Senior Manager – DevOps & Site Reliability Engineering (SRE)

The Opportunity

We are seeking an experienced and strategic Senior Manager – DevOps & SRE to lead and evolve our reliability and platform engineering capabilities across our global eCommerce ecosystem.

This role goes beyond traditional DevOps management. You will be responsible for defining and driving our reliability strategy, embedding SRE principles (SLIs, SLOs, error budgets), and ensuring our platforms operate at scale with high availability, performance, and resilience.

You will lead a distributed team of DevOps and SRE engineers, working closely with Engineering, Product, Security, and Architecture to enable reliable, scalable, and automated cloud-native systems across Azure, AWS, and GCP.

Key Responsibilities

Leadership & Organizational Impact

• Lead, mentor, and grow a high-performing DevOps & SRE function.

• Define clear ownership models, reliability standards, and ways of working.

• Elevate engineering maturity through automation, observability, and operational excellence.

• Drive accountability and promote a culture of reliability, learning, and continuous improvement.

• Partner with senior stakeholders to align platform reliability with business objectives.

Reliability Strategy & SRE Practices

• Define and implement SRE best practices (SLIs, SLOs, error budgets).

• Own incident management strategy, postmortems, and systemic improvements.

• Improve resilience through proactive risk identification and mitigation.

• Establish measurable reliability KPIs aligned with customer experience.

Cloud Infrastructure & Platform Engineering

• Oversee cloud operations primarily in Microsoft Azure, with exposure to AWS and GCP.

• Ensure infrastructure is scalable, secure, and cost-efficient.

• Drive Infrastructure as Code adoption (Terraform, Bicep/ARM).

• Define platform standards for Kubernetes and containerized environments.

Automation, CI/CD & Developer Enablement

• Champion CI/CD best practices and release reliability.

• Improve deployment strategies (blue/green, canary releases).

• Reduce operational toil through automation and self-healing systems.

• Support high-traffic eCommerce events and critical production workloads.

Observability & Operational Excellence

• Define and evolve our observability strategy (Azure Monitor, Grafana, Datadog, Prometheus, etc.).

• Improve signal-to-noise ratio in monitoring and alerting.

• Drive root cause analysis discipline and continuous improvement loops.

• Explore AI-assisted operations for incident detection, alert optimization, and operational efficiency.

Security & Compliance

• Ensure secure cloud practices (IAM, least privilege, data protection).

• Partner with Security to enforce compliance and governance standards.

• Embed security and reliability into the full SDLC lifecycle.

Key Experience & Skills

• 10+ years of experience in DevOps, SRE, or Platform Engineering roles.

• 3+ years leading and scaling technical teams.

• Strong hands-on background in Microsoft Azure (required) AWS (required) and GCP (nice to have).

• Deep understanding of cloud-native architectures and Kubernetes.

• Proven experience implementing SRE frameworks (SLAs, SLOs, incident management).

• Strong experience with Infrastructure as Code (Terraform, ARM/Bicep).

• Observability expertise (Grafana, Datadog, Prometheus, Azure Monitor).

• Experience managing production systems at scale (high-traffic environments preferred).

• Strong stakeholder management and communication skills.

• Strategic mindset with the ability to balance technical depth and business impact.

Nice to Have

• Experience in global eCommerce platforms.

• Experience leading cloud transformation initiatives.

• Exposure to AI-driven operational tooling.

• Relevant certifications (Azure, Kubernetes, Cloud Architecture).

Why join us?  

• Competitive salary and benefits: Your financial well being is important to us. Join ESW and experience the satisfaction of being rewarded for your hard work, dedication and commitment. 

• Healthcare: Enjoy an annual healthcare allowance of €1,500 and access to our trusted partners, Laya Healthcare and Irish Life Health, giving you the freedom to use your benefits in the way that suits you best. 

• Future-ready Financial Security: Plan confidently for tomorrow with our pension scheme, offering contribution options of 3.5% or 6.5%. Once you complete probation, ESW will proudly match your contributions up to 6.5%. 

• Protection & Peace of Mind: From your very first day, you’re covered with life assurance and income protection, ensuring you feel supported no matter what life brings. 

• Emotional & Mental Support: Your personal wellbeing is a priority. Our Employee Assistance Programme provides access to counselling and therapy services whenever you need them. 

• Fitness & Lifestyle Perks: Stay active your way with a reduced-rate Flyefit membership and no joining fee, or take advantage of our Cycle to Work Scheme to purchase a tax-free bike. 

• Smart Commuting: Save on your daily journey with the Tax Saver Scheme, offering discounted public transport tickets to make commuting easier and more cost-effective. 

• Professional and personal development: Find your spark and leave your mark. We will ensure your talent is nurtured and cultivated for growth and success throughout your career with ESW. 

• Hybrid working: Enjoy the best of both worlds with 2–3 days in our office, and 2–3 days working from the comfort of your home. Right now we're in Swords, but we will be moving to the center of Dublin in April. 

• Diversity, Belonging & Inclusion: When we win, we win together. You'll be part of a culture that values every individual for who they are, fostering an environment where uniqueness is encouraged. 

ESW is an equal opportunity employer, and we’re proud of our ongoing efforts to foster diversity, equity, & inclusion in the workplace. Individuals seeking employment and employees at ESW are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law.  

If you require any reasonable accommodations or adjustments throughout the hiring process, please let us know. We are dedicated to ensuring equal access and opportunity for all candidates.