Overview
DevOps Team Lead role at Semperis. We are seeking a hands-on DevOps Engineer Team Leader to join our Engineering organization and take ownership of the deployment, orchestration, and secure operations of our cutting-edge identity and security products. You'll lead a global team while staying intimately involved in the technical delivery and evolution of our DevOps strategy. This is a player-coach role: you'll architect and implement solutions directly, while also guiding, mentoring, and enabling a team of engineers to operate at the highest standards of DevOps excellence.
What you will be doing
Responsibilities
* Lead the design, implementation, and continuous improvement of build and release pipelines
* Provide day-to-day guidance and direct support to a team of three global DevOps engineers
* Conduct 1:1s, deliver performance reviews, and promote professional development across the team
* Architect and execute cloud deployment strategies for optimized performance and cost efficiency
* Review code, infrastructure configurations, and documentation to uphold best practices
* Train and mentor developers and stakeholders in Azure DevOps and Git workflows
* Advocate for DevOps culture and best practices across engineering and IT teams
* Collaborate with Infrastructure engineers to diagnose and resolve deployment challenges
* Document and communicate procedures with clarity and consistency
* Troubleshoot issues during deployment and provide production support in staging and live environments
* Represent the team in cross-functional meetings with insightful recommendations
* Research and evaluate emerging technologies for possible adoption
Key Responsibilities
Infrastructure & Cloud Operations
* Design and manage Azure infrastructure using IaC principles with Terraform and Terragrunt
* Maintain AKS clusters with Istio for secure, scalable service-to-service communication
* Manage Azure resources such as networking, Key Vault, Blob Storage, and CosmosDB
* Configure OpenSearch clusters for efficient logging and data indexing
* Optimize CosmosDB performance with scaling strategies and cost oversight
DevOps Practices & Automation
* Lead the development of robust CI/CD pipelines
* Establish and maintain GitOps workflows via ArgoCD
* Author and maintain automation scripts (primarily Bash) to streamline operations
* Continuously evaluate and enhance deployment and developer processes
Security & Compliance
* Implement Zero Trust security architecture using Azure PIM and RBAC
* Define and enforce least privilege access models and security best practices
* Configure Web Application Firewalls (WAFs) and manage network security in Azure
* Ensure alignment with compliance frameworks and standards
Monitoring & Reliability
* Deploy observability tooling using OpenTelemetry, Azure Monitor, and Application Insights
* Participate in on-call rotation and incident response protocols
* Lead post-incident analysis and drive implementation of long-term fixes
* Define and maintain reliability objectives, SLAs, and error budgets
Required Qualifications
* 5+ years of DevOps/SRE experience in SaaS or cloud-native environments
* 2+ years in a formal engineering leadership role, including people management and performance reviews
* Proven expertise with Microsoft Azure infrastructure and services
* Strong hands-on experience with: Terraform and Terragrunt; Kubernetes (AKS) and Helm; Istio Service Mesh and Istio Ingress Gateways; ArgoCD and GitOps workflows; CI/CD pipelines via Azure DevOps; Zero Trust architecture (PIM, RBAC); Observability tools (OpenTelemetry, Prometheus, Grafana, Azure Monitor); Bash scripting; Python or Go for automation/tooling
* Comfortable supporting production systems in on-call rotation
* Strong communication, leadership, and troubleshooting abilities
* Experience with WAFs and secure network configurations in Azure
Preferred Qualifications
* Hands-on experience with Kafka and event-driven systems
* Familiarity with microservices and distributed systems architecture
* Advanced knowledge of OpenSearch or Elasticsearch
* Deep understanding of CosmosDB performance tuning and data modeling
* Exposure to Azure API Management, Logic Apps, and other Azure native services
* Experience building and operating large-scale SaaS platforms
Why Join Semperis?
You’ll be part of a global team on the front lines of cybersecurity innovation. We celebrate curiosity, integrity, and people who take initiative. If you see challenges as growth opportunities and value a healthy work-life balance, we’d love to meet you.
Semperis is an equal opportunity employer. We prohibit discrimination based on race, color, religion, national origin, sex, age, disability, veteran status, or any other legally protected characteristic. Applicants with disabilities may be entitled to reasonable accommodation under applicable laws. Please contact the recruiting team for assistance.
Additional
* Location: Dublin, Ireland; Hybrid work model debated per office location
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