About this role
Salary: £70,000 - 70,000 per year
Requirements
- Were looking for an experienced Infrastructure Engineer, Systems Administrator, or Site Reliability Engineer with significant commercial experience managing production infrastructure.
- Strong Linux administration, configuration, and troubleshooting skills.
- Experience with cloud platforms such as GCP, AWS, or Azure, and hands-on experience with Kubernetes in production.
- Experience with Terraform or similar Infrastructure as Code technologies.
- Strong networking knowledge, including TCP/IP, DNS, TLS, VPNs, firewalls, and routing.
- Experience managing relational databases and distributed systems, including backup and recovery.
- Scripting and automation experience using Bash and Python or Go.
- Strong understanding of infrastructure security, monitoring, and operational best practices.
- Excellent troubleshooting skills and the ability to take ownership of complex technical issues.
- Experience with GKE and wider GCP services; Cassandra, ScyllaDB, or other distributed database technologies; PCI-DSS, ISO 27001, or SOC 2 environments; GitOps, ArgoCD, or Kustomize; Istio or other service mesh technologies; Cloudflare; Google Workspace administration and Apple device management; disaster recovery; or Prometheus, OpenTelemetry, or cloud monitoring solutions would be advantageous.
Responsibilities
- Manage, maintain, and optimise cloud infrastructure hosted on Google Cloud Platform (GCP).
- Administer Linux servers, virtual machines, and containerised environments.
- Manage Kubernetes clusters, including Google Kubernetes Engine (GKE).
- Build and maintain infrastructure using Terraform and Infrastructure as Code practices.
- Support production databases and distributed systems, including MySQL, Cassandra, Elasticsearch, Redis, and RabbitMQ.
- Maintain and improve backup, disaster recovery, and business continuity processes.
- Configure and troubleshoot networking infrastructure, including VPNs, DNS, firewalls, load balancers, and cloud networking.
- Implement monitoring, alerting, and incident management processes.
- Manage operating system patching, security hardening, and infrastructure upgrades.
- Support corporate IT infrastructure, including Google Workspace, device management, and endpoint security.
- Contribute to infrastructure security and compliance, including PCI-DSS requirements.
- Identify opportunities to automate processes and modernise legacy infrastructure.
Technologies
- AWS
- ArgoCD
- Azure
- Bash
- Cloud
- Cassandra
- ElasticSearch
- GCP
- GitOps
- Incident Management
- Istio
- Support
- Kubernetes
- Kustomize
- Linux
- MySQL
- OpenTelemetry
- Prometheus
- Python
- RabbitMQ
- Redis
- Security
- TCP/IP
- Terraform
- WAF
More
Were recruiting a Senior Systems Administrator for an established technology business specialising in payment infrastructure and transaction processing. The role is based in Fareham, Hampshire, with office-based working during probation and a minimum of three onsite days per week thereafter. Salary is £60,000–£70,000 plus benefits. This is an opportunity to take ownership of complex production environments and work with modern cloud technologies supporting business-critical payment platforms. The recruitment agency is acting as an Employment Agency in relation to this vacancy.
last updated 46 week of 2026