Overview
Senior DevOps Engineer at Semperis responsible for infrastructure automation, security, and reliability initiatives. You will manage and optimize cloud-native infrastructure with a strong emphasis on Azure, ensuring security, scalability, and operational excellence for our SaaS platform.
Key Responsibilities
* Design, maintain, and improve Azure infrastructure using Infrastructure as Code (Terraform and Terragrunt)
* Manage and optimize AKS clusters, including Istio service mesh for enhanced service-to-service communication and security
* Implement and maintain scalable cloud infrastructure solutions that support the SaaS platform
* Oversee Azure resources, including networking, Key Vault, Blob Storage, and Azure Cosmos DB
* Configure and maintain OpenSearch clusters for logging and search capabilities
* Optimize CosmosDB performance, scaling, and cost management
* Lead and enhance CI/CD pipelines in Azure DevOps
* Implement and maintain GitOps workflows using ArgoCD for automated deployments
* Develop and maintain automation scripts (primarily in Bash)
* Drive continuous improvement in deployment processes and developer workflows
* Implement Zero Trust security architecture using Azure PIM and RBAC
* Enforce security best practices and least privilege principles across the infrastructure
* Manage Web Application Firewalls (WAFs) and network security configurations in Azure
* Ensure compliance with security standards and best practices
* Design and implement observability solutions using OpenTelemetry, Azure Monitor, and Application Insights
* Participate in on-call rotation to provide production support and incident response
* Lead incident investigations, root cause analysis, and preventive measures
* Maintain and improve system reliability metrics and SLAs
Required Qualifications
* 5+ years of DevOps/SRE experience in SaaS or cloud-native environments
* Strong programming skills in Python or Go for automation and tooling development
* Proven expertise in Azure cloud infrastructure and services
* Terraform and Terragrunt for infrastructure management
* Kubernetes (AKS) and Helm in production environments
* Istio Service Mesh and Istio Ingress Gateways
* ArgoCD and GitOps methodologies
* CI/CD pipeline development in Azure DevOps
* Demonstrated experience implementing Zero Trust security, PIM, and RBAC
* Observability tools including OpenTelemetry, Prometheus, Grafana, or Azure Monitor
* Proficiency in scripting and automation, particularly Bash
* Production support and on-call rotation experience
* Strong problem-solving skills and ability to work in fast-paced environments
* Experience with WAFs and network security in Azure
Preferred Qualifications
* Kafka and event-driven architectures
* Knowledge of distributed systems and microservice architecture
* OpenSearch and Elasticsearch
* CosmosDB performance tuning and data modeling
* Familiarity with Azure API Management and Logic Apps
* Experience with large-scale SaaS platforms
Location
Dublin, Ireland (Dublin, County Dublin) — Hybrid work model. Office locations and hybrid expectations may apply.
Why Join Semperis?
You’ll be part of a global team at the forefront of cybersecurity innovation. Semperis values curiosity, integrity, initiative, and a healthy work-life balance.
EEO and Accommodations
Semperis is an equal opportunity employer. Reasonable accommodations are available for applicants with disabilities. For assistance with the application process, contact the designated Semperis representative.
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