Senior Infrastructure / Platform Engineering Manager leading design and delivery of hybrid infrastructure. Overseeing global production services with a focus on scalability and automation.
About the role
- Infrastructure Engineer responsible for managing secrets and automated infrastructure for remote projects. Engaging in cluster operations and ensuring security and compliance while working with global teams.
Responsibilities
- Manage the full lifecycle of clusters, including initialisation, unseal operations, upgrades, and migrations
- Oversee Raft consensus functions, maintain quorum, and handle network partition scenarios
- Coordinate the creation of namespaces, attach security policies, and configure authentication mounts
- Manage audit devices and integrate log pipelines for rigorous compliance and monitoring
- Utilise Terraform or OpenTofu to manage environment resources
- Deploy applications to Kubernetes using Helm and leverage GitOps practices via ArgoCD or Flux
- Fine-tune connection limits and storage I/O to optimise performance while minimising audit logging overhead
- Implement procedures for encrypted offsite backups and disaster recovery snapshots
- Design and execute secret injection solutions using Vault Agent, CSI driver, or External Secrets Operator, ensuring alignment with service mesh technologies and mTLS
- Design and maintain Grafana dashboards and Prometheus metrics to track operational SLOs
- Develop alerting rules for leader health, lease counts, and policy violations
- Support certificate lifecycle management and maintain the essential separation between PKI and Secrets clusters
- Produce clean, professional runbooks that allow other engineers to work independently
- Resolve complex operational issues such as lease storms or instability.
Requirements
- Proven experience with OpenBao or HashiCorp Vault, specifically regarding Raft consensus and cluster lifecycle management
- High proficiency in Infrastructure as Code tools, including Terraform/OpenTofu, Helm, and ArgoCD or Flux
- Technical expertise in Kubernetes authentication methods and various secret injection patterns (Agent, CSI, ESO)
- Strong background in Observability tools, specifically Prometheus and Grafana, and the management of audit log pipelines
- Experience authoring and validating Policy-as-Code using HCL within CI pipelines
- Solid understanding of PKI fundamentals and certificate lifecycle management
- Ability to interpret high-level architectural narratives and implement technical solutions without line-by-line instruction
- Experience working within governance-constrained environments where security standards and procedural rigour are paramount
- Familiarity with Agile frameworks and Scrum methodologies.
Benefits
- Flexible working hours
- Freedom to choose your own projects
- Access to exciting projects in various industries
- Competitive pay
- Dedicated team support
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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