Principal Platform & Identity Engineer

Identity | Engineer | Admin | Architecture | Entra ID | Terraform | Azure | Cloud | On Prem Principal Platform & Identity Engineer (Hands‐On, Hybrid Architect Role)Location: London / HybridSalary: 90,000 + bonus + benefitsIndustry: Enterprise / Retail / Large-Scale EnvironmentType: Permanent The OpportunityAre you tired of roles that force you to choose between pure support and pure architecture This opportunity sits right in the middle. You'll design, build, operate, and evolve a modern enterprise platform, taking full ownership of identity, automation, and infrastructure services across both on‐prem and cloud environments.This is a hands-on technical leadership position within a large, high‐profile organisation undergoing significant infrastructure transformation over the next 3-5 years.If you want a role where you won't get boxed in, where you can use your breadth across identity, cloud, automation, and infrastructure, this is the one. What You'll DoIn this hybrid engineering + architectural role, you will:Own and evolve the enterprise identity & infrastructure strategyBuild and deliver roadmaps, principles, guardrails, and operational patternsLead the design, build and operation of the organisation's next-gen platformDrive adoption of Infrastructure‐as‐Code and automation (Terraform, Ansible, GitLab)Partner closely with Security and Architecture to ensure a secure, evergreen, resilient platformAct as a senior technical authority during incidents, outages, and complex engineering challengesSupport the shift to a modern "as‐a‐service" infrastructure modelContribute directly to a multi‐year transformation across cloud, data centre, identity, and automationThis is not a detached architect role, you will stay close to the technology, get hands-on when needed, and influence key strategic decisions. What You BringYou're the ideal fit if you sit between a Senior Engineer and a Technical Architect - someone who can both design and deliver.Essential Skills & ExperienceIdentity (priority area):Strong experience across Entra ID, Active Directory, Azure SSOConditional Access (must have)App Registrations / Enterprise ApplicationsOne Identity Active RolesJIT access, ZTNA concepts, and ideally zScalerInfrastructure & Platform:VMware (VCF ideally)Linux (Ubuntu, RedHat)Microsoft stackStorage, OS, data centre fundamentalsNetworking (WAN/LAN, routing, firewalls, IDS/IPS, WLAN, load balancing)Automation (non‐negotiable):TerraformAnsibleGitLab (pipelines, automation, patterns)You're also someone who:Has evolved with the industry - not stuck in on‐prem only or cloud-only silosThinks in terms of platforms, not just ticket queues or pipeline buildingCan influence and negotiate with senior stakeholdersCommunicates clearly at both technical and non-technical levels Why This Role Is DifferentThis isn't a siloed identity role.This isn't a PowerPoint architect role.This isn't a narrow engineer role.This is a broad, modern, engineering-led role covering identity, infra, cloud, automation, and platform operations.You'll gain exposure across multiple domains and work in a genuinely collaborative environment where your expertise shapes the future platform.You won't get boxed in here. Want to know more If you're a Senior Engineer with architectural capability, or a hands-on architect who still enjoys real engineering, apply directly for immediate considerationIdentity | Engineer | Admin | Architecture | Entra ID | Terraform | Azure | Cloud | On PremRSG Plc is acting as an Employment Agency in relation to this vacancy.

Job Details

Company
Appcast
Location
London, UK
Hybrid / Remote Options
Posted