> Markdown version of [/jobs/ext/3210985-principal-it-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3210985-principal-it-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal IT Systems Engineer - **Company:** PIC - **Location:** London, UK - **Experience:** Expert - **Salary:** £77,788.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Cloud Computing, Cloud Engineering, Continuous Integration, Linux, Hypervisor, System Center Configuration Manager, Windows PowerShell, Azure Active Directory, Ansible, Cloud Platform System, Microsoft InTune, Information Technology, Terraform, Docker - **Published:** September 8, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5875592189 ## About the Role * Extensive experience in Infrastructure, Systems or Platform Engineering within a complex enterprise environment. * Strong expertise in Azure and modern cloud technologies. * Advanced automation and Infrastructure as Code skills, including Terraform, PowerShell and Ansible. * Deep knowledge of Active Directory and Microsoft Entra ID. * Strong understanding of platform engineering, CI/CD and observability. * Experience influencing technical direction and engineering standards. * Broad infrastructure knowledge across Windows, Linux, networking and enterprise platforms. * Excellent communication and stakeholder management skills. Desirable * Financial Services or regulated environment experience. * Docker and Kubernetes. * Intune and SCCM. * Hypervisor or hyperconverged infrastructure technologies. ## Description This is a senior, hands-on technical leadership role for an experienced engineer who combines deep infrastructure expertise with modern cloud and platform engineering capabilities. You'll play a key role in shaping and supporting our enterprise technology platforms across on-premises and cloud environments, acting as a trusted technical authority and escalation point across the business., * Act as the senior technical authority and escalation point across infrastructure, cloud, identity and platform services. * Provide technical leadership and deputise for the IT Systems Team Manager when required. * Drive the design, resilience and continuous improvement of on-premises and cloud platforms. * Lead root cause analysis and resolution of complex technical issues and major incidents. * Influence engineering standards, architecture decisions and platform best practices. * Develop automation, Infrastructure as Code and reusable platform capabilities. * Provide technical oversight of third-party suppliers and solutions. * Mentor engineers and champion secure, resilient and automation-first ways of working.