Principal Platform Engineer: IAM & AuthN/AuthZ at Scale

IFS; England; Hybrid; GBP 120,000 - 170,000; Full time

Job summary

IFS is seeking a Principal Platform Engineer for Identity & Access Management to architect and operate enterprise‑scale authentication and authorization across multiple platforms. You will design, implement, and maintain IAM patterns and ensure secure, scalable access control for developers and end users.

You will work with SpiceDB, Curity, Keycloak, and cloud‑native tech to deliver robust access control, token handling, and identity federation in a hybrid work model.

Qualifications

• Architecting and engineering fine‑grained authorisation systems at production scale in multi‑tenant environments.

Responsibilities

• Architect and engineer the unified, enterprise‑scale authorisation platform across Nexus, F1, and LEC built on SpiceDB.

Skills

IAM architecture

AuthZ design

AuthN design

Go

Kubernetes

Security by design

Tools

SpiceDB

PostgreSQL

Curity

Keycloak

OPA / Rego

Kafka

Job description

IFS is seeking a Principal Platform Engineer for Identity & Access Management to architect and operate enterprise‑scale authentication and authorization across multiple platforms. You will design, implement, and maintain IAM patterns and ensure secure, scalable access control for developers and end users.

You will work with SpiceDB, Curity, Keycloak, and cloud‑native tech to deliver robust access control, token handling, and identity federation in a hybrid work model.