Director, Site Reliability Engineering

Barracuda Networks Inc.; United Kingdom; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading cybersecurity firm in the United Kingdom is looking for a Director of Site Reliability Engineering to lead global initiatives within their SaaS portfolio. The successful candidate will define SRE strategies, drive operational excellence, and manage cross-functional collaboration between multiple teams. With over 12 years of experience in cloud operations, the candidate should also possess deep expertise in AWS and Azure, alongside substantial leadership capabilities, to transform reliability operations.

Benefits

High-quality health benefits

Retirement plan with employer match

Flexible time off

Qualifications

• 12+ years in infrastructure, cloud operations, or SRE roles, with 5+ in leadership.
• Deep knowledge of AWS and Azure architectures, security, and operations.
• Experience with AI-driven observability and predictive analytics.

Responsibilities

• Define and execute global SRE strategy aligning reliability goals.
• Drive continuous improvement in availability, performance, and cost.
• Implement AI-driven observability and anomaly detection.

Skills

Leadership Skills

Cloud Expertise

AI & Automation

Programming

Container Orchestration

Observability & Resilience

Education

AWS Solutions Architect/DevOps Professional certification

Kubernetes certifications (CKA, CKAD)

Tools

Terraform

CloudFormation

GitHub Actions

Jenkins

Prometheus

Grafana

ELK

Job description

Overview

Req ID: 26-480

Barracuda is a leading cybersecurity company providing complete protection against complex threats. Our platform protects email, data, applications, and networks with innovative solutions, and a managed XDR service, to strengthen cyber resilience. Hundreds of thousands of IT professionals and managed service providers worldwide trust us to protect and support them with solutions that are easy to buy, deploy, and use.

Barracuda is an equal opportunity employer and complies with all applicable national, state and local laws pertaining to nondiscrimination and equal opportunity regardless of race, gender, religion, sex, sexual orientation, national origin, or disability.

Envision Yourself at Barracuda:

We are seeking a strategic and visionary Director of Site Reliability Engineering (SRE), in the Cloud Operations group, to lead global reliability initiatives across Barracuda’s SaaS portfolio. You will oversee a distributed team of Site Reliability Engineers and partner closely with Product Engineering, Security & Compliance, and other Cloud Operations teams to ensure our platforms are highly available, scalable, secure, and cost-efficient. This role will also drive AI-powered automation and agentic systems adoption to transform reliability operations.

What will you be working on:

• Strategic Leadership: Define and execute Barracuda’s global SRE strategy, aligning reliability goals with business objectives and customer SLAs.
• Operational Excellence: Drive continuous improvement in availability, latency, performance, and cost optimization across all cloud services.
• AI & Agentic Systems Integration: Implement AI-driven observability and anomaly detection for proactive incident prevention; deploy agentic automation systems to manage routine operational tasks, optimize cloud resources, and accelerate remediation workflows; explore LLM-based runbooks and autonomous agents for incident triage and root cause analysis.
• Cross-Functional Collaboration: Partner with Engineering, Security, and FinOps teams to embed reliability into product design and delivery pipelines.
• Architecture & Governance: Influence architectural decisions for reliability, disaster recovery, and observability systems; ensure compliance with security and regulatory standards.
• Automation & Tooling: Champion Infrastructure-as-Code and CI/CD automation at scale using Terraform, Cloud Formation, GitHub Actions, and Jenkins.
• Incident & Risk Management: Facilitate incident response protocols, conduct executive-level postmortems, and implement proactive risk mitigation strategies.
• Service Level Management: Define and enforce SLIs and SLOs across global services; report reliability metrics to executive leadership.
• Team Development: Build and mentor a high-performing SRE organization; foster a culture of ownership, innovation, and collaboration across regions.
• Cloud Optimization: Lead initiatives for cost governance and performance tuning in AWS and Azure environments.
• Executive Communication: Present reliability roadmaps, KPIs, and risk assessments to senior leadership and stakeholders.

What you bring to the role:

• Experience: 12+ years in infrastructure, cloud operations, or SRE roles, including 5+ years in leadership positions managing distributed teams.
• Cloud Expertise: Deep knowledge of AWS and Azure architectures, security, and operations in large-scale SaaS environments.
• AI & Automation: Experience implementing AI-driven observability, predictive analytics, and autonomous remediation systems.
• Infrastructure as Code: Proven success implementing such as Terraform or CloudFormation at enterprise scale.
• CI/CD & Automation: Advanced experience with GitHub Actions, Jenkins, and deployment strategies (blue/green, canary, rolling).
• Container Orchestration: Expertise in Kubernetes (EKS, AKS) and containerized workloads.
• Observability & Resilience: Strong background in Prometheus, Grafana, ELK, and APM tools; experience designing self-healing systems.
• Programming: Proficiency in Python, Go, or similar languages for automation and tooling.
• Leadership Skills: Exceptional ability to lead globally distributed teams, influence cross-functional stakeholders, and drive cultural change.
• Certifications: AWS Solutions Architect/DevOps Professional and Kubernetes certifications (CKA, CKAD) preferred.

What You Will Get from Us:

• A leadership role where your vision shapes the reliability of mission-critical systems.
• Opportunities for career growth and executive visibility.
• High-quality health benefits, retirement plan with employer match, and flexible time off.
• The chance to work on cutting-edge cloud reliability challenges at scale.

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