Senior IT System Engineer
Location
london, england
Job Type
Full-time
Category
IT & Technology
Posted
June 11, 2026
A Senior IT Systems Engineer is a senior technical leader responsible for the architecture, reliability, and security of the company's core IT infrastructure and services. This role goes beyond complex operational support to drive strategic technical initiatives, define best practices, and mentor P5 and P6 engineers. The P7 Engineer owns the technical roadmap for key systems and is accountable for the successful execution of cross‑functional projects that enhance the global employee experience and corporate security posture.
Cloud Infrastructure & SaaS Governance
- Own and evolve our cloud infrastructure on GCP — from identity architecture and access controls to cost optimisation and scalability planning
- Lead SaaS lifecycle management across 300+ applications: discovery, governance, licence optimisation, and vendor accountability using tools like Torii
- Design and maintain our IAM ecosystem (Okta, Google Workspace, Jamf) including SSO/MFA ...