Senior Infra Engineer — Shaping the Next Era of Computing

Plessey Semiconductors Ltd; Plymouth; On-site; GBP 65,000 - 90,000; Full time

Job summary

Plessey Semiconductors Ltd in Plymouth is seeking a Senior Infrastructure Engineer to strengthen our on-premise estate supporting Windows Server, Active Directory, VMware, Linux, storage and Kubernetes while expanding cloud workloads in AWS and Azure. You will patch, harden security, manage networks, and contribute to IaC with Terraform or similar, with on-call duties as required.

The role involves developing Kubernetes across environments, documenting architectures, and collaborating with teams

Qualifications

• Proven experience in a senior infrastructure engineering role, ideally in an on-premise environment.

Responsibilities

• Administer and support Plessey’s on-premise infrastructure, including Windows Server, Active Directory, VMware, Linux, storage and Kubernetes.
• Support and maintain networking, firewall, Intune and M365 platforms across the estate.
• Manage patching, vulnerability remediation and security hardening across infrastructure and endpoints.
• Support and maintain existing AWS and Azure workloads, with a focus on secure, efficient and cost-effective infrastructure.
• Develop and extend Kubernetes across on-premise and cloud environments, using Infrastructure as Code and CI/CD tooling.
• Contribute to infrastructure and IT projects, delivering solutions that meet business requirements.
• Produce clear technical documentation and share knowledge across the IT team to build resilience and reduce single points of failure.
• Provide senior technical guidance and support with incident response and on-call activities as required.

Skills

Windows Server

Active Directory

VMware vSphere

Linux

Kubernetes

Networking

AWS/Azure

PowerShell / Bash

Tools

Terraform

GitHub Actions

Nutanix

Prometheus/Grafana

Job description

Plessey Semiconductors Ltd in Plymouth is seeking a Senior Infrastructure Engineer to strengthen our on-premise estate supporting Windows Server, Active Directory, VMware, Linux, storage and Kubernetes while expanding cloud workloads in AWS and Azure. You will patch, harden security, manage networks, and contribute to IaC with Terraform or similar, with on-call duties as required.

The role involves developing Kubernetes across environments, documenting architectures, and collaborating with teams