) principles

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