DevOps Team Lead

We protect some of the world's largest, most complex hybrid Active Directory (AD) environments. And we have fun doing it. Ready to join us? Explore Semperis cybersecurity careers and other open positions.

Location

Dublin

Employment Type

Full time

Location Type

Hybrid

Department

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.

Position: DevOps Team Leader Engineer

We're 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

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

Zero Trust architecture, including PIM and 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. At Semperis, we celebrate curiosity, integrity, and people who take initiative. If you're someone who sees the glass as half full, embraces challenges as growth opportunities, and values a healthy balance between work and life—we'd love to meet you.

**Semperis maintains office locations in several cities across the globe. Candidates who reside within 45 miles of one of our offices—or where the job description specifies a required location—will follow our hybrid work model. This includes working onsite three days per week and remotely the remaining days.

Semperis is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, creed, national origin or ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, marital status, or any other legally recognized protected basis under federal, state, or local law. The information collected by the Semperis application is solely to determine suitability for employment, verify identity, and maintain employment statistics.

Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and/or other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on Semperis. Please inform Semperis representative Anna Taylor, Director of Global Recruiting, if you need assistance completing this application or to otherwise participate in the application process.

Excellent salary and benefits alone aren't enough to attract and keep great people. Every member of our team participates in a meaningful mission: to help organizations—and society at large—fight back against cyber threats by strengthening AD security. We're committed to being a force for good: for the organizations we serve, for our employees, and for the people and communities in which we live and work.

Semperis named an Inc. Magazine "Best Workplace"

We're proud to be recognized for creating exceptional workplaces and company culture, two years in a row.

Not to brag, but we're proud of our award-winning workplace—and the team that builds our award-winning AD security solutions.

We have recently become aware of an increase in recruitment fraud and want to alert potential candidates to the issues and concerns. This type of scam often involves soliciting potential victims, requesting sensitive personal and financial information, and making false offers of employment with Semperis.

Please be aware: Semperis will not make job offers without a formal interview process and Semperis will never ask you to make purchases or send money as part of your onboarding process.

We hope that by making you aware of this, we can help prevent people from falling for these types of scams. For more information about recruitment fraud, please see important guidance from the FTC here . If you believe you have been a victim of this type of fraud, you can contact the FBI at http://www.ic3.gov (for US-based victims) or your local authorities to report the fraud.

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