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Semperis

Senior DevOps Engineer

Dublin, Ireland Posted 2026-04-16
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About this role
At Semperis, our mission is to be a Force for Good. Starting with being a great place to work. We believe that when people feel valued, supported, and empowered, they do their best work. That’s why we focus on creating an employee experience rooted in purpose, growth, and balance. Semperis has been recognized as one of America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, a DUNS 100 Top Startup to Work For, and a multi-year Inc. Best Workplace awardee. What We Are Looking For We are looking for a Senior DevOps Engineer to join our Engineering team and work directly on our product critical path: deployment, orchestration, observability, and secure communication — using the latest technologies in the industry. You will focus on both platform-level DevOps requirements and embedding DevOps best practices into our products. What You Will Be Doing - Design, implement, and continuously improve CI/CD pipelines and release processes across product teams - Build and maintain cloud infrastructure using Infrastructure-as-Code (Terraform/Terragrunt, Helm charts, Kustomize, Bicep/ARM) - Operate and scale Kubernetes clusters (AKS) and supporting services (networking, storage, service mesh) - Implement and maintain GitOps workflows using Argo CD for declarative, auditable deployments - Deploy and manage observability stacks - metrics, logging, alerting, tracing (Prometheus, Grafana, Azure Monitor, OpenTelemetry) with well-defined SLOs/SLAs - Manage onprem and cloud resources, optimize costs, and ensure infrastructure health and security across environments - Participate in incident management whenever required - on-call rotation, triage, resolution, and blameless post-incident reviews - Automate routine operational tasks, debug complex infrastructure issues, and optimize system performance - Collaborate cross-functionally with product engineering, QA, security, and support teams to drive reliable delivery - Document procedures, runbooks, and architectural decisions with clarity and consistency What You Will Bring Required - 6+ years of hands-on DevOps / SRE experience operating large-scale SaaS or regulated environments - Strong proficiency in one or more programming/scripting languages (e.g., Python, Go, Bash, PowerShell, C/C++, Java, JavaScript) - Solid experience with cloud infrastructure (Microsoft Azure preferred) - Hands-on experience with Kubernetes in production (AKS preferred) - Proven experience building and maintaining CI/CD pipelines (Azure DevOps, GitHub Actions) - Experience with Infrastructure-as-Code tools to manage cloud resources and deployments (e.g., Terraform/Terragrunt, Helm charts, Kustomize) - Experience with GitOps practices and tools (Argo CD preferred) - Familiarity with monitoring, logging, and alerting stacks — Prometheus, Grafana, Azure Monitor, OpenTelemetry — including SLO/SLA definition and audit/security logging - Experience with cloud and container security best practices - Demonstrated ability to lead technical projects — building, managing, and troubleshooting large-scale distributed systems or cloud infrastructure with a Kubernetes focus - Ability to debug and optimize across code, networking, storage, and systems layers while communicating clearly with technical and non-technical stakeholders - Experience with incident management processes and participating in an on-call rotation - Strong cross-functional collaboration and stakeholder management skills - Excellent problem-solving and communication skills - First-principles thinking — you break problems down to root causes before jumping to solutions - Continuous learning mindset — you stay current, experiment with new tools, and share knowledge with the team - Security-first and developer experience mindset — you balance robust security with friction-free developer workflows, while keeping cost efficiency in view - You dare to ask questions and challenge decisions with solid data — respectfully and constructively - Collaborative, flexible, and friendly — you thrive in a diverse, globally distributed team and bring positive energy to every interaction Bonus Points - Relevant certifications in Azure, Kubernetes (CKA/CKAD), Security, or Linux - Good knowledge of Linux internals (filesystems, inodes, system calls) and networking (TCP/IP, routing, network topologies, SDN) - Experience with Microsoft Windows & Microsoft environments, MS Build, and Windows-based troubleshooting - Knowledge of building AI agents or using LLMs to automate routine DevOps tasks - Exposure to MLOps workflows and tooling - Experience with service mesh technologies (e.g., Istio) - Experience with event-driven architectures (e.g., Kafka) and microservices patterns - Exposure with SBOM generation, software supply chain security, or compliance frameworks (ISO 27001, SOC 2, FedRAMP/NIST) - Master's degree or PhD in Computer Science, Engineering, or a related field (or equivalent practical experience) Why Join Semperis? You’ll be part of a global team on…
Tech stack
TerraformKubernetesAzurePythonJavaJavaScript
About Semperis

Semperis is hiring for the senior devops engineer role. Signal aggregates active openings directly from Semperis's applicant tracking system, so this listing is current.